/* roulang page: index */
:root {
            --primary: #2d6a4f;
            --primary-dark: #1b4332;
            --primary-light: #95d5b2;
            --secondary: #d4a373;
            --secondary-dark: #bb8552;
            --accent: #e9c46a;
            --bg-light: #f9f7f3;
            --bg-white: #ffffff;
            --bg-dark: #1b4332;
            --text-dark: #1f2a24;
            --text-body: #3e4d45;
            --text-muted: #6b7a72;
            --border-light: #e8e3da;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo a {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: white;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-menu a {
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--text-body);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: var(--primary);
            background: rgba(45, 106, 79, 0.08);
        }

        .nav-menu a.active {
            color: var(--primary-dark);
            background: rgba(45, 106, 79, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            margin-left: 8px;
        }

        .nav-cta a {
            background: var(--primary);
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 50px !important;
            font-weight: 500;
            box-shadow: 0 4px 14px rgba(45, 106, 79, 0.25);
            transition: all 0.3s ease;
        }

        .nav-cta a:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(27, 67, 50, 0.3);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-dark);
            padding: 8px;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #f0f7f2 0%, #e8f0ea 50%, #f5efe6 100%);
            padding: 80px 0 70px;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            clip-path: polygon(25% 0, 100% 0, 100% 100%, 0 100%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(45, 106, 79, 0.12);
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            border: 1px solid rgba(45, 106, 79, 0.2);
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 18px rgba(45, 106, 79, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(27, 67, 50, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--primary);
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background: rgba(45, 106, 79, 0.06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Section General */
        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(45, 106, 79, 0.08);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* Category Nav Bar */
        .category-bar-section {
            padding: 60px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .category-card {
            background: var(--bg-light);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            background: var(--bg-white);
        }

        .category-icon {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }

        .category-card h3 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Featured Section */
        .featured-section {
            background: var(--bg-light);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .featured-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.4s ease;
            border: 1px solid var(--border-light);
        }

        .featured-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .featured-image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-card:hover .featured-image img {
            transform: scale(1.06);
        }

        .featured-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(45, 106, 79, 0.9);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .featured-body {
            padding: 24px;
        }

        .featured-body h3 {
            font-size: 1.15rem;
            color: var(--text-dark);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .featured-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .featured-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .featured-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Data Section */
        .data-section {
            background: var(--bg-dark);
            color: #e0ece6;
            position: relative;
            overflow: hidden;
        }

        .data-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

        .data-section .container {
            position: relative;
            z-index: 1;
        }

        .data-section .section-title,
        .data-section .section-desc {
            color: #fff;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 50px;
        }

        .data-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

        .data-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .data-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .data-item p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Service Process Section */
        .process-section {
            background: var(--bg-white);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 20px;
        }

        .process-step {
            position: relative;
            padding: 32px 24px;
            background: var(--bg-light);
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(45, 106, 79, 0.3);
        }

        .process-step h3 {
            font-size: 1.05rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Community / Reviews */
        .community-section {
            background: var(--bg-light);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testimonial-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ Section */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--bg-light);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(45, 106, 79, 0.04);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px dashed var(--border-light);
            padding-top: 16px;
        }

        /* News Section */
        .news-section {
            background: var(--bg-light);
        }

        .news-wrapper {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
            background: var(--bg-white);
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid var(--border-light);
        }

        .news-item a {
            font-weight: 500;
            color: var(--text-dark);
            font-size: 1rem;
            line-height: 1.4;
        }

        .news-item a:hover {
            color: var(--primary);
        }

        .news-sidebar {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .news-sidebar h3 {
            font-size: 1.2rem;
            color: var(--text-dark);
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--primary-light);
        }

        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-light);
            font-size: 0.9rem;
        }

        .sidebar-list li:last-child {
            border-bottom: none;
        }

        .sidebar-list a {
            color: var(--text-body);
            display: flex;
            gap: 10px;
            align-items: baseline;
        }

        .sidebar-list a:hover {
            color: var(--primary);
        }

        .sidebar-list .badge {
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 500;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 100px 0;
            text-align: center;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(27, 67, 50, 0.9), rgba(45, 106, 79, 0.85));
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
        }

        .cta-content .btn-primary {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
        }

        .cta-content .btn-primary:hover {
            background: var(--accent);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand .logo a {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }

        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, 0.15);
        }

        .footer-brand p {
            font-size: 0.9rem;
            margin-top: 20px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-title {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                width: 100%;
                text-align: center;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .hero-section {
                padding: 60px 0;
                min-height: auto;
            }
            .hero-section::before {
                display: none;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .testimonials-grid,
            .featured-grid,
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                gap: 24px;
            }
            .data-grid,
            .process-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1b4332;
            --primary-light: #2d6a4f;
            --accent: #b08968;
            --accent-light: #d4a373;
            --bg: #faf7f2;
            --bg-white: #ffffff;
            --bg-dark: #142a20;
            --text: #1f2937;
            --text-muted: #6b7280;
            --border: #e5e0d8;
            --radius: 20px;
            --radius-sm: 12px;
            --shadow: 0 8px 32px rgba(20, 42, 32, .08);
            --shadow-hover: 0 18px 44px rgba(20, 42, 32, .14);
            --transition: .3s ease;
            --container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            border: 2px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
            background: none;
            color: inherit;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-ghost {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-ghost:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
        }

        .btn-light:hover {
            background: var(--bg);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(176, 137, 104, .14);
            color: var(--accent);
            letter-spacing: .5px;
        }

        .badge-dark {
            background: rgba(255, 255, 255, .14);
            color: #fff;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .93);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo-icon {
            font-size: 24px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-menu a {
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: border-color var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-menu .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 22px;
            border-radius: 999px;
            border: none;
            font-weight: 600;
        }

        .nav-menu .nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            line-height: 1;
            padding: 4px;
        }

        .nav-toggle:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== Hero ===== */
        .hero {
            padding: 88px 0 72px;
            background:
                linear-gradient(135deg, var(--bg) 0%, #f0ece4 100%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero .badge {
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 40px;
            line-height: 1.2;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 18px;
            font-weight: 800;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 460px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-kpi {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .kpi-item {
            display: flex;
            flex-direction: column;
        }

        .kpi-item strong {
            font-size: 26px;
            color: var(--primary);
            font-weight: 800;
        }

        .kpi-item span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-visual {
            position: relative;
            transform: rotate(1.8deg) translateY(12px);
        }

        .hero-visual img {
            border-radius: 28px;
            box-shadow: 0 24px 60px rgba(20, 42, 32, .18);
            width: 100%;
            height: 460px;
            object-fit: cover;
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 28px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2);
            pointer-events: none;
        }

        /* ===== 通用 Section ===== */
        .section {
            padding: 80px 0;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin: 12px 0 12px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== 价值主张 ===== */
        .value-section {
            background: var(--bg-white);
            padding: 88px 0;
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .value-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 24px;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .value-icon {
            font-size: 32px;
            margin-bottom: 14px;
        }

        .value-card h3 {
            font-size: 17px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .value-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 品茶类型 ===== */
        .type-section {
            padding: 88px 0;
            background: var(--bg);
        }

        .type-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .type-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .type-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .type-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .type-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 20%, rgba(0, 0, 0, .78) 100%);
        }

        .type-info {
            position: relative;
            z-index: 2;
            padding: 26px;
            color: #fff;
        }

        .type-info h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .type-info p {
            font-size: 14px;
            opacity: .88;
            line-height: 1.6;
        }

        /* ===== 场景 ===== */
        .scene-section {
            padding: 88px 0;
            background: var(--bg-white);
        }

        .scene-layout {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 50px;
            align-items: center;
        }

        .scene-intro h2 {
            font-size: 30px;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .scene-intro p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .scene-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            border-left: 4px solid var(--accent);
            transition: box-shadow var(--transition);
        }

        .scene-item:hover {
            box-shadow: var(--shadow);
        }

        .scene-item .scene-emoji {
            font-size: 26px;
            flex-shrink: 0;
        }

        .scene-item h4 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .scene-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 流程 ===== */
        .steps-section {
            padding: 88px 0;
            background: var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 34px 26px;
            border: 1px solid var(--border);
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 评价 ===== */
        .review-section {
            padding: 88px 0;
            background: var(--bg-white);
        }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .review-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 30px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .review-stars {
            color: var(--accent);
            letter-spacing: 3px;
            font-size: 16px;
        }

        .review-card p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            flex: 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
        }

        /* ===== 预算 ===== */
        .price-section {
            padding: 88px 0;
            background: var(--bg);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .price-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 22px 26px;
            border: 1px solid var(--border);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .price-row:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .price-info h4 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 2px;
        }

        .price-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .price-amount {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 88px 0;
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 20px 26px;
            font-weight: 600;
            color: var(--primary);
            font-size: 16px;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 22px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-body {
            padding: 0 26px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 88px 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(176, 137, 104, .2);
            top: -120px;
            right: -80px;
        }

        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin: 16px 0 14px;
            line-height: 1.3;
        }

        .cta-box p {
            font-size: 16px;
            opacity: .8;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f1d16;
            color: #9ca3af;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .logo a {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            opacity: .7;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #9ca3af;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            text-align: center;
            padding: 22px 0;
            font-size: 13px;
            opacity: .55;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                gap: 32px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .type-grid {
                grid-template-columns: 1fr 1fr;
            }

            .scene-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }

            .steps-grid .step-card:last-child {
                grid-column: span 2;
            }

            .review-grid {
                grid-template-columns: 1fr 1fr;
            }

            .review-grid .review-card:last-child {
                grid-column: span 2;
            }

            .price-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 74px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 18px 24px 24px;
                gap: 14px;
                box-shadow: 0 18px 40px rgba(0, 0, 0, .12);
                border-bottom: 1px solid var(--border);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 10px 12px;
                border-bottom: none;
                border-radius: var(--radius-sm);
                font-size: 16px;
            }

            .nav-menu a:hover,
            .nav-menu a.active {
                background: rgba(27, 67, 50, .08);
                border-bottom: none;
            }

            .nav-menu .nav-cta {
                text-align: center;
            }

            .hero {
                padding: 56px 0 48px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
            }

            .hero-visual {
                transform: rotate(0) translateY(0);
            }

            .hero-visual img {
                height: 320px;
            }

            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .type-grid,
            .steps-grid,
            .review-grid,
            .price-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid .step-card:last-child,
            .review-grid .review-card:last-child {
                grid-column: span 1;
            }

            .hero-kpi {
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo a {
                font-size: 14px;
            }

            .logo-icon {
                font-size: 20px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .today-card {
                min-height: 200px;
            }

            .value-grid {
                grid-template-columns: 1fr;
            }

            .type-grid {
                grid-template-columns: 1fr;
            }

            .type-card {
                min-height: 210px;
            }

            .price-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                font-size: 12px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .cta-box .btn {
                width: 100%;
            }
        }
