/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #8AFF80;
            --primary-dim: rgba(138,255,128,0.12);
            --primary-border: rgba(138,255,128,0.16);
            --accent: #FF6B33;
            --accent-secondary: #FFB020;
            --bg-main: #0F1512;
            --bg-deep: #0A0E0C;
            --bg-card: #1A211D;
            --bg-card-alt: #1B211E;
            --bg-nav-brand: #0B100D;
            --bg-nav-channel: #111714;
            --border-subtle: rgba(255,255,255,0.06);
            --border-mid: rgba(255,255,255,0.08);
            --border-strong: rgba(255,255,255,0.12);
            --text-primary: #E8EFEA;
            --text-body: #C5D0CA;
            --text-muted: #7C8B84;
            --text-weak: #5A6861;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
            --shadow-lg: 0 8px 20px rgba(138,255,128,0.12);
            --shadow-accent: 0 6px 16px rgba(255,107,51,0.18);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.2s ease;
            --transition-med: 0.3s ease;
            --max-width: 1200px;
            --header-brand-height: 68px;
            --header-channel-height: 46px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-main);
            min-height: 100vh;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
        }

        a:hover {
            color: #B5FFB0;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input, textarea, select {
            font-family: var(--font-sans);
        }

        ::selection {
            background: var(--primary);
            color: #0F1512;
        }

        /* ===== 布局容器 ===== */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 64px 0;
        }

        .section--compact {
            padding: 48px 0;
        }

        .section--dark {
            background-color: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section--alt {
            background-color: #0D1310;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-nav-brand);
            border-bottom: 1px solid var(--border-mid);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-brand-height);
            background: var(--bg-nav-brand);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #0F1512;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand-actions .btn-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            text-decoration: none;
        }

        .brand-actions .btn-login:hover {
            color: var(--primary);
            background: rgba(138,255,128,0.06);
        }

        .brand-actions .btn-register {
            font-size: 14px;
            font-weight: 600;
            color: #0F1512;
            background: var(--primary);
            padding: 6px 18px;
            border-radius: var(--radius-sm);
            text-decoration: none;
        }

        .brand-actions .btn-register:hover {
            background: #B5FFB0;
            color: #0F1512;
        }

        .search-icon-mobile {
            display: none;
            font-size: 18px;
            color: var(--text-body);
            padding: 4px;
        }

        .channel-bar {
            display: flex;
            align-items: center;
            gap: 6px;
            height: var(--header-channel-height);
            background: var(--bg-nav-channel);
            border-top: 1px solid var(--border-subtle);
            overflow-x: auto;
            overflow-y: hidden;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(138,255,128,0.2) transparent;
        }

        .channel-bar::-webkit-scrollbar {
            height: 3px;
        }

        .channel-bar::-webkit-scrollbar-thumb {
            background: rgba(138,255,128,0.25);
            border-radius: 3px;
        }

        .channel-bar::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            padding: 0 12px;
        }

        .channel-link {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .channel-link:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.04);
        }

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

        .channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .channel-link .channel-icon {
            font-size: 13px;
            opacity: 0.8;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10,14,12,0.72);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,14,12,0.35) 0%, rgba(10,14,12,0.65) 50%, rgba(15,21,18,0.95) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            text-align: center;
            padding: 80px 24px 64px;
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.015em;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .hero-sub {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto 28px;
        }

        .hero-search {
            max-width: 560px;
            margin: 0 auto 20px;
            display: flex;
            gap: 0;
            background: rgba(26,33,29,0.85);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(8px);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 14px 18px;
            font-size: 15px;
            color: var(--text-primary);
            outline: none;
            min-width: 0;
        }

        .hero-search input::placeholder {
            color: var(--text-weak);
        }

        .hero-search .btn-search {
            background: var(--primary);
            color: #0F1512;
            font-size: 14px;
            font-weight: 700;
            padding: 0 24px;
            border-radius: 0;
            white-space: nowrap;
        }

        .hero-search .btn-search:hover {
            background: #B5FFB0;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 660px;
            margin: 0 auto;
        }

        .hero-tags a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(26,33,29,0.8);
            border: 1px solid var(--border-mid);
            border-radius: 20px;
            padding: 6px 16px;
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .hero-tags a:hover {
            color: var(--primary);
            border-color: var(--primary-border);
            background: var(--primary-dim);
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            margin-top: 24px;
        }

        .hero-stat-strip {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }

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

        .hero-stat-item .stat-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.01em;
        }

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

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all var(--transition-fast);
            line-height: 1.4;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #0F1512;
        }

        .btn-primary:hover {
            background: #B5FFB0;
            color: #0F1512;
            box-shadow: 0 0 16px rgba(138,255,128,0.3);
        }

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

        .btn-secondary:hover {
            background: rgba(138,255,128,0.1);
            color: #B5FFB0;
            border-color: #B5FFB0;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #FF8255;
            color: #fff;
            box-shadow: var(--shadow-accent);
        }

        .btn-ghost {
            background: rgba(255,255,255,0.04);
            color: var(--text-body);
            border-color: var(--border-mid);
        }

        .btn-ghost:hover {
            background: rgba(255,255,255,0.07);
            color: var(--text-primary);
            border-color: var(--border-strong);
        }

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

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
        }

        /* ===== 卡片系统 ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            height: 100%;
        }

        .card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

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

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .card-title a {
            color: var(--text-primary);
            text-decoration: none;
        }

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

        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .card-meta .meta-num {
            font-family: var(--font-mono);
            color: var(--text-muted);
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.02em;
        }

        .tag-accent {
            background: rgba(255,107,51,0.12);
            color: #FF8255;
        }

        .tag-outline {
            background: transparent;
            border: 1px solid var(--primary-border);
            color: var(--primary);
        }

        /* ===== 卖点三连 ===== */
        .selling-points {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .point-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .point-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .point-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .point-card:hover::before {
            opacity: 1;
        }

        .point-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-dim);
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .point-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .point-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 痛点区 ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .pain-card:hover {
            border-color: rgba(255,107,51,0.3);
            box-shadow: 0 6px 18px rgba(255,107,51,0.08);
        }

        .pain-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: rgba(255,107,51,0.5);
            display: block;
            margin-bottom: 12px;
            line-height: 1;
        }

        .pain-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 解决方案区 ===== */
        .solution-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 22px;
            align-items: start;
        }

        .solution-dashboard {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            grid-row: span 2;
        }

        .solution-dashboard .dash-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .solution-dashboard .dash-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-dashboard .dash-live {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 3px 10px;
            border-radius: 10px;
        }

        .dash-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }

        .dash-row .team {
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
        }

        .dash-row .score {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            min-width: 70px;
            text-align: center;
        }

        .dash-row .status {
            font-size: 12px;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }

        .dash-row .status.live {
            color: var(--primary);
        }

        .solution-side-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .solution-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .solution-mini-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md);
        }

        .solution-mini-card .mini-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-dim);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .solution-mini-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

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

        /* ===== 品牌介绍 ===== */
        .brand-intro {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent-secondary));
        }

        .brand-intro h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            max-width: 820px;
        }

        .brand-intro .brand-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-secondary);
            background: rgba(255,176,32,0.1);
            padding: 3px 10px;
            border-radius: 10px;
            margin-bottom: 10px;
        }

        /* ===== 成果区 ===== */
        .metrics-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .metrics-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

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

        .metric-item .metric-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .metric-item .metric-unit {
            font-family: var(--font-mono);
            font-size: 16px;
            color: var(--primary);
            font-weight: 600;
        }

        .metric-item .metric-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== 客户证言 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md);
        }

        .testimonial-stars {
            display: flex;
            gap: 4px;
            color: var(--accent-secondary);
            font-size: 14px;
        }

        .testimonial-quote {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            flex: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }

        .testimonial-author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-dim);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

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

        .testimonial-author .author-role {
            font-size: 12px;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }

        /* ===== 活动亮点墙 ===== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .highlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .highlight-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .highlight-card .highlight-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .highlight-card .highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

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

        .highlight-card .highlight-body {
            padding: 14px 16px;
        }

        .highlight-card .highlight-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .highlight-card .highlight-meta {
            font-size: 12px;
            color: var(--text-weak);
            font-family: var(--font-mono);
            display: flex;
            gap: 10px;
        }

        .highlight-card .btn-enroll {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 8px;
            gap: 4px;
        }

        .highlight-card .btn-enroll:hover {
            color: #B5FFB0;
        }

        /* ===== 资讯区 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 24px;
        }

        .news-list {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 6px 0;
            box-shadow: var(--shadow-sm);
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

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

        .news-item:hover {
            background: rgba(138,255,128,0.04);
        }

        .news-item .news-index {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-weak);
            width: 26px;
            flex-shrink: 0;
        }

        .news-item .news-text {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            line-height: 1.5;
        }

        .news-item:hover .news-text {
            color: var(--primary);
        }

        .news-item .news-time {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-weak);
            flex-shrink: 0;
        }

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

        .news-reco-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .news-reco-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md);
        }

        .news-reco-card .reco-img {
            aspect-ratio: 16 / 8;
            overflow: hidden;
        }

        .news-reco-card .reco-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

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

        .news-reco-card .reco-body {
            padding: 14px 16px;
        }

        .news-reco-card .reco-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
        }

        /* ===== 表单区 ===== */
        .form-section {
            background: var(--bg-deep);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            max-width: 520px;
            margin: 0 auto;
            box-shadow: var(--shadow-md);
        }

        .form-section .form-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .form-section .form-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            background: #0F1512;
            border: 1px solid #2C3831;
            border-radius: var(--radius-sm);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            transition: all var(--transition-fast);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(138,255,128,0.18);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-weak);
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 12px;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

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

        .faq-wrap .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-wrap .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: color var(--transition-fast);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }

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

        .faq-wrap .accordion-title .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }

        .faq-wrap .accordion-item.is-active .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-wrap .accordion-content {
            font-size: 14px;
            color: var(--text-body);
            padding: 0 20px 16px;
            line-height: 1.75;
            border-left: 2px solid var(--primary);
            margin-left: 20px;
            padding-left: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10,14,12,0.78);
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .cta-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #9AA5A0;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .selling-points,
            .pain-grid,
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .solution-layout {
                grid-template-columns: 1fr;
            }

            .solution-dashboard {
                grid-row: auto;
            }

            .solution-side-cards {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .solution-mini-card {
                flex: 1 1 calc(50% - 8px);
                min-width: 240px;
            }

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .news-recommend {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .news-reco-card {
                flex: 1 1 calc(50% - 8px);
                min-width: 240px;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section--compact {
                padding: 36px 0;
            }

            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero {
                min-height: 480px;
            }

            .hero-content {
                padding: 56px 18px 48px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-sub {
                font-size: 14px;
                line-height: 1.7;
            }

            .hero-stat-strip {
                gap: 20px;
                margin-top: 24px;
                padding-top: 20px;
            }

            .hero-stat-item .stat-num {
                font-size: 18px;
            }

            .selling-points,
            .pain-grid,
            .testimonial-grid,
            .highlights-grid,
            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .solution-side-cards {
                flex-direction: column;
            }

            .solution-mini-card {
                flex: 1 1 auto;
                min-width: auto;
            }

            .solution-dashboard {
                padding: 20px;
            }

            .dash-row .score {
                font-size: 16px;
                min-width: 56px;
            }

            .brand-intro {
                padding: 24px 20px;
            }

            .metrics-panel {
                padding: 24px 18px;
            }

            .metric-item .metric-value {
                font-size: 28px;
            }

            .form-section {
                padding: 28px 20px;
            }

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

            .news-reco-card {
                flex: 1 1 100%;
                min-width: auto;
            }

            .news-item {
                padding: 12px 16px;
                flex-wrap: wrap;
                gap: 8px;
            }

            .news-item .news-text {
                font-size: 13px;
                min-width: calc(100% - 40px);
            }

            .cta-content h2 {
                font-size: 22px;
            }

            .btn-lg {
                padding: 12px 22px;
                font-size: 15px;
            }

            .hero-search {
                flex-direction: column;
                gap: 0;
                border-radius: var(--radius-md);
            }

            .hero-search .btn-search {
                padding: 12px;
                border-radius: 0;
            }

            .search-icon-mobile {
                display: block;
            }

            .brand-actions .btn-login,
            .brand-actions .btn-register {
                font-size: 13px;
                padding: 5px 12px;
            }

            .btn {
                font-size: 14px;
                padding: 10px 18px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 24px;
            }

            .hero-sub {
                font-size: 13px;
            }

            .hero-tags a {
                font-size: 12px;
                padding: 5px 12px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .card {
                padding: 18px;
            }

            .card-title {
                font-size: 16px;
            }

            .point-card,
            .pain-card,
            .testimonial-card {
                padding: 18px;
            }

            .brand-intro h2 {
                font-size: 18px;
            }

            .brand-intro p {
                font-size: 14px;
            }

            .dash-row .team {
                font-size: 12px;
            }

            .dash-row .score {
                font-size: 14px;
                min-width: 48px;
            }

            .channel-link {
                font-size: 13px;
                padding: 7px 12px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .brand-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #8AFF80;
        --primary-dim: rgba(138,255,128,0.14);
        --primary-border: rgba(138,255,128,0.26);
        --accent: #FF6B33;
        --accent-secondary: #FFB020;
        --bg-main: #0F1512;
        --bg-deep: #0A0E0C;
        --bg-card: #1B211E;
        --bg-card-alt: #141B17;
        --bg-nav-brand: #0B100D;
        --bg-nav-channel: #111714;
        --border-subtle: rgba(255,255,255,0.07);
        --border-mid: #2C3831;
        --border-strong: rgba(138,255,128,0.35);
        --text-primary: #FFFFFF;
        --text-body: #C5D0CA;
        --text-muted: #9AA5A0;
        --text-weak: #7C8B84;
        --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --radius-sm: 4px;
        --radius-md: 6px;
        --radius-lg: 8px;
        --radius-xl: 12px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
        --shadow-lg: 0 8px 20px rgba(138,255,128,0.12);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
    body {
        font-family: var(--font-sans);
        background: var(--bg-main);
        color: var(--text-body);
        line-height: 1.75;
        font-size: 15px;
        min-height: 100vh;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
    a:hover { color: var(--accent-secondary); }
    h1, h2, h3, h4 { color: var(--text-primary); line-height: 1.35; font-weight: 700; }
    h1 { font-size: 36px; letter-spacing: -0.02em; }
    h2 { font-size: 26px; letter-spacing: -0.01em; margin-bottom: 20px; }
    h3 { font-size: 19px; }
    p { margin-bottom: 16px; }
    .mono { font-family: var(--font-mono); }
    .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .section-tag {
        display: inline-block;
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--primary);
        background: var(--primary-dim);
        border: 1px solid var(--primary-border);
        border-radius: var(--radius-sm);
        padding: 4px 10px;
        margin-bottom: 14px;
    }
    .section-header { margin-bottom: 36px; }
    .section-header h2 { margin-bottom: 8px; }
    .section-header p { color: var(--text-muted); max-width: 680px; }

    /* 导航 */
    .site-header { position: sticky; top: 0; z-index: 50; background: var(--bg-nav-brand); border-bottom: 1px solid var(--border-subtle); }
    .brand-bar { height: 68px; display: flex; align-items: center; justify-content: space-between; }
    .brand-logo { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em; display: flex; align-items: center; gap: 8px; }
    .logo-icon { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: var(--radius-md); background: var(--primary); color: #0A0E0C; font-family: var(--font-mono); font-weight: 700; font-size: 16px; }
    .brand-actions { display: flex; gap: 12px; }
    .btn-login {
        font-family: var(--font-sans);
        font-size: 13px;
        font-weight: 600;
        padding: 8px 18px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-mid);
        background: transparent;
        color: var(--text-muted);
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .btn-login:hover { border-color: var(--primary-border); color: var(--primary); background: var(--primary-dim); }
    .channel-bar { background: var(--bg-nav-channel); border-bottom: 1px solid rgba(255,255,255,0.06); height: 48px; display: flex; align-items: center; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; scrollbar-color: var(--border-mid) transparent; }
    .channel-bar::-webkit-scrollbar { height: 3px; }
    .channel-bar::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }
    .channel-list { display: flex; gap: 20px; list-style: none; padding: 0 4px; white-space: nowrap; }
    .channel-list a {
        display: inline-block;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-muted);
        padding: 12px 2px 10px 2px;
        border-bottom: 2px solid transparent;
        transition: all 0.2s ease;
    }
    .channel-list a:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }
    .channel-list a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

    /* 分类 Hero */
    .category-hero {
        padding: 64px 0 40px;
        background: linear-gradient(135deg, #0B100D 0%, #0F1813 50%, #0D1511 100%);
        border-bottom: 1px solid var(--border-subtle);
        position: relative;
        overflow: hidden;
    }
    .category-hero::before {
        content: "";
        position: absolute;
        top: -60px;
        right: -80px;
        width: 420px;
        height: 420px;
        background: radial-gradient(circle, rgba(138,255,128,0.05) 0%, transparent 70%);
        pointer-events: none;
    }
    .category-hero h1 { margin-bottom: 10px; font-size: 38px; }
    .category-hero .hero-desc { font-size: 15px; color: var(--text-muted); max-width: 540px; margin-bottom: 22px; }
    .hero-cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
    .hero-cta-row .live-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-family: var(--font-mono);
        font-size: 12px;
        color: var(--accent-secondary);
        background: rgba(255,176,32,0.08);
        border: 1px solid rgba(255,176,32,0.25);
        border-radius: var(--radius-sm);
        padding: 6px 12px;
    }
    .live-badge .pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-secondary); animation: pulseDot 1.4s ease-in-out infinite; }
    @keyframes pulseDot { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.7); } }

    /* 按钮 */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        font-family: var(--font-sans);
        font-size: 14px;
        font-weight: 600;
        padding: 10px 22px;
        border-radius: var(--radius-md);
        border: 1px solid transparent;
        cursor: pointer;
        transition: all 0.22s ease;
        text-decoration: none;
        white-space: nowrap;
    }
    .btn-primary { background: var(--primary); color: #0A0E0C; }
    .btn-primary:hover { background: #A0FF9A; color: #0A0E0C; box-shadow: 0 0 16px rgba(138,255,128,0.35); transform: translateY(-1px); }
    .btn-secondary { background: transparent; border-color: var(--primary-border); color: var(--primary); }
    .btn-secondary:hover { background: var(--primary-dim); border-color: var(--strong); color: var(--primary); }
    .btn-ghost { background: transparent; border-color: var(--border-mid); color: var(--text-muted); }
    .btn-ghost:hover { border-color: var(--primary-border); color: var(--primary); }

    /* 筛选工具条 */
    .filter-toolbar {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        align-items: center;
        margin: 28px 0 24px;
        padding-bottom: 16px;
        border-bottom: 1px solid var(--border-subtle);
    }
    .filter-toolbar .filter-label { font-size: 13px; color: var(--text-weak); font-family: var(--font-mono); }
    .filter-toolbar .filter-tag {
        font-size: 12px;
        font-family: var(--font-sans);
        color: var(--text-muted);
        background: transparent;
        border: 1px solid var(--border-mid);
        border-radius: var(--radius-sm);
        padding: 5px 14px;
        cursor: pointer;
        transition: all 0.2s ease;
        white-space: nowrap;
    }
    .filter-toolbar .filter-tag:hover { border-color: var(--primary-border); color: var(--primary); }
    .filter-toolbar .filter-tag.active { background: var(--primary-dim); border-color: var(--primary); color: var(--primary); }

    /* 卡片网格 */
    .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 36px; }
    .match-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        box-shadow: var(--shadow-md);
    }
    .match-card:hover { border-color: var(--primary-border); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
    .match-card .card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
    .match-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
    .match-card:hover .card-img img { transform: scale(1.04); }
    .match-card .card-img .img-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(10,14,12,0.55) 100%); }
    .match-card .card-body { padding: 18px 20px 20px; }
    .match-card .card-tag {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-dim);
        border: 1px solid var(--primary-border);
        border-radius: var(--radius-sm);
        padding: 3px 10px;
        margin-bottom: 10px;
    }
    .match-card .card-title { font-size: 19px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; }
    .match-card .card-title a { color: var(--text-primary); transition: color 0.2s ease; }
    .match-card .card-title a:hover { color: var(--primary); }
    .match-card .card-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.65; }
    .match-card .card-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-family: var(--font-mono);
        font-size: 12px;
        color: var(--text-weak);
        border-top: 1px solid var(--border-subtle);
        padding-top: 12px;
    }
    .match-card .card-meta .meta-item { display: inline-flex; align-items: center; gap: 4px; }

    /* 特色模块 */
    .feature-panel { margin-bottom: 48px; }
    .feature-panel .panel-grid { display: grid; grid-template-columns: 1.6fr 1fr; grid-template-rows: auto auto; gap: 20px; }
    .feature-panel .panel-large {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        padding: 26px;
        grid-row: span 2;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .feature-panel .panel-small {
        background: var(--bg-card-alt);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        padding: 22px;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .feature-panel .panel-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
    .feature-panel .panel-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
    .scoreboard-display {
        background: #0A0F0C;
        border: 1px solid var(--border-mid);
        border-radius: var(--radius-md);
        padding: 18px 16px;
        font-family: var(--font-mono);
        margin-top: 16px;
    }
    .scoreboard-display .sb-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        font-size: 14px;
    }
    .scoreboard-display .sb-row:last-child { border-bottom: none; }
    .scoreboard-display .sb-team { color: var(--text-body); }
    .scoreboard-display .sb-score { color: var(--primary); font-weight: 700; font-size: 16px; }
    .scoreboard-display .sb-time { color: var(--text-weak); font-size: 12px; }
    .stat-bar { display: flex; align-items: center; gap: 10px; margin: 6px 0; }
    .stat-bar .bar-label { font-size: 12px; color: var(--text-muted); width: 70px; flex-shrink: 0; font-family: var(--font-sans); }
    .stat-bar .bar-track { flex: 1; height: 6px; background: #0F1512; border-radius: 3px; overflow: hidden; }
    .stat-bar .bar-fill { height: 100%; border-radius: 3px; background: var(--primary); transition: width 0.6s ease; }

    /* 品牌介绍 */
    .brand-intro {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        padding: 32px 28px;
        margin-bottom: 48px;
        display: grid;
        grid-template-columns: 1fr 2fr;
        gap: 24px;
        align-items: start;
    }
    .brand-intro .brand-intro-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--primary); text-transform: uppercase; margin-bottom: 8px; }
    .brand-intro h3 { font-size: 20px; margin-bottom: 12px; }
    .brand-intro p { font-size: 14px; color: var(--text-muted); line-height: 1.85; margin-bottom: 0; }

    /* FAQ */
    .faq-section { margin-bottom: 48px; }
    .faq-list { list-style: none; }
    .faq-item { border-bottom: 1px solid var(--border-subtle); }
    .faq-item:last-child { border-bottom: none; }
    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        padding: 16px 4px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        transition: color 0.2s ease;
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question .faq-icon { font-family: var(--font-mono); font-size: 18px; color: var(--primary); flex-shrink: 0; }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
    .faq-answer p { font-size: 14px; color: var(--text-muted); line-height: 1.8; padding: 0 4px 16px 0; margin-bottom: 0; }
    .faq-item.open .faq-answer { max-height: 200px; }

    /* CTA */
    .cta-section {
        background: var(--bg-deep);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-xl);
        padding: 48px 32px;
        text-align: center;
        margin-bottom: 56px;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: "";
        position: absolute;
        top: -100px;
        left: 50%;
        transform: translateX(-50%);
        width: 500px;
        height: 300px;
        background: radial-gradient(ellipse, rgba(138,255,128,0.07) 0%, transparent 70%);
        pointer-events: none;
    }
    .cta-section h2 { font-size: 28px; margin-bottom: 12px; }
    .cta-section p { color: var(--text-muted); max-width: 560px; margin: 0 auto 24px; font-size: 15px; }
    .cta-section .cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

    /* 页脚 */
    .site-footer {
        background: var(--bg-deep);
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 40px 0 32px;
        margin-top: 16px;
    }
    .footer-inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 32px; }
    .footer-brand .brand-logo { margin-bottom: 10px; }
    .footer-brand p { font-size: 13px; color: var(--text-weak); max-width: 320px; }
    .footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .footer-links .footer-col h4 { font-size: 13px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
    .footer-links .footer-col a { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; transition: color 0.2s ease; }
    .footer-links .footer-col a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); margin-top: 28px; padding-top: 20px; font-size: 12px; color: var(--text-weak); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

    /* 响应式 */
    @media (max-width: 1024px) {
        h1 { font-size: 30px; }
        h2 { font-size: 22px; }
        .card-grid { grid-template-columns: repeat(2, 1fr); }
        .feature-panel .panel-grid { grid-template-columns: 1fr; }
        .feature-panel .panel-large { grid-row: auto; }
        .brand-intro { grid-template-columns: 1fr; }
        .footer-inner { grid-template-columns: 1fr; }
        .footer-links { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
        .container-custom { padding: 0 16px; }
        .brand-bar { height: 60px; }
        .brand-logo { font-size: 18px; }
        .category-hero { padding: 40px 0 28px; }
        .category-hero h1 { font-size: 26px; }
        .card-grid { grid-template-columns: 1fr; gap: 16px; }
        .match-card .card-body { padding: 14px 16px 16px; }
        .match-card .card-title { font-size: 17px; }
        .filter-toolbar { gap: 8px; }
        .filter-toolbar .filter-tag { padding: 4px 10px; font-size: 11px; }
        .cta-section { padding: 32px 16px; }
        .cta-section h2 { font-size: 22px; }
        .brand-intro { padding: 24px 18px; }
        .feature-panel .panel-large { padding: 18px; }
        .feature-panel .panel-small { padding: 16px; }
        .footer-links { grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }
    @media (max-width: 420px) {
        .footer-links { grid-template-columns: 1fr 1fr; }
        .hero-cta-row { flex-direction: column; align-items: flex-start; }
    }

/* roulang page: category1 */
:root {
            --primary: #8AFF80;
            --primary-dim: rgba(138, 255, 128, 0.12);
            --primary-border: rgba(138, 255, 128, 0.28);
            --accent: #FF6B33;
            --accent-secondary: #FFB020;
            --bg-main: #0F1512;
            --bg-deep: #0A0E0C;
            --bg-card: #1A211D;
            --bg-card-alt: #111714;
            --bg-nav-brand: #0B100D;
            --bg-nav-channel: #111714;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-mid: #2C3831;
            --border-strong: rgba(138, 255, 128, 0.35);
            --text-primary: #F2F7F4;
            --text-body: #C5D0CA;
            --text-muted: #7C8B84;
            --text-weak: #4E5A54;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.2s ease;
            --transition-slow: 0.35s ease;
        }

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

        html {
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-main);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover,
        a:focus {
            color: var(--primary);
            outline: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 14px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        /* 容器 */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 品牌行 */
        .brand-bar {
            background: var(--bg-nav-brand);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            height: 68px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 100;
        }

        .brand-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary) 0%, #5CBF55 55%, #3A8F4A 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #0A0E0C;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(138, 255, 128, 0.25);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--border-mid);
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
        }

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

        .btn-login.btn-primary-sm {
            background: var(--primary);
            color: #0A0E0C;
            border-color: var(--primary);
            font-weight: 600;
        }

        .btn-login.btn-primary-sm:hover {
            background: #9BFF91;
            border-color: #9BFF91;
            color: #0A0E0C;
            box-shadow: 0 0 16px rgba(138, 255, 128, 0.3);
        }

        /* 频道行 */
        .channel-nav {
            background: var(--bg-nav-channel);
            border-bottom: 1px solid var(--border-subtle);
            height: 46px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 99;
        }

        .channel-nav .container-custom {
            display: flex;
            align-items: center;
            width: 100%;
            overflow: hidden;
        }

        .channel-scroll {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            width: 100%;
            padding: 0 2px;
        }

        .channel-scroll::-webkit-scrollbar {
            display: none;
        }

        .channel-scroll a {
            flex-shrink: 0;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .channel-scroll a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .channel-scroll a.active {
            color: var(--primary);
            background: rgba(138, 255, 128, 0.06);
        }

        .channel-scroll a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        /* 分类页 Banner */
        .cat-banner {
            background-image: linear-gradient(to bottom, rgba(10, 14, 12, 0.75), rgba(15, 21, 18, 0.92)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            padding: 80px 0 72px;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
        }

        .cat-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, rgba(138, 255, 128, 0.4) 40%, transparent 70%);
        }

        .cat-banner .container-custom {
            position: relative;
            z-index: 1;
        }

        .cat-banner h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .cat-banner .banner-sub {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 520px;
            line-height: 1.7;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--primary-dim);
            border: 1px solid var(--primary-border);
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        /* 仪表盘数据条 */
        .dash-strip {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            margin-top: 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            box-shadow: var(--shadow-sm);
        }

        .dash-strip .dash-item {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 120px;
        }

        .dash-strip .dash-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .dash-strip .dash-label {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.35;
        }

        /* 通用板块 */
        .section-block {
            padding: 64px 0;
        }

        .section-block.tight {
            padding: 40px 0;
        }

        .section-block.alt-bg {
            background: var(--bg-card-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
            font-family: var(--font-mono);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* 特色卖点卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md), 0 0 20px rgba(138, 255, 128, 0.08);
            transform: translateY(-2px);
        }

        .feature-card .fc-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--primary-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .feature-card.span-4 { grid-column: span 4; }
        .feature-card.span-6 { grid-column: span 6; }
        .feature-card.span-8 { grid-column: span 8; }
        .feature-card.span-3 { grid-column: span 3; }

        /* 卡片列表 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md), 0 0 20px rgba(138, 255, 128, 0.08);
            transform: translateY(-2px);
        }

        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-card-alt);
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .content-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .content-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(10, 14, 12, 0.82);
            border: 1px solid var(--primary-border);
            border-radius: var(--radius-sm);
            backdrop-filter: blur(4px);
            letter-spacing: 0.3px;
            z-index: 2;
        }

        .content-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
            letter-spacing: 0.2px;
        }

        .content-card .card-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

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

        .content-card .card-body .card-excerpt {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-weak);
            border-top: 1px solid var(--border-subtle);
            padding-top: 12px;
        }

        .content-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
            font-family: var(--font-mono);
        }

        .content-card .card-meta i {
            font-size: 11px;
            color: var(--text-weak);
        }

        /* 场景适配 */
        .scene-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        .scene-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            transition: all var(--transition-fast);
        }

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

        .scene-item .scene-num {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(255, 107, 51, 0.1);
            border: 1px solid rgba(255, 107, 51, 0.25);
            border-radius: var(--radius-sm);
            padding: 4px 8px;
            line-height: 1;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .scene-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .scene-item p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* FAQ */
        .faq-wrap {
            margin-top: 32px;
            max-width: 800px;
        }

        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-mid);
        }

        .faq-item.active {
            border-color: var(--primary-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question span {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            padding-right: 14px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            transition: transform var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            border-top: 0 solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            border-top: 1px solid var(--border-subtle);
        }

        .faq-answer-inner {
            padding: 16px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-left: 2px solid var(--primary);
            margin-left: 18px;
            padding-left: 16px;
        }

        /* CTA */
        .cta-block {
            background-image: linear-gradient(to bottom, rgba(10, 14, 12, 0.82), rgba(15, 21, 18, 0.95)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0;
            text-align: center;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-block h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .cta-block p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            background: var(--primary);
            color: #0A0E0C;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            border: 1px solid var(--primary);
        }

        .btn-main:hover {
            background: #9BFF91;
            border-color: #9BFF91;
            box-shadow: 0 0 20px rgba(138, 255, 128, 0.3);
            color: #0A0E0C;
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary-border);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 40px 0 24px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .site-footer .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .site-footer .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }

        .site-footer h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 7px;
        }

        .site-footer .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .site-footer .footer-bottom p {
            font-size: 12px;
            color: var(--text-weak);
            margin: 0;
            font-family: var(--font-mono);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .feature-card.span-4,
            .feature-card.span-6,
            .feature-card.span-8,
            .feature-card.span-3 {
                grid-column: span 6;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

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

            .site-footer .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 20px;
            }

            .cat-banner {
                padding: 56px 0 52px;
            }

            .cat-banner h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .brand-bar {
                height: 60px;
            }

            .brand-logo {
                font-size: 19px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .btn-login {
                padding: 6px 12px;
                font-size: 12px;
            }

            .channel-nav {
                height: 42px;
            }

            .channel-scroll a {
                padding: 6px 12px;
                font-size: 13px;
            }

            .cat-banner {
                padding: 40px 0 40px;
            }

            .cat-banner h1 {
                font-size: 26px;
            }

            .cat-banner .banner-sub {
                font-size: 14px;
            }

            .dash-strip {
                flex-direction: column;
                gap: 12px;
                padding: 14px 16px;
            }

            .dash-strip .dash-item {
                min-width: auto;
                width: 100%;
            }

            .section-block {
                padding: 44px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .feature-card.span-4,
            .feature-card.span-6,
            .feature-card.span-8,
            .feature-card.span-3 {
                grid-column: span 12;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .cta-block {
                padding: 44px 16px;
            }

            .cta-block h2 {
                font-size: 23px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .brand-actions .btn-login.hide-mobile {
                display: none;
            }

            .cat-banner h1 {
                font-size: 22px;
            }

            .banner-tags {
                gap: 6px;
            }

            .banner-tag {
                font-size: 11px;
                padding: 4px 10px;
            }

            .section-title {
                font-size: 20px;
            }

            .card-grid {
                gap: 14px;
            }

            .content-card .card-body {
                padding: 14px 16px 16px;
            }

            .content-card .card-body h3 {
                font-size: 15px;
            }

            .cta-btns {
                flex-direction: column;
                align-items: center;
            }

            .btn-main,
            .btn-outline {
                width: 100%;
                justify-content: center;
                max-width: 320px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #8AFF80;
            --primary-dim: rgba(138, 255, 128, 0.12);
            --primary-border: rgba(138, 255, 128, 0.28);
            --accent: #FF6B33;
            --accent-secondary: #FFB020;
            --bg-main: #0F1512;
            --bg-deep: #0A0E0C;
            --bg-card: #1A211D;
            --bg-card-alt: #1E2622;
            --bg-nav-brand: #0B100D;
            --bg-nav-channel: #111714;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-mid: rgba(255, 255, 255, 0.12);
            --border-strong: rgba(138, 255, 128, 0.32);
            --text-primary: #F4F8F5;
            --text-body: #C5D0CA;
            --text-muted: #9AA5A0;
            --text-weak: #7C8B84;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-main);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--primary);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
            border: 1px solid var(--primary-border);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
            margin-top: 8px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-nav-brand);
            border-bottom: 1px solid var(--border-subtle);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color 0.2s ease;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--bg-deep);
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: var(--radius-md);
            color: var(--text-body);
            background: transparent;
            border: 1px solid var(--border-mid);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

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

        .btn-signup {
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: var(--radius-md);
            color: var(--bg-deep);
            background: var(--primary);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-signup:hover {
            background: #9BFF92;
            box-shadow: 0 4px 14px rgba(138, 255, 128, 0.3);
            transform: translateY(-1px);
        }

        .nav-channel-bar {
            background: var(--bg-nav-channel);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(138, 255, 128, 0.25) transparent;
        }

        .nav-channel-bar::-webkit-scrollbar {
            height: 2px;
        }

        .nav-channel-bar::-webkit-scrollbar-track {
            background: transparent;
        }

        .nav-channel-bar::-webkit-scrollbar-thumb {
            background: rgba(138, 255, 128, 0.25);
            border-radius: 2px;
        }

        .nav-channel-list {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 46px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
            list-style: none;
            min-width: max-content;
        }

        .nav-channel-list li {
            flex-shrink: 0;
        }

        .nav-channel-list a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 12px 2px 10px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-channel-list a:hover {
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.02);
        }

        .nav-channel-list a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }

        .nav-channel-list a.active:hover {
            background: transparent;
        }

        /* ========== Hero ========== */
        .hero-category {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0 72px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 12, 0.78);
            z-index: 1;
        }

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

        .hero-category-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-category-content h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.28;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }

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

        .hero-category-sub {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-category-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-md);
            background: var(--primary);
            color: var(--bg-deep);
            transition: all 0.2s ease;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: #9BFF92;
            box-shadow: 0 6px 18px rgba(138, 255, 128, 0.3);
            transform: translateY(-2px);
            color: var(--bg-deep);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary-border);
            transition: all 0.2s ease;
            letter-spacing: 0.01em;
        }

        .btn-secondary:hover {
            background: var(--primary-dim);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(138, 255, 128, 0.15);
        }

        /* 数据面板 */
        .score-panel {
            background: #0D1310;
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            font-family: var(--font-mono);
        }

        .score-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 14px;
        }

        .score-panel-title {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            font-weight: 500;
        }

        .score-panel-badge {
            font-size: 11px;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .score-team {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .score-team .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .score-team .team-dot.blue {
            background: #4B9FFF;
        }

        .score-team .team-dot.gold {
            background: #FFB020;
        }

        .score-team .team-dot.green {
            background: #8AFF80;
        }

        .score-team .team-dot.purple {
            background: #B48AFF;
        }

        .score-digits {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
        }

        .score-digits .divider {
            color: var(--text-weak);
            font-weight: 400;
            margin: 0 6px;
        }

        .score-time {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* ========== 数据指标区 ========== */
        .stats-section {
            padding: 56px 0;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: all 0.2s ease;
        }

        .stat-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ========== 卖点卡片区 ========== */
        .features-section {
            padding: 64px 0;
            background: var(--bg-main);
            border-bottom: 1px solid var(--border-subtle);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            border-color: var(--primary-border);
            box-shadow: 0 8px 20px rgba(138, 255, 128, 0.1);
            transform: translateY(-3px);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-dim);
            border: 1px solid var(--primary-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            font-size: 18px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== 内容卡片网格 ========== */
        .content-cards-section {
            padding: 64px 0;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            border-color: var(--primary-border);
            box-shadow: 0 8px 20px rgba(138, 255, 128, 0.1);
            transform: translateY(-3px);
        }

        .content-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-card-alt);
        }

        .content-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .content-card:hover .content-card-image img {
            transform: scale(1.04);
        }

        .content-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--primary-dim);
            padding: 3px 10px;
            border-radius: 20px;
            border: 1px solid var(--primary-border);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .content-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .content-card-summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }

        .content-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-weak);
            padding-top: 10px;
            border-top: 1px solid var(--border-subtle);
        }

        .content-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 适用场景 ========== */
        .scenarios-section {
            padding: 64px 0;
            background: var(--bg-main);
            border-bottom: 1px solid var(--border-subtle);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .scenario-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 22px 22px;
            transition: all 0.2s ease;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .scenario-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scenario-num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            flex-shrink: 0;
            min-width: 32px;
        }

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

        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            margin-top: 12px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            transition: all 0.2s ease;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-subtle);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color 0.2s ease;
            background: none;
            border: none;
            cursor: pointer;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-mid);
            font-size: 14px;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 0;
        }

        .faq-answer-inner {
            padding: 0 0 18px;
            border-left: 2px solid var(--primary);
            padding-left: 16px;
            margin-left: 4px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

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

        /* ========== CTA ========== */
        .cta-section {
            padding: 72px 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 12, 0.82);
            z-index: 1;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 26px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-section {
            padding: 56px 0;
            background: var(--bg-deep);
        }

        .brand-intro-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 32px 32px;
            max-width: 850px;
            margin: 0 auto;
        }

        .brand-intro-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .brand-intro-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            letter-spacing: 0.01em;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 36px 0 24px;
            margin-top: auto;
        }

        .site-footer .container-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: flex-start;
            justify-content: space-between;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .footer-brand .logo-icon {
            width: 26px;
            height: 26px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .footer-copyright {
            font-size: 13px;
            color: var(--text-weak);
            letter-spacing: 0.02em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

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

        /* ========== 按钮通用 ========== */
        .btn-lg {
            padding: 13px 28px;
            font-size: 16px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-category-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-category-content h1 {
                font-size: 32px;
            }

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

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

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

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

        @media (max-width: 768px) {
            .brand-bar {
                height: 60px;
                padding: 0 16px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .nav-channel-list {
                gap: 14px;
                padding: 0 16px;
                height: 42px;
            }

            .nav-channel-list a {
                font-size: 13px;
                padding: 10px 2px 8px;
            }

            .hero-category {
                padding: 48px 0 40px;
            }

            .hero-category-content h1 {
                font-size: 26px;
            }

            .section-header h2 {
                font-size: 22px;
            }

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

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

            .stat-number {
                font-size: 26px;
            }

            .cta-inner h2 {
                font-size: 22px;
            }

            .score-panel {
                padding: 16px;
            }

            .score-digits {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .hero-category-content h1 {
                font-size: 22px;
            }

            .hero-category-sub {
                font-size: 14px;
            }

            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 10px 18px;
                width: 100%;
                justify-content: center;
            }

            .hero-category-actions {
                flex-direction: column;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .cta-inner h2 {
                font-size: 20px;
            }

            .brand-intro-card {
                padding: 20px 18px;
            }

            .site-footer .container-custom {
                flex-direction: column;
                gap: 16px;
            }

            .footer-links {
                gap: 12px;
                flex-wrap: wrap;
            }
        }

/* roulang page: category4 */
/* ===== 分类页独有样式 ===== */
:root {
  --primary: #8AFF80;
  --primary-dim: rgba(138, 255, 128, 0.1);
  --primary-border: rgba(138, 255, 128, 0.16);
  --accent: #FF6B33;
  --accent-secondary: #FFB020;
  --bg-main: #0F1512;
  --bg-deep: #0B100D;
  --bg-card: #1A211D;
  --bg-card-alt: #1B211E;
  --bg-nav-brand: #0B100D;
  --bg-nav-channel: #111714;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-mid: #2C3831;
  --border-strong: rgba(138, 255, 128, 0.3);
  --text-primary: #F2F7F3;
  --text-body: #C5D0CA;
  --text-muted: #7C8B84;
  --text-weak: #5A6B63;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
}

/* 分类页 body 基础 */
body.category-page {
  background-color: var(--bg-main);
  font-family: var(--font-sans);
  color: var(--text-body);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* 容器 */
.category-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 分类页 Hero ===== */
.cat-hero {
  padding: 56px 0 40px;
  background-color: var(--bg-deep);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  pointer-events: none;
}
.cat-hero .category-container {
  position: relative;
  z-index: 1;
}
.cat-hero h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0 0 10px;
  letter-spacing: 0.5px;
}
.cat-hero .hero-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0 0 24px;
  max-width: 560px;
}
.cat-hero .hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.cat-hero .hero-stat {
  display: flex;
  flex-direction: column;
}
.cat-hero .hero-stat .stat-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.2;
}
.cat-hero .hero-stat .stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 筛选工具条 ===== */
.cat-filter {
  padding: 20px 0 8px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 32px;
}
.cat-filter .filter-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.cat-filter .filter-tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border-mid);
  border-radius: 20px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.cat-filter .filter-tag:hover {
  border-color: var(--primary-border);
  color: var(--text-body);
}
.cat-filter .filter-tag.active {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* ===== 卡片网格 ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 8px 0 40px;
}
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.cat-card:hover {
  border-color: var(--primary-border);
  box-shadow: 0 8px 20px rgba(138, 255, 128, 0.12);
  transform: translateY(-2px);
}
.cat-card .card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-deep);
}
.cat-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.cat-card:hover .card-media img {
  transform: scale(1.03);
}
.cat-card .card-body {
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.cat-card .card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-dim);
  border: 1px solid var(--primary-border);
  border-radius: 4px;
  padding: 3px 8px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.cat-card .card-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0 0 8px;
  transition: color 0.2s;
}
.cat-card:hover .card-title {
  color: var(--primary);
}
.cat-card .card-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 16px;
  flex: 1;
}
.cat-card .card-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-weak);
  font-family: var(--font-mono);
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
  margin-top: auto;
}
.cat-card .card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== 数据面板展示区 ===== */
.data-showcase {
  padding: 48px 0;
  background: var(--bg-card-alt);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 40px;
}
.data-showcase .showcase-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  align-items: center;
}
.data-showcase .showcase-text h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px;
  line-height: 1.3;
}
.data-showcase .showcase-text p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0 0 8px;
  line-height: 1.7;
}
.data-showcase .showcase-panel {
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: var(--font-mono);
}
.data-showcase .panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.data-showcase .panel-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  margin-right: 6px;
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.data-showcase .panel-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
}
.data-showcase .panel-row:last-child {
  border-bottom: none;
}
.data-showcase .panel-row .team {
  color: var(--text-body);
}
.data-showcase .panel-row .score {
  color: var(--primary);
  font-weight: 600;
  font-size: 16px;
}
.data-showcase .panel-row .stat-label {
  color: var(--text-muted);
  font-size: 13px;
}
.data-showcase .panel-row .stat-val {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== 品牌介绍 ===== */
.brand-intro {
  padding: 48px 0;
  margin-bottom: 16px;
}
.brand-intro .intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
}
.brand-intro h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 16px;
}
.brand-intro p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin: 0 0 12px;
}
.brand-intro p:last-child {
  margin-bottom: 0;
}

/* ===== FAQ ===== */
.cat-faq {
  padding: 40px 0 48px;
}
.cat-faq h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 24px;
  line-height: 1.3;
}
.cat-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cat-faq .faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color 0.2s;
}
.cat-faq .faq-item:hover {
  border-color: var(--primary-border);
}
.cat-faq .faq-question {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  user-select: none;
}
.cat-faq .faq-question .faq-icon {
  font-size: 18px;
  color: var(--primary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.cat-faq .faq-item.open .faq-question .faq-icon {
  transform: rotate(45deg);
}
.cat-faq .faq-answer {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.8;
  padding: 0 20px 16px;
  border-left: 2px solid var(--primary);
  margin-left: 20px;
  display: none;
}
.cat-faq .faq-item.open .faq-answer {
  display: block;
}

/* ===== CTA ===== */
.cat-cta {
  padding: 56px 0;
  background: var(--bg-deep);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}
.cat-cta h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 12px;
  line-height: 1.3;
}
.cat-cta p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0 0 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cat-cta .cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cat-cta .btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}
.cat-cta .btn-primary {
  background: var(--primary);
  color: #0B100D;
}
.cat-cta .btn-primary:hover {
  background: #9BFF90;
  box-shadow: 0 4px 16px rgba(138, 255, 128, 0.3);
  transform: translateY(-1px);
}
.cat-cta .btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.cat-cta .btn-secondary:hover {
  background: var(--primary-dim);
  transform: translateY(-1px);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-showcase .showcase-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cat-hero h1 {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .category-container {
    padding: 0 16px;
  }
  .cat-hero {
    padding: 36px 0 28px;
  }
  .cat-hero h1 {
    font-size: 24px;
  }
  .cat-hero .hero-stats {
    gap: 20px;
  }
  .cat-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cat-filter .filter-tags {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .cat-filter .filter-tag {
    flex-shrink: 0;
  }
  .data-showcase {
    padding: 32px 0;
  }
  .data-showcase .showcase-panel {
    padding: 16px;
  }
  .brand-intro .intro-card {
    padding: 20px;
  }
  .cat-cta {
    padding: 40px 16px;
  }
  .cat-cta h2 {
    font-size: 22px;
  }
}

@media (max-width: 520px) {
  .cat-hero h1 {
    font-size: 20px;
  }
  .cat-hero .hero-desc {
    font-size: 14px;
  }
  .cat-card .card-title {
    font-size: 16px;
  }
  .cat-card .card-excerpt {
    font-size: 13px;
  }
  .cat-faq .faq-question {
    font-size: 14px;
    padding: 14px 16px;
  }
  .cat-faq .faq-answer {
    font-size: 13px;
    padding: 0 16px 14px;
    margin-left: 16px;
  }
}