/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #2F6BED;
            --primary-light: #EAF1FE;
            --primary-bg: #F2F7FF;
            --accent: #FF6A3D;
            --green: #12B78A;
            --text-dark: #16294D;
            --text-muted: #5B6B85;
            --bg: #F8FAFE;
            --card-bg: #FFFFFF;
            --border: #E6EDF8;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --shadow: 0 8px 24px rgba(23, 52, 98, .08);
            --shadow-hover: 0 16px 36px rgba(23, 52, 98, .14);
            --font: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text-dark);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-padding {
            padding: 96px 0;
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: 56px 0;
            }

            body {
                padding-bottom: 80px;
            }
        }

        /* ============ 通用组件 ============ */
        .btn {
            height: 48px;
            padding: 0 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            transition: all .25s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(47, 107, 237, .28);
        }

        .btn-primary-custom:hover {
            background: #1e56d4;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(47, 107, 237, .36);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 106, 61, .28);
        }

        .btn-accent:hover {
            background: #e8552c;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 106, 61, .36);
            color: #fff;
        }

        .btn-outline-custom {
            background: #fff;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-custom:hover {
            background: var(--primary-bg);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(47, 107, 237, .16);
        }

        .badge-cat {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            line-height: 1.4;
        }

        .badge-green {
            background: rgba(18, 183, 138, .12);
            color: var(--green);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
        }

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

        .section-header .sec-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .section-header h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.25rem);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto;
        }

        @media (max-width: 767.98px) {
            .section-header {
                margin-bottom: 32px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .section-header p {
                font-size: 15px;
            }
        }

        /* ============ 顶部导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: transparent;
            transition: all .35s ease;
            backdrop-filter: blur(0);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 4px 20px rgba(23, 52, 98, .08);
            backdrop-filter: blur(10px);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .brand-logo .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(47, 107, 237, .3);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu .nav-link-custom {
            font-weight: 500;
            color: var(--text-dark);
            font-size: 16px;
            padding: 6px 0;
            position: relative;
            transition: color .25s ease;
        }

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

        .nav-menu .nav-link-custom:hover,
        .nav-menu .nav-link-custom.active {
            color: var(--primary);
        }

        .nav-menu .nav-link-custom:hover::after,
        .nav-menu .nav-link-custom.active::after {
            width: 100%;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-cta .btn {
            height: 42px;
            padding: 0 20px;
            font-size: 15px;
        }

        .header-nav-wrapper {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        @media (max-width: 991.98px) {
            .nav-menu {
                gap: 24px;
            }

            .header-nav-wrapper {
                gap: 20px;
            }

            .nav-cta .btn {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .site-header .navbar-inner {
                height: 60px;
                justify-content: center;
            }

            .site-header .brand-logo {
                font-size: 17px;
            }

            .site-header .brand-logo .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }

            .site-header .nav-menu,
            .site-header .nav-cta {
                display: none;
            }
        }

        /* ============ 移动端底部 Tab ============ */
        .mobile-bottom-tab {
            display: none;
        }

        @media (max-width: 767.98px) {
            .mobile-bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                width: 100%;
                height: 56px;
                background: rgba(255, 255, 255, .97);
                box-shadow: 0 -4px 24px rgba(23, 52, 98, .08);
                z-index: 1100;
                padding-bottom: env(safe-area-inset-bottom);
                border-top: 1px solid var(--border);
                align-items: stretch;
            }

            .mobile-bottom-tab .tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2px;
                color: var(--text-muted);
                font-size: 11px;
                font-weight: 500;
                transition: color .2s ease;
            }

            .mobile-bottom-tab .tab-item i {
                font-size: 22px;
                line-height: 1;
            }

            .mobile-bottom-tab .tab-item.active,
            .mobile-bottom-tab .tab-item:hover {
                color: var(--primary);
            }
        }

        /* ============ Hero 首屏 ============ */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-bg) 0%, #FFFFFF 100%);
            padding-top: 120px;
            padding-bottom: 60px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(47, 107, 237, .08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-left {
            padding-right: 40px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 106, 61, .12);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 24px;
        }

        .hero-left h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

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

        .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 460px;
        }

        .hero-cta-grp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            font-family: 'DIN Alternate', 'Arial', sans-serif;
            line-height: 1.2;
        }

        .hero-stat-item .num .unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .hero-stat-item .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .hero-media {
            position: relative;
            max-width: 420px;
            margin: 0 auto;
        }

        .hero-media-frame {
            position: relative;
            aspect-ratio: 9/16;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(23, 52, 98, .18);
            background: #e8edf5;
        }

        .hero-media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 56px;
            height: 56px;
            background: rgba(255, 255, 255, .85);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            box-shadow: 0 4px 20px rgba(23, 52, 98, .2);
            transition: all .3s ease;
            cursor: pointer;
            z-index: 2;
        }

        .hero-play-btn:hover {
            transform: translate(-50%, -50%) scale(1.1);
            background: #fff;
        }

        .hero-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            box-shadow: 0 4px 12px rgba(255, 106, 61, .3);
            z-index: 2;
        }

        .hero-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            background: rgba(255, 255, 255, .9);
            border-radius: 12px;
            padding: 10px 14px;
            font-size: 13px;
            color: var(--text-dark);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 2;
        }

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

        @media (max-width: 991.98px) {
            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 48px;
            }

            .hero-left {
                padding-right: 0;
                margin-bottom: 48px;
                text-align: center;
            }

            .hero-left .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-cta-grp {
                justify-content: center;
            }

            .hero-stats {
                justify-content: center;
            }

            .hero-media {
                max-width: 320px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                min-height: 100svh;
                padding-top: 90px;
                padding-bottom: 40px;
            }

            .hero-left h1 {
                font-size: 1.75rem;
                line-height: 1.3;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-cta-grp .btn {
                width: 100%;
            }

            .hero-stats {
                gap: 20px;
                justify-content: space-between;
            }

            .hero-stat-item .num {
                font-size: 22px;
            }
        }

        /* ============ 爆款片段卡 ============ */
        .hot-section {
            background: #fff;
        }

        .hot-scroll-wrap {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px 24px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

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

        .hot-scroll-wrap::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }

        .hot-scroll-wrap::-webkit-scrollbar-track {
            background: transparent;
        }

        .hot-card {
            flex: 0 0 240px;
            aspect-ratio: 9/16;
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            scroll-snap-align: start;
            cursor: pointer;
            transition: transform .3s ease, box-shadow .3s ease;
            box-shadow: var(--shadow);
            background: #e8edf5;
        }

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

        .hot-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hot-card .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 14px 14px;
            background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, .55) 100%);
            color: #fff;
            z-index: 2;
        }

        .hot-card .hot-title {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-card .hot-duration {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0, 0, 0, .7);
            color: #fff;
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 6px;
            z-index: 2;
            font-weight: 500;
        }

        .hot-card .hot-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, .85);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            z-index: 2;
            transition: all .3s ease;
        }

        .hot-card:hover .hot-play {
            box-shadow: 0 0 0 8px rgba(47, 107, 237, .2);
            transform: translate(-50%, -50%) scale(1.05);
        }

        @media (max-width: 767.98px) {
            .hot-card {
                flex: 0 0 170px;
            }

            .hot-scroll-wrap {
                padding-right: 20px;
                margin-right: -20px;
            }
        }

        /* ============ 种草清单 ============ */
        .list-section {
            background: var(--bg);
        }

        .seed-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 24px;
        }

        .seed-card-large {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background: linear-gradient(135deg, #16294D 0%, #2F6BED 100%);
            color: #fff;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 420px;
            box-shadow: var(--shadow);
            background-size: cover;
            background-position: center;
        }

        .seed-card-large .seed-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            opacity: .45;
        }

        .seed-card-large .seed-content {
            position: relative;
            z-index: 1;
        }

        .seed-card-large .seed-tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .seed-card-large .seed-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .seed-card-large .seed-desc {
            font-size: 15px;
            opacity: .9;
            margin-bottom: 20px;
            max-width: 400px;
        }

        .seed-card-large .seed-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .seed-card-large .seed-price {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
        }

        .seed-card-large .seed-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
        }

        .seed-card-large .seed-rating i {
            color: #FFC107;
        }

        .seed-card-small-wrap {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .seed-card-small {
            background: var(--card-bg);
            border-radius: 18px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 20px;
            display: flex;
            gap: 16px;
            align-items: center;
            transition: all .3s ease;
            flex: 1;
        }

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

        .seed-card-small .seed-thumb {
            width: 100px;
            height: 100px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            background: #e8edf5;
        }

        .seed-card-small .seed-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .seed-card-small .seed-info {
            flex: 1;
        }

        .seed-card-small .seed-small-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .seed-card-small .seed-small-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .seed-card-small .seed-small-rating i {
            color: #FFC107;
            font-size: 12px;
        }

        .seed-card-small .seed-small-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .seed-card-small .seed-small-price {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
        }

        .seed-card-small .btn {
            height: 34px;
            padding: 0 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        @media (max-width: 991.98px) {
            .seed-grid {
                grid-template-columns: 1fr;
            }

            .seed-card-large {
                min-height: 320px;
            }

            .seed-card-small-wrap {
                flex-direction: row;
            }

            .seed-card-small {
                flex: 1;
            }
        }

        @media (max-width: 575.98px) {
            .seed-card-large {
                padding: 28px 20px;
                min-height: 280px;
            }

            .seed-card-large .seed-title {
                font-size: 22px;
            }

            .seed-card-small-wrap {
                flex-direction: column;
            }
        }

        /* ============ 口碑条 ============ */
        .review-section {
            background: #fff;
        }

        .review-summary {
            background: var(--primary-bg);
            border-radius: 20px;
            padding: 40px 32px;
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .review-summary .score {
            font-size: 72px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1;
            font-family: 'DIN Alternate', 'Arial', sans-serif;
            margin-bottom: 12px;
        }

        .review-summary .stars {
            color: #FFC107;
            font-size: 20px;
            margin-bottom: 16px;
            letter-spacing: 4px;
        }

        .review-summary .rate {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .review-summary .count {
            font-size: 14px;
            color: var(--text-muted);
        }

        .review-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 4px;
            height: 100%;
            align-items: stretch;
            -webkit-overflow-scrolling: touch;
        }

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

        .review-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }

        .review-card {
            flex: 0 0 280px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: box-shadow .3s ease;
        }

        .review-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .review-card .quote-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        .review-card .review-text {
            font-size: 15px;
            line-height: 1.6;
            color: var(--text-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

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

        .review-card .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            overflow: hidden;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
        }

        .review-card .review-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
        }

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

        @media (max-width: 991.98px) {
            .review-summary {
                margin-bottom: 24px;
                padding: 32px 24px;
            }

            .review-summary .score {
                font-size: 56px;
            }
        }

        /* ============ 一键跟买 ============ */
        .buy-section {
            background: linear-gradient(135deg, var(--primary-bg) 0%, #EAF1FE 100%);
            padding: 80px 0;
        }

        .buy-inner {
            text-align: center;
        }

        .buy-inner h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.25rem);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .buy-inner .buy-sub {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 36px;
        }

        .buy-btn-wrap {
            margin-bottom: 40px;
        }

        .buy-btn-wrap .btn {
            min-width: 220px;
            height: 52px;
            font-size: 17px;
            border-radius: 14px;
        }

        .buy-trust {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
        }

        .trust-item .trust-icon {
            width: 36px;
            height: 36px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--green);
            font-size: 15px;
            box-shadow: 0 4px 12px rgba(23, 52, 98, .08);
        }

        @media (max-width: 767.98px) {
            .buy-section {
                padding: 56px 0;
            }

            .buy-trust {
                flex-direction: column;
                gap: 16px;
                align-items: center;
            }

            .buy-inner .buy-sub {
                font-size: 15px;
                margin-bottom: 28px;
            }

            .buy-btn-wrap .btn {
                min-width: 100%;
                max-width: 280px;
            }
        }

        /* ============ 最新资讯 CMS ============ */
        .news-section {
            background: var(--bg);
        }

        .news-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 20px;
            box-shadow: var(--shadow);
            transition: all .3s ease;
            margin-bottom: 16px;
            align-items: center;
        }

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

        .news-thumb {
            width: 96px;
            height: 96px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            background: #e8edf5;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .news-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }

        .news-time {
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .news-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link i {
            font-size: 12px;
            transition: transform .3s ease;
        }

        .news-card:hover .news-link i {
            transform: translateX(4px);
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px dashed var(--border);
            max-width: 560px;
            margin: 0 auto;
        }

        .empty-icon {
            width: 64px;
            height: 64px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--primary);
            font-size: 24px;
        }

        .empty-state p {
            color: var(--text-muted);
            font-size: 15px;
        }

        .news-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        @media (max-width: 575.98px) {
            .news-card {
                flex-direction: row;
                padding: 14px;
                gap: 14px;
            }

            .news-thumb {
                width: 80px;
                height: 80px;
            }

            .news-title {
                font-size: 15px;
            }

            .news-desc {
                font-size: 13px;
            }

            .news-time {
                font-size: 12px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--card-bg);
            transition: box-shadow .3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-item.expanded {
            background: var(--primary-bg);
            border-color: var(--primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: 52px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            user-select: none;
        }

        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.expanded .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.expanded .faq-answer {
            padding: 0 20px 20px;
            max-height: 500px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #16294D;
            color: #8D9BB8;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand {
            margin-bottom: 20px;
        }

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

        .footer-brand .brand-logo .logo-mark {
            background: var(--primary);
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.7;
            color: #8D9BB8;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #8D9BB8;
            font-size: 14px;
            transition: color .25s ease;
        }

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

        .footer-contact-item {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: 14px;
            margin-bottom: 12px;
            color: #8D9BB8;
        }

        .footer-contact-item i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #66738C;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding-top: 48px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
        }

        /* ============ 通用响应式 ============ */
        @media (max-width: 767.98px) {
            .hero-section {
                padding-top: 80px;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .section-header .sec-tag {
                font-size: 13px;
                padding: 4px 14px;
            }

            .btn {
                height: 44px;
                padding: 0 20px;
                font-size: 15px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-stats .hero-stat-item:nth-child(3) {
                width: 100%;
                text-align: center;
            }
        }

        /* Bootstrap 覆盖 */
        .btn {
            border-radius: 12px;
        }

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

        .btn-primary:hover {
            background: #1e56d4;
            border-color: #1e56d4;
        }

        .card {
            border-color: var(--border);
            border-radius: 14px;
            box-shadow: var(--shadow);
        }

        .badge {
            border-radius: 50px;
        }

        .accordion-item {
            border-color: var(--border);
            border-radius: 14px;
            overflow: hidden;
        }

        .accordion-button {
            background-color: var(--card-bg);
            color: var(--text-dark);
            font-weight: 600;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background-color: var(--primary-bg);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

/* roulang page: category1 */
:root {
  --primary: #2F6BED;
  --primary-600: #1E56C8;
  --primary-light: #EAF1FE;
  --bg-tint: #F2F7FF;
  --accent: #FF6A3D;
  --accent-dark: #E8532C;
  --success: #12B78A;
  --text-main: #16294D;
  --text-muted: #5B6B85;
  --bg-body: #F8FAFE;
  --card-bg: #FFFFFF;
  --border-color: #E6EDF8;
  --shadow-sm: 0 8px 24px rgba(23, 52, 98, .08);
  --shadow-lg: 0 16px 36px rgba(23, 52, 98, .14);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s; }
ul, ol { list-style: none; padding: 0; margin: 0; }
button { font-family: inherit; }
section[id], div[id] { scroll-margin-top: 90px; }
.container { max-width: 1200px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  padding: 12px 26px;
  font-size: 1rem;
  line-height: 1.5;
  transition: transform .25s, box-shadow .25s, background-color .25s, border-color .25s, color .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, .nav-link-custom:focus-visible, .accordion-button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  box-shadow: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 18px rgba(47, 107, 237, .28);
}
.btn-primary:hover { background: var(--primary-600); color: #fff; box-shadow: var(--shadow-lg); }
.btn-outline {
  background: #fff;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary-light); color: var(--primary); }
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 106, 61, .32);
}
.btn-accent:hover { background: var(--accent-dark); color: #fff; box-shadow: var(--shadow-lg); }
.btn-ghost {
  background: rgba(255,255,255,.75);
  border: 1px solid #fff;
  color: var(--text-main);
}
.btn-ghost:hover { background: #fff; color: var(--text-main); }
.btn-lg { padding: 15px 34px; font-size: 1.05rem; border-radius: 14px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: background .3s, box-shadow .3s, border-color .3s;
}
.site-header.scrolled {
  background: rgba(255,255,255,.96);
  border-bottom-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}
.site-header .navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-main);
  white-space: nowrap;
}
.brand-logo .logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 6px 16px rgba(47, 107, 237, .28);
  flex: 0 0 auto;
}
.header-nav-wrapper { display: flex; align-items: center; gap: 24px; }
.nav-menu { display: flex; gap: 6px; }
.nav-menu .nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: .95rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: background .25s, color .25s, transform .25s;
}
.nav-menu .nav-link-custom:hover { color: var(--primary); background: var(--primary-light); transform: translateY(-1px); }
.nav-menu .nav-link-custom.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav-cta .btn-accent { padding: 10px 22px; font-size: .95rem; }

/* ===== Bottom Tab (mobile) ===== */
.mobile-tabbar {
  display: none;
}

/* ===== Breadcrumb ===== */
.breadcrumb-nav {
  padding: 88px 0 0;
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg-body) 100%);
}
.breadcrumb-nav .breadcrumb { margin-bottom: 0; padding: 16px 0; background: transparent; }
.breadcrumb-nav .breadcrumb-item {
  font-size: .85rem;
  color: var(--text-muted);
}
.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: #B8C4DB; }
.breadcrumb-nav .breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-nav .breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-nav .breadcrumb-item.active { color: var(--text-main); font-weight: 600; }

/* ===== Category Hero ===== */
.cat-hero {
  position: relative;
  padding: 40px 0 80px;
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg-body) 100%);
  overflow: hidden;
}
.cat-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border-color);
  color: var(--primary);
  font-size: .85rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.cat-hero h1 {
  font-size: clamp(2rem, 4.6vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  margin: 20px 0 16px;
}
.cat-hero h1 .keyword { color: var(--primary); }
.cat-hero .hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 28px;
}
.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: .88rem;
  color: var(--text-muted);
}
.hero-note i { color: var(--success); }
.hero-media {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 340px;
  box-shadow: var(--shadow-lg);
  background-size: cover;
  background-position: center;
}
.hero-media-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px;
  background: linear-gradient(to top, rgba(22, 41, 77, .75) 0%, transparent 70%);
  color: #fff;
}
.hero-media-content .media-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  background: var(--accent);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.hero-media-content p { font-size: .95rem; line-height: 1.6; margin: 0; opacity: .95; }

/* ===== Stats ===== */
.stats-strip { margin-top: -46px; position: relative; z-index: 5; padding-bottom: 20px; }
.stats-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: transform .3s, box-shadow .3s;
}
.stats-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stats-num { font-size: 1.8rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
.stats-label { font-size: .86rem; color: var(--text-muted); margin-top: 6px; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-alt { background: #fff; }
.section-head { margin-bottom: 48px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  background: var(--primary-light);
  border-radius: 999px;
  color: var(--primary);
  font-weight: 600;
  font-size: .85rem;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-main);
  margin: 16px 0 10px;
  line-height: 1.3;
}
.section-head p { color: var(--text-muted); max-width: 680px; margin: 0; font-size: 1rem; }

/* ===== Scene (alternating) ===== */
.scene-row { margin-bottom: 56px; }
.scene-row:last-child { margin-bottom: 0; }
.scene-media {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.scene-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(47, 107, 237, .06) 0%, rgba(47, 107, 237, 0) 45%);
}
.scene-copy { padding: 12px 0; }
.scene-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 18px;
}
.scene-copy h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; color: var(--text-main); }
.scene-copy p { color: var(--text-muted); line-height: 1.75; margin-bottom: 18px; }
.scene-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: .95rem;
  transition: gap .25s;
}
.scene-link:hover { gap: 12px; color: var(--primary-600); }

/* ===== Steps ===== */
.steps-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  position: relative;
  transition: transform .3s, box-shadow .3s;
}
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 18px;
  box-shadow: 0 6px 14px rgba(47, 107, 237, .3);
}
.step-item h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.step-item p { color: var(--text-muted); font-size: .92rem; line-height: 1.65; margin: 0; }

/* ===== Content Cards ===== */
.content-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: transform .3s, box-shadow .3s;
}
.content-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.content-cover { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.content-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.content-card:hover .content-cover img { transform: scale(1.05); }
.content-cover::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(22, 41, 77, .3), transparent);
}
.content-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 13px;
  background: rgba(255,255,255,.92);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}
.content-body { padding: 20px 20px 22px; }
.content-body h3 { font-size: 1.08rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; line-height: 1.4; }
.content-body p { font-size: .88rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.content-foot { display: flex; align-items: center; justify-content: space-between; }
.rate { display: inline-flex; align-items: center; gap: 5px; font-weight: 700; color: var(--text-main); font-size: .9rem; }
.rate i { color: #F5B544; }
.buy-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: .9rem;
  transition: gap .25s;
}
.buy-link:hover { gap: 10px; color: var(--accent-dark); }

/* ===== FAQ ===== */
.faq-card .accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.faq-card .accordion-button {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  background: transparent;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-card .accordion-button::after { display: none; }
.faq-arrow {
  margin-left: auto;
  color: var(--primary);
  font-size: .9rem;
  transition: transform .3s;
  flex: 0 0 auto;
}
.faq-card .accordion-button:not(.collapsed) .faq-arrow { transform: rotate(180deg); }
.faq-card .accordion-button:not(.collapsed) { background: var(--primary-light); color: var(--primary); }
.faq-card .accordion-button:focus { box-shadow: none; border-color: transparent; }
.faq-card .accordion-body { padding: 0 22px 20px; color: var(--text-muted); font-size: .95rem; line-height: 1.75; }

/* ===== CTA Band ===== */
.cta-band {
  background: linear-gradient(135deg, var(--primary-light), var(--bg-tint));
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(47, 107, 237, .08);
  top: -80px;
  right: -80px;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 106, 61, .1);
  bottom: -60px;
  left: -50px;
}
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: #fff;
  border-radius: 999px;
  color: var(--accent);
  font-weight: 600;
  font-size: .85rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
}
.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--text-main);
  margin: 20px 0 12px;
  position: relative;
  z-index: 1;
}
.cta-band > p { color: var(--text-muted); margin-bottom: 30px; font-size: 1rem; position: relative; z-index: 1; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 34px; position: relative; z-index: 1; }
.trust-points { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; position: relative; z-index: 1; }
.trust-points span { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--text-main); font-weight: 500; }
.trust-points i { color: var(--success); font-size: 1rem; }

/* ===== Footer ===== */
.site-footer { background: var(--text-main); color: #B8C4DB; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 40px; }
.footer-brand .brand-logo { color: #fff; }
.footer-brand .logo-mark { background: linear-gradient(135deg, var(--primary), var(--primary-600)); color: #fff; }
.footer-about { font-size: .9rem; line-height: 1.7; margin-top: 18px; max-width: 320px; }
.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #B8C4DB; font-size: .9rem; transition: color .25s, padding-left .25s; }
.footer-links a:hover { color: #fff; padding-left: 6px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: .9rem; margin-bottom: 14px; color: #B8C4DB; }
.footer-contact-item i { color: var(--primary-light); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0; text-align: center; font-size: .85rem; color: #8FA0B8; }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .header-nav-wrapper { gap: 12px; }
  .nav-menu .nav-link-custom { padding: 8px 10px; font-size: .88rem; }
  .steps-wrap { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-band { padding: 48px 28px; }
}
@media (max-width: 767.98px) {
  body { padding-bottom: 80px; }
  .nav-menu, .nav-cta { display: none; }
  .site-header .navbar-inner { height: 62px; }
  .navbar-inner .brand-logo { font-size: 1.05rem; }
  .navbar-inner .logo-mark { width: 34px; height: 34px; }
  .breadcrumb-nav { padding-top: 76px; }
  .cat-hero { padding: 20px 0 60px; }
  .hero-media { min-height: 260px; margin-top: 12px; }
  .stats-strip { margin-top: -32px; }
  .stats-card { padding: 18px 10px; }
  .stats-num { font-size: 1.4rem; }
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 32px; }
  .scene-row { margin-bottom: 44px; }
  .scene-media { min-height: 220px; }
  .steps-wrap { grid-template-columns: 1fr; gap: 14px; }
  .cta-band { padding: 40px 22px; border-radius: 20px; }
  .trust-points { flex-direction: column; gap: 14px; }
  .mobile-tabbar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 56px;
    padding-bottom: env(safe-area-inset-bottom);
    background: #fff;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -8px 24px rgba(23, 52, 98, .1);
    z-index: 1100;
  }
  .mobile-tabbar .tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: .7rem;
    color: var(--text-muted);
    transition: color .2s;
  }
  .mobile-tabbar .tab-item i { font-size: 1.25rem; line-height: 1; }
  .mobile-tabbar .tab-item.active { color: var(--primary); font-weight: 600; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-footer { padding-top: 44px; }
}
@media (max-width: 575.98px) {
  .cat-hero h1 { font-size: 1.75rem; }
  .btn-lg { padding: 13px 24px; font-size: .95rem; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
  .stats-strip .col-6:nth-child(n+3) { margin-top: 0; }
}

/* roulang page: article */
:root {
            --primary: #2F6BED;
            --primary-light: #EAF1FE;
            --primary-bg: #F2F7FF;
            --accent: #FF6A3D;
            --success: #12B78A;
            --dark: #16294D;
            --text: #16294D;
            --text-secondary: #5B6B85;
            --bg: #F8FAFE;
            --card-bg: #FFFFFF;
            --border: #E6EDF8;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --shadow: 0 8px 24px rgba(23, 52, 98, .08);
            --shadow-hover: 0 16px 36px rgba(23, 52, 98, .14);
            --font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
            --transition: all .3s ease;
        }
        *, *::before, *::after { 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: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: var(--primary); transition: var(--transition); }
        a:hover { color: #1e4fc4; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding: 0 20px; margin: 0 auto; }
        @media (min-width: 768px) { .container { padding: 0 32px; } }

        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            height: 48px; padding: 0 28px; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 15px; border: none; cursor: pointer;
            transition: var(--transition); gap: 8px; text-decoration: none;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: #1e4fc4; color: #fff; }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #e8522a; color: #fff; }
        .btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
        .btn-outline:hover { background: var(--primary-light); color: var(--primary); }
        .btn-lg { height: 54px; padding: 0 38px; font-size: 16px; }
        .btn-sm { height: 38px; padding: 0 18px; font-size: 14px; border-radius: 10px; }

        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: transparent; transition: var(--transition);
            padding: 14px 0;
        }
        .site-header.scrolled {
            background: rgba(255,255,255,.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 20px rgba(23,52,98,.08);
            padding: 8px 0;
        }
        .navbar-inner {
            display: flex; align-items: center; justify-content: space-between;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex; align-items: center; gap: 10px;
            font-size: 20px; font-weight: 700; color: var(--dark);
            text-decoration: none; white-space: nowrap;
        }
        .logo-mark {
            display: inline-flex; align-items: center; justify-content: center;
            width: 36px; height: 36px; border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #5B8DEE);
            color: #fff; font-size: 16px; flex-shrink: 0;
        }
        .header-nav-wrapper {
            display: flex; align-items: center; gap: 28px;
        }
        .nav-menu {
            display: flex; list-style: none; gap: 6px; margin: 0; padding: 0;
        }
        .nav-link-custom {
            display: inline-flex; align-items: center;
            padding: 10px 16px; border-radius: 10px;
            font-size: 15px; font-weight: 500; color: var(--text);
            text-decoration: none; transition: var(--transition);
            position: relative;
        }
        .nav-link-custom:hover {
            color: var(--primary); background: var(--primary-light);
        }
        .nav-link-custom.active {
            color: var(--primary); font-weight: 600;
            background: var(--primary-light);
        }
        .nav-link-custom.active::after {
            content: ''; position: absolute; bottom: 4px; left: 16px; right: 16px;
            height: 2px; border-radius: 2px; background: var(--primary);
        }
        .nav-cta { flex-shrink: 0; }
        .nav-cta .btn { height: 42px; padding: 0 20px; font-size: 14px; }

        .mobile-tabbar {
            display: none;
        }

        .breadcrumb-bar {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            margin-top: 64px;
        }
        .breadcrumb-custom {
            display: flex; align-items: center; flex-wrap: wrap;
            gap: 8px; font-size: 14px; color: var(--text-secondary);
            list-style: none; margin: 0; padding: 0;
        }
        .breadcrumb-custom li { display: flex; align-items: center; gap: 8px; }
        .breadcrumb-custom li + li::before {
            content: '/'; color: #C3CFE0; font-weight: 400;
        }
        .breadcrumb-custom a { color: var(--text-secondary); }
        .breadcrumb-custom a:hover { color: var(--primary); }
        .breadcrumb-custom .current { color: var(--primary); font-weight: 500; }

        .article-header-section {
            position: relative;
            background: linear-gradient(180deg, var(--primary-bg) 0%, var(--bg) 100%);
            padding: 48px 0 36px;
            border-bottom: 1px solid var(--border);
        }
        .article-prefix-line {
            display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
            margin-bottom: 16px;
        }
        .brand-chip {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px; font-weight: 600; color: var(--primary);
            box-shadow: 0 2px 8px rgba(23,52,98,.06);
        }
        .category-badge {
            display: inline-flex; align-items: center;
            background: var(--primary); color: #fff;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px; font-weight: 600;
        }
        .article-title-wrap { max-width: 860px; }
        .article-title-wrap h1 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700; line-height: 1.35;
            color: var(--dark); margin: 0 0 18px;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex; align-items: center; flex-wrap: wrap;
            gap: 16px; color: var(--text-secondary); font-size: 14px;
        }
        .article-meta .meta-item {
            display: inline-flex; align-items: center; gap: 6px;
        }
        .article-meta .meta-item i { color: var(--primary); font-size: 14px; }
        .article-tags {
            display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
            margin-left: 4px;
        }
        .tag-pill {
            display: inline-flex; align-items: center;
            background: var(--primary-light); color: var(--primary);
            border-radius: 999px; padding: 4px 14px;
            font-size: 13px; font-weight: 500;
        }

        .article-content-section {
            padding: 48px 0 64px;
            background: var(--bg);
        }
        .article-content-wrap {
            max-width: 760px; margin: 0 auto;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 40px 32px;
        }
        .article-content-wrap p {
            font-size: 17px; line-height: 1.8; margin-bottom: 24px;
            color: #2A3B5E;
        }
        .article-content-wrap h2 {
            font-size: 1.5rem; font-weight: 700; color: var(--dark);
            margin: 32px 0 16px; line-height: 1.4;
        }
        .article-content-wrap h3 {
            font-size: 1.25rem; font-weight: 700; color: var(--dark);
            margin: 28px 0 14px; line-height: 1.4;
            padding-left: 12px; border-left: 4px solid var(--primary);
        }
        .article-content-wrap img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            margin: 24px 0;
        }
        .article-content-wrap blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-secondary);
            font-size: 15px; line-height: 1.7;
        }
        .article-content-wrap ul,
        .article-content-wrap ol {
            margin: 0 0 24px; padding-left: 22px;
        }
        .article-content-wrap li {
            font-size: 16px; line-height: 1.8; color: #2A3B5E;
            margin-bottom: 8px;
        }
        .article-content-wrap a {
            color: var(--primary); text-decoration: underline;
        }
        .article-content-wrap a:hover { color: #1e4fc4; }

        .article-empty-state {
            max-width: 620px; margin: 0 auto; text-align: center;
            padding: 72px 32px;
        }
        .empty-icon {
            width: 72px; height: 72px; border-radius: 50%;
            background: var(--primary-light);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 24px; font-size: 28px; color: var(--primary);
        }
        .article-empty-state h3 {
            font-size: 22px; font-weight: 700; color: var(--dark);
            margin-bottom: 12px;
        }
        .article-empty-state p {
            color: var(--text-secondary); margin-bottom: 28px;
        }

        .related-section {
            padding: 56px 0;
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }
        .section-header {
            display: flex; align-items: center; justify-content: space-between;
            margin-bottom: 28px;
        }
        .section-header h2 {
            font-size: 1.6rem; font-weight: 700; color: var(--dark);
            position: relative; padding-left: 16px;
        }
        .section-header h2::before {
            content: ''; position: absolute; left: 0; top: 50%;
            transform: translateY(-50%);
            width: 4px; height: 22px; border-radius: 4px;
            background: var(--primary);
        }
        .related-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px;
            transition: var(--transition);
            height: 100%;
            display: flex; flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-cover {
            border-radius: 10px; overflow: hidden;
            aspect-ratio: 16/10; margin-bottom: 14px;
            background: var(--primary-light);
        }
        .related-cover img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform .5s ease;
        }
        .related-card:hover .related-cover img { transform: scale(1.04); }
        .related-card-title {
            font-size: 15px; font-weight: 600; color: var(--text);
            margin-bottom: 10px; line-height: 1.5;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-date {
            font-size: 13px; color: var(--text-secondary);
            display: flex; align-items: center; gap: 6px;
            margin-top: auto;
        }
        .related-card-date i { color: var(--primary); }
        .back-links {
            display: flex; justify-content: center; gap: 16px;
            margin-top: 36px; flex-wrap: wrap;
        }

        .faq-section {
            padding: 56px 0;
            background: var(--bg);
        }
        .faq-list {
            max-width: 820px; margin: 0 auto;
            display: flex; flex-direction: column; gap: 14px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(47,107,237,.1);
        }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 16px 22px; cursor: pointer;
            min-height: 52px;
            font-size: 15px; font-weight: 600; color: var(--text);
            user-select: none;
        }
        .faq-arrow {
            transition: transform .3s ease;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.active .faq-arrow { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 15px; line-height: 1.7; color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            background: var(--primary-bg);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 72px 0;
            text-align: center;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(22,41,77,.94), rgba(47,107,237,.86));
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700; color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255,255,255,.85);
            font-size: 16px; margin-bottom: 30px;
            max-width: 520px; margin-left: auto; margin-right: auto;
        }
        .cta-section .btn {
            min-width: 200px; margin-bottom: 28px;
        }
        .trust-points {
            display: flex; justify-content: center; gap: 32px;
            flex-wrap: wrap;
        }
        .trust-point {
            display: flex; align-items: center; gap: 8px;
            color: rgba(255,255,255,.9);
            font-size: 14px;
        }
        .trust-point i {
            color: var(--success);
            font-size: 16px;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,.75);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand { margin-bottom: 14px; }
        .footer-brand .brand-logo {
            color: #fff;
        }
        .footer-brand .logo-mark {
            background: linear-gradient(135deg, var(--primary), #5B8DEE);
        }
        .footer-about {
            font-size: 14px; line-height: 1.7;
            color: rgba(255,255,255,.6);
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 15px; font-weight: 600; color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none; padding: 0; margin: 0;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: rgba(255,255,255,.6); font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff; padding-left: 4px;
        }
        .footer-contact-item {
            display: flex; align-items: center; gap: 10px;
            font-size: 14px; color: rgba(255,255,255,.6);
            margin-bottom: 12px;
        }
        .footer-contact-item i {
            color: var(--primary);
            width: 18px; text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }

        @media (min-width: 576px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (min-width: 768px) {
            .article-content-wrap { padding: 48px 56px; }
            .breadcrumb-bar { margin-top: 0; }
            .site-header { padding: 18px 0; }
            .site-header.scrolled { padding: 10px 0; }
            .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.2fr; }
        }

        @media (min-width: 992px) {
            .article-content-wrap { padding: 56px 64px; }
        }

        @media (max-width: 767px) {
            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0; left: 0; right: 0; z-index: 2000;
                background: rgba(255,255,255,.96);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                border-top: 1px solid var(--border);
                box-shadow: 0 -4px 20px rgba(23,52,98,.06);
                height: calc(56px + env(safe-area-inset-bottom));
                padding-bottom: env(safe-area-inset-bottom);
            }
            .tab-item {
                flex: 1;
                display: flex; flex-direction: column;
                align-items: center; justify-content: center;
                gap: 2px;
                font-size: 11px; color: var(--text-secondary);
                text-decoration: none;
                transition: var(--transition);
            }
            .tab-item i { font-size: 20px; }
            .tab-item.active {
                color: var(--primary);
                font-weight: 600;
            }
            body {
                padding-bottom: 80px;
            }
            .header-nav-wrapper {
                display: none;
            }
            .brand-logo { font-size: 17px; }
            .logo-mark { width: 32px; height: 32px; font-size: 14px; }
            .breadcrumb-bar { margin-top: 56px; padding: 10px 0; }
            .article-header-section { padding: 32px 0 28px; }
            .article-content-wrap { padding: 28px 20px; }
            .article-content-wrap p { font-size: 16px; }
            .related-section { padding: 40px 0; }
            .section-header h2 { font-size: 1.3rem; }
            .back-links { flex-direction: column; align-items: center; gap: 12px; }
            .back-links .btn { width: 100%; max-width: 280px; }
            .cta-section { padding: 48px 0; }
            .trust-points { flex-direction: column; align-items: center; gap: 12px; }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2F6BED;
            --primary-light: #EAF1FE;
            --primary-lighter: #F2F7FF;
            --accent: #FF6A3D;
            --green: #12B78A;
            --text-main: #16294D;
            --text-sub: #5B6B85;
            --bg-page: #F8FAFE;
            --bg-card: #FFFFFF;
            --border-card: #E6EDF8;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --shadow-sm: 0 8px 24px rgba(23, 52, 98, .08);
            --shadow-hover: 0 16px 36px rgba(23, 52, 98, .14);
            --font-main: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: #1f56c4;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 通用板块 ===== */
        .section-pad {
            padding: 96px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-desc {
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.8;
        }
        @media (max-width: 767px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 18px 0;
            transition: all .35s ease;
            background: transparent;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .92);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(23, 52, 98, .08);
            padding: 12px 0;
        }
        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--primary);
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #4a86ff);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(47, 107, 237, .28);
        }
        .header-nav-wrapper {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-link-custom {
            position: relative;
            display: inline-block;
            padding: 6px 2px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            transition: color .25s ease;
        }
        .nav-link-custom::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .25s ease;
            border-radius: 2px;
        }
        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--primary);
        }
        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            transform: scaleX(1);
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff !important;
            box-shadow: 0 8px 20px rgba(255, 106, 61, .28);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 106, 61, .36);
            color: #fff;
        }
        .btn-outline-primary {
            background: #fff;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(47, 107, 237, .14);
        }
        .btn:focus-visible,
        .btn-custom:focus-visible,
        .nav-link-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== 移动端底部 Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 56px;
            padding-bottom: env(safe-area-inset-bottom);
            background: rgba(255, 255, 255, .97);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-card);
            box-shadow: 0 -8px 24px rgba(23, 52, 98, .06);
            z-index: 1060;
        }
        .mobile-bottom-tab .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: var(--text-sub);
            font-size: 12px;
            font-weight: 500;
            text-decoration: none;
            transition: color .2s ease;
        }
        .mobile-bottom-tab .tab-item i {
            font-size: 20px;
            line-height: 1;
        }
        .mobile-bottom-tab .tab-item.active {
            color: var(--primary);
        }
        .mobile-bottom-tab .tab-item.active i {
            transform: scale(1.08);
        }
        @media (max-width: 767px) {
            body {
                padding-bottom: 72px;
            }
            .site-header {
                padding: 12px 0;
                background: rgba(255, 255, 255, .95);
                -webkit-backdrop-filter: blur(10px);
                backdrop-filter: blur(10px);
                box-shadow: 0 4px 20px rgba(23, 52, 98, .06);
            }
            .brand-logo {
                font-size: 17px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .header-nav-wrapper {
                display: none;
            }
            .mobile-bottom-tab {
                display: flex;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding-top: 96px;
            background: var(--bg-page);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sub);
            background: transparent;
            padding: 12px 0;
            margin: 0;
            border-radius: 0;
        }
        .breadcrumb-custom a {
            color: var(--text-sub);
            transition: color .2s;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .sep {
            color: #b4c1d9;
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }
        @media (max-width: 767px) {
            .breadcrumb-wrap {
                padding-top: 76px;
            }
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 64px 0 72px;
            background: linear-gradient(120deg, #F2F7FF 0%, #EAF1FE 55%, #F8FAFE 100%);
            border-bottom: 1px solid var(--border-card);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(47, 107, 237, .10) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-row {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .hero-content {
            flex: 1 1 50%;
        }
        .hero-media {
            flex: 1 1 50%;
            position: relative;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .category-hero h1 span {
            color: var(--primary);
            position: relative;
        }
        .category-hero h1 span::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 4px;
            width: 100%;
            height: 10px;
            background: rgba(47, 107, 237, .14);
            z-index: -1;
            border-radius: 4px;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(47, 107, 237, .14);
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-item .num {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 13px;
            color: var(--text-sub);
        }
        .hero-media-card {
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-hover);
            border: 1px solid #fff;
        }
        .hero-media-card img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .hero-media-card .media-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(22, 41, 77, .55));
        }
        .hero-media-card .media-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .hero-media-card .media-play:hover {
            transform: translate(-50%, -50%) scale(1.1);
            box-shadow: 0 0 0 12px rgba(47, 107, 237, .16);
        }
        .hero-media-card .media-tag {
            position: absolute;
            right: 16px;
            bottom: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            box-shadow: 0 6px 16px rgba(255, 106, 61, .32);
        }
        @media (max-width: 991px) {
            .category-hero {
                padding: 48px 0 56px;
            }
            .hero-row {
                flex-direction: column;
                gap: 32px;
            }
            .hero-content,
            .hero-media {
                flex: 1 1 auto;
                width: 100%;
            }
            .hero-media-card img {
                height: auto;
                max-height: 300px;
                object-fit: cover;
            }
        }
        @media (max-width: 575px) {
            .category-hero {
                padding: 40px 0 48px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-group .btn-custom {
                width: 100%;
            }
            .hero-stats {
                gap: 18px;
            }
        }

        /* ===== 跟买流程 ===== */
        .steps-section {
            background: var(--bg-page);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }
        .step-num {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 991px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 热门跟买清单（错落卡） ===== */
        .hot-section {
            background: linear-gradient(180deg, var(--bg-page) 0%, #fff 100%);
        }
        .hot-layout {
            display: grid;
            grid-template-columns: 1.1fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 24px;
        }
        .hot-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
        }
        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .hot-card.large {
            grid-row: span 2;
        }
        .hot-card .card-media {
            position: relative;
            overflow: hidden;
        }
        .hot-card.large .card-media img {
            width: 100%;
            height: 520px;
            object-fit: cover;
        }
        .hot-card.small .card-media img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .hot-card .card-body {
            padding: 18px 20px 20px;
        }
        .hot-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(23, 52, 98, .08);
        }
        .hot-card .card-tag.orange {
            color: var(--accent);
        }
        .hot-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .hot-card .sub-text {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .hot-card .meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hot-card .stars {
            color: #ffb800;
            font-size: 13px;
            letter-spacing: 1px;
        }
        .hot-card .stars span {
            color: var(--text-sub);
            margin-left: 4px;
            font-size: 13px;
        }
        .hot-card .price {
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
        }
        .buy-btn-mini {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            padding: 9px 20px;
            border-radius: 999px;
            cursor: pointer;
            transition: all .25s ease;
            box-shadow: 0 6px 16px rgba(255, 106, 61, .24);
        }
        .buy-btn-mini:hover {
            background: #f4572e;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(255, 106, 61, .32);
        }
        .hot-list-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        @media (max-width: 991px) {
            .hot-layout {
                grid-template-columns: 1fr 1fr;
            }
            .hot-card.large {
                grid-row: span 1;
            }
            .hot-card.large .card-media img {
                height: 280px;
            }
        }
        @media (max-width: 575px) {
            .hot-layout {
                grid-template-columns: 1fr;
            }
            .hot-card.large .card-media img {
                height: 320px;
            }
            .hot-card.small .card-media img {
                height: 200px;
            }
        }

        /* ===== 口碑数据 ===== */
        .trust-section {
            background: var(--bg-page);
        }
        .trust-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }
        .trust-summary {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .trust-score {
            font-size: 56px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 8px;
            font-family: 'DIN Alternate', 'Arial', sans-serif;
        }
        .trust-score-sub {
            color: var(--text-sub);
            font-size: 14px;
            margin-bottom: 16px;
        }
        .trust-stars {
            color: #ffb800;
            font-size: 18px;
            letter-spacing: 3px;
            margin-bottom: 16px;
        }
        .trust-good-rate {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(18, 183, 138, .1);
            color: var(--green);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .trust-total {
            font-size: 14px;
            color: var(--text-sub);
        }
        .reviews-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 10px;
            scroll-snap-type: x mandatory;
        }
        .review-card {
            flex: 0 0 260px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            scroll-snap-align: start;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease;
        }
        .review-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .review-quote {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            position: relative;
            padding-left: 20px;
        }
        .review-quote::before {
            content: "\201C";
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 28px;
            color: var(--primary);
            line-height: 1;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .review-user-info {
            flex: 1;
        }
        .review-user-info .nick {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .review-user-info .source {
            font-size: 12px;
            color: var(--text-sub);
        }
        @media (max-width: 991px) {
            .trust-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 选购小贴士 ===== */
        .tips-section {
            background: linear-gradient(180deg, #fff 0%, var(--bg-page) 100%);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .tip-card {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .tip-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .tip-icon {
            width: 46px;
            height: 46px;
            border-radius: 13px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .tip-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .tip-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 767px) {
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-page);
        }
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease;
            overflow: hidden;
        }
        .faq-item.open {
            box-shadow: var(--shadow-hover);
            border-color: rgba(47, 107, 237, .3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 56px;
            padding: 14px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }
        .faq-item.open .faq-question {
            background: var(--primary-light);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform .3s ease, background .3s ease;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 4px 22px 20px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        @media (max-width: 575px) {
            .faq-question {
                font-size: 15px;
                padding: 12px 16px;
            }
            .faq-answer-inner {
                padding: 4px 16px 18px;
            }
        }

        /* ===== CTA 条 ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(120deg, #F2F7FF 0%, #EAF1FE 100%);
        }
        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 28px;
            padding: 56px 48px;
            text-align: center;
            box-shadow: var(--shadow-hover);
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(47, 107, 237, .06);
        }
        .cta-card h2 {
            font-size: clamp(1.75rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .cta-card p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-btn-group {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }
        .cta-trust {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 32px;
        }
        .cta-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-sub);
            font-size: 14px;
            font-weight: 500;
        }
        .cta-trust-item i {
            color: var(--green);
            font-size: 17px;
        }
        @media (max-width: 767px) {
            .cta-card {
                padding: 40px 24px;
            }
            .cta-trust {
                flex-direction: column;
                gap: 14px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #16294D;
            color: #c9d6ee;
            padding-top: 72px;
            border-radius: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo:hover {
            color: #fff;
        }
        .footer-about {
            font-size: 14px;
            line-height: 1.8;
            color: #aebcd8;
            margin: 16px 0 0;
            max-width: 320px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aebcd8;
            font-size: 14px;
            transition: color .2s ease, transform .2s ease;
            display: inline-block;
        }
        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #aebcd8;
            margin-bottom: 12px;
        }
        .footer-contact-item i {
            color: var(--primary);
            width: 18px;
            text-align: center;
            font-size: 15px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: #7e8fb0;
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .site-footer {
                padding-top: 48px;
            }
        }

        /* ===== 通用按钮补丁 ===== */
        .btn {
            border-radius: var(--radius-sm);
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: #1f56c4;
            border-color: #1f56c4;
        }
        .btn:focus,
        .form-control:focus {
            box-shadow: 0 0 0 3px rgba(47, 107, 237, .18);
        }