/* roulang page: index */
:root {
            --tea-deep: #2D5A3D;
            --tea-mid: #3E7A55;
            --tea-soft: #5B9B6F;
            --tea-pale: #E8F0EA;
            --tea-cream: #F7F4EE;
            --tea-white: #FFFFFF;
            --gold: #C8A24A;
            --gold-light: #E5C97A;
            --gold-pale: #F7EEDB;
            --ink: #2C3E33;
            --ink-soft: #5A6B5F;
            --ink-muted: #8A978E;
            --border-soft: #E4DED2;
            --border-strong: #D5CDBD;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(45, 90, 61, 0.06);
            --shadow-md: 0 8px 30px rgba(45, 90, 61, 0.1);
            --shadow-lg: 0 20px 60px rgba(45, 90, 61, 0.14);
            --shadow-gold: 0 8px 28px rgba(200, 162, 74, 0.25);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --spacing-section: 88px;
            --spacing-section-lg: 110px;
            --transition-base: 0.28s cubic-bezier(0.4, 0.16, 0.2, 1);
            --transition-smooth: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            color: var(--ink);
            background-color: var(--tea-cream);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--tea-deep);
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--tea-mid);
        }
        a:focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-main);
            font-size: 1rem;
        }

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
            width: 100%;
        }

        .container {
            max-width: 1200px;
        }

        /* ============ Section Base ============ */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-lg {
            padding: var(--spacing-section-lg) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--tea-pale);
            color: var(--tea-deep);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 7px 18px;
            border-radius: 50px;
            margin-bottom: 18px;
        }
        .section-label i {
            font-size: 0.8rem;
            color: var(--gold);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.06rem;
            color: var(--ink-soft);
            max-width: 720px;
            margin-bottom: 40px;
            line-height: 1.85;
        }
        .section-desc.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(228, 222, 210, 0.7);
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 6px 30px rgba(45, 90, 61, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 12px;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.22rem;
            color: var(--tea-deep);
            white-space: nowrap;
        }
        .brand-link:hover {
            color: var(--tea-deep);
        }
        .brand-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--tea-deep), var(--tea-mid));
            color: var(--tea-white);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 14px rgba(45, 90, 61, 0.22);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-name {
            font-size: 1.1rem;
            font-weight: 700;
        }
        .brand-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--ink-muted);
            letter-spacing: 0.05em;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .header-nav li a {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: 50px;
            transition: all var(--transition-base);
        }
        .header-nav li a:hover,
        .header-nav li a.active {
            color: var(--tea-deep);
            background: var(--tea-pale);
        }
        .header-nav li a.active {
            font-weight: 600;
        }
        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--tea-deep), var(--tea-mid));
            color: var(--tea-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 11px 22px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(45, 90, 61, 0.25);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: linear-gradient(135deg, #264D34, #366B4A);
            color: var(--tea-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 90, 61, 0.32);
        }
        .header-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(45, 90, 61, 0.2);
        }
        .navbar-toggler-custom {
            display: none;
            background: var(--tea-pale);
            border: none;
            border-radius: 12px;
            width: 44px;
            height: 44px;
            color: var(--tea-deep);
            font-size: 1.3rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-base);
            flex-shrink: 0;
        }
        .navbar-toggler-custom:hover {
            background: #D8E8DD;
        }

        /* Mobile Nav Drawer */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 1060;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-nav-overlay.show {
            opacity: 1;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--tea-white);
            z-index: 1070;
            padding: 24px 20px;
            box-shadow: -12px 0 50px rgba(0, 0, 0, 0.18);
            transition: right var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-nav-panel.show {
            right: 0;
        }
        .mobile-nav-panel .close-btn {
            align-self: flex-end;
            background: var(--tea-pale);
            border: none;
            border-radius: 10px;
            width: 40px;
            height: 40px;
            color: var(--tea-deep);
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }
        .mobile-nav-panel a {
            padding: 14px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--ink);
            border-radius: 12px;
            transition: all var(--transition-base);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--tea-pale);
            color: var(--tea-deep);
        }
        .mobile-nav-panel .btn-join {
            margin-top: auto;
            background: linear-gradient(135deg, var(--tea-deep), var(--tea-mid));
            color: var(--tea-white);
            text-align: center;
            padding: 14px;
            border-radius: 14px;
            font-weight: 600;
            font-size: 1rem;
            margin-top: 20px;
        }
        .mobile-nav-panel .btn-join:hover {
            color: var(--tea-white);
            background: linear-gradient(135deg, #264D34, #366B4A);
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            padding: 54px 0 68px;
            overflow: hidden;
            background: linear-gradient(170deg, #FDFDFB 0%, #F4F1E8 40%, #EDF2EA 100%);
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: -160px;
            right: -120px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(200, 162, 74, 0.14) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            bottom: -220px;
            left: -140px;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(45, 90, 61, 0.09) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 880px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold-pale);
            color: #8A6D2F;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 50px;
            margin-bottom: 22px;
            letter-spacing: 0.04em;
        }
        .hero-badge i {
            color: var(--gold);
        }
        .hero-title {
            font-size: 2.45rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 22px;
            letter-spacing: -0.015em;
        }
        .hero-title .highlight {
            color: var(--tea-deep);
            background: linear-gradient(180deg, transparent 62%, rgba(200, 162, 74, 0.35) 62%);
            padding: 0 4px;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--ink-soft);
            line-height: 1.9;
            max-width: 720px;
            margin: 0 auto 30px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--tea-deep), var(--tea-mid));
            color: var(--tea-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(45, 90, 61, 0.3);
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #264D34, #366B4A);
            color: var(--tea-white);
            transform: translateY(-2px);
            box-shadow: 0 10px 34px rgba(45, 90, 61, 0.38);
        }
        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--tea-white);
            color: var(--tea-deep);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 50px;
            border: 2px solid var(--border-strong);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .btn-secondary-custom:hover {
            border-color: var(--tea-deep);
            color: var(--tea-deep);
            background: var(--tea-pale);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            flex-wrap: wrap;
            background: var(--tea-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-soft);
            margin-bottom: 36px;
        }
        .hero-stat-item {
            flex: 1 1 0;
            min-width: 140px;
            padding: 8px 20px;
            text-align: center;
            border-right: 1px solid var(--border-soft);
            transition: transform var(--transition-base);
        }
        .hero-stat-item:last-child {
            border-right: none;
        }
        .hero-stat-item:hover {
            transform: translateY(-3px);
        }
        .hero-stat-value {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--tea-deep);
            line-height: 1.2;
        }
        .hero-stat-value span {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--gold);
            margin-left: 2px;
        }
        .hero-stat-label {
            font-size: 0.86rem;
            color: var(--ink-muted);
            margin-top: 4px;
        }
        .hero-icon-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
            max-width: 720px;
            margin: 0 auto;
        }
        .hero-icon-item {
            background: var(--tea-white);
            border-radius: var(--radius-md);
            padding: 16px 10px;
            text-align: center;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .hero-icon-item:hover {
            transform: translateY(-4px);
            border-color: var(--gold-light);
            box-shadow: var(--shadow-md);
        }
        .hero-icon-item i {
            font-size: 1.5rem;
            color: var(--tea-mid);
            display: block;
            margin-bottom: 8px;
        }
        .hero-icon-item span {
            font-size: 0.8rem;
            color: var(--ink-soft);
            font-weight: 500;
            display: block;
        }

        /* ============ Voucher Grid Section ============ */
        .voucher-section {
            background: var(--tea-white);
        }
        .voucher-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .voucher-card {
            position: relative;
            background: linear-gradient(165deg, #FFFFFF 0%, #FBF9F4 100%);
            border: 1.5px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            transition: all var(--transition-base);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .voucher-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--tea-deep), var(--gold));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }
        .voucher-card:hover {
            transform: translateY(-6px);
            border-color: var(--gold-light);
            box-shadow: var(--shadow-md);
        }
        .voucher-card:hover::before {
            transform: scaleX(1);
        }
        .voucher-card .voucher-icon {
            width: 52px;
            height: 52px;
            background: var(--tea-pale);
            color: var(--tea-deep);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .voucher-card .voucher-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--gold);
            background: var(--gold-pale);
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }
        .voucher-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .voucher-card p {
            font-size: 0.92rem;
            color: var(--ink-soft);
            margin-bottom: 14px;
            line-height: 1.7;
        }
        .voucher-card .voucher-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px dashed var(--border-strong);
            font-size: 0.8rem;
            color: var(--ink-muted);
        }
        .voucher-card .voucher-foot .exp {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .voucher-card .voucher-foot .exp i {
            font-size: 0.75rem;
        }

        /* ============ Rules Section ============ */
        .rules-section {
            background: linear-gradient(180deg, var(--tea-cream) 0%, #EFEDE6 100%);
            position: relative;
            overflow: hidden;
        }
        .rules-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(200, 162, 74, 0.1) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .rules-wrapper {
            position: relative;
            z-index: 1;
        }
        .rules-card {
            background: var(--tea-white);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-soft);
            margin-bottom: 40px;
        }
        .rules-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 36px;
        }
        .rule-step {
            text-align: center;
            padding: 22px 16px;
            background: var(--tea-cream);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .rule-step:hover {
            background: var(--tea-pale);
            border-color: var(--tea-soft);
            transform: translateY(-3px);
        }
        .rule-step .step-num {
            width: 42px;
            height: 42px;
            background: var(--tea-deep);
            color: var(--tea-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.05rem;
            margin: 0 auto 12px;
            box-shadow: 0 4px 14px rgba(45, 90, 61, 0.25);
        }
        .rule-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .rule-step p {
            font-size: 0.88rem;
            color: var(--ink-soft);
            margin-bottom: 0;
            line-height: 1.65;
        }
        .rules-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
        }
        .compare-col {
            padding: 28px 30px;
        }
        .compare-col.before {
            background: #FAF7F2;
        }
        .compare-col.after {
            background: var(--tea-pale);
        }
        .compare-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-col.before h4 {
            color: var(--ink-muted);
        }
        .compare-col.after h4 {
            color: var(--tea-deep);
        }
        .compare-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-col ul li {
            font-size: 0.92rem;
            color: var(--ink-soft);
            padding: 7px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .compare-col.before ul li i {
            color: var(--ink-muted);
            font-size: 0.85rem;
            margin-top: 4px;
        }
        .compare-col.after ul li i {
            color: var(--tea-mid);
            font-size: 0.85rem;
            margin-top: 4px;
        }
        .faq-subsection {
            margin-top: 40px;
        }
        .faq-subsection .faq-subtitle {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-subsection .faq-subtitle i {
            color: var(--gold);
        }
        .faq-item {
            background: var(--tea-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--gold-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-item h5 i {
            color: var(--gold);
            font-size: 0.9rem;
            margin-top: 4px;
        }
        .faq-item p {
            font-size: 0.94rem;
            color: var(--ink-soft);
            margin-bottom: 0;
            padding-left: 26px;
            line-height: 1.75;
        }

        /* ============ News Section ============ */
        .news-section {
            background: var(--tea-white);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 36px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--tea-cream);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }
        .news-list-item:hover {
            border-color: var(--gold-light);
            background: var(--tea-white);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .news-list-item .news-thumb {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--tea-pale);
        }
        .news-list-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-info h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 5px;
            line-height: 1.45;
        }
        .news-list-item .news-info h4 a {
            color: var(--ink);
            transition: color var(--transition-base);
        }
        .news-list-item .news-info h4 a:hover {
            color: var(--tea-deep);
        }
        .news-list-item .news-meta {
            font-size: 0.8rem;
            color: var(--ink-muted);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .news-list-item .news-meta i {
            font-size: 0.72rem;
            margin-right: 3px;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-sidebar-card {
            background: linear-gradient(165deg, #FBF9F4 0%, #F1EFE6 100%);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }
        .news-sidebar-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .news-sidebar-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .news-sidebar-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-sidebar-card:hover .card-img img {
            transform: scale(1.05);
        }
        .news-sidebar-card .card-body {
            padding: 20px;
        }
        .news-sidebar-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .news-sidebar-card .card-body p {
            font-size: 0.9rem;
            color: var(--ink-soft);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .news-sidebar-card .card-tag {
            display: inline-block;
            font-size: 0.74rem;
            font-weight: 600;
            color: var(--tea-deep);
            background: var(--tea-pale);
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(38, 77, 52, 0.92) 0%, rgba(45, 90, 61, 0.88) 45%, rgba(74, 110, 83, 0.82) 100%);
            z-index: 1;
        }
        .cta-overlay-content {
            position: relative;
            z-index: 2;
            color: var(--tea-white);
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--tea-white);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 32px;
        }
        .cta-form-wrapper {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
        }
        .cta-form-wrapper .form-label {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.88rem;
            font-weight: 500;
        }
        .cta-form-wrapper .form-control {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--tea-white);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }
        .cta-form-wrapper .form-control::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-form-wrapper .form-control:focus {
            background: rgba(255, 255, 255, 0.22);
            border-color: var(--gold-light);
            box-shadow: 0 0 0 4px rgba(200, 162, 74, 0.22);
            color: var(--tea-white);
            outline: none;
        }
        .cta-form-wrapper select.form-control option {
            color: var(--ink);
            background: var(--tea-white);
        }
        .btn-submit-cta {
            width: 100%;
            background: linear-gradient(135deg, var(--gold), #E5C97A);
            color: #3F3A2C;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(200, 162, 74, 0.35);
            letter-spacing: 0.02em;
        }
        .btn-submit-cta:hover {
            background: linear-gradient(135deg, #D4AF55, #F0D589);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(200, 162, 74, 0.45);
        }
        .cta-note {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 10px;
            text-align: center;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #1E3328;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 30px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-link {
            color: var(--tea-white);
            font-size: 1.25rem;
            margin-bottom: 12px;
        }
        .footer-brand .brand-link:hover {
            color: var(--tea-white);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 300px;
        }
        .footer-col h5 {
            color: var(--tea-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 72px;
                --spacing-section-lg: 88px;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .voucher-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .rules-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --spacing-section-lg: 68px;
            }
            .header-inner {
                padding: 12px 8px;
            }
            .brand-name {
                font-size: 0.95rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .brand-sub {
                display: none;
            }
            .header-nav {
                display: none;
            }
            .header-cta {
                font-size: 0.82rem;
                padding: 9px 16px;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-nav-overlay.show {
                display: block;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .hero-section {
                padding: 38px 0 52px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.98rem;
                line-height: 1.8;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 0;
                padding: 16px 10px;
            }
            .hero-stat-item {
                flex: 1 1 50%;
                min-width: 130px;
                padding: 10px 12px;
                border-right: none;
                border-bottom: 1px solid var(--border-soft);
            }
            .hero-stat-item:nth-child(odd) {
                border-right: 1px solid var(--border-soft);
            }
            .hero-stat-item:nth-child(3),
            .hero-stat-item:nth-child(4) {
                border-bottom: none;
            }
            .hero-stat-value {
                font-size: 1.35rem;
            }
            .hero-icon-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-icon-item {
                padding: 12px 8px;
            }
            .hero-icon-item i {
                font-size: 1.2rem;
            }
            .hero-icon-item span {
                font-size: 0.72rem;
            }
            .voucher-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .rules-card {
                padding: 26px 20px;
                border-radius: var(--radius-lg);
            }
            .rules-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .rules-compare {
                grid-template-columns: 1fr;
            }
            .compare-col {
                padding: 20px 22px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .cta-section {
                background-attachment: scroll;
                padding: 60px 0;
            }
            .cta-title {
                font-size: 1.55rem;
            }
            .cta-form-wrapper {
                padding: 22px 18px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
                justify-content: center;
                font-size: 0.9rem;
                padding: 12px 20px;
            }
            .hero-stats {
                gap: 0;
            }
            .hero-stat-item {
                flex: 1 1 100%;
                border-right: none !important;
                border-bottom: 1px solid var(--border-soft);
            }
            .hero-stat-item:last-child {
                border-bottom: none;
            }
            .hero-icon-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .voucher-card {
                padding: 20px 18px;
            }
            .voucher-card h3 {
                font-size: 1.05rem;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .faq-item h5 {
                font-size: 0.92rem;
            }
            .faq-item p {
                font-size: 0.88rem;
                padding-left: 0;
            }
            .news-sidebar-card .card-img {
                height: 140px;
            }
            .cta-desc {
                font-size: 0.95rem;
            }
            .cta-form-wrapper .form-control {
                font-size: 0.88rem;
                padding: 10px 14px;
            }
            .btn-submit-cta {
                font-size: 0.9rem;
                padding: 11px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}