/* roulang page: index */
:root {
            --primary: #FF6B35;
            --primary-50: #FFF4ED;
            --primary-100: #FFE6D5;
            --primary-200: #FFC9A8;
            --primary-300: #FFA87A;
            --primary-400: #FF844E;
            --primary-500: #FF6B35;
            --primary-600: #E65522;
            --primary-700: #C24416;
            --primary-800: #9E370F;
            --primary-900: #7F2E0D;
            --secondary: #0E7C7B;
            --secondary-50: #E5F4F4;
            --secondary-500: #0E7C7B;
            --accent: #FFB800;
            --bg: #FAF9F7;
            --dark: #1C1917;
            --text: #1C1917;
            --text-body: #44403C;
            --text-muted: #78716C;
            --border: #E7E5E4;
            --radius-card: 20px;
            --radius-sm: 16px;
            --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.06), 0 4px 12px rgba(28, 25, 23, 0.04);
            --shadow-hover: 0 4px 12px rgba(28, 25, 23, 0.08), 0 12px 32px rgba(28, 25, 23, 0.10);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            overflow-x: hidden;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all .3s ease-out;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all .3s ease-out;
        }

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

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(231, 229, 228, 0.65);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(28, 25, 23, 0.06);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, #FF6B35 0%, #FFB800 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }

        .logo-tagline {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 0.8px;
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 4px;
            margin-left: auto;
            margin-right: 18px;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-link {
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 999px;
            position: relative;
            transition: all .3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-50);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-50);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 999px;
            background: linear-gradient(90deg, #FF6B35, #FFB800);
        }

        .nav-cta {
            display: none;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .nav-cta {
                display: flex;
            }
        }

        .cart-btn-nav {
            position: relative;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: transparent;
            color: var(--text-body);
            transition: all .3s ease;
        }

        .cart-btn-nav:hover {
            background: var(--primary-50);
            color: var(--primary);
        }

        .cart-badge {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 18px;
            height: 18px;
            background: var(--primary);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: linear-gradient(135deg, #FF6B35, #FFB800);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 999px;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.28);
            transition: all .3s ease;
        }

        .btn-primary:hover {
            transform: scale(1.02);
            filter: brightness(1.05);
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.4);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .nav-link:focus-visible,
        .cart-btn-nav:focus-visible {
            outline: 2px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 9px 24px;
            border-radius: 999px;
            transition: all .3s ease;
        }

        .btn-outline:hover {
            background: var(--primary-50);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        /* ===== Mobile Nav ===== */
        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: transparent;
            color: var(--text);
            transition: all .3s ease;
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .hamburger-btn:hover {
            background: var(--primary-50);
            color: var(--primary);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 100;
            box-shadow: -8px 0 40px rgba(28, 25, 23, 0.15);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: right .35s ease;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(28, 25, 23, 0.45);
            z-index: 99;
            opacity: 0;
            visibility: hidden;
            transition: all .35s ease;
        }

        .drawer-mask.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer a {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            transition: all .3s ease;
        }

        .mobile-drawer a:hover {
            background: var(--primary-50);
            color: var(--primary);
        }

        .mobile-drawer a.active {
            background: var(--primary-50);
            color: var(--primary);
            font-weight: 600;
        }

        .drawer-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text);
            margin-bottom: 16px;
            transition: all .3s ease;
        }

        .drawer-close:hover {
            background: var(--primary-100);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #FFF4ED 0%, #FFE6D5 40%, #FFFFFF 100%);
            padding: 72px 0 48px;
            overflow: hidden;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.12;
            pointer-events: none;
        }

        .hero-bg-circle {
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 180, 0, 0.18) 0%, transparent 70%);
            top: -120px;
            right: -120px;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1.1fr 1fr;
                gap: 56px;
            }
        }

        .hero-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }

        @media (min-width: 640px) {
            .hero-title {
                font-size: 40px;
            }
        }

        @media (min-width: 1024px) {
            .hero-title {
                font-size: 48px;
            }
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
        }

        .hero-data {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
        }

        .hero-data-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .hero-visual {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid rgba(255, 255, 255, 0.6);
            background: #fff;
        }

        .hero-visual-bg {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        @media (min-width: 1024px) {
            .hero-visual-bg {
                min-height: 380px;
            }
        }

        .hero-visual-badge {
            position: absolute;
            top: 18px;
            right: 18px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-radius: 16px;
            padding: 12px 18px;
            box-shadow: 0 4px 20px rgba(28, 25, 23, 0.12);
            text-align: center;
        }

        .hero-badge-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .hero-badge-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        .hero-badges-row {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 48px;
            justify-content: center;
        }

        .hero-badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }

        .hero-badge-pill:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .hero-badge-pill svg {
            color: var(--primary);
        }

        /* ===== Section Header ===== */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-title-wrap {
            flex: 1;
            min-width: 260px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            position: relative;
            padding-left: 18px;
            margin-bottom: 8px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 5px;
            border-radius: 999px;
            background: linear-gradient(180deg, #FF6B35, #FFB800);
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 30px;
            }
        }

        .section-subtitle {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.5;
            margin-left: 18px;
        }

        .section-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 999px;
            transition: all .3s ease;
        }

        .section-more:hover {
            background: var(--primary-50);
            transform: translateX(2px);
        }

        .section-more svg {
            transition: transform .3s ease;
        }

        .section-more:hover svg {
            transform: translateX(2px);
        }

        /* ===== Product Card ===== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (min-width: 768px) {
            .product-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        @media (min-width: 1024px) {
            .product-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .product-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            border: 1px solid rgba(231, 229, 228, 0.5);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-100);
        }

        .product-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #f5f5f4;
        }

        .product-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .product-card:hover .product-img {
            transform: scale(1.05);
        }

        .discount-badge {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: #FFB800;
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(255, 184, 0, 0.4);
        }

        .tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.35);
        }

        .product-info {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .product-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .product-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 44px;
        }

        .product-desc {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .product-price-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: auto;
            padding-top: 8px;
        }

        .product-price {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
        }

        .product-old-price {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: line-through;
        }

        .cart-btn {
            margin-left: auto;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .3s ease;
            background: transparent;
        }

        .cart-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
        }

        .cart-btn:active {
            transform: scale(0.95);
        }

        /* ===== Review Card ===== */
        .reviews-section {
            background: #f5f0eb;
            padding: 64px 0;
        }

        .review-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            -webkit-overflow-scrolling: touch;
        }

        .review-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .review-scroll::-webkit-scrollbar-thumb {
            background: #d6d3d1;
            border-radius: 999px;
        }

        .review-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            border: 1px solid rgba(231, 229, 228, 0.4);
        }

        @media (min-width: 768px) {
            .review-card {
                flex-basis: 340px;
            }
        }

        .review-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .review-stars {
            display: flex;
            gap: 2px;
            color: #FFB800;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .review-text {
            font-size: 14px;
            line-height: 1.7;
            color: #3F3A36;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #d6d3d1, #a8a29e);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .review-prod {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Guarantee ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px 0;
        }

        @media (min-width: 1024px) {
            .guarantee-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
        }

        .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--primary-50);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .3s ease;
        }

        .guarantee-item:hover .guarantee-icon {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .guarantee-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .guarantee-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            margin-top: 2px;
        }

        @media (min-width: 1024px) {
            .guarantee-item+.guarantee-item {
                border-left: 1px solid var(--border);
            }
        }

        /* ===== News Section ===== */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: 1.4fr 1fr;
            }
        }

        .news-featured {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 229, 228, 0.5);
            transition: all .3s ease;
        }

        .news-featured:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        @media (min-width: 768px) {
            .news-featured {
                flex-direction: row;
            }
        }

        .news-featured-img {
            flex: 1;
            min-height: 200px;
            object-fit: cover;
            width: 100%;
        }

        @media (min-width: 768px) {
            .news-featured-img {
                width: 50%;
                min-height: 280px;
            }
        }

        .news-featured-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-badge {
            display: inline-block;
            background: var(--primary-100);
            color: var(--primary-700);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            align-self: flex-start;
        }

        .news-featured-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-featured-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-featured-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-read-more {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all .3s ease;
        }

        .news-read-more:hover {
            gap: 8px;
        }

        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-side-item {
            display: flex;
            gap: 14px;
            align-items: center;
            background: #fff;
            border-radius: 14px;
            padding: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 229, 228, 0.4);
            transition: all .3s ease;
        }

        .news-side-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(2px);
        }

        .news-side-thumb {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .news-side-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }

        .news-side-desc {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }

        .news-side-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-empty-state {
            border: 2px dashed #d6d3d1;
            border-radius: 16px;
            padding: 48px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            padding: 64px 0;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: all .3s ease;
        }

        .faq-item.open {
            border-color: var(--primary-200);
            background: var(--primary-50);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: all .3s ease;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-100);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .3s ease;
            font-size: 16px;
            font-weight: 700;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: #1C1917;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.25) 0%, transparent 70%);
            top: -200px;
            left: -100px;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 184, 0, 0.18) 0%, transparent 70%);
            bottom: -200px;
            right: -80px;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            padding: 0 16px;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .cta-title {
                font-size: 36px;
            }
        }

        .cta-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            padding: 16px 40px;
            border-radius: 999px;
            box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
            transition: all .3s ease;
            margin-bottom: 20px;
        }

        .cta-btn:hover {
            background: #FF844E;
            transform: scale(1.03);
            box-shadow: 0 12px 40px rgba(255, 107, 53, 0.5);
        }

        .cta-btn:active {
            transform: scale(0.97);
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1C1917;
            padding: 64px 0 32px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 2fr 1.2fr;
                gap: 32px;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, #FF6B35, #FFB800);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .footer-logo-text {
            display: flex;
            flex-direction: column;
        }

        .footer-logo-name {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            font-weight: 800;
        }

        .footer-logo-tagline {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 260px;
        }

        .footer-socials {
            display: flex;
            gap: 10px;
        }

        .footer-social {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: all .3s ease;
        }

        .footer-social:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .footer-links-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-links-list a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all .3s ease;
        }

        .footer-links-list a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

        .footer-contact-item svg {
            flex-shrink: 0;
            color: var(--primary);
            margin-top: 2px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 10px;
            height: 10px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: #d6d3d1;
            border-radius: 999px;
            border: 2px solid transparent;
            background-clip: content-box;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #a8a29e;
            background-clip: content-box;
        }

        /* ===== Focus Visible ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid rgba(255, 107, 53, 0.5);
            outline-offset: 2px;
        }

        /* ===== Section Spacing ===== */
        .section-pad {
            padding: 56px 0;
        }

        @media (min-width: 768px) {
            .section-pad {
                padding: 72px 0;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeInUp 0.7s ease-out both;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
        }

        .animate-delay-2 {
            animation-delay: 0.2s;
        }

        .animate-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: article */
:root {
            --color-primary: #FF6B35;
            --color-primary-hover: #E65522;
            --color-secondary: #0E7C7B;
            --color-accent: #FFB800;
            --color-bg: #FAF9F7;
            --color-card: #FFFFFF;
            --color-dark: #1C1917;
            --color-text: #1C1917;
            --color-text-body: #44403C;
            --color-text-muted: #78716C;
            --color-border: #E7E5E4;
            --radius-card: 20px;
            --radius-card-md: 16px;
            --radius-button: 999px;
            --shadow-card: 0 1px 3px rgba(28,25,23,0.06), 0 4px 12px rgba(28,25,23,0.04);
            --shadow-card-hover: 0 4px 12px rgba(28,25,23,0.08), 0 12px 32px rgba(28,25,23,0.10);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(231, 229, 228, 0.7);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity 0.3s ease;
        }

        .site-logo:hover {
            opacity: 0.85;
        }

        .logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF6B35, #FFB800);
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.35);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-name {
            font-size: 20px;
            font-weight: 800;
            color: #1C1917;
            letter-spacing: 0.01em;
        }

        .logo-tagline {
            font-size: 10px;
            color: #78716C;
            letter-spacing: 0.04em;
            margin-top: 2px;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 2px;
        }

        .nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: #44403C;
            border-radius: 999px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #FF6B35;
            background: #FFF4ED;
        }

        .nav-link.active {
            color: #FF6B35;
            font-weight: 600;
            background: #FFF4ED;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, #FF6B35, #FFB800);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .cart-btn {
            position: relative;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #44403C;
            border: 1px solid #E7E5E4;
            background: #FFF;
            transition: all 0.3s ease;
        }

        .cart-btn:hover {
            color: #FF6B35;
            border-color: #FFC9A8;
            transform: translateY(-1px);
        }

        .cart-btn:active {
            transform: scale(0.95);
        }

        .cart-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FF6B35;
            border: 2px solid #FFF;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            line-height: 1.2;
            white-space: nowrap;
            text-decoration: none;
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
        }

        .btn-primary {
            background: linear-gradient(135deg, #FF6B35, #F59E0B);
            color: #FFF;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
        }

        .btn-primary:hover {
            filter: brightness(1.06);
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            background: #FFF;
            border-color: #FF6B35;
            color: #E65522;
        }

        .btn-secondary:hover {
            background: #FFF4ED;
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: scale(0.97);
        }

        .btn-lg {
            padding: 14px 40px;
            font-size: 16px;
        }

        .nav-toggle {
            display: flex;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid #E7E5E4;
            background: #FFF;
            align-items: center;
            justify-content: center;
            color: #1C1917;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            border-color: #FF6B35;
            color: #FF6B35;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 12px 20px 20px;
            border-top: 1px solid #F5F5F4;
            background: #FFF;
            gap: 4px;
            box-shadow: 0 12px 24px rgba(28, 25, 23, 0.06);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-link {
            padding: 12px 14px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 500;
            color: #44403C;
            transition: all 0.3s ease;
        }

        .mobile-link:hover {
            background: #FFF4ED;
            color: #FF6B35;
        }

        .mobile-link.active {
            background: #FFF4ED;
            color: #FF6B35;
            font-weight: 600;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
        }

        /* Footer */
        .site-footer {
            background: #1C1917;
            color: #D6D3D1;
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1.8fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.1fr 1.6fr 0.8fr;
                gap: 60px;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF6B35, #FFB800);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 17px;
            flex-shrink: 0;
        }

        .footer-logo-text {
            display: flex;
            flex-direction: column;
        }

        .footer-logo-name {
            font-size: 20px;
            font-weight: 800;
            color: #FFF;
        }

        .footer-logo-tagline {
            font-size: 11px;
            color: #A8A29E;
            margin-top: 2px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 14px;
            color: #A8A29E;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 280px;
        }

        .footer-socials {
            display: flex;
            gap: 10px;
        }

        .footer-social {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid #44403C;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A8A29E;
            transition: all 0.3s ease;
        }

        .footer-social:hover {
            color: #FF6B35;
            border-color: #FF6B35;
            transform: translateY(-2px);
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 520px) {
            .footer-links-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        .footer-links-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-links-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links-list a {
            font-size: 14px;
            color: #A8A29E;
            transition: color 0.3s ease;
        }

        .footer-links-list a:hover {
            color: #FF6B35;
        }

        .footer-contact {
            font-size: 14px;
        }

        .footer-contact p {
            margin: 0 0 10px;
            color: #A8A29E;
            line-height: 1.6;
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid #292524;
            font-size: 12px;
            color: #78716C;
            text-align: center;
        }

        /* Article breadcrumb */
        .article-breadcrumb {
            background: #F5F5F4;
            border-bottom: 1px solid #E7E5E4;
            padding: 12px 0;
        }

        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: #78716C;
        }

        .breadcrumb-list a {
            transition: color 0.3s ease;
        }

        .breadcrumb-list a:hover {
            color: #FF6B35;
        }

        .breadcrumb-sep {
            color: #D6D3D1;
            margin: 0 2px;
        }

        .breadcrumb-current {
            color: #1C1917;
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 260px;
        }

        /* Article header */
        .article-header {
            padding: 56px 0 40px;
            text-align: center;
            background: linear-gradient(180deg, #FFF4ED 0%, #FAF9F7 100%);
            border-bottom: 1px solid #F5F5F4;
        }

        .article-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: #C24416;
            background: #FFE6D5;
            border-radius: 999px;
            padding: 5px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .article-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            color: #1C1917;
            max-width: 760px;
            margin: 0 auto;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .article-title {
                font-size: 40px;
                line-height: 1.25;
            }
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #78716C;
            margin-top: 18px;
        }

        .meta-sep {
            color: #D6D3D1;
        }

        /* Article body */
        .article-container {
            max-width: 760px;
            margin: 0 auto;
            padding: 40px 20px 48px;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: #3F3A36;
        }

        @media (min-width: 768px) {
            .article-body {
                font-size: 17px;
                line-height: 1.95;
            }
        }

        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin: 40px 0 16px;
            padding-left: 12px;
            border-left: 4px solid #FF6B35;
            color: #1C1917;
        }

        @media (min-width: 768px) {
            .article-body h2 {
                font-size: 24px;
            }
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 32px 0 12px;
            color: #1C1917;
        }

        .article-body p {
            margin-bottom: 24px;
        }

        .article-body img {
            border-radius: 16px;
            margin: 32px auto;
            box-shadow: var(--shadow-card);
        }

        .article-body blockquote {
            border-left: 4px solid #FF6B35;
            background: #FFF4ED;
            padding: 16px 20px;
            border-radius: 0 16px 16px 0;
            margin: 32px 0;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body a {
            color: #E65522;
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(230, 85, 34, 0.4);
            transition: text-decoration-color 0.3s;
        }

        .article-body a:hover {
            text-decoration-color: #E65522;
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-empty {
            text-align: center;
            padding: 80px 24px;
            background: #FFF;
            border-radius: 20px;
            box-shadow: var(--shadow-card);
        }

        .article-empty p {
            font-size: 18px;
            color: #78716C;
            margin-bottom: 24px;
        }

        /* Tags */
        .article-tags-section {
            border-top: 1px solid #E7E5E4;
            background: #FFF;
            padding: 24px 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
        }

        .article-tag {
            font-size: 12px;
            padding: 6px 16px;
            border-radius: 999px;
            background: #F5F5F4;
            color: #44403C;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .article-tag:hover {
            background: #FFE6D5;
            color: #C24416;
            border-color: #FFC9A8;
        }

        /* Related */
        .related-section {
            padding: 56px 0 24px;
            background: #FAF9F7;
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: #1C1917;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 14px;
            color: #78716C;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .article-card {
            background: #FFF;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: block;
            height: 100%;
        }

        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .article-card-img {
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
            transition: transform 0.5s ease;
        }

        .article-card:hover .article-card-img {
            transform: scale(1.05);
        }

        .article-card-body {
            padding: 20px;
        }

        .article-card-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: #1C1917;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-excerpt {
            font-size: 13px;
            color: #78716C;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: #A8A29E;
        }

        /* Back link */
        .back-link-wrap {
            text-align: center;
            padding: 24px 0 56px;
            background: #FAF9F7;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: #78716C;
            transition: color 0.3s ease;
        }

        .back-link:hover {
            color: #FF6B35;
        }

        .back-link svg {
            transition: transform 0.3s ease;
        }

        .back-link:hover svg {
            transform: translateX(-3px);
        }

        /* CTA */
        .cta-section {
            background: #1C1917;
            color: #FFF;
            text-align: center;
            padding: 64px 24px;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #FFF;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .cta-title {
                font-size: 32px;
            }
        }

        .cta-subtitle {
            font-size: 15px;
            color: #A8A29E;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-note {
            font-size: 12px;
            color: #78716C;
            margin-top: 16px;
        }

        /* Focus visible global */
        a:focus-visible,
        button:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
            border-radius: 6px;
        }

/* roulang page: category1 */
:root {
            --color-primary-50: #FFF4ED;
            --color-primary-100: #FFE6D5;
            --color-primary-200: #FFC9A8;
            --color-primary-300: #FFA87A;
            --color-primary-400: #FF844E;
            --color-primary-500: #FF6B35;
            --color-primary-600: #E65522;
            --color-primary-700: #C24416;
            --color-primary-800: #9E370F;
            --color-primary-900: #7F2E0D;
            --color-teal-500: #0E7C7B;
            --color-teal-50: #E5F4F4;
            --color-gold: #FFB800;
            --color-bg: #FAF9F7;
            --color-card: #FFFFFF;
            --color-border: #E7E5E4;
            --color-border-dark: #292524;
            --color-heading: #1C1917;
            --color-body: #44403C;
            --color-muted: #78716C;
            --color-footer-bg: #1C1917;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 14px;
            --shadow-card: 0 1px 3px rgba(28, 25, 23, 0.06), 0 4px 12px rgba(28, 25, 23, 0.04);
            --shadow-hover: 0 4px 12px rgba(28, 25, 23, 0.08), 0 12px 32px rgba(28, 25, 23, 0.10);
            --shadow-float: 0 8px 24px rgba(28, 25, 23, 0.12), 0 24px 64px rgba(28, 25, 23, 0.16);
            --transition: all 0.3s ease-out;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        ul {
            margin: 0;
        }

        ul {
            padding: 0;
            list-style: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 4px solid rgba(255, 107, 53, 0.25);
            outline-offset: 2px;
        }

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

        @media (max-width: 768px) {
            .container-site {
                padding-inline: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(231, 229, 228, 0.6);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            border-radius: 12px;
        }

        .logo:hover {
            opacity: 0.85;
        }

        .logo-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-500), var(--color-gold));
            display: grid;
            place-items: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .logo-name {
            font-weight: 800;
            font-size: 20px;
            color: var(--color-heading);
            letter-spacing: 0.5px;
        }

        .logo-tag {
            font-size: 10px;
            color: var(--color-muted);
            letter-spacing: 0.18em;
        }

        .nav-links {
            display: flex;
            gap: 4px;
            align-items: center;
        }

        .nav-link {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-body);
            position: relative;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--color-primary-500);
            background: rgba(255, 244, 237, 0.7);
        }

        .nav-link.active {
            color: var(--color-primary-600);
            background: rgba(255, 244, 237, 0.7);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--color-primary-500), var(--color-gold));
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .cart-btn {
            position: relative;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            background: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-heading);
            transition: var(--transition);
        }

        .cart-btn:hover {
            color: var(--color-primary-500);
            border-color: var(--color-primary-300);
            transform: translateY(-2px);
        }

        .cart-btn:active {
            transform: translateY(0) scale(0.96);
        }

        .cart-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            min-width: 16px;
            height: 16px;
            background: #EF4444;
            border-radius: 999px;
            color: #fff;
            font-size: 10px;
            display: grid;
            place-items: center;
            padding-inline: 3px;
            line-height: 1;
            border: 2px solid #fff;
        }

        .btn-buy {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(90deg, var(--color-primary-500), var(--color-gold));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 999px;
            border: none;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.25);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-buy:hover {
            filter: brightness(1.05);
            transform: scale(1.02);
            color: #fff;
        }

        .btn-buy:active {
            transform: scale(0.97);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary-50);
            border: 1px solid var(--color-primary-100);
            align-items: center;
            justify-content: center;
            color: var(--color-primary-600);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--color-primary-100);
        }

        /* Mobile drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(28, 25, 23, 0.45);
            z-index: 190;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            max-width: 85vw;
            background: #fff;
            z-index: 200;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            padding: 24px;
            box-shadow: var(--shadow-float);
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-head {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }

        .drawer-close {
            margin-left: auto;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            background: var(--color-bg);
            color: var(--color-heading);
            font-size: 18px;
            display: grid;
            place-items: center;
            transition: var(--transition);
        }

        .drawer-close:hover {
            background: var(--color-primary-50);
            color: var(--color-primary-600);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 20px;
        }

        .drawer-link {
            display: block;
            padding: 12px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-body);
            transition: var(--transition);
        }

        .drawer-link:hover {
            color: var(--color-primary-600);
            background: var(--color-primary-50);
        }

        .drawer-link.active {
            background: var(--color-primary-50);
            color: var(--color-primary-600);
            font-weight: 600;
        }

        .drawer-cta {
            margin-top: auto;
            justify-content: center;
            text-align: center;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(90deg, var(--color-primary-500), var(--color-gold));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 999px;
            border: none;
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.28);
            transition: var(--transition);
        }

        .btn-primary:hover {
            filter: brightness(1.06);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 107, 53, 0.35);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1.5px solid var(--color-primary-500);
            color: var(--color-primary-600);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 26px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: var(--color-primary-50);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0) scale(0.98);
        }

        /* ===== Category Banner ===== */
        .category-banner {
            position: relative;
            min-height: 200px;
            overflow: hidden;
            background: linear-gradient(120deg, var(--color-primary-50), #FFF7ED 55%, #FFFDFA);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(231, 229, 228, 0.5);
        }

        .category-banner-bg {
            position: absolute;
            inset: 0;
        }

        .category-banner-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
        }

        .category-banner-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 244, 237, 0.92) 0%, rgba(255, 248, 240, 0.55) 55%, rgba(255, 253, 250, 0.3) 100%);
        }

        .category-banner-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            padding-top: 40px;
            padding-bottom: 40px;
            width: 100%;
        }

        .category-banner-left {
            max-width: 620px;
        }

        .category-banner-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.12em;
            background: var(--color-primary-100);
            color: var(--color-primary-700);
            padding: 6px 16px;
            border-radius: 999px;
            font-weight: 600;
        }

        .category-banner-left h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-heading);
            line-height: 1.2;
            margin-top: 10px;
        }

        .category-banner-sub {
            font-size: 15px;
            color: var(--color-body);
            margin-top: 8px;
            max-width: 480px;
        }

        .category-banner-right {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 12px;
            max-width: 300px;
            text-align: right;
        }

        .category-banner-right p {
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.6;
        }

        /* ===== Trust Strip ===== */
        .trust-strip {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
        }

        .trust-item {
            text-align: center;
            padding: 26px 8px;
        }

        .trust-num {
            display: block;
            font-size: 30px;
            font-weight: 800;
            color: var(--color-primary-500);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .trust-label {
            display: block;
            font-size: 13px;
            color: var(--color-muted);
            margin-top: 4px;
        }

        /* ===== Choose / Product Section ===== */
        .choose-section {
            padding: 64px 0 72px;
        }

        .choose-layout {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 36px;
            align-items: start;
        }

        .filter-panel {
            position: sticky;
            top: 96px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 229, 228, 0.7);
        }

        .filter-panel h2 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-heading);
            padding-bottom: 14px;
            margin-bottom: 14px;
            border-bottom: 1px solid var(--color-border);
        }

        .filter-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .filter-list a {
            display: block;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--color-body);
            transition: var(--transition);
        }

        .filter-list a:hover {
            color: var(--color-primary-600);
            background: var(--color-primary-50);
            transform: translateX(2px);
        }

        .filter-list a.active {
            color: #fff;
            background: var(--color-primary-500);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
            transform: none;
        }

        .filter-note {
            margin-top: 20px;
            padding: 16px;
            border-radius: var(--radius-md);
            background: var(--color-primary-50);
            border: 1px dashed var(--color-primary-200);
        }

        .filter-note-top {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 4px;
        }

        .filter-note-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary-500);
            color: #fff;
            display: grid;
            place-items: center;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
        }

        .filter-note p {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-heading);
        }

        .filter-note a {
            font-size: 13px;
            color: var(--color-primary-600);
            font-weight: 600;
        }

        .filter-note a:hover {
            color: var(--color-primary-800);
        }

        .product-area {
            display: flex;
            flex-direction: column;
            gap: 32px;
            align-items: center;
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            width: 100%;
        }

        .product-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 229, 228, 0.6);
            transition: var(--transition);
        }

        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary-200);
        }

        .product-media {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--color-primary-50);
        }

        .product-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .product-card:hover .product-media img {
            transform: scale(1.05);
        }

        .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary-500);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
        }

        .product-discount {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-gold);
            color: var(--color-heading);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(255, 184, 0, 0.35);
        }

        .product-info {
            padding: 16px 20px 20px;
        }

        .product-cat {
            font-size: 12px;
            color: var(--color-primary-500);
            font-weight: 600;
        }

        .product-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-heading);
            margin: 4px 0 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 44px;
        }

        .product-desc {
            font-size: 13px;
            color: var(--color-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .product-rating {
            display: flex;
            align-items: center;
            gap: 5px;
            margin-top: 10px;
        }

        .stars {
            color: var(--color-gold);
            font-size: 13px;
            letter-spacing: 1px;
            line-height: 1;
        }

        .rating-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-heading);
        }

        .rating-count {
            font-size: 12px;
            color: var(--color-muted);
        }

        .product-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }

        .product-price {
            color: var(--color-primary-500);
            font-size: 20px;
            font-weight: 800;
            line-height: 1;
        }

        .product-price del {
            color: var(--color-muted);
            font-size: 13px;
            font-weight: 400;
            margin-left: 6px;
        }

        .product-cart {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--color-primary-200);
            background: #fff;
            color: var(--color-primary-500);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .product-cart:hover {
            background: var(--color-primary-500);
            color: #fff;
            border-color: var(--color-primary-500);
            transform: scale(1.06);
        }

        .product-cart:active {
            transform: scale(0.94);
        }

        /* ===== Section Head ===== */
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 44px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-heading);
            position: relative;
            display: inline-block;
            line-height: 1.25;
        }

        .section-head h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            margin: 14px auto 0;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--color-primary-500), var(--color-gold));
        }

        .section-head p {
            color: var(--color-muted);
            font-size: 15px;
            margin-top: 12px;
        }

        /* ===== Service Section ===== */
        .service-section {
            background: #fff;
            border-block: 1px solid var(--color-border);
            padding: 64px 0;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .service-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: var(--color-bg);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .service-card:hover {
            background: #fff;
            border-color: var(--color-primary-200);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .service-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 16px;
            background: var(--color-primary-100);
            color: var(--color-primary-600);
            display: grid;
            place-items: center;
            transition: var(--transition);
        }

        .service-card:hover .service-icon {
            background: var(--color-primary-500);
            color: #fff;
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-heading);
            margin-bottom: 6px;
        }

        .service-card p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* ===== Scene Section ===== */
        .scene-section {
            padding: 64px 0;
        }

        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .scene-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(231, 229, 228, 0.6);
            transition: var(--transition);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .scene-card.reverse .scene-media {
            order: 2;
        }

        .scene-media {
            overflow: hidden;
            min-height: 260px;
        }

        .scene-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .scene-card:hover .scene-media img {
            transform: scale(1.04);
        }

        .scene-body {
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
        }

        .scene-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 10px;
        }

        .scene-body p {
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .scene-tags span {
            font-size: 12px;
            color: var(--color-teal-500);
            background: var(--color-teal-50);
            border-radius: 999px;
            padding: 4px 12px;
            font-weight: 500;
        }

        .scene-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary-600);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .scene-link:hover {
            gap: 10px;
            color: var(--color-primary-800);
        }

        /* ===== Brand Strip ===== */
        .brand-strip {
            background: var(--color-bg);
            padding: 44px 0;
            border-block: 1px solid var(--color-border);
        }

        .brand-note {
            display: block;
            text-align: center;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--color-muted);
            margin-bottom: 20px;
            font-weight: 500;
        }

        .brand-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            align-items: center;
        }

        .brand-logo-item {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-muted);
            padding: 8px 22px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--color-border);
            letter-spacing: 0.06em;
            transition: var(--transition);
        }

        .brand-logo-item:hover {
            color: var(--color-primary-600);
            border-color: var(--color-primary-300);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            padding: 20px 24px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-primary-200);
            background: #fff;
        }

        .faq-item[open] {
            border-color: var(--color-primary-200);
            background: var(--color-primary-50);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-heading);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
        }

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

        .faq-item summary:hover {
            color: var(--color-primary-600);
        }

        .faq-icon {
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-100);
            color: var(--color-primary-600);
            display: grid;
            place-items: center;
            font-size: 18px;
            font-weight: 400;
            line-height: 1;
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary-500);
            color: #fff;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.8;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid rgba(231, 229, 228, 0.8);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-footer-bg);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.18), transparent 65%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            position: relative;
        }

        .cta-section h2 span {
            color: var(--color-primary-400);
        }

        .cta-section p {
            color: #A8A29E;
            font-size: 15px;
            max-width: 540px;
            margin: 14px auto 36px;
            position: relative;
            line-height: 1.8;
        }

        .cta-btn-group {
            position: relative;
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .cta-note {
            display: block;
            margin-top: 24px;
            font-size: 12px;
            color: #78716C;
            position: relative;
            letter-spacing: 0.04em;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer-bg);
            color: #D6D3D1;
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 48px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .footer-logo-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-500), var(--color-gold));
            color: #fff;
            display: grid;
            place-items: center;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .footer-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .footer-logo-name {
            font-weight: 800;
            font-size: 19px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .footer-logo-tagline {
            font-size: 10px;
            color: #A8A29E;
            letter-spacing: 0.18em;
        }

        .footer-desc {
            font-size: 13px;
            color: #A8A29E;
            line-height: 1.8;
            margin: 18px 0 20px;
            max-width: 320px;
        }

        .footer-socials {
            display: flex;
            gap: 10px;
        }

        .footer-social {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: #D6D3D1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .footer-social:hover {
            color: var(--color-primary-400);
            background: rgba(255, 107, 53, 0.12);
            border-color: rgba(255, 107, 53, 0.3);
            transform: translateY(-2px);
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .footer-links-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-links-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links-list a,
        .footer-contact {
            font-size: 13px;
            color: #A8A29E;
            transition: var(--transition);
            line-height: 1.5;
        }

        .footer-links-list a:hover {
            color: var(--color-primary-400);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid #292524;
            margin-top: 48px;
            padding: 20px 0 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #78716C;
        }

        .footer-bottom a {
            color: #78716C;
        }

        .footer-bottom a:hover {
            color: var(--color-primary-400);
        }

        .footer-icp {
            letter-spacing: 0.04em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

            .nav-toggle {
                display: inline-flex;
            }

            .choose-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .filter-panel {
                position: static;
                padding: 16px 20px;
            }

            .filter-list {
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 4px;
                scrollbar-width: none;
            }

            .filter-list::-webkit-scrollbar {
                display: none;
            }

            .filter-list li {
                flex: 0 0 auto;
            }

            .filter-note {
                display: none;
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

            .category-banner-right {
                max-width: 260px;
            }
        }

        @media (max-width: 768px) {
            .category-banner {
                min-height: auto;
            }

            .category-banner-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
                padding-top: 32px;
                padding-bottom: 32px;
            }

            .category-banner-left h1 {
                font-size: 32px;
            }

            .category-banner-right {
                align-items: flex-start;
                text-align: left;
                max-width: 100%;
            }

            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-card {
                grid-template-columns: 1fr;
            }

            .scene-card.reverse .scene-media {
                order: 0;
            }

            .scene-media {
                min-height: 200px;
            }

            .scene-body {
                padding: 24px;
            }

            .cta-section h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 640px) {
            .header-inner {
                height: 64px;
            }

            .logo-name {
                font-size: 17px;
            }

            .logo-tag {
                font-size: 9px;
            }

            .logo-badge {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .btn-buy {
                padding: 8px 16px;
                font-size: 13px;
            }

            .product-grid {
                grid-template-columns: 1fr;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .service-card {
                padding: 24px 16px;
            }

            .footer-grid {
                gap: 28px;
            }

            .footer-links-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .brand-logos {
                gap: 10px;
            }

            .brand-logo-item {
                padding: 6px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #FF6B35;
    --primary-50: #FFF4ED;
    --primary-100: #FFE6D5;
    --primary-200: #FFC9A8;
    --primary-300: #FFA87A;
    --primary-400: #FF844E;
    --primary-500: #FF6B35;
    --primary-600: #E65522;
    --primary-700: #C24416;
    --primary-800: #9E370F;
    --primary-900: #7F2E0D;
    --secondary: #0E7C7B;
    --secondary-50: #E5F4F4;
    --secondary-500: #0E7C7B;
    --accent: #FFB800;
    --bg: #FAF9F7;
    --dark: #1C1917;
    --card: #FFFFFF;
    --border: #E7E5E4;
    --text: #1C1917;
    --text-body: #44403C;
    --text-muted: #78716C;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    --radius-card: 20px;
    --radius-md: 16px;
    --radius-pill: 999px;
    --shadow-card: 0 1px 3px rgba(28,25,23,0.06), 0 4px 12px rgba(28,25,23,0.04);
    --shadow-hover: 0 4px 12px rgba(28,25,23,0.08), 0 12px 32px rgba(28,25,23,0.10);
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: color .3s ease;
  }
  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }
  ul, ol {
    list-style: none;
  }

  .container-site {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 768px) {
    .container-site {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(231, 229, 228, .6);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 1.5rem;
  }
  .site-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    transition: opacity .3s ease;
  }
  .site-logo:hover {
    opacity: .8;
  }
  .logo-badge {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, #FF6B35, #FFB800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(255, 107, 53, .3);
  }
  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .logo-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: .01em;
  }
  .logo-tagline {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: .06em;
    white-space: nowrap;
  }
  .nav-links {
    display: none;
    align-items: center;
    gap: .25rem;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: .5rem 1rem;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-body);
    border-radius: var(--radius-pill);
    transition: all .3s ease;
    position: relative;
  }
  .nav-link:hover {
    color: var(--primary);
    background: rgba(255, 107, 53, .06);
  }
  .nav-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .18);
  }
  .nav-link:active {
    transform: scale(.97);
  }
  .nav-link.active {
    color: var(--primary) !important;
    background: rgba(255, 107, 53, .08);
    font-weight: 600;
  }
  .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #FF6B35, #FFB800);
    border-radius: 2px;
  }
  .nav-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
  }
  .cart-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-body);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all .3s ease;
  }
  .cart-btn:hover {
    color: var(--primary);
    border-color: var(--primary-300);
    background: var(--primary-50);
  }
  .cart-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .18);
  }
  .cart-btn:active {
    transform: scale(.95);
  }
  .cart-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: #EF4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .6rem 1.4rem;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #FF6B35, #FFB800);
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 8px rgba(255, 107, 53, .3);
    transition: all .3s ease;
  }
  .btn-primary:hover {
    filter: brightness(1.05);
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(255, 107, 53, .4);
  }
  .btn-primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .2);
  }
  .btn-primary:active {
    transform: scale(.98);
  }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .6rem 1.4rem;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-600);
    background: #fff;
    border: 1.5px solid var(--primary-400);
    border-radius: var(--radius-pill);
    transition: all .3s ease;
  }
  .btn-secondary:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    transform: scale(1.02);
  }
  .btn-secondary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .18);
  }
  .btn-secondary:active {
    transform: scale(.98);
  }
  .btn-lg {
    padding: .9rem 2.5rem;
    font-size: 16px;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    color: var(--text-body);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all .3s ease;
  }
  .nav-toggle:hover {
    color: var(--primary);
    border-color: var(--primary-300);
  }
  .nav-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .18);
  }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: #fff;
    z-index: 100;
    padding: 2rem 1.5rem;
    box-shadow: -8px 0 32px rgba(28, 25, 23, .12);
    flex-direction: column;
    gap: .5rem;
  }
  .mobile-menu.open {
    display: flex;
  }
  .mobile-menu .nav-link {
    font-size: 16px;
    padding: .8rem 1rem;
  }
  .mobile-menu-close {
    align-self: flex-end;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--text-body);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all .3s ease;
  }
  .mobile-menu-close:hover {
    color: var(--primary);
    border-color: var(--primary-300);
  }
  .overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(28, 25, 23, .4);
    z-index: 90;
  }
  .overlay.open {
    display: block;
  }
  @media (min-width: 1024px) {
    .nav-links {
      display: flex;
    }
    .nav-toggle {
      display: none;
    }
  }
  .btn-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .55rem 1.3rem;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-body);
    transition: all .3s ease;
  }
  .btn-pill:hover {
    border-color: var(--primary-300);
    color: var(--primary);
    background: var(--primary-50);
  }
  .btn-pill:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .15);
  }
  .btn-pill:active {
    transform: scale(.97);
  }

  /* ===== 页头紧凑标题行 ===== */
  .compact-header {
    background: linear-gradient(135deg, #FFF4ED 0%, #FFF9F0 55%, #FFFFFF 100%);
    border-bottom: 1px solid var(--border);
    padding: 2.5rem 0 2.2rem;
    position: relative;
    overflow: hidden;
  }
  .compact-header::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 107, 53, .08);
    pointer-events: none;
  }
  .compact-header::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: 20%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 184, 0, .06);
    pointer-events: none;
  }
  .compact-header-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
  }
  @media (min-width: 768px) {
    .compact-header-inner {
      flex-direction: row;
      align-items: flex-end;
      justify-content: space-between;
    }
  }
  .compact-header h1 {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text);
    letter-spacing: -.01em;
  }
  @media (min-width: 768px) {
    .compact-header h1 {
      font-size: 40px;
    }
  }
  .compact-subtitle {
    margin-top: .5rem;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
  }
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
  }
  .breadcrumb a {
    transition: color .3s ease;
  }
  .breadcrumb a:hover {
    color: var(--primary);
  }
  .breadcrumb a:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, .15);
    border-radius: 4px;
  }
  .breadcrumb-sep {
    color: var(--border);
  }
  .breadcrumb-current {
    color: var(--text);
    font-weight: 500;
  }

  /* ===== 数据概览 ===== */
  .stats-section {
    padding: 3rem 0 2rem;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  @media (min-width: 768px) {
    .stats-grid {
      gap: 1.5rem;
    }
  }
  .stat-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 1.5rem 1.2rem;
    text-align: center;
    transition: all .3s ease;
    border: 1px solid rgba(231, 229, 228, .5);
  }
  .stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
  }
  .stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
  }
  @media (min-width: 768px) {
    .stat-number {
      font-size: 36px;
    }
  }
  .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: .3rem;
  }

  /* ===== 板块标题 ===== */
  .section-head {
    margin-bottom: 2rem;
  }
  .section-head h2 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: .6rem;
  }
  @media (min-width: 768px) {
    .section-head h2 {
      font-size: 30px;
    }
  }
  .section-head h2::before {
    content: "";
    width: 24px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #FF6B35, #FFB800);
    flex-shrink: 0;
  }
  .section-head.center {
    text-align: center;
  }
  .section-head.center h2 {
    justify-content: center;
  }
  .section-head.center h2::before {
    display: none;
  }
  .section-head.center h2::after {
    content: "";
    width: 24px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #FF6B35, #FFB800);
    flex-shrink: 0;
  }
  .section-head p {
    margin-top: .5rem;
    font-size: 15px;
    color: var(--text-muted);
  }

  /* ===== 选购流程 ===== */
  .steps-section {
    padding: 2.5rem 0 3.5rem;
  }
  .steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media (min-width: 640px) {
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1.25rem;
    }
  }
  @media (min-width: 1024px) {
    .steps-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }
  .step-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 1.8rem 1.4rem;
    position: relative;
    border: 1px solid rgba(231, 229, 228, .5);
    transition: all .3s ease;
  }
  .step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-200);
  }
  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, #FFF4ED, #FFE6D5);
    color: var(--primary-600);
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: .02em;
  }
  .step-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: .4rem;
    color: var(--text);
  }
  .step-card p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
  }

  /* ===== 选购要点 不对称布局 ===== */
  .guide-tips-section {
    padding: 3rem 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #FAF9F7 100%);
  }
  .tips-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  @media (min-width: 1024px) {
    .tips-layout {
      grid-template-columns: 2fr 3fr;
      align-items: stretch;
    }
  }
  .tips-featured {
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(231, 229, 228, .5);
    transition: all .3s ease;
  }
  .tips-featured:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }
  .tips-featured-image {
    overflow: hidden;
    aspect-ratio: 16 / 9;
  }
  .tips-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .tips-featured:hover .tips-featured-image img {
    transform: scale(1.04);
  }
  .tips-featured-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .tips-featured-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin: .6rem 0 .4rem;
    color: var(--text);
  }
  .tips-featured-content p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.7;
    flex: 1;
  }
  .tag-primary {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 107, 53, .1);
    color: var(--primary-600);
    padding: .3rem .8rem;
    border-radius: var(--radius-pill);
    align-self: flex-start;
  }
  .tips-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media (min-width: 640px) {
    .tips-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1.25rem;
    }
  }
  .tip-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 1.4rem 1.3rem;
    border: 1px solid rgba(231, 229, 228, .5);
    border-left: 4px solid var(--primary);
    transition: all .3s ease;
  }
  .tip-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--primary-600);
  }
  .tip-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .3rem;
  }
  .tip-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  /* ===== 场景推荐 ===== */
  .scene-section {
    padding: 3rem 0;
  }
  .scene-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  @media (min-width: 640px) {
    .scene-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (min-width: 1024px) {
    .scene-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  .scene-card {
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    border: 1px solid rgba(231, 229, 228, .5);
    transition: all .3s ease;
  }
  .scene-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
  }
  .scene-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .scene-card:hover img {
    transform: scale(1.04);
  }
  .scene-content {
    padding: 1.4rem 1.3rem;
  }
  .tag-secondary {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    background: rgba(14, 124, 123, .1);
    color: var(--secondary);
    padding: .3rem .8rem;
    border-radius: var(--radius-pill);
    margin-bottom: .5rem;
  }
  .scene-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .35rem;
  }
  .scene-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  /* ===== FAQ ===== */
  .faq-section {
    padding: 3rem 0 3.5rem;
    background: var(--bg);
  }
  .faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: .85rem;
  }
  .faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(231, 229, 228, .6);
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease;
  }
  .faq-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-hover);
  }
  .faq-item.active {
    border-color: var(--primary-200);
    background: rgba(255, 244, 237, .4);
  }
  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.3rem;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: background .3s ease;
  }
  .faq-question:hover {
    background: rgba(255, 107, 53, .03);
  }
  .faq-question:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .15) inset;
  }
  .faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 18px;
    font-weight: 400;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: all .3s ease;
    line-height: 1;
  }
  .faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: #fff;
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    padding: 0 1.3rem;
  }
  .faq-answer p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.7;
    padding-bottom: 1.1rem;
  }
  .faq-item.active .faq-answer {
    max-height: 300px;
  }

  /* ===== CTA ===== */
  .cta-section {
    background: var(--dark);
    padding: 3.5rem 0;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 107, 53, .12);
    pointer-events: none;
  }
  .cta-section::after {
    content: "";
    position: absolute;
    bottom: -100px;
    left: -50px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(14, 124, 123, .1);
    pointer-events: none;
  }
  .cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 1rem;
  }
  .cta-inner h2 {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
  }
  @media (min-width: 768px) {
    .cta-inner h2 {
      font-size: 36px;
    }
  }
  .cta-inner p {
    color: rgba(255, 255, 255, .7);
    font-size: 15px;
    margin-top: .6rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
  }
  .cta-inner .btn-primary {
    margin-top: 1.8rem;
  }
  .cta-note {
    font-size: 12px !important;
    color: rgba(255, 255, 255, .45) !important;
    margin-top: 1.2rem !important;
    letter-spacing: .03em;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .8);
    padding: 3rem 0 1.5rem;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  @media (min-width: 768px) {
    .footer-grid {
      grid-template-columns: 2fr 3fr;
      gap: 2.5rem;
    }
  }
  @media (min-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1.4fr 1.6fr 1fr;
    }
  }
  .footer-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
  }
  .footer-logo-badge {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, #FF6B35, #FFB800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 800;
  }
  .footer-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .footer-logo-name {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
  }
  .footer-logo-tagline {
    font-size: 10px;
    color: rgba(255, 255, 255, .5);
    letter-spacing: .05em;
  }
  .footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .55);
    margin-top: 1rem;
    max-width: 300px;
  }
  .footer-socials {
    display: flex;
    gap: .75rem;
    margin-top: 1rem;
  }
  .footer-social {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .06);
    color: rgba(255, 255, 255, .7);
    transition: all .3s ease;
    border: 1px solid rgba(255, 255, 255, .08);
  }
  .footer-social:hover {
    background: var(--primary-500);
    color: #fff;
    border-color: var(--primary-500);
    transform: translateY(-2px);
  }
  .footer-social:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, .3);
  }
  .footer-social:active {
    transform: scale(.95);
  }
  .footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  @media (min-width: 1024px) {
    .footer-links-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  .footer-links-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: .8rem;
    position: relative;
    padding-bottom: .4rem;
  }
  .footer-links-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #FF6B35, #FFB800);
    border-radius: 2px;
  }
  .footer-links-list li {
    margin-bottom: .5rem;
  }
  .footer-links-list a {
    font-size: 13px;
    color: rgba(255, 255, 255, .55);
    transition: all .3s ease;
    display: inline-block;
    padding: .15rem 0;
  }
  .footer-links-list a:hover {
    color: var(--primary-300);
    transform: translateX(3px);
  }
  .footer-links-list a:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, .25);
    border-radius: 4px;
  }
  .footer-contact {
    display: flex;
    flex-direction: column;
    gap: .6rem;
  }
  .footer-contact-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: 13px;
    color: rgba(255, 255, 255, .55);
    line-height: 1.5;
  }
  .footer-contact-item svg {
    flex-shrink: 0;
    color: var(--primary-400);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    margin-top: 2.5rem;
    padding-top: 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    text-align: center;
  }
  @media (min-width: 768px) {
    .footer-bottom {
      flex-direction: row;
      justify-content: space-between;
      text-align: left;
    }
  }
  .footer-copy {
    font-size: 12px;
    color: rgba(255, 255, 255, .35);
  }
  .footer-icp {
    font-size: 12px;
    color: rgba(255, 255, 255, .35);
  }