/* roulang page: index */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--color-text-light);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }
        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            background: rgba(232, 120, 42, 0.06);
            color: var(--color-accent);
        }
        .nav-links li a.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #fff !important;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 6px;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: 12px 20px;
                z-index: 999;
            }
            .nav-links-wrapper.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: center;
            }
            .nav-cta-btn {
                display: block;
                text-align: center;
                margin-top: 8px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 28, 48, 0.88) 0%, rgba(11, 28, 48, 0.7) 50%, rgba(11, 28, 48, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }
        .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.05em;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 120, 42, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 120, 42, 0);
            }
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            line-height: 1.2;
        }
        .hero-title .highlight {
            color: var(--color-gold-light);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-hero-primary {
            display: inline-block;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 120, 42, 0.4);
            color: #fff;
        }
        .btn-hero-secondary {
            display: inline-block;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
            cursor: pointer;
            text-align: center;
        }
        .btn-hero-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border-radius: 30px;
            padding: 10px 20px;
            margin-bottom: 20px;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .countdown-bar .count-digit {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-gold-light);
            min-width: 28px;
            text-align: center;
        }
        .countdown-bar .count-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 480px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                text-align: center;
                width: 100%;
            }
            .countdown-bar {
                flex-wrap: wrap;
                justify-content: center;
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .countdown-bar .count-digit {
                font-size: 1.1rem;
            }
        }

        /* ========== CARDS ========== */
        .card-modern {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-modern:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.orange {
            background: rgba(232, 120, 42, 0.1);
            color: var(--color-accent);
        }
        .card-icon.blue {
            background: rgba(11, 28, 48, 0.08);
            color: var(--color-primary);
        }
        .card-icon.gold {
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-gold);
        }
        .card-icon.green {
            background: rgba(45, 138, 86, 0.1);
            color: var(--color-success);
        }
        .card-modern h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .card-modern p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            flex-grow: 1;
        }

        /* ========== SELLING POINTS ========== */
        .selling-point-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            height: 100%;
            transition: all var(--transition-normal);
            border-top: 4px solid transparent;
            position: relative;
        }
        .selling-point-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .selling-point-card.card-accent-orange {
            border-top-color: var(--color-accent);
        }
        .selling-point-card.card-accent-blue {
            border-top-color: var(--color-primary);
        }
        .selling-point-card.card-accent-gold {
            border-top-color: var(--color-gold);
        }
        .selling-point-card .sp-icon {
            font-size: 2.2rem;
            margin-bottom: 14px;
            display: block;
        }
        .selling-point-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .selling-point-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }

        /* ========== GUARANTEE ICONS ========== */
        .guarantee-strip {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            align-items: center;
            border: 1px solid var(--color-border-light);
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .guarantee-item i {
            font-size: 1.4rem;
            color: var(--color-success);
        }

        /* ========== PROCESS STEPS ========== */
        .process-step {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px 0;
            position: relative;
        }
        .process-step .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .process-step .step-content h4 {
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .process-step .step-content p {
            font-size: 0.88rem;
            margin: 0;
            color: var(--color-text-muted);
        }

        /* ========== NEWS ========== */
        .news-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 0;
            transition: all var(--transition-fast);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(232, 120, 42, 0.02);
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .news-item h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .news-item h4 a {
            color: var(--color-primary);
        }
        .news-item h4 a:hover {
            color: var(--color-accent);
        }
        .news-summary {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-readmore {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-readmore:hover {
            color: var(--color-accent-hover);
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-title {
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-primary);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-title:hover {
            background: rgba(232, 120, 42, 0.03);
            color: var(--color-accent);
        }
        .faq-accordion .accordion-title i {
            transition: transform var(--transition-normal);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .faq-accordion .accordion-title.active i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-accordion .accordion-content {
            display: none;
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-accordion .accordion-content.open {
            display: block;
        }

        /* ========== PRICE COMPARISON TABLE ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 0.9rem;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-table th {
            background: var(--color-bg-dark);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .compare-table th.highlight-col {
            background: var(--color-accent);
        }
        .compare-table tr:nth-child(even) td {
            background: rgba(248, 247, 244, 0.5);
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
        }
        .compare-table .cross-icon {
            color: #c0392b;
            font-weight: 700;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-inner {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section-inner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }
        .cta-section-inner h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section-inner p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        .cta-section-inner .btn-hero-primary {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 24px;
            font-size: 0.85rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            margin-bottom: 28px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
        }
        .footer-bottom a:hover {
            color: var(--color-gold-light);
        }
        .footer-sep {
            color: rgba(255, 255, 255, 0.25);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* ========== COLLECTION DIRECTORY ========== */
        .collection-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .collection-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .collection-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .collection-card .collection-body {
            padding: 18px 16px;
        }
        .collection-card .collection-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .collection-card .collection-body .entry-count {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .collection-card .collection-body .btn-collection {
            display: inline-block;
            margin-top: 10px;
            font-weight: 700;
            font-size: 0.82rem;
            color: var(--color-accent);
        }

        /* ========== REVIEWS ========== */
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            position: relative;
        }
        .review-card .review-stars {
            color: var(--color-gold);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .review-card .review-text {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .review-card .review-author {
            font-weight: 700;
            font-size: 0.82rem;
            color: var(--color-primary);
        }
        .review-card .review-role {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        /* ========== UTILITY ========== */
        .bg-white {
            background: #fff;
        }
        .bg-section {
            background: var(--color-bg-section);
        }
        .bg-dark {
            background: var(--color-bg-dark);
        }
        .text-white {
            color: #fff;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .gap-3 {
            gap: 20px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 44px 0;
            }
            .card-modern {
                padding: 20px 16px;
            }
            .selling-point-card {
                padding: 22px 16px;
            }
            .cta-section-inner {
                padding: 32px 20px;
            }
            .cta-section-inner h2 {
                font-size: 1.4rem;
            }
            .process-step {
                flex-direction: column;
                gap: 10px;
            }
            .guarantee-strip {
                gap: 16px;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }

        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }

        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.06);
        }

        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.1);
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: 22px !important;
            font-weight: 700 !important;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(232, 120, 42, 0.3);
            margin-left: 4px;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
        }

        @media (max-width: 1024px) {
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-cta-btn {
                padding: 8px 14px !important;
                font-size: 0.82rem !important;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 999;
            }
            .nav-links-wrapper.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                text-align: center;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, #0b1c30 0%, #132b47 40%, #1a3a5c 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0 70px;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-left {
            color: var(--color-text-white);
        }

        .hero-badge {
            display: inline-block;
            background: rgba(232, 120, 42, 0.2);
            color: var(--color-accent);
            border: 1px solid rgba(232, 120, 42, 0.4);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .hero-left h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .hero-left h1 .highlight {
            color: var(--color-gold-light);
        }

        .hero-left .hero-desc {
            font-size: 1.1rem;
            color: rgba(240, 237, 232, 0.8);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 13px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.35);
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(232, 120, 42, 0.45);
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 12px 26px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-align: center;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .data-card-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .data-card {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            flex: 1;
            min-width: 130px;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .data-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .data-card .data-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-gold-light);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .data-card .data-label {
            font-size: 0.85rem;
            color: rgba(240, 237, 232, 0.7);
            margin-top: 6px;
            font-weight: 500;
        }

        .data-card.accent-card {
            background: rgba(232, 120, 42, 0.2);
            border-color: rgba(232, 120, 42, 0.5);
        }

        .data-card.accent-card .data-number {
            color: #fff;
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-left h1 {
                font-size: 1.9rem;
            }
            .hero-section {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .data-card-row {
                justify-content: center;
            }
            .data-card {
                min-width: 100px;
                padding: 16px 14px;
            }
            .data-card .data-number {
                font-size: 1.8rem;
            }
        }

        /* ========== FEATURES SECTION ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 0 0 4px 0;
            transition: height var(--transition-normal);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .feature-card:hover::before {
            height: 70px;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(232, 120, 42, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-bg {
            background: var(--color-bg-section);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }

        .scenario-icon-circle {
            width: 56px;
            height: 56px;
            background: var(--color-bg-section);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-normal);
        }

        .scenario-card:hover .scenario-icon-circle {
            background: var(--color-accent);
            color: #fff;
        }

        .scenario-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .scenario-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== COURSE MODULES ========== */
        .module-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .module-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            border: 1px solid var(--color-border-light);
            align-items: center;
            transition: all var(--transition-normal);
        }

        .module-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }

        .module-img-wrapper {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 140px;
        }

        .module-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .module-item:hover .module-img-wrapper img {
            transform: scale(1.05);
        }

        .module-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .module-info .module-tag {
            display: inline-block;
            background: rgba(232, 120, 42, 0.08);
            color: var(--color-accent);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .module-info p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .module-item {
                grid-template-columns: 1fr;
            }
            .module-img-wrapper {
                height: 180px;
            }
        }

        /* ========== PROCESS TIMELINE ========== */
        .process-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            gap: 16px;
            flex-wrap: wrap;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 40px;
            right: 40px;
            height: 3px;
            background: var(--color-border);
            z-index: 0;
            border-radius: 2px;
        }

        .process-step {
            flex: 1;
            min-width: 140px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-dot {
            width: 40px;
            height: 40px;
            background: #fff;
            border: 3px solid var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1rem;
            position: relative;
            z-index: 2;
            transition: all var(--transition-normal);
        }

        .process-step:hover .process-dot {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 0 0 8px rgba(232, 120, 42, 0.12);
        }

        .process-step h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .process-timeline {
                flex-direction: column;
                gap: 20px;
            }
            .process-timeline::before {
                display: none;
            }
            .process-step {
                display: flex;
                align-items: center;
                gap: 14px;
                text-align: left;
            }
            .process-dot {
                margin: 0;
                flex-shrink: 0;
            }
        }

        /* ========== STATS BANNER ========== */
        .stats-banner {
            background: var(--color-primary);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .stats-row {
            display: flex;
            justify-content: space-around;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            color: #fff;
        }

        .stat-item .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-gold-light);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(240, 237, 232, 0.7);
            margin-top: 6px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-row {
                gap: 28px;
            }
            .stat-item .stat-num {
                font-size: 2rem;
            }
        }

        /* ========== EXPERT SPOTLIGHT ========== */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .expert-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }

        .expert-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .expert-img-wrap {
            height: 200px;
            overflow: hidden;
        }

        .expert-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .expert-card:hover .expert-img-wrap img {
            transform: scale(1.06);
        }

        .expert-card-body {
            padding: 20px 18px;
        }

        .expert-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .expert-card-body .expert-title {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .expert-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .expert-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(232, 120, 42, 0.03);
        }

        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-normal);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-alt {
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, #0b1c30 0%, #132b47 60%, #1a3a5c 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-alt .section-title {
            color: #fff;
        }

        .cta-section-alt .section-subtitle {
            color: rgba(240, 237, 232, 0.75);
        }

        .cta-form-inline {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .cta-form-inline input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 24px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-form-inline input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form-inline input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #091520;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 14px;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 6px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-sep {
            color: rgba(255, 255, 255, 0.25);
            margin: 0 4px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .footer-sep {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: var(--section-gap) 0;
        }
        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            font-family: var(--font-heading);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.06);
        }
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.1);
            font-weight: 700;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: 22px !important;
            font-weight: 700 !important;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(232, 120, 42, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.45);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }
        .nav-links-wrapper {
            display: flex;
            align-items: center;
        }
        @media (max-width: 1024px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border-light);
                z-index: 999;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 6px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 28, 48, 0.88) 0%, rgba(11, 28, 48, 0.72) 40%, rgba(11, 28, 48, 0.6) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: var(--color-text-white);
        }
        .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 24px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
            box-shadow: 0 4px 20px rgba(232, 120, 42, 0.5);
            position: relative;
        }
        .hero-badge::after {
            content: '';
            position: absolute;
            top: -6px;
            right: -10px;
            width: 22px;
            height: 22px;
            background: #ff3b3b;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.04);
            }
        }
        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            font-family: var(--font-heading);
            color: #fff;
        }
        .hero-title span {
            color: var(--color-gold-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(232, 120, 42, 0.4);
            letter-spacing: 0.02em;
            text-align: center;
        }
        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 120, 42, 0.55);
        }
        .btn-outline-lg {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
            text-align: center;
        }
        .btn-outline-lg:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-gold-light);
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.8rem;
            }
            .hero-section {
                min-height: 440px;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                font-size: 0.95rem;
                padding: 12px 24px;
            }
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .advantage-card .adv-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(232, 120, 42, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .advantage-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== EXPERT CARD ========== */
        .expert-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .expert-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .expert-card-img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-bottom: 3px solid var(--color-accent);
        }
        .expert-card-body {
            padding: 20px 18px;
        }
        .expert-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }
        .expert-card-body .expert-title {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .expert-card-body .expert-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 8px;
        }
        .expert-tag {
            font-size: 0.75rem;
            background: rgba(11, 28, 48, 0.06);
            color: var(--color-primary-light);
            padding: 4px 10px;
            border-radius: 14px;
            font-weight: 500;
        }

        /* ========== PROCESS STEPS ========== */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .process-step:last-child {
            border-bottom: none;
        }
        .process-step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(232, 120, 42, 0.3);
        }
        .process-step-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }
        .process-step-content p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--color-bg-dark);
            padding: 40px 0;
            position: relative;
        }
        .stat-block {
            text-align: center;
            padding: 16px;
        }
        .stat-block .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-gold-light);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-block .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== CASE CARD ========== */
        .case-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .case-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .case-card-body {
            padding: 18px;
        }
        .case-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .case-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 12px;
            left: 20px;
            font-size: 4rem;
            color: rgba(232, 120, 42, 0.12);
            font-weight: 800;
            line-height: 1;
            font-family: serif;
        }
        .testimonial-card .test-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
            padding-top: 10px;
        }
        .testimonial-card .test-author {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .testimonial-card .test-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: var(--font-heading);
        }
        .faq-item h4 .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }
        .faq-item.open h4 .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding-top: 12px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(232, 120, 42, 0.15);
            border-radius: 50%;
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 150, 62, 0.1);
            border-radius: 50%;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a1625;
            color: var(--color-text-white);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-sep {
            color: rgba(255, 255, 255, 0.2);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
            .footer-sep {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== MISC ========== */
        .bg-section {
            background: var(--color-bg-section);
        }
        .bg-white {
            background: var(--color-bg-white);
        }
        .highlight-text {
            color: var(--color-accent);
            font-weight: 700;
        }
        .divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 16px auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 44px 0;
            }
            .hero-stats-row {
                gap: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }

        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }

        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.06);
        }

        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.1);
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: 22px !important;
            font-weight: 700 !important;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(232, 120, 42, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
        }

        @media (max-width: 1024px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
                width: 100%;
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 8px;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(11, 28, 48, 0.92) 0%, rgba(19, 43, 71, 0.88) 40%, rgba(11, 28, 48, 0.94) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: var(--color-text-white);
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-left {
            flex: 1 1 480px;
            min-width: 0;
        }

        .hero-right {
            flex: 1 1 380px;
            display: flex;
            justify-content: center;
            align-items: center;
            min-width: 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 120, 42, 0.2);
            border: 1px solid rgba(232, 120, 42, 0.4);
            color: #ffb380;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 120, 42, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 120, 42, 0);
            }
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: #ff6b2b;
            border-radius: 50%;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .hero-title .highlight {
            color: var(--color-gold-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(240, 237, 232, 0.8);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 520px;
        }

        .hero-carousel-wrap {
            margin-bottom: 28px;
            min-height: 52px;
            display: flex;
            align-items: center;
        }

        .hero-carousel-item {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-gold-light);
            display: flex;
            align-items: center;
            gap: 10px;
            opacity: 0;
            transition: opacity 0.5s ease, transform 0.5s ease;
            position: absolute;
            pointer-events: none;
        }

        .hero-carousel-item.active {
            opacity: 1;
            position: relative;
            pointer-events: auto;
        }

        .hero-carousel-dots {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .hero-carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            padding: 0;
        }

        .hero-carousel-dot.active {
            background: var(--color-gold-light);
            width: 28px;
            border-radius: 10px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 120, 42, 0.45);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* Countdown Ring */
        .countdown-ring-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .countdown-ring-svg {
            width: 200px;
            height: 200px;
            transform: rotate(-90deg);
        }

        .countdown-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 10;
        }

        .countdown-ring-progress {
            fill: none;
            stroke: var(--color-gold-light);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.9s ease;
        }

        .countdown-inner-text {
            position: absolute;
            text-align: center;
            color: #fff;
        }

        .countdown-inner-text .days-num {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1;
            color: var(--color-gold-light);
        }

        .countdown-inner-text .days-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
        }

        .countdown-sub-boxes {
            display: flex;
            gap: 14px;
            margin-top: 4px;
        }

        .countdown-sub-box {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            text-align: center;
            min-width: 58px;
        }

        .countdown-sub-box .sub-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .countdown-sub-box .sub-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.03em;
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .hero-right {
                order: -1;
            }
            .countdown-ring-svg {
                width: 150px;
                height: 150px;
            }
            .countdown-inner-text .days-num {
                font-size: 2.2rem;
            }
            .hero-section {
                padding: 50px 0 40px;
            }
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 32px 0;
        }

        .stats-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 36px;
            text-align: center;
        }

        .stat-item {
            flex: 0 0 auto;
            min-width: 130px;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1.1;
        }

        .stat-number .plus {
            color: var(--color-accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        @media (max-width: 640px) {
            .stats-grid {
                gap: 20px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-item {
                min-width: 100px;
            }
        }

        /* ========== CASE CARDS ========== */
        .case-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .case-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .case-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .case-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            width: fit-content;
        }

        .tag-manufacturing {
            background: rgba(45, 138, 86, 0.1);
            color: #2d8a56;
        }
        .tag-finance {
            background: rgba(26, 109, 138, 0.1);
            color: #1a6d8a;
        }
        .tag-internet {
            background: rgba(232, 120, 42, 0.1);
            color: #c95f1a;
        }
        .tag-pharma {
            background: rgba(130, 60, 180, 0.1);
            color: #823cb4;
        }

        .case-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .case-card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .case-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent);
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }

        .case-card-link:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }

        @media (max-width: 768px) {
            .case-cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== DEEP CASE SECTION ========== */
        .deep-case-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
        }

        .deep-case-img {
            flex: 1 1 420px;
            min-height: 340px;
            object-fit: cover;
            display: block;
        }

        .deep-case-content {
            flex: 1 1 400px;
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .deep-case-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .deep-case-content p {
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .deep-case-highlights {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .deep-case-highlights li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
        }

        .deep-case-highlights li:last-child {
            border-bottom: none;
        }

        .deep-case-highlights li i {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .deep-case-content {
                padding: 28px 20px;
            }
            .deep-case-img {
                min-height: 240px;
            }
        }

        /* ========== INDUSTRY GRID ========== */
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 16px;
        }

        .industry-chip {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
            cursor: default;
        }

        .industry-chip:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .industry-chip .chip-icon {
            font-size: 1.8rem;
            margin-bottom: 8px;
            display: block;
            color: var(--color-gold);
        }

        @media (max-width: 640px) {
            .industry-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .industry-chip {
                padding: 14px 8px;
                font-size: 0.8rem;
            }
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }

        .process-step {
            flex: 1 1 200px;
            text-align: center;
            padding: 28px 16px;
            position: relative;
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            margin: 0 6px;
            transition: all var(--transition-normal);
        }

        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .process-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 900;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .process-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 30px;
            color: var(--color-accent);
            font-size: 1.3rem;
            min-width: 30px;
        }

        @media (max-width: 900px) {
            .process-steps {
                flex-direction: column;
                gap: 10px;
            }
            .process-connector {
                transform: rotate(90deg);
                margin: 0 auto;
            }
            .process-step {
                margin: 0;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--color-gold-light);
            opacity: 0.5;
            position: absolute;
            top: 16px;
            left: 20px;
        }

        .testimonial-card blockquote {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.8;
            margin: 0 0 16px;
            padding-left: 20px;
            border-left: 3px solid var(--color-gold-light);
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-author .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .testimonial-author .author-info strong {
            display: block;
            font-size: 0.95rem;
            color: var(--color-primary);
        }

        .testimonial-author .author-info span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--color-text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-alt {
            background: var(--color-bg-dark);
            background-image: linear-gradient(160deg, rgba(11, 28, 48, 0.95) 0%, rgba(19, 43, 71, 0.9) 60%, rgba(11, 28, 48, 0.95) 100%), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-alt .section-title {
            color: #fff;
            position: relative;
            z-index: 2;
        }

        .cta-section-alt .section-subtitle {
            color: rgba(240, 237, 232, 0.75);
            position: relative;
            z-index: 2;
        }

        .cta-form-row {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        .cta-input {
            flex: 1 1 260px;
            padding: 14px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: all var(--transition-fast);
            min-width: 200px;
        }

        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-input:focus {
            border-color: var(--color-gold-light);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.15);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-white);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 7px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-gold-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            justify-content: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--color-gold-light);
        }
        .footer-sep {
            color: rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .footer-sep {
                display: none;
            }
        }

        /* ========== UTILITY ========== */
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mb-12 {
            margin-bottom: 12px !important;
        }
        .mb-20 {
            margin-bottom: 20px !important;
        }
        .mb-32 {
            margin-bottom: 32px !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .mt-20 {
            margin-top: 20px !important;
        }
        .bg-white {
            background: var(--color-bg-white);
        }
        .bg-section {
            background: var(--color-bg-section);
        }
        .bg-dark {
            background: var(--color-bg-dark);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-gold {
            color: var(--color-gold);
        }
        .fw-800 {
            font-weight: 800;
        }
        .fw-900 {
            font-weight: 900;
        }

/* roulang page: category4 */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }

        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }

        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.06);
        }

        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.1);
            font-weight: 700;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 22px !important;
            font-weight: 700 !important;
            margin-left: 10px;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 10px rgba(232, 120, 42, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 18px rgba(232, 120, 42, 0.45);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 90px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 28, 48, 0.92) 0%, rgba(11, 28, 48, 0.78) 50%, rgba(11, 28, 48, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .hero-text {
            flex: 1 1 480px;
            color: var(--color-text-white);
        }

        .hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 120, 42, 0.2);
            border: 1px solid rgba(232, 120, 42, 0.4);
            color: var(--color-gold-light);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 120, 42, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 120, 42, 0);
            }
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-text h1 .highlight {
            color: var(--color-gold-light);
            position: relative;
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: rgba(240, 237, 232, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(232, 120, 42, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 120, 42, 0.5);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* Countdown Ring */
        .hero-countdown-area {
            flex: 0 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            position: relative;
            z-index: 2;
        }

        .countdown-ring-container {
            position: relative;
            width: 200px;
            height: 200px;
        }

        .countdown-ring-container svg {
            transform: rotate(-90deg);
            width: 200px;
            height: 200px;
        }

        .countdown-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 8;
        }

        .countdown-ring-progress {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.5s ease;
        }

        .countdown-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
        }

        .countdown-number {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1;
            letter-spacing: -0.04em;
        }

        .countdown-unit {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .countdown-label-ring {
            color: var(--color-gold-light);
            font-size: 0.9rem;
            font-weight: 600;
            text-align: center;
        }

        /* Carousel Dots */
        .hero-carousel-dots {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-top: 6px;
        }

        .hero-carousel-dots .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            padding: 0;
        }

        .hero-carousel-dots .dot.active {
            background: var(--color-accent);
            width: 28px;
            border-radius: 5px;
        }

        .hero-carousel-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            margin-left: 8px;
            font-weight: 500;
            min-width: 120px;
            text-align: left;
            transition: all var(--transition-fast);
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 32px 0;
        }

        .stats-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            flex: 1 1 140px;
            min-width: 120px;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-number .stat-plus {
            font-size: 1.5rem;
            font-weight: 700;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== CASE CARDS ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .case-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-gold-light);
        }

        .case-card-image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .case-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .case-card:hover .case-card-image img {
            transform: scale(1.06);
        }

        .case-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            z-index: 2;
        }

        .case-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .case-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .case-card-desc {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        .case-card-stats .mini-stat {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .case-card-stats .mini-stat strong {
            color: var(--color-accent);
            font-size: 1rem;
            display: block;
        }

        .btn-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 8px 0;
            transition: gap var(--transition-fast);
        }

        .btn-card-link:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }

        /* ========== DEEP CASE SECTION ========== */
        .deep-case-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .deep-case-image {
            flex: 1 1 360px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .deep-case-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
        }

        .deep-case-text {
            flex: 1 1 380px;
        }

        .deep-case-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .deep-case-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .deep-case-text .highlight-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        .deep-case-text .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 13px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .deep-case-results {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .result-chip {
            background: rgba(45, 138, 86, 0.08);
            color: var(--color-success);
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 24px;
            counter-reset: step;
        }

        .process-step {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            position: relative;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            counter-increment: step;
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-gold-light);
        }

        .process-step::before {
            content: counter(step);
            position: absolute;
            top: -16px;
            left: 22px;
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 10px;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== INDUSTRY TAGS ========== */
        .industry-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 16px;
        }

        .industry-tag {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .industry-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.04);
            box-shadow: var(--shadow-sm);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 5rem;
            color: var(--color-gold-light);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
            font-family: Georgia, serif;
            opacity: 0.5;
        }

        .testimonial-card blockquote {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0 0 16px;
            padding-left: 30px;
            border: none;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-left: 30px;
        }

        .testimonial-author .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
        }

        .testimonial-author .author-info strong {
            display: block;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-author .author-info span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 72px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 28, 48, 0.94) 0%, rgba(11, 28, 48, 0.85) 100%);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: rgba(240, 237, 232, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 520px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1 1 260px;
            padding: 14px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 4px rgba(232, 120, 42, 0.2);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-white);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-grid h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 8px;
        }

        .footer-grid ul li a {
            color: rgba(240, 237, 232, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--color-gold-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(240, 237, 232, 0.45);
        }

        .footer-bottom a {
            color: rgba(240, 237, 232, 0.5);
            font-size: 0.8rem;
        }

        .footer-bottom a:hover {
            color: var(--color-gold-light);
        }

        .footer-sep {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-text .hero-desc {
                max-width: 100%;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-countdown-area {
                margin-top: 20px;
            }
            .countdown-ring-container {
                width: 160px;
                height: 160px;
            }
            .countdown-ring-container svg {
                width: 160px;
                height: 160px;
            }
            .countdown-number {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .deep-case-block {
                padding: 32px 24px;
                flex-direction: column;
            }
            .cases-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 0;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links li a {
                display: block;
                padding: 12px 24px;
                border-radius: 0;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                border-radius: 0 !important;
            }
            .hero-section {
                padding: 50px 0 60px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .countdown-ring-container {
                width: 130px;
                height: 130px;
            }
            .countdown-ring-container svg {
                width: 130px;
                height: 130px;
            }
            .countdown-number {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .deep-case-block {
                padding: 24px 16px;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-section {
                padding: 36px 0 44px;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 44px 0;
            }
            .countdown-ring-container {
                width: 110px;
                height: 110px;
            }
            .countdown-ring-container svg {
                width: 110px;
                height: 110px;
            }
            .countdown-number {
                font-size: 1.6rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .case-card-image {
                height: 180px;
            }
            .stats-bar {
                padding: 20px 0;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .deep-case-results {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-bg-warm: #faf9f5;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }
        a:focus:not(:focus-visible) {
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--color-primary);
            line-height: 1.3;
            margin: 0 0 0.5em;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.85rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 700;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 700;
        }
        p {
            margin-bottom: 0.8em;
            color: var(--color-text-light);
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: var(--section-gap) 0;
        }
        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-links-wrapper {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.06);
        }
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.1);
            font-weight: 700;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 700 !important;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(232, 120, 42, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.45);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(180deg, #faf9f5 0%, #f1efe9 40%, #e8e4db 100%);
            padding: 56px 0 48px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            background: var(--color-bg-white);
            padding: 14px 16px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .hero-value-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .hero-value-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            color: #fff;
        }
        .hero-value-icon.orange {
            background: var(--color-accent);
        }
        .hero-value-icon.gold {
            background: var(--color-gold);
        }
        .hero-value-icon.dark {
            background: var(--color-primary);
        }
        .hero-value-text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
        }
        .hero-value-text span {
            display: block;
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--color-text-muted);
            margin-top: 2px;
        }
        .hero-center {
            text-align: center;
        }
        .hero-center .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-center h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-center .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            line-height: 1.5;
            max-width: 440px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-image-wrap {
            position: relative;
            display: inline-block;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 6px solid #fff;
            transition: transform var(--transition-slow);
        }
        .hero-image-wrap:hover {
            transform: scale(1.02);
        }
        .hero-image-wrap img {
            width: 100%;
            max-width: 480px;
            height: auto;
            display: block;
        }
        .hero-image-wrap .hero-image-glow {
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            box-shadow: inset 0 0 60px rgba(232, 120, 42, 0.08);
            pointer-events: none;
        }
        .hero-cta-row {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: 28px;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
            text-align: center;
            white-space: nowrap;
            font-family: var(--font-body);
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 6px 24px rgba(232, 120, 42, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.04);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 1rem;
            border-radius: 30px;
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        /* ========== SECTIONS ========== */
        .bg-white {
            background: var(--color-bg-white);
        }
        .bg-section {
            background: var(--color-bg-section);
        }
        .bg-warm {
            background: var(--color-bg-warm);
        }
        .bg-dark {
            background: var(--color-bg-dark);
        }

        .info-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .info-row.reverse {
            direction: rtl;
        }
        .info-row.reverse>* {
            direction: ltr;
        }
        .info-text h2 {
            margin-bottom: 14px;
        }
        .info-text p {
            font-size: 0.98rem;
            line-height: 1.75;
            color: var(--color-text-light);
            margin-bottom: 10px;
        }
        .info-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow);
        }
        .info-image:hover {
            transform: scale(1.015);
        }
        .info-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .service-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            flex-shrink: 0;
        }
        .service-card .card-icon.orange {
            background: var(--color-accent);
        }
        .service-card .card-icon.gold {
            background: var(--color-gold);
        }
        .service-card .card-icon.dark {
            background: var(--color-primary);
        }
        .service-card .card-icon.info {
            background: var(--color-info);
        }
        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0;
            color: var(--color-primary);
        }
        .service-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }
        .service-card .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 4px 10px;
            border-radius: 12px;
            align-self: flex-start;
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            gap: 0;
            align-items: stretch;
            position: relative;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 10px 0;
        }
        .process-step {
            flex: 1;
            min-width: 160px;
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 36px;
            left: calc(50% + 28px);
            width: calc(100% - 56px);
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }
        .process-step:last-child::after {
            display: none;
        }
        .step-number {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--color-bg-white);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent);
            position: relative;
            z-index: 1;
            transition: all var(--transition-normal);
        }
        .process-step:hover .step-number {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 8px rgba(232, 120, 42, 0.08);
            transform: scale(1.05);
        }
        .process-step h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            background: var(--color-bg-white);
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* Expert Cards */
        .expert-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .expert-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }
        .expert-card .expert-info {
            padding: 18px 16px;
        }
        .expert-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
            color: var(--color-primary);
        }
        .expert-card .expert-title {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .expert-card .expert-desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* Scenario Tags */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .scenario-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-bg-white);
            padding: 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .scenario-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .scenario-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            margin-top: 6px;
        }
        .scenario-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-primary);
        }
        .scenario-item p {
            font-size: 0.83rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(232, 120, 42, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: all var(--transition-normal);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-dark);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 15px 36px;
            border-radius: 30px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a1828;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 0.88rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-grid ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            justify-content: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-sep {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-side {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
                justify-content: center;
            }
            .hero-side .hero-value-item {
                flex: 1 1 140px;
                min-width: 130px;
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 12px 10px;
            }
            .hero-center h1 {
                font-size: 2rem;
            }
            .hero-image-wrap img {
                max-width: 360px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .process-steps {
                flex-wrap: wrap;
                gap: 16px;
                justify-content: center;
            }
            .process-step {
                flex: 0 0 calc(50% - 16px);
                min-width: 140px;
            }
            .process-step::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 60px;
                padding: 8px 0;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                padding: 12px 16px;
                display: none;
                z-index: 999;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn {
                margin-top: 6px;
                text-align: center;
            }
            .hero-section {
                padding: 36px 0 32px;
            }
            .hero-center h1 {
                font-size: 1.6rem;
            }
            .hero-center .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-image-wrap img {
                max-width: 280px;
            }
            .hero-side {
                flex-direction: column;
                gap: 8px;
            }
            .hero-side .hero-value-item {
                flex-direction: row;
                text-align: left;
                flex: 1 1 auto;
                min-width: auto;
                padding: 10px 14px;
            }
            .card-grid,
            .card-grid.cols-3,
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .process-steps {
                flex-direction: column;
                gap: 12px;
            }
            .process-step {
                flex: 1 1 auto;
                min-width: auto;
                display: flex;
                align-items: center;
                gap: 14px;
                text-align: left;
            }
            .process-step .step-number {
                margin: 0;
                width: 52px;
                height: 52px;
                font-size: 1.2rem;
                flex-shrink: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 0.93rem;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .hero-cta-row .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 44px 0;
            }
        }

        @media (max-width: 520px) {
            .hero-center h1 {
                font-size: 1.35rem;
            }
            .hero-image-wrap img {
                max-width: 220px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 14px;
            }
            .site-header .container {
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .footer-sep {
                display: none;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0b1c30;
            --color-primary-light: #132b47;
            --color-accent: #e8782a;
            --color-accent-hover: #c95f1a;
            --color-gold: #c8963e;
            --color-gold-light: #e8c06a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1c30;
            --color-bg-section: #f1efe9;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-muted: #777777;
            --color-text-white: #f0ede8;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #2d8a56;
            --color-info: #1a6d8a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
            --section-gap: 56px;
            --section-gap-lg: 72px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }
        .section-padding-lg {
            padding: var(--section-gap-lg) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            font-family: var(--font-heading);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.06);
        }
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(232, 120, 42, 0.1);
            font-weight: 700;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 24px !important;
            font-weight: 700 !important;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(232, 120, 42, 0.25);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.35);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* ========== HERO (白皮书获客) ========== */
        .hero-summit {
            position: relative;
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(11, 28, 48, 0.92) 0%, rgba(19, 43, 71, 0.88) 40%, rgba(11, 28, 48, 0.94) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 64px 0 72px;
            color: var(--color-text-white);
            overflow: hidden;
        }
        .hero-summit .container {
            position: relative;
            z-index: 2;
        }
        .hero-summit-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-summit-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-summit-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 120, 42, 0.2);
            border: 1px solid rgba(232, 120, 42, 0.4);
            color: var(--color-gold-light);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 16px;
            border-radius: 24px;
            letter-spacing: 0.04em;
            width: fit-content;
        }
        .hero-summit-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }
        .hero-summit h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin: 0;
        }
        .hero-summit h1 span {
            color: var(--color-gold-light);
        }
        .hero-summit-desc {
            font-size: 1.1rem;
            color: rgba(240, 237, 232, 0.8);
            line-height: 1.7;
            max-width: 500px;
        }
        .hero-summit-toc {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hero-summit-toc .toc-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-gold-light);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 2px;
        }
        .hero-summit-toc ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .hero-summit-toc ul li {
            font-size: 0.95rem;
            color: rgba(240, 237, 232, 0.85);
            padding-left: 20px;
            position: relative;
            line-height: 1.5;
        }
        .hero-summit-toc ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
        }
        .hero-summit-right {
            display: flex;
            justify-content: center;
            align-items: flex-start;
        }
        .hero-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-xl);
            width: 100%;
            max-width: 420px;
            color: var(--color-text);
        }
        .hero-form-card .form-cover-preview {
            width: 100%;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16/10;
            background: var(--color-bg-section);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-form-card .form-cover-preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-form-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            text-align: center;
        }
        .hero-form-card .form-subtitle {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-bottom: 20px;
        }
        .hero-form-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            margin-bottom: 12px;
            transition: border-color var(--transition-fast);
            font-family: var(--font-body);
            background: var(--color-bg);
        }
        .hero-form-card input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(232, 120, 42, 0.08);
        }
        .hero-form-card .btn-submit {
            width: 100%;
            padding: 14px 24px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            font-family: var(--font-body);
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.3);
        }
        .hero-form-card .btn-submit:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 120, 42, 0.4);
        }
        .hero-form-card .form-note {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== CARDS & COMPONENTS ========== */
        .card-summit {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .card-summit:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-summit .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(232, 120, 42, 0.08);
            color: var(--color-accent);
        }
        .card-summit h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .card-summit p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .card-guest {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
            border: 1px solid var(--color-border-light);
        }
        .card-guest:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-guest .guest-img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            background: var(--color-bg-section);
        }
        .card-guest .guest-info {
            padding: 18px 16px;
        }
        .card-guest .guest-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .card-guest .guest-title {
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .card-guest .guest-bio {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-time {
            min-width: 100px;
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.9rem;
            padding-top: 2px;
        }
        .timeline-content h4 {
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-size: 1rem;
        }
        .timeline-content p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        .stat-block {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
            background: #fff;
        }
        .faq-question:hover {
            background: rgba(232, 120, 42, 0.03);
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-normal);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-summit {
            background: var(--color-primary);
            background-image: linear-gradient(160deg, #0b1c30 0%, #132b47 60%, #0f2238 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section-summit::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(232, 120, 42, 0.08);
            border-radius: 50%;
        }
        .cta-section-summit::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 150, 62, 0.06);
            border-radius: 50%;
        }
        .cta-section-summit .container {
            position: relative;
            z-index: 2;
        }
        .cta-section-summit h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section-summit p {
            color: rgba(240, 237, 232, 0.75);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 16px 40px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            box-shadow: 0 6px 24px rgba(232, 120, 42, 0.4);
            border: none;
            cursor: pointer;
            font-family: var(--font-body);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(232, 120, 42, 0.5);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            cursor: pointer;
            font-family: var(--font-body);
            margin-left: 12px;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-white);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-gold-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            justify-content: center;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-gold-light);
        }
        .footer-sep {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-summit-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-summit h1 {
                font-size: 2.2rem;
            }
            .hero-summit-right {
                justify-content: center;
            }
            .hero-form-card {
                max-width: 480px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                padding: 16px 24px;
                z-index: 999;
            }
            .nav-links-wrapper.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
                align-items: stretch;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                text-align: center;
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 6px;
            }
            .hero-summit {
                padding: 40px 0 48px;
            }
            .hero-summit h1 {
                font-size: 1.8rem;
            }
            .hero-summit-desc {
                font-size: 0.95rem;
            }
            .hero-form-card {
                padding: 24px 20px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-lg {
                padding: 48px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .timeline-item {
                flex-direction: column;
                gap: 8px;
            }
            .timeline-time {
                min-width: auto;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: 10px;
                display: block;
            }
            .cta-section-summit h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-summit h1 {
                font-size: 1.5rem;
            }
            .hero-summit-toc {
                padding: 14px 16px;
            }
            .hero-summit-toc ul li {
                font-size: 0.85rem;
            }
            .hero-form-card {
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }
            .card-summit {
                padding: 20px 16px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .container {
                padding: 0 16px;
            }
            .btn-cta-large {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }