/* roulang page: index */
:root {
            --primary: #1a6b4e;
            --primary-dark: #104a36;
            --primary-light: #eaf5f0;
            --accent: #c9a96a;
            --accent-light: #f5eedc;
            --bg: #faf9f5;
            --white: #ffffff;
            --dark: #1e2a25;
            --text: #33423c;
            --text-light: #6b7a74;
            --border: #e9edea;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 6px 24px rgba(26, 107, 78, 0.07);
            --shadow-hover: 0 12px 36px rgba(26, 107, 78, 0.12);
            --transition: all .3s ease;
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-label .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            letter-spacing: .5px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            max-width: 640px;
            margin-top: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 100px;
            padding: 14px 32px;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.2;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(26, 107, 78, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 107, 78, 0.35);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(201, 169, 106, 0.25);
        }
        .btn-accent:hover {
            background: #b09050;
            transform: translateY(-2px);
        }
        .btn-outline {
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: var(--white);
            backdrop-filter: blur(6px);
            background: rgba(255, 255, 255, .08);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .18);
            border-color: var(--white);
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            border: 1.5px solid var(--border);
            color: var(--text);
            background: var(--white);
        }
        .btn-outline-dark:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border), transparent);
            border: none;
            margin: 0;
        }

        /* ---------- Header / Nav ---------- */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 20px 0;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 4px 24px rgba(0, 0, 0, .08);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 1px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-logo i {
            color: var(--accent);
            font-size: 22px;
        }
        .site-header.scrolled .brand-logo {
            color: var(--dark);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, .9);
            border-radius: 100px;
            position: relative;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 60%;
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
        }
        .site-header.scrolled .nav-link {
            color: var(--text);
        }
        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }
        .header-cta {
            font-size: 14px;
            padding: 10px 24px;
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
            animation: heroZoom 18s ease alternate infinite;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.08);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg,
                    rgba(16, 45, 36, .92) 0%,
                    rgba(16, 45, 36, .72) 55%,
                    rgba(16, 45, 36, .4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 140px;
            padding-bottom: 80px;
            text-align: left;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            backdrop-filter: blur(8px);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 8px 20px;
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, .2);
            margin-bottom: 24px;
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hero-stats li {
            padding: 0 28px;
            border-right: 1px solid rgba(255, 255, 255, .2);
        }
        .hero-stats li:first-child {
            padding-left: 0;
        }
        .hero-stats li:last-child {
            border-right: none;
        }
        .hero-stats .num {
            font-size: 30px;
            font-weight: 800;
            color: var(--white);
            display: block;
            line-height: 1.2;
        }
        .hero-stats .num i {
            color: var(--accent);
            font-size: 20px;
            margin-right: 4px;
        }
        .hero-stats .label {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            letter-spacing: 1px;
        }

        /* ---------- Metrics ---------- */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 8px;
        }
        .metric-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .metric-card:hover::before {
            opacity: 1;
        }
        .metric-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .metric-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 20px;
        }
        .metric-card .num {
            font-size: 38px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
        }
        .metric-card .num span {
            font-size: 18px;
            color: var(--accent);
            font-weight: 600;
        }
        .metric-card .label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 8px;
        }

        /* ---------- Tea Track ---------- */
        .track-wrap {
            position: relative;
            overflow-x: auto;
            padding: 20px 4px 30px;
            scrollbar-width: 6px;
            scrollbar-color: var(--border) transparent;
        }
        .track-wrap::-webkit-scrollbar {
            height: 6px;
        }
        .track-wrap::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        .track-wrap::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-row {
            display: flex;
            gap: 24px;
            min-width: max-content;
            padding: 0 4px;
        }
        .track-card {
            width: 280px;
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .track-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .track-card .track-img {
            height: 160px;
            overflow: hidden;
        }
        .track-card .track-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .track-card:hover .track-img img {
            transform: scale(1.06);
        }
        .track-card .track-body {
            padding: 18px 20px 22px;
        }
        .track-card .track-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--accent);
            background: var(--accent-light);
            padding: 3px 12px;
            border-radius: 100px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .track-card .track-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .track-card .track-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ---------- Featured ---------- */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .featured-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .featured-card .featured-img {
            height: 220px;
            overflow: hidden;
        }
        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .featured-card:hover .featured-img img {
            transform: scale(1.05);
        }
        .featured-card .featured-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card .featured-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 14px;
            border-radius: 100px;
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .featured-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .featured-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .featured-card .feat-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .featured-card .feat-meta i {
            color: var(--accent);
        }

        /* ---------- Topics ---------- */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .topic-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .topic-card .topic-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 26px;
            background: var(--primary-light);
            color: var(--primary);
            transition: var(--transition);
        }
        .topic-card:hover .topic-icon {
            background: var(--primary);
            color: var(--white);
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .topic-card .topic-link {
            display: inline-block;
            margin-top: 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .topic-card .topic-link:hover {
            color: var(--accent);
        }

        /* ---------- Services ---------- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .service-card .service-index {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 48px;
            font-weight: 800;
            color: var(--border);
            line-height: 1;
            transition: var(--transition);
        }
        .service-card:hover .service-index {
            color: var(--primary-light);
        }
        .service-card .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ---------- Compare ---------- */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .compare-col {
            padding: 48px 44px;
        }
        .compare-col.traditional {
            background: var(--bg);
        }
        .compare-col.modern {
            background: var(--primary);
            color: rgba(255, 255, 255, .9);
        }
        .compare-col h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
        }
        .compare-col.modern h3 {
            color: var(--white);
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .compare-list li i {
            margin-top: 4px;
            font-size: 14px;
        }
        .compare-col.traditional .compare-list li i {
            color: #d48383;
        }
        .compare-col.modern .compare-list li i {
            color: var(--accent);
        }

        /* ---------- News ---------- */
        .news-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 48px;
        }
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--border);
            padding: 24px 0;
            transition: var(--transition);
        }
        .news-list li:last-child {
            border-bottom: none;
        }
        .news-list a {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }
        .news-list .news-img {
            width: 120px;
            height: 84px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-list .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list .news-body {
            flex: 1;
        }
        .news-list h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
            transition: var(--transition);
            line-height: 1.4;
        }
        .news-list a:hover h3 {
            color: var(--primary);
        }
        .news-list .news-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 14px;
        }
        .news-list .news-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .news-sidebar .sidebar-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 16px;
        }
        .sidebar-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-list a {
            font-size: 13px;
            color: var(--text);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 100px;
            transition: var(--transition);
        }
        .sidebar-card .tag-list a:hover {
            background: var(--primary);
            color: var(--white);
        }
        .sidebar-card .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card .hot-list li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            line-height: 1.5;
        }
        .sidebar-card .hot-list li:last-child {
            border-bottom: none;
        }
        .sidebar-card .hot-list a {
            color: var(--text);
            display: flex;
            gap: 8px;
            align-items: baseline;
        }
        .sidebar-card .hot-list a:hover {
            color: var(--primary);
        }
        .sidebar-card .hot-list .rank {
            color: var(--accent);
            font-weight: 700;
            font-size: 13px;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 22px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            transition: var(--transition);
            background: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: var(--white);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-answer-inner {
            padding: 0 28px 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 18px;
        }

        /* ---------- CTA / Form ---------- */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .03);
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .cta-left .section-title {
            color: var(--white);
            font-size: 32px;
            margin-bottom: 16px;
        }
        .cta-left p {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .cta-left .cta-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cta-left .cta-contact-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
        }
        .cta-left .cta-contact-list i {
            color: var(--accent);
            font-size: 18px;
            width: 24px;
            text-align: center;
        }
        .cta-form-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, .2);
        }
        .cta-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .cta-form-card .form-sub {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 13px 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            transition: var(--transition);
            color: var(--text);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            background: var(--white);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 107, 78, .1);
            outline: none;
        }
        .form-group textarea {
            height: 90px;
            resize: vertical;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: var(--white);
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ---------- Comparison note ---------- */
        .compare-note {
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
            margin-top: 16px;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }
            .section-title {
                font-size: 30px;
            }
            .hero h1 {
                font-size: 38px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid,
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .hero {
                min-height: auto;
                padding-bottom: 40px;
            }
            .hero-content {
                padding-top: 120px;
                padding-bottom: 60px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-btns {
                flex-direction: column;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 12px;
            }
            .hero-stats li {
                border-right: none;
                padding: 8px 14px;
                background: rgba(255, 255, 255, .08);
                border-radius: 10px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
            }
            .compare-col {
                padding: 32px 24px;
            }
            .news-list a {
                flex-direction: column;
                gap: 12px;
            }
            .news-list .news-img {
                width: 100%;
                height: 160px;
            }
            .cta-form-card {
                padding: 28px 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .site-header {
                padding: 14px 0;
            }
            .site-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .brand-logo {
                font-size: 17px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .metrics-grid,
            .services-grid,
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-stats .num {
                font-size: 22px;
            }
            .track-card {
                width: 240px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            .hero-bg {
                animation: none;
            }
            .btn,
            .card,
            .metric-card,
            .featured-card,
            .topic-card,
            .service-card {
                transition: none;
            }
        }