/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #FF4D6A;
            --color-primary-dark: #E23650;
            --color-primary-light: #FFE1E6;
            --color-muted-bg: #FFF3EF;
            --color-dark: #14161C;
            --color-dark-soft: #1E222A;
            --color-accent: #2F8F5B;
            --color-card: #FFFFFF;
            --color-text: #1E222A;
            --color-muted: #6B7280;
            --color-border: #E8E1DE;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-badge: 999px;
            --shadow-sm: 0 2px 8px rgba(20, 22, 28, .06);
            --shadow-md: 0 8px 24px rgba(20, 22, 28, .08);
            --shadow-lg: 0 16px 40px rgba(20, 22, 28, .14);
            --space-section: 96px;
            --space-section-sm: 64px;
            --font-stack: -apple-system, BlinkMacSystemFont, PingFang SC, Hiragino Sans GB, Microsoft YaHei, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            color: var(--color-text);
            background: #FFFDFC;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color .25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ===== 通用容器 ===== */
        .container,
        .custom-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        @media screen and (max-width: 640px) {
            .container,
            .custom-container {
                padding: 0 18px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: all .3s ease;
            line-height: 1.4;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 77, 106, .25);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            background: #C02540;
            transform: none;
            box-shadow: none;
        }

        .btn-ghost {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-ghost:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            background: #FFD1D9;
            transform: none;
        }

        .btn-ghost-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .7);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 14px;
        }

        .btn-block {
            display: flex;
            width: 100%;
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .2px;
        }

        .badge-accent {
            background: rgba(47, 143, 91, .12);
            color: var(--color-accent);
        }

        .badge-dark {
            background: var(--color-dark);
            color: #fff;
        }

        .badge-tag {
            display: inline-flex;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }

        .badge-tag.green {
            background: rgba(47, 143, 91, .12);
            color: var(--color-accent);
        }

        /* ===== 顶部促销条 ===== */
        .promo-bar {
            background: var(--color-dark);
            color: #fff;
            font-size: 14px;
            position: relative;
            z-index: 20;
            min-height: 38px;
            display: flex;
            align-items: center;
            transition: all .3s ease;
        }

        .promo-bar.hide-bar {
            display: none;
        }

        .promo-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 6px 48px 6px 24px;
            flex-wrap: wrap;
            text-align: center;
        }

        .promo-inner strong {
            color: var(--color-primary);
            font-weight: 700;
        }

        .promo-inner .promo-link {
            color: #fff;
            text-decoration: underline;
            font-weight: 500;
        }

        .promo-inner .promo-link:hover {
            color: var(--color-primary);
        }

        .promo-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: background .3s;
        }

        .promo-close:hover {
            background: rgba(255, 255, 255, .12);
        }

        @media screen and (max-width: 640px) {
            .promo-inner {
                font-size: 13px;
                padding-right: 16px;
                padding-left: 16px;
            }
            .promo-close {
                display: none;
            }
        }

        /* ===== 主导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid rgba(232, 225, 222, .8);
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 1px 8px rgba(20, 22, 28, .03);
        }

        .nav-wrap {
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            min-height: 72px;
            padding: 0 24px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(255, 77, 106, .3);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: .5px;
            line-height: 1;
        }

        .logo-text:hover {
            color: var(--color-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }

        .nav-links ul {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--color-text);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width .3s ease;
        }

        .nav-links a:hover {
            color: var(--color-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .search-group {
            display: flex;
            align-items: center;
            background: var(--color-muted-bg);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: all .3s ease;
        }

        .search-group:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
            background: #fff;
        }

        .search-group .search-icon {
            padding-left: 14px;
            color: var(--color-muted);
            font-size: 14px;
        }

        .search-group input {
            border: none;
            outline: none;
            background: transparent;
            padding: 8px 12px;
            font-size: 14px;
            width: 160px;
            color: var(--color-text);
        }

        .search-group input::placeholder {
            color: #999;
        }

        .search-group button {
            border: none;
            background: var(--color-primary);
            color: #fff;
            padding: 9px 18px;
            font-size: 14px;
            cursor: pointer;
            font-weight: 600;
            transition: background .3s;
        }

        .search-group button:hover {
            background: var(--color-primary-dark);
        }

        .icon-btn {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            font-size: 18px;
            color: var(--color-dark);
            cursor: pointer;
            border-radius: 50%;
            position: relative;
            transition: all .25s;
        }

        .icon-btn:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .icon-btn .dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 16px;
            height: 16px;
            background: var(--color-primary);
            border-radius: 50%;
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: var(--color-muted-bg);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            font-size: 18px;
            cursor: pointer;
            transition: all .3s;
        }

        .hamburger:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* 移动端导航 */
        .off-canvas {
            width: 300px;
            background: #fff;
        }

        .off-canvas .off-canvas-inner {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .off-canvas .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .off-canvas .mobile-nav-links ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .off-canvas .mobile-nav-links a {
            display: block;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
        }

        .off-canvas .mobile-nav-links a:hover,
        .off-canvas .mobile-nav-links a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .off-canvas .mobile-search-group {
            display: flex;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
        }

        .off-canvas .mobile-search-group input {
            flex: 1;
            border: none;
            padding: 10px 14px;
            font-size: 14px;
            outline: none;
            background: var(--color-muted-bg);
        }

        .off-canvas .mobile-search-group button {
            border: none;
            background: var(--color-primary);
            color: #fff;
            padding: 0 18px;
            cursor: pointer;
            font-size: 14px;
        }

        @media screen and (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-actions .mobile-search-trigger {
                display: inline-flex;
            }
            .hamburger {
                display: inline-flex;
            }
            .nav-wrap {
                gap: 12px;
            }
        }

        .mobile-search-trigger {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: var(--color-muted-bg);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            font-size: 16px;
            cursor: pointer;
            color: var(--color-text);
        }

        @media screen and (max-width: 1024px) {
            .mobile-search-trigger {
                display: inline-flex;
            }
            .nav-actions .icon-btn:nth-child(3) {
                display: none;
            }
            .nav-actions .icon-btn:nth-child(2) {
                display: none;
            }
        }

        @media screen and (max-width: 520px) {
            .logo-text {
                font-size: 19px;
            }
            .nav-wrap {
                padding: 0 16px;
            }
            .nav-actions .nav-cta-btn {
                font-size: 13px;
                padding: 8px 14px;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            background: linear-gradient(120deg, #FFF8F5 0%, #FFF0F4 60%, #FFE8ED 100%);
            padding: 90px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(255, 77, 106, .06);
            z-index: 0;
        }

        .hero .grid-container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            padding-right: 24px;
        }

        .hero-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .hero-badge-row .badge {
            font-size: 13px;
            padding: 4px 14px;
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-dark);
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .hero h1 .highlight {
            color: var(--color-primary);
        }

        .hero-lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-muted);
            margin-bottom: 30px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-muted);
            font-size: 14px;
        }

        .hero-trust i {
            color: var(--color-accent);
        }

        .hero-card {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero-card-img {
            position: relative;
            width: 100%;
            height: 420px;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .3);
        }

        .hero-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(20, 22, 28, .25));
        }

        .hero-card-img img {
            width: 100%;
            height: 100%;
        }

        .hero-card .hot-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            z-index: 3;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 12px rgba(255, 77, 106, .3);
        }

        .hero-card .update-tag {
            position: absolute;
            top: 18px;
            right: 18px;
            z-index: 3;
            background: var(--color-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(47, 143, 91, .25);
        }

        .hero-card .card-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            padding: 22px 20px;
            color: #fff;
            background: linear-gradient(transparent, rgba(20, 22, 28, .8));
            font-weight: 600;
            font-size: 15px;
        }

        @media screen and (max-width: 1024px) {
            .hero {
                padding: 60px 0;
            }
            .hero-card-img {
                height: 340px;
            }
            .hero-content {
                padding-right: 0;
                margin-bottom: 32px;
            }
        }

        @media screen and (max-width: 640px) {
            .hero h1 {
                font-size: 28px;
            }
            .hero-card-img {
                height: 260px;
            }
            .hero-trust {
                gap: 14px;
            }
            .hero-trust span {
                font-size: 13px;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ===== 热门资源轨 ===== */
        .hot-track {
            padding: var(--space-section) 0;
            background: #ffffff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-label {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-dark);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: .3px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--color-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .card-product {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-product .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .card-product .card-img img {
            width: 100%;
            height: 100%;
            transition: transform .4s ease;
        }

        .card-product:hover .card-img img {
            transform: scale(1.03);
        }

        .card-product .card-img .time-flag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(20, 22, 28, .7);
            color: #fff;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .card-product .card-body {
            padding: 22px 22px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-product .badge-row {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
        }

        .card-product h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
            transition: color .25s;
            line-height: 1.4;
        }

        .card-product h3 a {
            color: inherit;
        }

        .card-product h3 a:hover {
            color: var(--color-primary);
        }

        .card-product .card-desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .card-product .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-muted);
            border-top: 1px solid rgba(232, 225, 222, .6);
            padding-top: 14px;
        }

        .card-product .card-meta .rise {
            color: var(--color-primary);
            font-weight: 600;
        }

        @media screen and (max-width: 640px) {
            .section-header h2 {
                font-size: 22px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .card-product .card-img {
                height: 160px;
            }
        }

        /* ===== 库存提示条 ===== */
        .stock-tips {
            position: relative;
            padding: 80px 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .stock-tips::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 22, 28, .78);
        }

        .stock-tips .container {
            position: relative;
            z-index: 2;
        }

        .stock-content {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            text-align: center;
            color: #fff;
        }

        .stock-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 18px;
            box-shadow: 0 4px 16px rgba(255, 77, 106, .35);
        }

        .stock-tips h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .stock-tips p {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .stock-progress {
            max-width: 480px;
            width: 100%;
            margin-top: 8px;
        }

        .stock-progress .progress-track {
            height: 8px;
            background: rgba(255, 255, 255, .18);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .stock-progress .progress-fill {
            height: 100%;
            background: var(--color-primary);
            border-radius: 999px;
            width: 68%;
            transition: width 1s ease;
        }

        .stock-progress .progress-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
        }

        @media screen and (max-width: 640px) {
            .stock-tips {
                padding: 56px 0;
                background-attachment: scroll;
            }
            .stock-tips h2 {
                font-size: 20px;
            }
            .stock-tips p {
                font-size: 14px;
            }
        }

        /* ===== 资讯区块 ===== */
        .news-section {
            padding: var(--space-section) 0;
            background: var(--color-muted-bg);
        }

        .news-list-wrap {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .news-list-wrap .list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
            padding-bottom: 16px;
        }

        .news-list-wrap .list-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-dark);
        }

        .news-list-wrap .list-header a {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 500;
        }

        .news-list li {
            display: block;
        }

        .news-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 8px;
            border-bottom: 1px solid rgba(232, 225, 222, .6);
            transition: all .25s;
            border-radius: 8px;
        }

        .news-list li:last-child a {
            border-bottom: none;
        }

        .news-list li a:hover {
            background: var(--color-primary-light);
            padding-left: 14px;
            padding-right: 14px;
        }

        .news-list .news-date {
            font-size: 13px;
            color: var(--color-muted);
            background: var(--color-muted-bg);
            padding: 2px 12px;
            border-radius: 999px;
            flex-shrink: 0;
            font-weight: 500;
        }

        .news-list .news-title {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
        }

        .news-list li a:hover .news-title {
            color: var(--color-primary);
        }

        .news-list .news-arrow {
            color: var(--color-border);
            font-size: 14px;
            flex-shrink: 0;
        }

        .side-panel {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }

        .side-panel:last-child {
            margin-bottom: 0;
        }

        .side-panel h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-panel h3 i {
            color: var(--color-primary);
            font-size: 16px;
        }

        .side-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(232, 225, 222, .6);
        }

        .side-item:last-child {
            border-bottom: none;
        }

        .side-item .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--color-muted-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-muted);
            flex-shrink: 0;
        }

        .side-item .rank-num.top {
            background: var(--color-primary);
            color: #fff;
        }

        .side-item .rank-text {
            flex: 1;
            font-size: 14px;
            color: var(--color-text);
            font-weight: 500;
        }

        .side-item .rank-val {
            font-size: 13px;
            color: var(--color-muted);
        }

        .side-tag-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .side-tag-wrap a {
            padding: 6px 14px;
            background: var(--color-muted-bg);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            font-size: 13px;
            color: var(--color-text);
            transition: all .25s;
        }

        .side-tag-wrap a:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        @media screen and (max-width: 640px) {
            .news-list-wrap {
                padding: 18px;
            }
            .news-list li a {
                flex-wrap: wrap;
                gap: 6px;
            }
            .news-list .news-date {
                display: none;
            }
            .news-list .news-title {
                font-size: 14px;
                line-height: 1.5;
            }
        }

        /* ===== 抢购按钮组 / CTA ===== */
        .cta-group {
            background: var(--color-dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-group::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 77, 106, .08);
        }

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

        .cta-inner h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media screen and (max-width: 640px) {
            .cta-group {
                padding: 56px 0;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-buttons .btn {
                width: 100%;
            }
        }

        /* ===== FAQ 模块 ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: #fff;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-wrap .accordion {
            margin: 0;
            background: transparent;
        }

        .faq-wrap .accordion-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }

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

        .faq-wrap .accordion-item.is-active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .faq-wrap .accordion-title {
            background: #fff;
            border: none;
            color: var(--color-dark);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            padding-right: 48px;
            position: relative;
            line-height: 1.5;
            border-radius: 0;
        }

        .faq-wrap .accordion-title:hover {
            background: #fff;
            color: var(--color-primary);
        }

        .faq-wrap .accordion-title::after {
            content: '+';
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-muted-bg);
            border-radius: 50%;
            font-size: 16px;
            font-weight: 400;
            color: var(--color-primary);
            transition: all .3s;
        }

        .faq-wrap .accordion-item.is-active .accordion-title::after {
            content: '−';
            background: var(--color-primary);
            color: #fff;
        }

        .faq-wrap .accordion-content {
            background: #FFFBF8;
            border-top: 1px dashed var(--color-border);
            padding: 20px 24px;
        }

        .faq-wrap .accordion-content p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-muted);
            margin: 0;
        }

        @media screen and (max-width: 640px) {
            .faq-wrap .accordion-title {
                font-size: 15px;
                padding: 16px 40px 16px 18px;
            }
            .faq-wrap .accordion-content {
                padding: 16px 18px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            padding: 64px 0 0;
            color: #fff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: all .25s;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .footer-contact li i {
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .06);
            border-radius: 8px;
            color: var(--color-primary);
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border-radius: 10px;
            color: #fff;
            font-size: 14px;
            transition: all .25s;
        }

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

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: rgba(255, 255, 255, .4);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
        }

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

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media screen and (max-width: 640px) {
            .site-footer {
                padding-top: 48px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 辅助 ===== */
        .text-primary {
            color: var(--color-primary);
        }

        .mt-1 {
            margin-top: 8px;
        }

        .mt-2 {
            margin-top: 16px;
        }

        .mt-3 {
            margin-top: 24px;
        }

        .mb-2 {
            margin-bottom: 16px;
        }

        .mb-3 {
            margin-bottom: 24px;
        }

        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: gap .25s;
        }

        .more-link:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        .section-divider {
            width: 64px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 4px;
            margin: 0 auto;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #FF4D6A;
  --color-primary-dark: #E23650;
  --color-primary-light: #FFE1E6;
  --color-muted-bg: #FFF3EF;
  --color-dark: #14161C;
  --color-dark-soft: #1E222A;
  --color-accent: #2F8F5B;
  --color-card: #FFFFFF;
  --color-text: #1E222A;
  --color-muted: #6B7280;
  --color-border: #E8E1DE;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-badge: 999px;
  --shadow-sm: 0 2px 8px rgba(20, 22, 28, .06);
  --shadow-md: 0 8px 24px rgba(20, 22, 28, .08);
  --shadow-lg: 0 16px 40px rgba(20, 22, 28, .14);
  --space-section: 96px;
  --space-section-sm: 64px;
  --font-stack: -apple-system, BlinkMacSystemFont, PingFang SC, Hiragino Sans GB, Microsoft YaHei, sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: #FFFDFC;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; object-fit: cover; }
a { color: var(--color-text); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--color-primary); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 4px; }

/* ===== 通用容器 ===== */
.container, .custom-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 77, 106, .25);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: #C02540;
  transform: none;
  box-shadow: none;
}
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-ghost:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}
.btn-ghost:active {
  background: #FFD1D9;
  transform: none;
}
.btn-ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .7);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}
.btn-lg { padding: 14px 36px; font-size: 16px; border-radius: 14px; }
.btn-block { display: flex; width: 100%; }

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-badge);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2px;
}
.badge-accent { background: rgba(47, 143, 91, .12); color: var(--color-accent); }
.badge-dark { background: var(--color-dark); color: #fff; }
.badge-tag {
  display: inline-flex;
  padding: 3px 12px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 600;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.badge-tag.green { background: rgba(47, 143, 91, .12); color: var(--color-accent); }

/* ===== 促销条 ===== */
.top-promo-bar {
  background: var(--color-dark);
  color: rgba(255, 255, 255, .9);
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
}
.promo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1320px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}
.promo-text {
  flex: 1;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.promo-text .promo-hot {
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 6px;
}
.promo-text a {
  color: #fff;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, .4);
  margin-left: 4px;
  transition: color .2s;
}
.promo-text a:hover { color: var(--color-primary); border-color: var(--color-primary); }
.promo-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  transition: color .2s, transform .2s;
  flex-shrink: 0;
}
.promo-close:hover { color: #fff; transform: scale(1.15); }
@media (max-width: 640px) {
  .promo-text { font-size: 12px; }
  .promo-close { display: none; }
}

/* ===== 主导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid rgba(232, 225, 222, .8);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 1px 8px rgba(20, 22, 28, .03);
}
.nav-wrap {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 72px;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(255, 77, 106, .3);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: .5px;
  line-height: 1.2;
}
.nav-links ul {
  display: flex;
  gap: 6px;
  list-style: none;
}
.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  border-radius: 10px;
  transition: all .25s ease;
}
.nav-links a:hover { color: var(--color-primary); background: var(--color-muted-bg); }
.nav-links a.active { color: var(--color-primary); background: var(--color-primary-light); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  background: #F7F7F8;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0 4px 0 14px;
  height: 42px;
  width: 240px;
  transition: border-color .25s, box-shadow .25s;
}
.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background: #fff;
}
.search-box i { color: var(--color-muted); font-size: 14px; }
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  flex: 1;
  padding: 0 10px;
  font-size: 14px;
  color: var(--color-text);
  min-width: 0;
}
.search-box .search-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 9px;
  height: 34px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .25s;
  white-space: nowrap;
}
.search-box .search-btn:hover { background: var(--color-primary-dark); }
.nav-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: var(--color-dark);
  font-size: 16px;
  transition: all .25s;
}
.nav-icon:hover {
  color: var(--color-primary);
  background: var(--color-muted-bg);
}
.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  line-height: 1;
  border: 2px solid #fff;
}
.nav-cta { display: inline-flex; }
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--color-dark);
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
}
.nav-toggle:hover { color: var(--color-primary); background: var(--color-muted-bg); }

/* ===== Off-canvas 移动抽屉 ===== */
.off-canvas {
  background: #fff;
  width: 320px;
  padding: 24px;
  box-shadow: -8px 0 30px rgba(20, 22, 28, .08);
}
.off-canvas .close-button {
  color: var(--color-muted);
  font-size: 28px;
  line-height: 1;
}
.off-canvas .close-button:hover { color: var(--color-primary); }
.mobile-nav { margin-top: 32px; }
.mobile-nav li { border-bottom: 1px solid var(--color-border); }
.mobile-nav a {
  display: block;
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  transition: all .2s;
}
.mobile-nav a:hover { color: var(--color-primary); padding-left: 14px; }
.mobile-nav a.active { color: var(--color-primary); }
.mobile-search {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-search input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 14px;
  outline: none;
  background: #F9F9FA;
  transition: border-color .25s, box-shadow .25s;
}
.mobile-search input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background: #fff;
}
.mobile-menu-cta { margin-top: 12px; }
.js-off-canvas-exit { background: rgba(20, 22, 28, .45); }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--color-muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: var(--color-border); font-weight: 700; }
.breadcrumb .current { color: var(--color-text); font-weight: 500; }

/* ===== 分类页 Hero ===== */
.category-hero {
  background: linear-gradient(135deg, #FFF9F5 0%, #FFF0EE 60%, #FFE8EC 100%);
  padding: 64px 0 56px;
  border-bottom: 1px solid rgba(232, 225, 222, .5);
}
.category-hero-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.category-hero-left { flex: 1; max-width: 680px; }
.category-hero-left .badge { margin-bottom: 18px; }
.category-hero-left h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-dark);
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.category-hero-left p {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 560px;
}
.category-hero-right {
  flex-shrink: 0;
  width: 360px;
  position: relative;
}
.hero-stats-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  position: relative;
  overflow: hidden;
}
.hero-stats-card::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 90px;
  height: 90px;
  background: var(--color-primary-light);
  border-radius: 50%;
}
.hero-stats-card::after {
  content: '';
  position: absolute;
  bottom: -24px;
  left: -24px;
  width: 60px;
  height: 60px;
  background: rgba(47, 143, 91, .08);
  border-radius: 50%;
}
.stat-item { position: relative; z-index: 1; }
.stat-item .stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.1;
  display: block;
}
.stat-item .stat-label {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 4px;
  display: block;
}
.stat-item:nth-child(2) .stat-num { color: var(--color-primary); }
.stat-item:nth-child(3) .stat-num { color: var(--color-accent); }
.stat-item:last-child .stat-num { color: var(--color-primary-dark); }

/* ===== 筛选工具条 ===== */
.filter-toolbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: sticky;
  top: 72px;
  z-index: 50;
  box-shadow: 0 2px 12px rgba(20, 22, 28, .03);
}
.filter-toolbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.filter-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-light) transparent;
  -webkit-overflow-scrolling: touch;
  flex: 1;
}
.filter-tabs::-webkit-scrollbar { height: 4px; }
.filter-tabs::-webkit-scrollbar-thumb { background: var(--color-primary-light); border-radius: 4px; }
.filter-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
  white-space: nowrap;
  transition: all .25s ease;
  cursor: pointer;
}
.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 77, 106, .2);
}
.sort-wrap { flex-shrink: 0; }
.sort-select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 9px 38px 9px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 16px center;
  cursor: pointer;
  transition: border-color .25s, box-shadow .25s;
  outline: none;
}
.sort-select:hover { border-color: var(--color-primary); }
.sort-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ===== 分类内容卡片 ===== */
.catalog-section { padding: var(--space-section) 0; background: #fff; }
.section-head {
  margin-bottom: 48px;
  max-width: 640px;
}
.section-head .badge { margin-bottom: 14px; }
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: .3px;
}
.section-head p { font-size: 16px; color: var(--color-muted); }
.catalog-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.catalog-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}
.catalog-card-img img {
  width: 100%;
  height: 100%;
  transition: transform .4s ease;
}
.catalog-card:hover .catalog-card-img img { transform: scale(1.03); }
.catalog-card-img .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 22, 28, .25), transparent 60%);
}
.catalog-card-img .badge-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
}
.catalog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.catalog-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 10px;
  transition: color .2s;
}
.catalog-card-body h3 a { color: inherit; }
.catalog-card-body h3 a:hover { color: var(--color-primary); }
.catalog-card-body p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.catalog-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-muted);
}
.catalog-meta .meta-item { display: inline-flex; align-items: center; gap: 5px; }
.catalog-meta .meta-item i { font-size: 12px; }
.catalog-meta .fav-btn {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--color-muted);
  font-size: 15px;
  cursor: pointer;
  padding: 4px;
  transition: color .2s;
}
.catalog-meta .fav-btn:hover { color: var(--color-primary); }
.catalog-meta .fav-btn.faved { color: var(--color-primary); }

/* ===== 分页 ===== */
.pagination-wrap {
  margin-top: 56px;
  display: flex;
  justify-content: center;
}
.pagination {
  display: flex;
  gap: 8px;
  list-style: none;
  align-items: center;
}
.pagination li a,
.pagination li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  transition: all .25s ease;
  cursor: pointer;
}
.pagination li a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.pagination li.current a,
.pagination li.current span {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  cursor: default;
  box-shadow: 0 4px 12px rgba(255, 77, 106, .2);
}
.pagination li.disabled a,
.pagination li.disabled span {
  opacity: .4;
  pointer-events: none;
  cursor: not-allowed;
}
.pagination li.next a,
.pagination li.prev a {
  gap: 6px;
}

/* ===== 卖点板块 ===== */
.features-section {
  padding: var(--space-section) 0;
  background: var(--color-muted-bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  position: relative;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.feature-card .feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.feature-card:nth-child(2) .feature-icon {
  background: rgba(47, 143, 91, .12);
  color: var(--color-accent);
}
.feature-card:nth-child(3) .feature-icon {
  background: rgba(255, 77, 106, .1);
  color: var(--color-primary-dark);
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}
.feature-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.8;
}

/* ===== 适用场景板块 ===== */
.scenarios-section {
  padding: var(--space-section) 0;
  background: #fff;
}
.scenarios-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.scenarios-visual {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 420px;
}
.scenarios-visual img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
}
.scenarios-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 22, 28, .55), rgba(20, 22, 28, .1) 70%);
}
.scenarios-quote {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  z-index: 2;
  color: #fff;
  padding: 20px 24px;
  background: rgba(20, 22, 28, .35);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .15);
}
.scenarios-quote p {
  font-size: 15px;
  line-height: 1.7;
  font-weight: 500;
}
.scenarios-list { display: flex; flex-direction: column; gap: 24px; }
.scenario-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-muted-bg);
  border-radius: 14px;
  border-left: 4px solid var(--color-primary);
  transition: background .3s, transform .3s;
}
.scenario-item:hover { background: var(--color-primary-light); transform: translateX(4px); }
.scenario-item .scenario-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  min-width: 32px;
}
.scenario-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.scenario-item p { font-size: 14px; color: var(--color-muted); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-section) 0;
  background: var(--color-muted-bg);
}
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion {
  margin-top: 40px;
  list-style: none;
  border: none;
  background: transparent;
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .3s, border-color .3s;
}
.accordion-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.accordion-item.is-active { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  transition: color .25s;
  line-height: 1.5;
}
.accordion-title:hover { color: var(--color-primary); }
.accordion-item.is-active .accordion-title { color: var(--color-primary); }
.accordion-title::before {
  content: '';
  position: static;
  width: auto;
  height: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 14px;
  margin: 0;
  flex-shrink: 0;
}
.accordion-item.is-active .accordion-title::before {
  content: '−';
  background: var(--color-primary);
  color: #fff;
}
.accordion-item:not(.is-active) .accordion-title::before {
  content: '+';
}
.accordion-content {
  padding: 0 24px 24px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}
.accordion-content p { margin: 0; }
.accordion-content[aria-hidden="false"] { padding-top: 4px; }

/* ===== CTA ===== */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 22, 28, .9), rgba(20, 22, 28, .75)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  z-index: 0;
}
.cta-section::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(255, 77, 106, .2), transparent 70%);
  z-index: 0;
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, .75);
  line-height: 1.8;
  margin-bottom: 36px;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-btns .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
}
.cta-btns .btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
}
.cta-btns .btn-ghost-light {
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}
.cta-btns .btn-ghost-light:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, .7);
  padding: 72px 0 0;
  font-size: 14px;
  line-height: 1.8;
}
.site-footer a {
  color: rgba(255, 255, 255, .7);
  transition: color .25s;
}
.site-footer a:hover { color: var(--color-primary); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; opacity: .75; max-width: 320px; margin-bottom: 24px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .06);
  border-radius: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, .6);
  transition: all .25s;
}
.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .3px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  line-height: 1.6;
}
.footer-col ul li a:hover { padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  opacity: .8;
}
.footer-contact li i { color: var(--color-primary); margin-top: 5px; width: 16px; text-align: center; }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}
.footer-bottom a { color: rgba(255, 255, 255, .5); }
.footer-bottom a:hover { color: var(--color-primary); }

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .search-box { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .category-hero-wrap { flex-direction: column; gap: 32px; }
  .category-hero-right { width: 100%; max-width: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .scenarios-layout { grid-template-columns: 1fr; }
  .scenarios-visual { min-height: 300px; position: relative; }
}
@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .category-hero { padding: 48px 0 40px; }
  .category-hero-left h1 { font-size: 28px; }
  .filter-toolbar { position: static; }
  .filter-toolbar .container { flex-direction: column; align-items: stretch; gap: 14px; }
  .filter-tabs { width: 100%; }
  .sort-wrap { width: 100%; }
  .sort-select { width: 100%; }
  .features-grid { grid-template-columns: 1fr; }
  .cta-inner h2 { font-size: 26px; }
  .stat-item .stat-num { font-size: 26px; }
}
@media (max-width: 520px) {
  .nav-wrap { padding: 0 14px; gap: 12px; min-height: 64px; }
  .logo-text { font-size: 19px; }
  .logo-icon { width: 36px; height: 36px; font-size: 17px; border-radius: 10px; }
  .nav-actions { gap: 6px; }
  .nav-icon { width: 36px; height: 36px; font-size: 15px; }
  .category-hero-left h1 { font-size: 24px; }
  .category-hero-left p { font-size: 15px; }
  .hero-stats-card { padding: 20px 16px; gap: 16px; }
  .stat-item .stat-num { font-size: 24px; }
  .catalog-card-img { height: 160px; }
  .catalog-card-body { padding: 18px; }
  .catalog-card-body h3 { font-size: 16px; }
  .catalog-meta { flex-wrap: wrap; gap: 8px; font-size: 12px; }
  .pagination li a, .pagination li span { min-width: 36px; height: 36px; padding: 0 10px; font-size: 13px; }
  .section-head h2 { font-size: 24px; }
  .feature-card { padding: 24px 20px; }
  .scenario-item { flex-direction: column; gap: 8px; }
  .cta-btns .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { padding: 20px 0; font-size: 12px; }
}