/* roulang page: index */
:root {
            --color-primary: #1B4332;
            --color-primary-dark: #122B21;
            --color-primary-light: #2D6A4F;
            --color-accent: #D47E5A;
            --color-accent-dark: #C4653C;
            --color-cream: #FAF6EF;
            --color-cream-dark: #F0E9DF;
            --color-text: #2D2A26;
            --color-text-light: #6B6259;
            --color-border: #E8E0D5;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 16px;
            --radius-lg: 28px;
            --radius-arch: 999px 999px 16px 16px;
            --shadow-sm: 0 2px 10px rgba(27, 67, 50, 0.07);
            --shadow-md: 0 6px 24px rgba(27, 67, 50, 0.10);
            --shadow-lg: 0 16px 48px rgba(27, 67, 50, 0.16);
            --font-serif: 'Noto Serif SC', Georgia, 'Times New Roman', serif;
            --font-sans: 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 32px;
            --space-lg: 64px;
            --space-xl: 100px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-cream);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover,
        a:focus {
            color: var(--color-accent);
            outline: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }
        }

        /* ---------- Buttons ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
            text-align: center;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-white);
            box-shadow: 0 4px 14px rgba(212, 126, 90, 0.35);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--color-accent-dark);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 126, 90, 0.42);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.65);
            color: var(--color-white);
            background: transparent;
        }
        .btn-outline:hover,
        .btn-outline:focus {
            border-color: var(--color-white);
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--color-primary);
            color: var(--color-white);
            box-shadow: 0 4px 14px rgba(27, 67, 50, 0.25);
        }
        .btn-dark:hover,
        .btn-dark:focus {
            background: var(--color-primary-light);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        /* ---------- Header ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background: rgba(250, 246, 239, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }
        .site-header.is-scrolled {
            box-shadow: 0 4px 24px rgba(27, 67, 50, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            position: relative;
        }

        @media (max-width: 640px) {
            .header-inner {
                padding: 0 20px;
            }
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .brand:hover {
            color: var(--color-primary);
        }

        .brand-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: var(--color-cream);
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-arch);
            box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.15);
            flex-shrink: 0;
        }

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

        .nav-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .nav-list > li {
            position: relative;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(27, 67, 50, 0.06);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(27, 67, 50, 0.08);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .nav-link i {
            font-size: 11px;
            transition: transform 0.3s ease;
        }
        .has-dropdown:hover .nav-link i {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            width: 620px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
            opacity: 0;
            visibility: hidden;
            transition: all 0.35s ease;
            z-index: 50;
            padding: 28px;
        }

        .has-dropdown:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.8fr;
            gap: 24px;
            align-items: center;
        }

        .mega-info h4 {
            font-family: var(--font-serif);
            font-size: 20px;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .mega-info p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0 0 12px;
        }
        .mega-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
        }
        .mega-link:hover {
            color: var(--color-accent-dark);
        }

        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            border-left: 1px solid var(--color-border);
            padding-left: 20px;
        }
        .mega-links a {
            padding: 5px 0;
            font-size: 14px;
            color: var(--color-text-light);
        }
        .mega-links a:hover {
            color: var(--color-primary);
        }

        .mega-card img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 100px;
            object-fit: cover;
        }

        .header-cta {
            padding: 10px 22px;
            font-size: 14px;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: var(--radius-sm);
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .menu-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            padding-top: 144px;
            padding-bottom: 96px;
            background: linear-gradient(135deg, rgba(18, 33, 29, 0.88), rgba(27, 67, 50, 0.92)),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            color: var(--color-white);
            overflow: hidden;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 48px;
            }
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
        }

        .hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(40px, 5vw, 64px);
            line-height: 1.2;
            font-weight: 700;
            margin: 0 0 24px;
            letter-spacing: 0.01em;
            color: var(--color-white);
        }

        .hero h1 .accent-text {
            color: #F2B48D;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin-bottom: 40px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
            padding-top: 32px;
            max-width: 520px;
        }

        @media (max-width: 640px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        .stat-item .stat-num {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.2;
            display: block;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        .hero-image {
            position: relative;
        }

        .hero-image-card {
            border-radius: var(--radius-arch);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
            border: 2px solid rgba(255, 255, 255, 0.15);
            max-width: 440px;
            margin-left: auto;
        }

        .hero-image-card img {
            width: 100%;
            aspect-ratio: 4 / 5;
            object-fit: cover;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 24px;
            left: -20px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            box-shadow: var(--shadow-lg);
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            max-width: 180px;
        }

        @media (max-width: 1024px) {
            .hero-image {
                display: none;
            }
        }

        /* ---------- Section common ---------- */
        .section {
            padding: var(--space-xl) 0;
        }
        .section-sm {
            padding: var(--space-lg) 0;
        }
        .section-cream {
            background: var(--color-cream);
        }
        .section-white {
            background: var(--color-white);
        }
        .section-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto var(--space-lg);
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(30px, 3.5vw, 42px);
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
        }

        .section-white .section-title {
            color: var(--color-primary);
        }

        .section-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-light);
            margin: 0;
        }

        /* ---------- Services ---------- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 16px;
        }

        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        .service-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), #E8A07F);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-arch);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-cream);
            color: var(--color-primary);
            font-size: 24px;
            margin-bottom: 22px;
            transition: background 0.3s ease, color 0.3s ease;
        }
        .service-card:hover .service-icon {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .service-card h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 10px;
        }

        .service-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-light);
            margin: 0 0 16px;
        }

        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-link i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }
        .service-link:hover i {
            transform: translateX(4px);
        }

        /* ---------- Philosophy ---------- */
        .philosophy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        @media (max-width: 1024px) {
            .philosophy-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .philosophy-content .section-title {
            margin-bottom: 20px;
        }

        .philosophy-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-light);
            margin-bottom: 24px;
        }

        .philosophy-points {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
        }

        .philosophy-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--color-text);
        }

        .philosophy-points li i {
            color: var(--color-accent);
            margin-top: 2px;
            font-size: 18px;
            width: 24px;
            flex-shrink: 0;
        }

        .philosophy-image {
            position: relative;
        }

        .philosophy-image-main {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .philosophy-image-main img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .philosophy-image-float {
            position: absolute;
            bottom: -20px;
            right: -16px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            box-shadow: var(--shadow-lg);
            font-size: 14px;
            font-weight: 600;
            line-height: 1.5;
        }

        /* ---------- News / CMS ---------- */
        .news-section {
            background: var(--color-cream);
        }

        .news-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            transition: all 0.3s ease;
        }

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

        .news-tag {
            flex-shrink: 0;
            background: var(--color-cream-dark);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-title {
            display: block;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-title:hover {
            color: var(--color-accent);
        }

        .news-excerpt {
            font-size: 13px;
            color: var(--color-text-light);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-date {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
            color: var(--color-text-light);
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 18px;
            }
            .news-title {
                white-space: normal;
            }
            .news-excerpt {
                white-space: normal;
            }
        }

        /* ---------- Cases ---------- */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        @media (max-width: 1024px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .cases-grid {
                grid-template-columns: 1fr;
            }
        }

        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .case-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .case-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .case-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(18, 33, 29, 0.55), transparent);
            opacity: 0;
            transition: opacity 0.4s ease;
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }

        .case-card:hover .case-overlay {
            opacity: 1;
        }

        .case-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }

        .case-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 10px;
        }

        .case-body p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0 0 18px;
            flex: 1;
        }

        .case-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .case-link:hover {
            color: var(--color-accent);
        }
        .case-link i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }
        .case-link:hover i {
            transform: translateX(4px);
        }

        /* ---------- Process ---------- */
        .process-section {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .process-section .section-title {
            color: var(--color-white);
        }

        .process-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
        }

        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        .process-step {
            text-align: center;
            padding: 0 12px;
            position: relative;
        }

        .process-num {
            display: block;
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.18);
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }

        .process-step:hover .process-num {
            color: var(--color-accent);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 10px;
        }

        .process-step p {
            font-size: 13px;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            position: relative;
            transition: color 0.3s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item[open] summary {
            color: var(--color-primary);
        }

        .faq-body {
            padding: 0 28px 24px;
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
            margin-top: 0;
        }

        .faq-body p {
            margin: 0;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 126, 90, 0.15);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .cta-inner {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-family: var(--font-serif);
            font-size: clamp(30px, 3.5vw, 44px);
            line-height: 1.3;
            margin: 0 0 18px;
            color: var(--color-white);
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin: 0 0 32px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 72px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 48px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px 48px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 0 20px 40px;
            }
        }

        .footer-brand .brand {
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .footer-brand .brand-mark {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 280px;
        }

        .footer-title {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 20px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--color-white);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact i {
            color: var(--color-accent);
            width: 18px;
            font-size: 14px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 1280px;
            margin: 0 auto;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

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

        /* ---------- Mobile nav ---------- */
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            .header-cta {
                display: none;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: var(--color-cream);
                border-top: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: 20px;
                transition: all 0.3s ease;
            }

            .main-nav.is-open {
                display: block;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-link {
                width: 100%;
                justify-content: space-between;
                padding: 14px 16px;
                border-radius: var(--radius-sm);
            }

            .mega-panel {
                position: static;
                width: 100%;
                transform: none;
                border-radius: var(--radius-md);
                box-shadow: none;
                border: 1px solid var(--color-border);
                margin-top: 8px;
                padding: 20px;
                opacity: 1;
                visibility: visible;
                transform: none;
                display: none;
            }

            .has-dropdown.is-open .mega-panel {
                display: block;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .mega-links {
                border-left: none;
                padding-left: 0;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 8px 16px;
            }

            .mega-card {
                display: none;
            }
        }

        /* ---------- Animations ---------- */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .fade-up {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

        /* ---------- Misc helpers ---------- */
        .text-accent {
            color: var(--color-accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --green-deep: #1E3A34;
            --green-dark: #142B26;
            --green-mid: #2B554C;
            --clay: #C97B4A;
            --clay-light: #E2976A;
            --cream: #FAF6F0;
            --cream-dark: #F2EBE2;
            --white: #FFFFFF;
            --ink: #2B2B29;
            --muted: #6B6B66;
            --line: #E8E1D8;
            --radius: 22px;
            --radius-arch: 28px 6px 28px 6px;
            --shadow: 0 18px 50px rgba(30, 58, 52, 0.08);
            --shadow-hover: 0 26px 60px rgba(30, 58, 52, 0.14);
            --header-h: 72px;
            --container-w: 1200px;
            --space-section: 100px;
            --transition: all .3s ease;
            --font-title: 'Playfair Display', 'Noto Serif SC', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--green-deep);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--clay);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        /* ============ 容器 / 通用 ============ */
        .container {
            max-width: var(--container-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 64px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--clay);
            background: rgba(201, 123, 74, 0.1);
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 18px;
            border: 1px solid rgba(201, 123, 74, 0.25);
        }

        .section-head h2 {
            font-family: var(--font-title);
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 600;
            color: var(--green-deep);
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.9;
        }

        .section-head.light h2 {
            color: var(--cream);
        }

        .section-head.light p {
            color: rgba(250, 246, 240, 0.72);
        }

        .section-head.light .section-eyebrow {
            background: rgba(250, 246, 240, 0.08);
            border-color: rgba(250, 246, 240, 0.18);
            color: var(--clay-light);
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 15px 36px;
            font-size: 15px;
            font-weight: 500;
            line-height: 1;
            border-radius: 60px;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 6px 20px rgba(30, 58, 52, 0.08);
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background-color: var(--green-deep);
            color: var(--cream);
            border-color: var(--green-deep);
        }

        .btn-primary:hover {
            background-color: var(--green-dark);
            color: var(--cream);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(30, 58, 52, 0.22);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--cream);
            border-color: rgba(250, 246, 240, 0.6);
        }

        .btn-outline:hover {
            background-color: var(--cream);
            color: var(--green-deep);
            border-color: var(--cream);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
        }

        .btn-light {
            background-color: var(--cream);
            color: var(--green-deep);
            border-color: var(--cream);
        }

        .btn-light:hover {
            background-color: var(--clay);
            color: var(--cream);
            border-color: var(--clay);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(201, 123, 74, 0.32);
        }

        .btn-outline-light {
            background-color: transparent;
            color: var(--cream);
            border-color: rgba(250, 246, 240, 0.5);
        }

        .btn-outline-light:hover {
            background-color: rgba(250, 246, 240, 0.12);
            color: var(--cream);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(201, 123, 74, 0.5);
            outline-offset: 3px;
        }

        /* ============ Header ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(250, 246, 240, 0.92);
            backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(30, 58, 52, 0.08);
        }

        .header-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--green-deep);
            line-height: 1;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--green-deep);
            color: var(--cream);
            font-size: 20px;
            font-weight: 600;
            border-radius: 50% 50% 12px 50%;
            box-shadow: 0 6px 16px rgba(30, 58, 52, 0.18);
        }

        .brand:hover {
            color: var(--green-deep);
        }

        /* ============ 导航 ============ */
        .main-nav {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link i {
            font-size: 11px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--clay);
            background: rgba(201, 123, 74, 0.08);
        }

        .nav-link.active {
            color: var(--green-deep);
            background: rgba(30, 58, 52, 0.08);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 4px;
            height: 2px;
            background: var(--clay);
            border-radius: 2px;
        }

        /* ============ Mega Menu ============ */
        .has-dropdown {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            width: 720px;
            background: var(--white);
            border-radius: 24px;
            border: 1px solid var(--line);
            box-shadow: 0 30px 80px rgba(30, 58, 52, 0.14);
            padding: 32px;
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
            z-index: 1200;
        }

        .has-dropdown:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.8fr;
            gap: 28px;
        }

        .mega-info h4 {
            font-family: var(--font-title);
            font-size: 20px;
            color: var(--green-deep);
            margin-bottom: 12px;
        }

        .mega-info p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .mega-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--clay);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .mega-link:hover {
            gap: 12px;
        }

        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            border-left: 1px solid var(--line);
            padding-left: 22px;
        }

        .mega-links a {
            font-size: 14px;
            color: var(--ink);
            padding: 6px 0;
            position: relative;
        }

        .mega-links a::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--clay);
            border-radius: 50%;
            display: inline-block;
            margin-right: 10px;
            transition: var(--transition);
        }

        .mega-links a:hover {
            color: var(--clay);
            padding-left: 4px;
        }

        .mega-card {
            border-radius: 18px;
            overflow: hidden;
            min-height: 160px;
        }

        .mega-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        /* ============ Header CTA ============ */
        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            font-size: 14px;
            font-weight: 500;
            color: var(--cream);
            background: var(--green-deep);
            border-radius: 40px;
            transition: var(--transition);
        }

        .header-cta:hover {
            background: var(--clay);
            color: var(--cream);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(201, 123, 74, 0.28);
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--green-deep);
            padding: 8px;
            border-radius: 12px;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 120px 0 100px;
            overflow: hidden;
            background-color: var(--green-dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .45;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(20, 43, 38, 0.94) 0%, rgba(20, 43, 38, 0.72) 50%, rgba(20, 43, 38, 0.45) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            text-align: left;
        }

        .hero-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            color: var(--clay-light);
            background: rgba(201, 123, 74, 0.14);
            border: 1px solid rgba(201, 123, 74, 0.3);
            padding: 7px 20px;
            border-radius: 40px;
            margin-bottom: 28px;
            text-transform: uppercase;
        }

        .hero h1 {
            font-family: var(--font-title);
            font-size: clamp(38px, 5.4vw, 64px);
            font-weight: 600;
            line-height: 1.2;
            color: var(--cream);
            margin-bottom: 24px;
        }

        .hero-sub {
            font-size: clamp(16px, 2vw, 19px);
            color: rgba(250, 246, 240, 0.8);
            line-height: 1.9;
            margin-bottom: 42px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-bottom: 52px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            border-top: 1px solid rgba(250, 246, 240, 0.2);
            padding-top: 22px;
        }

        .hero-meta span {
            font-size: 14px;
            color: rgba(250, 246, 240, 0.72);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-meta i {
            color: var(--clay-light);
            font-size: 16px;
        }

        /* ============ Value 板块 ============ */
        .value-section {
            background: var(--cream);
            border-bottom: 1px solid var(--line);
        }

        .value-grid {
            row-gap: 32px;
        }

        .value-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-arch);
            padding: 42px 36px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--clay), var(--clay-light));
            opacity: 0;
            transition: var(--transition);
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .value-card:hover::before {
            opacity: 1;
        }

        .value-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(30, 58, 52, 0.08), rgba(201, 123, 74, 0.1));
            border-radius: 18px 18px 18px 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--green-deep);
            margin-bottom: 24px;
        }

        .value-card h3 {
            font-family: var(--font-title);
            font-size: 22px;
            color: var(--green-deep);
            margin-bottom: 14px;
            font-weight: 600;
        }

        .value-card p {
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.85;
        }

        /* ============ Services 板块 ============ */
        .service-section {
            background: var(--white);
            border-bottom: 1px solid var(--line);
        }

        .service-grid {
            row-gap: 30px;
        }

        .service-card {
            transition: var(--transition);
        }

        .service-card-inner {
            background: var(--cream);
            border: 1px solid var(--line);
            border-radius: var(--radius-arch);
            padding: 36px 30px;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            transition: var(--transition);
        }

        .service-card-inner:hover {
            background: var(--green-deep);
            border-color: var(--green-deep);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            background: var(--white);
            border-radius: 16px 16px 16px 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--clay);
            margin-bottom: 22px;
            box-shadow: 0 6px 16px rgba(30, 58, 52, 0.06);
            transition: var(--transition);
        }

        .service-card-inner:hover .service-icon {
            background: var(--clay);
            color: var(--cream);
            box-shadow: 0 8px 20px rgba(201, 123, 74, 0.3);
        }

        .service-card-inner h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 600;
            color: var(--green-deep);
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .service-card-inner p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            transition: var(--transition);
        }

        .service-card-inner:hover h3 {
            color: var(--cream);
        }

        .service-card-inner:hover p {
            color: rgba(250, 246, 240, 0.75);
        }

        /* ============ Process 板块 ============ */
        .process-section {
            background: var(--cream-dark);
        }

        .process-list {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            padding-left: 0;
        }

        .process-item {
            display: flex;
            gap: 30px;
            position: relative;
            padding-bottom: 44px;
        }

        .process-line {
            position: absolute;
            left: 38px;
            top: 76px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--clay), var(--line));
            opacity: .6;
        }

        .process-index {
            flex-shrink: 0;
            width: 76px;
            height: 76px;
            background: var(--white);
            border: 2px solid var(--clay);
            border-radius: 24px 24px 24px 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--clay);
            box-shadow: 0 10px 24px rgba(201, 123, 74, 0.12);
            z-index: 2;
        }

        .process-body {
            background: var(--white);
            border-radius: var(--radius-arch);
            padding: 28px 34px;
            flex: 1;
            border: 1px solid var(--line);
            transition: var(--transition);
        }

        .process-body:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateY(-4px);
        }

        .process-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .process-head h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 600;
            color: var(--green-deep);
        }

        .process-duration {
            font-size: 13px;
            font-weight: 500;
            color: var(--clay);
            background: rgba(201, 123, 74, 0.1);
            padding: 5px 14px;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .process-body p {
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ============ Scenarios 板块 ============ */
        .scenario-section {
            background: var(--green-deep);
            border-bottom: 1px solid var(--green-dark);
        }

        .scenario-section .section-head h2 {
            color: var(--cream);
        }

        .scenario-section .section-head p {
            color: rgba(250, 246, 240, 0.7);
        }

        .scenario-grid {
            row-gap: 28px;
        }

        .scenario-card {
            background: var(--cream);
            border-radius: var(--radius-arch);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(250, 246, 240, 0.06);
        }

        .scenario-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 28px 60px rgba(0, 0, 0, 0.25);
        }

        .scenario-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

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

        .scenario-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(30, 58, 52, 0.5));
        }

        .scenario-tag {
            position: absolute;
            left: 16px;
            bottom: 14px;
            background: rgba(250, 246, 240, 0.92);
            color: var(--green-deep);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
            z-index: 2;
            letter-spacing: 1px;
        }

        .scenario-body {
            padding: 26px 24px 30px;
        }

        .scenario-body h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 600;
            color: var(--green-deep);
            margin-bottom: 10px;
        }

        .scenario-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        /* ============ Evidence 板块 ============ */
        .evidence-section {
            position: relative;
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
            background-color: var(--cream-dark);
            overflow: hidden;
        }

        .evidence-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .1;
        }

        .evidence-content {
            position: relative;
            z-index: 2;
        }

        .stat-grid {
            margin-bottom: 70px;
            max-width: 880px;
            margin-left: auto;
            margin-right: auto;
        }

        .stat-item {
            text-align: center;
            padding: 34px 20px;
        }

        .stat-num {
            display: block;
            font-family: var(--font-title);
            font-size: clamp(40px, 5vw, 58px);
            font-weight: 700;
            color: var(--green-deep);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--muted);
            letter-spacing: 1px;
        }

        .evidence-cards .cell {
            margin-bottom: 22px;
        }

        .evidence-card {
            background: var(--white);
            border-radius: var(--radius-arch);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--line);
        }

        .evidence-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .evidence-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .evidence-card-body {
            padding: 24px 26px 28px;
            position: relative;
        }

        .hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--clay);
            background: rgba(201, 123, 74, 0.12);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .hot-badge i {
            font-size: 13px;
        }

        .evidence-card h4 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 600;
            color: var(--green-deep);
            margin-bottom: 8px;
        }

        .evidence-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        /* ============ FAQ 板块 ============ */
        .faq-section {
            background: var(--white);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 26px 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--green-deep);
            text-align: left;
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
        }

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

        .faq-question i {
            font-size: 16px;
            color: var(--clay);
            flex-shrink: 0;
            transition: transform .4s ease;
        }

        .faq-item.active .faq-question {
            color: var(--clay);
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .5s ease;
        }

        .faq-answer p {
            padding: 0 10px 28px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(120deg, var(--green-dark) 0%, var(--green-deep) 60%, #2B554C 100%);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            background: rgba(201, 123, 74, 0.12);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            left: 20%;
            bottom: -120px;
            width: 320px;
            height: 320px;
            background: rgba(201, 123, 74, 0.08);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
        }

        .cta-inner h2 {
            font-family: var(--font-title);
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 17px;
            color: rgba(250, 246, 240, 0.8);
            margin-bottom: 38px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 18px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--green-dark);
            padding: 70px 0 30px;
            border-top: 4px solid var(--clay);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .brand {
            color: var(--cream);
            margin-bottom: 18px;
        }

        .footer-brand .brand-mark {
            background: var(--clay);
            color: var(--cream);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(250, 246, 240, 0.55);
            line-height: 1.8;
            margin-top: 18px;
            max-width: 300px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 20px;
            letter-spacing: 1px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--clay);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(250, 246, 240, 0.55);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--clay-light);
            padding-left: 6px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(250, 246, 240, 0.55);
        }

        .footer-contact i {
            width: 30px;
            height: 30px;
            background: rgba(250, 246, 240, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--clay-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(250, 246, 240, 0.12);
            padding-top: 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(250, 246, 240, 0.4);
        }

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

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

        /* ============ 响应式 ============ */
        @media (min-width: 1024px) {
            .main-nav {
                margin: 0 auto;
            }
        }

        @media (max-width: 1023px) and (min-width: 769px) {
            .header-inner {
                gap: 16px;
            }

            .nav-link {
                padding: 10px 14px;
                font-size: 14px;
            }

            .header-cta {
                padding: 10px 18px;
                font-size: 13px;
            }

            .mega-panel {
                width: 620px;
                padding: 24px;
            }

            .mega-grid {
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 64px;
            }

            .header-inner {
                gap: 12px;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 44px;
                height: 44px;
            }

            .main-nav {
                position: absolute;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: var(--cream);
                border-bottom: 1px solid var(--line);
                box-shadow: 0 20px 40px rgba(30, 58, 52, 0.1);
                padding: 16px 24px 24px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: all .3s ease;
                border-radius: 0 0 24px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .main-nav.nav-open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-list {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                gap: 4px;
            }

            .nav-link {
                width: 100%;
                padding: 14px 12px;
                font-size: 15px;
                border-radius: 14px;
            }

            .nav-link.active::after {
                display: none;
            }

            .has-dropdown {
                width: 100%;
            }

            .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                border-left: 2px solid var(--clay);
                border-radius: 0 16px 16px 0;
                background: var(--white);
                padding: 16px 16px 16px 18px;
                margin: 6px 0 0 8px;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .mega-card {
                display: none;
            }

            .mega-links {
                border-left: none;
                padding-left: 0;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }

            .hero {
                min-height: auto;
                padding: 130px 0 70px;
            }

            .hero-meta {
                gap: 14px;
            }

            .process-item {
                gap: 14px;
                flex-direction: column;
            }

            .process-line {
                display: none;
            }

            .process-index {
                width: 60px;
                height: 60px;
                font-size: 20px;
                border-radius: 18px 18px 18px 6px;
            }

            .process-body {
                padding: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .evidence-cards,
            .scenario-grid,
            .value-grid {
                margin-left: 0;
                margin-right: 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                padding: 15px 28px;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .value-card,
            .service-card-inner {
                padding: 28px 22px;
            }

            .process-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .stat-grid {
                margin-bottom: 30px;
            }

            .stat-num {
                font-size: 36px;
            }

            .cta-actions {
                flex-direction: column;
            }
        }

        /* ============ 滚动滚动条 ============ */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--cream);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--green-mid);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--clay);
        }

        /* ============ 选中文本 ============ */
        ::selection {
            background: var(--clay);
            color: var(--cream);
        }

/* roulang page: article */
:root {
            --primary: #1E3D2F;
            --primary-dark: #142A20;
            --primary-light: #2D5A43;
            --accent: #D4763A;
            --accent-light: #F0B88C;
            --accent-dark: #B55D28;
            --cream: #FAF6F0;
            --white: #FFFFFF;
            --text: #22332B;
            --text-light: #5C6F66;
            --border: #E8E0D5;
            --shadow-sm: 0 2px 12px rgba(30, 61, 47, 0.06);
            --shadow: 0 8px 30px rgba(30, 61, 47, 0.10);
            --shadow-lg: 0 16px 48px rgba(30, 61, 47, 0.14);
            --radius-lg: 24px;
            --radius: 18px;
            --radius-sm: 10px;
            --transition: all 0.3s ease;
            --font-serif: 'Noto Serif SC', 'Playfair Display', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--cream);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { font-family: inherit; border: none; background: none; cursor: pointer; }
        ul, ol { list-style: none; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 32px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }
        .brand-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px; height: 38px;
            border-radius: 50% 50% 50% 8px;
            background: var(--accent);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(212, 118, 58, 0.3);
        }
        .main-nav { display: flex; align-items: center; }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-link:hover { background: var(--cream); color: var(--accent); }
        .nav-link.active { background: var(--primary); color: #fff; }
        .has-dropdown { position: relative; }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%);
            width: 680px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 24px;
            display: none;
            z-index: 999;
        }
        .has-dropdown:hover .mega-panel { display: block; }
        .mega-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: 24px; }
        .mega-info h4 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .mega-info p { font-size: 0.875rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
        .mega-link { color: var(--accent); font-size: 0.875rem; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
        .mega-link i { transition: transform 0.3s; }
        .mega-link:hover i { transform: translateX(4px); }
        .mega-links { display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
        .mega-links a {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text);
            transition: var(--transition);
        }
        .mega-links a:hover { background: var(--cream); color: var(--accent); }
        .mega-card img { border-radius: var(--radius-sm); object-fit: cover; height: 140px; width: 100%; }
        .nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(rgba(20, 42, 32, 0.84), rgba(20, 42, 32, 0.84)), url('/assets/images/backpic/back-1.webp') center/cover;
            color: #fff;
        }
        .breadcrumbs {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 24px;
        }
        .breadcrumbs a { color: rgba(255, 255, 255, 0.65); }
        .breadcrumbs a:hover { color: var(--accent-light); }
        .breadcrumbs .current { color: rgba(255, 255, 255, 0.9); }
        .article-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(1.75rem, 3.8vw, 2.9rem);
            line-height: 1.32;
            max-width: 820px;
            margin-bottom: 24px;
            font-weight: 700;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .meta-item i { color: var(--accent-light); }

        /* ===== Article Content ===== */
        .article-content-section { padding: 80px 0 60px; }
        .article-layout { max-width: 880px; margin: 0 auto; }
        .article-main {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px 56px;
        }
        .article-cover {
            border-radius: var(--radius);
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .article-body { font-size: 1.0625rem; line-height: 1.9; color: var(--text); }
        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 1.625rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--accent);
        }
        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 1.3125rem;
            color: var(--primary);
            margin: 2rem 0 0.75rem;
        }
        .article-body h4 {
            font-family: var(--font-serif);
            font-size: 1.125rem;
            color: var(--primary);
            margin: 1.5rem 0 0.5rem;
        }
        .article-body p { margin-bottom: 1.25rem; }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body ul,
        .article-body ol { margin: 1rem 0 1.5rem 1.5rem; }
        .article-body li { margin-bottom: 0.5rem; }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--cream);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body a { color: var(--accent-dark); text-decoration: underline; }
        .article-body a:hover { color: var(--accent); }
        .article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
        .article-body table th,
        .article-body table td { border: 1px solid var(--border); padding: 12px; text-align: left; }
        .article-body table th { background: var(--cream); font-family: var(--font-serif); color: var(--primary); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .tag {
            display: inline-block;
            padding: 6px 14px;
            background: var(--cream);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.8125rem;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

        .author-box {
            display: flex;
            gap: 18px;
            background: var(--cream);
            border-radius: var(--radius);
            padding: 24px;
            margin-top: 40px;
        }
        .author-avatar {
            flex-shrink: 0;
            width: 52px; height: 52px;
            border-radius: 50% 50% 50% 8px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
        }
        .author-info h4 {
            font-family: var(--font-serif);
            color: var(--primary);
            margin-bottom: 6px;
            font-size: 1.0625rem;
        }
        .author-info p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 8px; line-height: 1.6; }
        .author-info a {
            color: var(--accent);
            font-size: 0.875rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .author-info a i { transition: transform 0.3s; }
        .author-info a:hover i { transform: translateX(4px); }

        .not-found {
            text-align: center;
            padding: 80px 40px;
        }
        .not-found i { font-size: 3rem; color: var(--accent); margin-bottom: 20px; }
        .not-found h2 {
            font-family: var(--font-serif);
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found p { color: var(--text-light); margin-bottom: 28px; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.9375rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 118, 58, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 118, 58, 0.4);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* ===== Services Section ===== */
        .service-panel { padding: 80px 0; }
        .section-header { text-align: center; margin-bottom: 48px; }
        .section-eyebrow {
            display: inline-block;
            font-family: 'Playfair Display', var(--font-serif);
            font-size: 0.875rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.625rem, 3vw, 2.25rem);
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-header p { color: var(--text-light); max-width: 640px; margin: 0 auto; }
        .service-card { margin-bottom: 24px; }
        .service-card-inner {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }
        .service-card-inner:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .service-card-img { position: relative; overflow: hidden; }
        .service-card-img img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.5s ease; }
        .service-card-inner:hover .service-card-img img { transform: scale(1.05); }
        .service-icon {
            position: absolute;
            bottom: -22px;
            left: 24px;
            width: 48px; height: 48px;
            background: var(--accent);
            border-radius: 50% 50% 50% 10px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            box-shadow: 0 4px 14px rgba(212, 118, 58, 0.4);
            border: 3px solid var(--white);
        }
        .service-card-body { padding: 36px 24px 24px; }
        .service-card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .service-card-body p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
        .card-link {
            color: var(--accent);
            font-size: 0.875rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-link i { transition: transform 0.3s; }
        .card-link:hover i { transform: translateX(4px); }

        /* ===== FAQ Section ===== */
        .faq-panel {
            padding: 80px 0;
            background: var(--white);
        }
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            background: var(--white);
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover { border-color: var(--accent-light); }
        .faq-item.active { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            font-family: var(--font-serif);
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
        }
        .faq-question i {
            flex-shrink: 0;
            color: var(--accent);
            transition: transform 0.3s;
            font-size: 0.875rem;
        }
        .faq-item.active .faq-question i { transform: rotate(45deg); }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.9375rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA Section ===== */
        .cta-panel {
            padding: 96px 0;
            background: linear-gradient(rgba(20, 42, 32, 0.88), rgba(20, 42, 32, 0.88)), url('/assets/images/backpic/back-2.webp') center/cover;
            color: #fff;
            text-align: center;
        }
        .cta-panel h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            margin-bottom: 16px;
        }
        .cta-panel p { color: rgba(255, 255, 255, 0.8); max-width: 560px; margin: 0 auto 32px; }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .brand {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.5rem;
        }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; }
        .footer-title {
            font-family: var(--font-serif);
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { font-size: 0.9rem; transition: var(--transition); }
        .footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }
        .footer-contact i { color: var(--accent); width: 18px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
        }
        .footer-bottom a { color: var(--accent-light); }
        .footer-bottom a:hover { text-decoration: underline; }

        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-toggle { display: block; z-index: 1001; }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                padding: 16px 24px;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
                display: none;
            }
            .main-nav.open { display: block; }
            .nav-list { flex-direction: column; align-items: flex-start; gap: 4px; }
            .nav-link { width: 100%; padding: 12px 16px; }
            .has-dropdown .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                box-shadow: none;
                border: none;
                border-left: 2px solid var(--accent);
                border-radius: 0;
                padding: 12px 0 12px 20px;
                display: none;
            }
            .has-dropdown.open .mega-panel { display: block; }
            .mega-grid { grid-template-columns: 1fr; gap: 16px; }
            .mega-card img { height: 100px; }
            .article-main { padding: 28px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .article-hero { padding: 130px 0 60px; }
            .article-hero h1 { font-size: 1.625rem; }
            .article-meta { gap: 14px; }
            .article-main { padding: 20px; border-radius: var(--radius); }
            .article-body { font-size: 1rem; }
            .author-box { flex-direction: column; }
            .service-panel { padding: 60px 0; }
            .faq-panel { padding: 60px 0; }
            .cta-panel { padding: 70px 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .brand { font-size: 1.15rem; }
            .article-cover { margin-bottom: 20px; }
            .article-tags { gap: 8px; }
            .btn { width: 100%; justify-content: center; }
        }