/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-dark: #1e40af;
            --primary-light: #dbeafe;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f5f7fb;
            --surface: #ffffff;
            --text: #1f2937;
            --text-secondary: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.09);
            --transition: 0.25s ease;
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        /* Reset & Base */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus,
        input:focus,
        select:focus,
        a:focus-visible {
            outline: 3px solid rgba(26,86,219,0.35);
            outline-offset: 2px;
        }
        .container {
            max-width: 1140px;
        }

        /* Header / Nav */
        .navbar-tea {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .navbar-tea .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .navbar-tea .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(26,86,219,0.25);
        }
        .navbar-tea .navbar-nav {
            gap: 0.3rem;
        }
        .navbar-tea .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 999px;
            transition: all var(--transition);
        }
        .navbar-tea .nav-link:hover,
        .navbar-tea .nav-link:focus {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .navbar-tea .nav-link.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-search input[type="search"] {
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0.45rem 1rem 0.45rem 2.25rem;
            font-size: 0.9rem;
            min-width: 180px;
            background: var(--bg);
            color: var(--text);
            transition: all var(--transition);
            position: relative;
        }
        .nav-search input[type="search"]:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(26,86,219,0.12);
            outline: none;
        }
        .nav-search .search-icon {
            position: absolute;
            left: 1rem;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-brand {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.55rem 1.4rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(26,86,219,0.28);
            white-space: nowrap;
        }
        .btn-brand:hover,
        .btn-brand:focus {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(26,86,219,0.36);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border);
            padding: 0.5rem 1.25rem;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }

        /* Hero */
        .hero-tea {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 5rem 0 4.5rem;
            color: #fff;
        }
        .hero-tea::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(125deg, rgba(11,26,58,0.88) 0%, rgba(18,48,108,0.72) 45%, rgba(26,86,219,0.55) 100%);
        }
        .hero-tea .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.28);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.4rem 1.1rem;
            border-radius: 999px;
            margin-bottom: 1.25rem;
        }
        .hero-badge .dot-live {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #34d399;
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.5); }
        }
        .hero-tea h1 {
            font-size: clamp(1.9rem, 4.2vw, 3.15rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 1.25rem;
            max-width: 680px;
        }
        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            max-width: 620px;
            color: rgba(255,255,255,0.88);
            margin-bottom: 1.75rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            margin-bottom: 2.5rem;
        }
        .btn-hero-primary {
            background: #fff;
            color: var(--primary-dark);
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(0,0,0,0.18);
            white-space: nowrap;
        }
        .btn-hero-primary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(0,0,0,0.22);
        }
        .btn-hero-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.5);
            padding: 0.7rem 1.8rem;
            border-radius: 999px;
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-hero-ghost:hover {
            background: rgba(255,255,255,0.12);
            border-color: rgba(255,255,255,0.75);
            color: #fff;
        }
        .countdown-wrapper {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.22);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 1.5rem 2rem;
            display: inline-block;
        }
        .countdown-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
        }
        .countdown-display {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .count-unit {
            text-align: center;
            min-width: 68px;
        }
        .count-unit .num {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.2;
            display: block;
            font-variant-numeric: tabular-nums;
        }
        .count-unit .lbl {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.7);
        }
        .count-sep {
            font-size: 2rem;
            font-weight: 700;
            color: rgba(255,255,255,0.55);
            line-height: 1;
            padding-top: 0.15rem;
        }
        .hero-swiper {
            margin-top: 2rem;
        }
        .swiper-dots {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .swiper-dots .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255,255,255,0.4);
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            padding: 0;
        }
        .swiper-dots .dot.active {
            background: #fff;
            transform: scale(1.25);
            box-shadow: 0 0 10px rgba(255,255,255,0.5);
        }
        .swiper-text {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
            min-height: 1.7em;
        }
        .swiper-text .swiper-item {
            display: none;
        }
        .swiper-text .swiper-item.active {
            display: block;
            animation: fade-up 0.4s ease;
        }
        @keyframes fade-up {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Section Common */
        .section {
            padding: 4.5rem 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 0.9rem;
        }
        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.9rem;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
        }

        /* Steps / Play */
        .play-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2.5rem;
            position: relative;
        }
        .play-steps::before {
            content: '';
            position: absolute;
            top: 2.4rem;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }
        .step-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 14px rgba(26,86,219,0.3);
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Price ladder */
        .price-ladder {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 2rem 2.25rem;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            box-shadow: var(--shadow);
            margin-top: 2.5rem;
        }
        .price-ladder .pl-title {
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            font-size: 0.95rem;
        }
        .pl-items {
            display: flex;
            gap: 1.25rem;
            flex-wrap: wrap;
            flex: 1;
        }
        .pl-item {
            text-align: center;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: all var(--transition);
            min-width: 90px;
        }
        .pl-item:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
        }
        .pl-item .pl-count {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 0.2rem;
        }
        .pl-item .pl-price {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
        }
        .pl-item .pl-unit {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .pl-item.highlight {
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(26,86,219,0.3);
        }
        .pl-item.highlight .pl-count,
        .pl-item.highlight .pl-unit {
            color: rgba(255,255,255,0.75);
        }
        .pl-item.highlight .pl-price {
            color: #fff;
        }

        /* Stats Strip */
        .stats-strip {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 1.8rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* Cards */
        .card-tea {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
        }
        .card-tea:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-tea:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-badge {
            position: absolute;
            top: 0.9rem;
            left: 0.9rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
        }
        .card-body-tea {
            padding: 1.5rem;
        }
        .card-body-tea h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            line-height: 1.45;
        }
        .card-body-tea .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .progress-tea {
            height: 6px;
            background: var(--border);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }
        .progress-tea .bar {
            height: 100%;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 999px;
            transition: width 0.6s ease;
        }
        .card-price-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .card-price {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
        }
        .card-price .orig {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-decoration: line-through;
            font-weight: 400;
            margin-left: 0.4rem;
        }
        .btn-sm-brand {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.45rem 1.15rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-sm-brand:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        /* News Section */
        .news-list {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .news-list .news-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 0.5rem;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            border-radius: var(--radius-sm);
        }
        .news-list .news-item:last-child {
            border-bottom: none;
        }
        .news-list .news-item:hover {
            background: var(--primary-soft);
            padding-left: 0.9rem;
        }
        .news-num {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--text-muted);
            background: var(--bg);
        }
        .news-list .news-item:nth-child(1) .news-num {
            background: var(--primary);
            color: #fff;
        }
        .news-list .news-item:nth-child(2) .news-num {
            background: #3b82f6;
            color: #fff;
        }
        .news-list .news-item:nth-child(3) .news-num {
            background: #60a5fa;
            color: #fff;
        }
        .news-list .news-title {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.5;
            flex: 1;
        }
        .news-list .news-item:hover .news-title {
            color: var(--primary);
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .news-side-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 100%;
        }
        .news-side-card .ns-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .news-side-card .ns-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-side-card .ns-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        .news-side-card .ns-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .news-side-card .ns-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        /* CTA / Form Section */
        .cta-tea {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 4.5rem 0;
        }
        .cta-tea::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(9,22,52,0.91) 0%, rgba(18,48,108,0.78) 100%);
        }
        .cta-tea .container {
            position: relative;
            z-index: 2;
        }
        .cta-card {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.18);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 2.25rem;
            color: #fff;
        }
        .cta-card .form-label {
            color: rgba(255,255,255,0.8);
            font-size: 0.88rem;
            font-weight: 500;
        }
        .cta-card input,
        .cta-card select {
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            color: #fff;
            padding: 0.7rem 1rem;
            width: 100%;
            transition: all var(--transition);
        }
        .cta-card input::placeholder {
            color: rgba(255,255,255,0.55);
        }
        .cta-card input:focus,
        .cta-card select:focus {
            border-color: rgba(255,255,255,0.55);
            background: rgba(255,255,255,0.18);
            box-shadow: 0 0 0 3px rgba(255,255,255,0.15);
            outline: none;
        }
        .cta-card select option {
            color: var(--text);
            background: #fff;
        }
        .btn-cta-submit {
            background: #fff;
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-sm);
            padding: 0.75rem 1.6rem;
            font-weight: 700;
            font-size: 1rem;
            width: 100%;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(0,0,0,0.2);
        }
        .btn-cta-submit:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0,0,0,0.26);
        }
        .privacy-note {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.6);
            margin-top: 0.75rem;
        }
        .faq-tea .accordion-item {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
        }
        .faq-tea .accordion-button {
            background: transparent;
            color: #fff;
            padding: 1rem 1.25rem;
            font-weight: 500;
            font-size: 0.92rem;
        }
        .faq-tea .accordion-button:not(.collapsed) {
            background: rgba(255,255,255,0.12);
            color: #fff;
            box-shadow: none;
        }
        .faq-tea .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(255,255,255,0.35);
        }
        .faq-tea .accordion-body {
            background: rgba(0,0,0,0.18);
            color: rgba(255,255,255,0.82);
            font-size: 0.88rem;
            padding: 1rem 1.25rem;
        }
        .faq-tea .accordion-button::after {
            filter: invert(1) brightness(2);
        }

        /* Footer */
        .footer-tea {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3.5rem 0 2rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.95rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #94a3b8;
            max-width: 360px;
            line-height: 1.8;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links li {
            list-style: none;
            margin-bottom: 0.6rem;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.82rem;
            color: #64748b;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .play-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
            .play-steps::before {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .hero-tea {
                padding: 3.5rem 0 3rem;
            }
            .hero-tea h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .countdown-wrapper {
                padding: 1.2rem 1.4rem;
                width: 100%;
            }
            .count-unit {
                min-width: 52px;
            }
            .count-unit .num {
                font-size: 1.7rem;
            }
            .count-sep {
                font-size: 1.5rem;
            }
            .section {
                padding: 3rem 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .price-ladder {
                padding: 1.5rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .pl-items {
                width: 100%;
                justify-content: space-between;
            }
            .cta-card {
                padding: 1.5rem;
            }
            .navbar-tea .navbar-brand {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .nav-search {
                width: 100%;
                margin: 0.5rem 0;
            }
            .nav-search input[type="search"] {
                min-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-tea h1 {
                font-size: 1.45rem;
            }
            .hero-desc {
                font-size: 0.88rem;
                line-height: 1.75;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-ghost {
                width: 100%;
                text-align: center;
            }
            .countdown-display {
                gap: 0.4rem;
                justify-content: center;
            }
            .count-unit {
                min-width: 44px;
            }
            .count-unit .num {
                font-size: 1.35rem;
            }
            .count-unit .lbl {
                font-size: 0.7rem;
            }
            .count-sep {
                font-size: 1.25rem;
            }
            .play-steps {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-item .stat-num {
                font-size: 1.5rem;
            }
            .card-body-tea {
                padding: 1.15rem;
            }
            .news-list {
                padding: 1rem;
            }
            .news-list .news-item {
                padding: 0.85rem 0.4rem;
                gap: 0.7rem;
            }
            .news-date {
                display: none;
            }
            .cta-tea {
                padding: 3rem 0;
            }
            .cta-card {
                padding: 1.25rem;
            }
        }

/* 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}