/* roulang page: index */
:root {
            --primary: #0F1219;
            --accent-red: #E63946;
            --accent-green: #12C48B;
            --accent-amber: #F4B400;
            --bg: #F4F6F9;
            --card: #FFFFFF;
            --text: #1A1D26;
            --muted: #6B7280;
            --line: #E2E6EC;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 4px 16px rgba(15,18,25,0.06);
            --shadow-hover: 0 8px 24px rgba(15,18,25,0.12);
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', sans-serif;
            --section-pad: 88px;
            --nav-brand-h: 68px;
            --nav-channel-h: 46px;
            --transition: 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
        }

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

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

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-red);
        }

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

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-dark {
            background: var(--primary);
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: rgba(255,255,255,0.7);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-red);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-family: var(--font-num);
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 0 32px 0;
        }

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

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

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

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

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

        .grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        .btn-primary:hover {
            background: #c02735;
            border-color: #c02735;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(230,57,70,0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230,57,70,0.25);
        }

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

        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border-color: rgba(255,255,255,0.4);
        }

        .btn-light:hover {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-outline-red {
            background: transparent;
            color: var(--accent-red);
            border: 1px solid var(--accent-red);
        }

        .btn-outline-red:hover {
            background: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.03em;
        }

        .badge-red {
            background: rgba(230,57,70,0.1);
            color: var(--accent-red);
        }

        .badge-green {
            background: rgba(18,196,139,0.12);
            color: #0d9d6d;
        }

        .badge-amber {
            background: rgba(244,180,0,0.15);
            color: #b8860b;
        }

        .badge-dark {
            background: rgba(15,18,25,0.07);
            color: var(--text);
        }

        .card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(230,57,70,0.2);
        }

        .card-body {
            padding: 24px 22px;
        }

        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            background: rgba(15,18,25,0.05);
            color: var(--muted);
            margin-right: 6px;
            margin-bottom: 4px;
            transition: all var(--transition);
        }

        .tag:hover {
            background: rgba(230,57,70,0.1);
            color: var(--accent-red);
        }

        .tag-green {
            background: rgba(18,196,139,0.12);
            color: #0d9d6d;
        }

        .tag-amber {
            background: rgba(244,180,0,0.15);
            color: #b8860b;
        }

        .divider {
            height: 1px;
            background: var(--line);
            border: none;
            margin: 0;
        }

        /* Header / Navigation */
        .site-header {
            position: relative;
            z-index: 1000;
            width: 100%;
            top: 0;
            left: 0;
            transition: all 0.3s ease;
        }

        .nav-brand-row {
            background: var(--primary);
            height: var(--nav-brand-h);
            display: flex;
            align-items: center;
            transition: height 0.3s ease, opacity 0.25s ease;
        }

        .nav-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            font-family: var(--font-num);
        }

        .nav-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--accent-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #FFFFFF;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
            transition: all var(--transition);
        }

        .nav-search:focus-within {
            background: rgba(255,255,255,0.14);
            border-color: var(--accent-red);
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 13px;
            width: 140px;
            outline: none;
            padding: 2px 0;
        }

        .nav-search input::placeholder {
            color: rgba(255,255,255,0.45);
        }

        .nav-search .search-icon {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
        }

        .nav-subscribe-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255,255,255,0.85);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 6px;
            border: 1px solid rgba(255,255,255,0.15);
            transition: all var(--transition);
        }

        .nav-subscribe-link:hover {
            background: rgba(255,255,255,0.1);
            color: #FFFFFF;
            border-color: rgba(255,255,255,0.3);
        }

        .nav-channel-row {
            background: var(--primary);
            height: var(--nav-channel-h);
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        .nav-channel-row .container {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-channel-row .container::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            color: rgba(255,255,255,0.75);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .nav-channel-link:hover {
            color: #FFFFFF;
            background: rgba(255,255,255,0.08);
        }

        .nav-channel-link.active {
            color: #FFFFFF;
            background: rgba(230,57,70,0.25);
            font-weight: 600;
        }

        .nav-channel-link.active::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
            margin-top: 3px;
        }

        .site-header.scrolled .nav-brand-row {
            height: 0;
            opacity: 0;
            overflow: hidden;
            padding: 0;
        }

        .site-header.scrolled .nav-channel-row {
            height: 56px;
            background: rgba(15,18,25,0.97);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            border-top: none;
        }

        .nav-hamburger {
            display: none;
            color: #FFFFFF;
            font-size: 22px;
            cursor: pointer;
            padding: 4px;
            border-radius: 6px;
            transition: all var(--transition);
        }

        .nav-hamburger:hover {
            background: rgba(255,255,255,0.1);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15,18,25,0.98);
            z-index: 2000;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }

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

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .mobile-drawer-close {
            color: #FFFFFF;
            font-size: 26px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }

        .mobile-drawer-close:hover {
            background: rgba(255,255,255,0.1);
        }

        .mobile-drawer .nav-channel-link {
            display: block;
            font-size: 18px;
            padding: 14px 4px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.85);
        }

        .mobile-drawer .nav-channel-link.active {
            color: #FFFFFF;
            background: transparent;
            border-left: 3px solid var(--accent-red);
            padding-left: 12px;
        }

        .mobile-drawer .nav-channel-link.active::after {
            display: none;
        }

        .mobile-drawer-actions {
            margin-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* Hero */
        .hero {
            position: relative;
            background: var(--primary);
            color: #FFFFFF;
            padding: 72px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            filter: saturate(0.8) contrast(1.1);
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,18,25,0.92) 0%, rgba(15,18,25,0.7) 55%, rgba(230,57,70,0.25) 100%);
        }

        .hero-grid-lines {
            position: absolute;
            inset: 0;
            z-index: 1;
            background-image:
                linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-content h1 {
            font-size: clamp(32px, 4.5vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 20px 0;
            letter-spacing: -0.015em;
            color: #FFFFFF;
        }

        .hero-content h1 .highlight {
            color: var(--accent-red);
            position: relative;
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255,255,255,0.75);
            margin: 0 0 28px 0;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .hero-metrics {
            display: flex;
            gap: 24px;
            margin-top: 32px;
        }

        .hero-metric {
            text-align: left;
        }

        .hero-metric-value {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
        }

        .hero-metric-value .unit {
            font-size: 16px;
            color: var(--accent-green);
            margin-left: 2px;
        }

        .hero-metric-label {
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            margin-top: 2px;
        }

        .hero-card-stack {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: flex-end;
        }

        .hero-data-card {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 14px;
            padding: 20px 22px;
            width: 100%;
            max-width: 380px;
            transition: all var(--transition);
        }

        .hero-data-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(230,57,70,0.4);
            transform: translateX(-6px);
        }

        .hero-card-title {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255,255,255,0.7);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .hero-card-match .score {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-amber);
        }

        .hero-card-time {
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .live-dot {
            width: 7px;
            height: 7px;
            background: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Pain cards */
        .pain-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.25);
            transform: translateY(-4px);
        }

        .pain-card-icon {
            font-size: 26px;
            color: var(--accent-red);
            margin-bottom: 12px;
            display: block;
        }

        .pain-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

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

        /* Solution band */
        .solution-band {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .solution-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .solution-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: var(--radius-img);
        }

        .solution-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(15,18,25,0.7), transparent);
            pointer-events: none;
        }

        .solution-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .solution-list li .check-icon {
            color: var(--accent-green);
            font-size: 18px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Steps */
        .step-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            position: relative;
            transition: all var(--transition);
        }

        .step-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.2);
            transform: translateY(-4px);
        }

        .step-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: rgba(230,57,70,0.15);
            line-height: 1;
            margin-bottom: 8px;
            display: block;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

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

        /* Metrics */
        .metrics-band {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .metric-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(230,57,70,0.4);
            transform: translateY(-4px);
        }

        .metric-card .metric-value {
            font-family: var(--font-num);
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.1;
        }

        .metric-card .metric-value .unit {
            font-size: 20px;
            color: var(--accent-green);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            margin-top: 8px;
            font-weight: 500;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition);
        }

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

        .testimonial-stars {
            color: var(--accent-amber);
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

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

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .testimonial-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        .testimonial-scene {
            font-size: 12px;
            color: var(--muted);
        }

        /* Audience */
        .audience-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
        }

        .audience-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.25);
            transform: translateY(-4px);
        }

        .audience-icon {
            font-size: 32px;
            color: var(--accent-red);
            margin-bottom: 14px;
        }

        .audience-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

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

        /* News */
        .news-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            gap: 20px;
            padding: 20px;
            transition: all var(--transition);
            margin-bottom: 16px;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.2);
            transform: translateY(-2px);
        }

        .news-item-thumb {
            width: 200px;
            min-width: 200px;
            height: 130px;
            border-radius: var(--radius-img);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-item:hover .news-item-thumb img {
            transform: scale(1.04);
        }

        .news-item-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-item-date {
            font-size: 12px;
            color: var(--muted);
            font-family: var(--font-num);
            margin-bottom: 6px;
        }

        .news-item-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px 0;
            line-height: 1.4;
        }

        .news-item-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-item .btn-read {
            align-self: flex-start;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-red);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }

        .news-item .btn-read:hover {
            border-bottom-color: var(--accent-red);
            color: #c02735;
        }

        /* Brand intro */
        .brand-intro {
            background: var(--primary);
            color: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(230,57,70,0.15);
            pointer-events: none;
        }

        .brand-intro h2 {
            color: #FFFFFF;
            font-weight: 700;
            margin: 0 0 16px 0;
        }

        .brand-intro p {
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            line-height: 1.85;
            max-width: 800px;
            margin: 0;
        }

        /* Trend bars */
        .trend-bar-item {
            margin-bottom: 16px;
        }

        .trend-bar-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .trend-bar-label .value {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-red);
        }

        .trend-bar-track {
            height: 8px;
            background: var(--line);
            border-radius: 999px;
            overflow: hidden;
        }

        .trend-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--accent-red);
            transition: width 1s ease;
        }

        .trend-bar-fill.green {
            background: var(--accent-green);
        }

        .trend-bar-fill.amber {
            background: var(--accent-amber);
        }

        /* Topic grid */
        .topic-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
            position: relative;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.25);
            transform: translateY(-4px);
        }

        .topic-card-img {
            height: 150px;
            overflow: hidden;
            position: relative;
        }

        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .topic-card-body {
            padding: 18px 20px;
        }

        .topic-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .topic-card-body p {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 10px 0;
            line-height: 1.6;
        }

        /* Resources */
        .resource-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition);
        }

        .resource-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.2);
            transform: translateY(-4px);
        }

        .resource-icon {
            width: 44px;
            height: 44px;
            background: rgba(230,57,70,0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-red);
            flex-shrink: 0;
        }

        .resource-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px 0;
            color: var(--text);
        }

        .resource-card p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Quick guide */
        .guide-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .guide-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(230,57,70,0.35);
            transform: translateY(-4px);
        }

        .guide-step {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-red);
            margin-bottom: 8px;
        }

        .guide-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 6px 0;
        }

        .guide-card p {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            margin: 0;
            line-height: 1.6;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--line);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 24px 20px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #FFFFFF;
            box-shadow: 0 0 0 3px rgba(230,57,70,0.2);
        }

        .timeline-item.green::before {
            background: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(18,196,139,0.2);
        }

        .timeline-item.amber::before {
            background: var(--accent-amber);
            box-shadow: 0 0 0 3px rgba(244,180,0,0.2);
        }

        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px 0;
            color: var(--text);
        }

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

        /* Subscribe CTA */
        .subscribe-card {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: #FFFFFF;
            background-image:
                linear-gradient(135deg, rgba(230,57,70,0.12) 0%, transparent 60%),
                radial-gradient(circle at 90% 20%, rgba(18,196,139,0.1), transparent 45%);
            position: relative;
            overflow: hidden;
        }

        .subscribe-card h2 {
            color: #FFFFFF;
            font-weight: 700;
            margin: 0 0 8px 0;
        }

        .subscribe-card p {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
            margin: 0 0 20px 0;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            padding: 12px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: #FFFFFF;
            font-size: 14px;
            min-width: 240px;
            flex: 1;
            max-width: 320px;
            outline: none;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.4);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-green);
            background: rgba(255,255,255,0.12);
            box-shadow: 0 0 0 3px rgba(18,196,139,0.2);
        }

        /* CTA banner */
        .cta-banner {
            background: linear-gradient(135deg, #0F1219 0%, #1a1f2b 60%, #1f1a18 100%);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(230,57,70,0.2);
            pointer-events: none;
        }

        .cta-banner h2 {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 26px;
            margin: 0 0 6px 0;
        }

        .cta-banner p {
            color: rgba(255,255,255,0.65);
            font-size: 15px;
            margin: 0;
        }

        /* Quick nav */
        .quick-nav-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition);
        }

        .quick-nav-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.25);
            transform: translateX(6px);
        }

        .quick-nav-card .qn-label {
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
        }

        .quick-nav-card .qn-arrow {
            color: var(--accent-red);
            font-size: 18px;
            transition: transform var(--transition);
        }

        .quick-nav-card:hover .qn-arrow {
            transform: translateX(4px);
        }

        /* Trust indicators */
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 14px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 999px;
            white-space: nowrap;
        }

        .trust-badge i {
            color: var(--accent-green);
            font-size: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            padding-top: 56px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
        }

        .footer-brand .nav-logo {
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin: 0 0 16px 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 14px 0;
            letter-spacing: 0.03em;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            font-weight: 500;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 64px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-card-stack {
                align-items: stretch;
            }
            .hero-data-card {
                max-width: 100%;
            }
            .metrics-band {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .step-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4, .grid-5 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .solution-band {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .solution-image img {
                height: 260px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
                --nav-brand-h: 56px;
                --nav-channel-h: 48px;
            }
            .nav-channel-row {
                display: none;
            }
            .nav-hamburger {
                display: block;
            }
            .mobile-drawer {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .nav-brand-row {
                height: 56px;
            }
            .site-header.scrolled .nav-brand-row {
                height: 56px;
                opacity: 1;
                overflow: visible;
            }
            .site-header.scrolled .nav-channel-row {
                display: none;
            }
            .hero {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-metrics {
                gap: 16px;
                flex-wrap: wrap;
            }
            .grid-2, .grid-3, .grid-4, .grid-5 {
                grid-template-columns: 1fr;
            }
            .metrics-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-strip {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-item-thumb {
                width: 100%;
                min-width: auto;
                height: 160px;
            }
            .brand-intro {
                padding: 28px 22px;
            }
            .subscribe-card {
                padding: 28px 22px;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .metrics-band {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-metrics {
                flex-direction: column;
                gap: 10px;
            }
            .news-item {
                padding: 14px;
            }
            .news-item-summary {
                font-size: 13px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F1219;
            --accent-red: #E63946;
            --accent-green: #12C48B;
            --accent-amber: #F4B400;
            --bg: #F4F6F9;
            --card: #FFFFFF;
            --text: #1A1D26;
            --muted: #6B7280;
            --line: #E2E6EC;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 4px 16px rgba(15,18,25,0.06);
            --shadow-hover: 0 8px 24px rgba(15,18,25,0.12);
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', sans-serif;
            --section-pad: 88px;
            --nav-brand-h: 68px;
            --nav-channel-h: 46px;
            --transition: 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
        }
        @media (max-width: 1024px) {
            :root {
                --section-pad: 64px;
            }
        }
        @media (max-width: 640px) {
            :root {
                --section-pad: 48px;
                --nav-brand-h: 56px;
                --nav-channel-h: 48px;
            }
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-red);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-dark {
            background: var(--primary);
            color: #FFFFFF;
        }
        .section-dark .section-subtitle {
            color: rgba(255,255,255,0.7);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-red);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-family: var(--font-num);
        }
        .section-title {
            font-size: clamp(26px, 3.5vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 0 32px 0;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }
        .btn-primary:hover {
            background: #c02735;
            border-color: #c02735;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(230,57,70,0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230,57,70,0.25);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text);
            border-color: var(--line);
        }
        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border-color: rgba(255,255,255,0.4);
        }
        .btn-light:hover {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-outline-red {
            background: transparent;
            color: var(--accent-red);
            border: 1px solid var(--accent-red);
        }
        .btn-outline-red:hover {
            background: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-text {
            background: transparent;
            color: var(--accent-red);
            padding: 4px 0;
            border-radius: 0;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-text:hover {
            color: #c02735;
            gap: 10px;
        }
        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: 0 1px 0 var(--line);
            transition: all 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(15,18,25,0.12);
        }
        .site-header.scrolled .nav-brand-row {
            height: 0;
            padding: 0;
            overflow: hidden;
            opacity: 0;
        }
        .site-header.scrolled .nav-channel-row {
            background: var(--primary);
        }
        .site-header.scrolled .nav-channel-link {
            color: rgba(255,255,255,0.75);
        }
        .site-header.scrolled .nav-channel-link.active {
            color: var(--accent-red);
        }
        .nav-brand-row {
            height: var(--nav-brand-h);
            display: flex;
            align-items: center;
            padding: 0;
            transition: all 0.3s ease;
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
        }
        .nav-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            line-height: 1;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--accent-red);
        }
        .logo-mark {
            display: inline-flex;
            width: 36px;
            height: 36px;
            background: var(--accent-red);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }
        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            white-space: nowrap;
        }
        .nav-brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 6px 14px;
            min-width: 220px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(18,196,139,0.12);
        }
        .nav-search .search-icon {
            color: var(--muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text);
            width: 100%;
            padding: 0;
            line-height: 1.5;
        }
        .nav-search input::placeholder {
            color: var(--muted);
            font-size: 13px;
        }
        .nav-subscribe-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            padding: 6px 14px;
            border-radius: 8px;
            border: 1px solid var(--line);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-subscribe-link:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
            background: var(--bg);
            border: 1px solid var(--line);
            transition: all var(--transition);
        }
        .nav-hamburger:hover {
            background: var(--accent-red);
            color: #fff;
            border-color: var(--accent-red);
        }
        .nav-channel-row {
            height: var(--nav-channel-h);
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
        }
        .nav-channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            width: 100%;
        }
        .nav-channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            border-radius: 7px;
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }
        .nav-channel-link:hover {
            color: var(--accent-red);
            background: rgba(230,57,70,0.06);
        }
        .nav-channel-link.active {
            color: var(--accent-red);
            background: rgba(230,57,70,0.08);
        }
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: var(--nav-brand-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 99;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
            transition: all var(--transition);
        }
        .mobile-nav-drawer.open {
            display: flex;
        }
        .mobile-nav-drawer a {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            background: rgba(230,57,70,0.15);
            color: var(--accent-red);
        }
        .mobile-nav-drawer .drawer-subscribe {
            margin-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 16px;
            color: rgba(255,255,255,0.6);
            font-size: 14px;
            font-weight: 400;
        }
        @media (max-width: 768px) {
            .nav-brand-actions .nav-search,
            .nav-brand-actions .nav-subscribe-link {
                display: none;
            }
            .nav-hamburger {
                display: inline-flex;
            }
            .nav-channel-row {
                overflow-x: auto;
            }
            .nav-channel-row .container {
                padding: 0 16px;
                gap: 2px;
            }
            .nav-channel-link {
                padding: 6px 12px;
                font-size: 13px;
            }
            .mobile-nav-drawer {
                display: none;
            }
            .mobile-nav-drawer.open {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .nav-logo-text {
                font-size: 18px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 18px;
            }
            .nav-brand-row .container {
                padding: 0 12px;
            }
        }
        /* 分类页头图 */
        .category-hero {
            position: relative;
            min-height: 280px;
            max-height: 280px;
            display: flex;
            align-items: center;
            padding: 0;
            background: var(--primary);
            overflow: hidden;
            margin-top: calc(var(--nav-brand-h) + var(--nav-channel-h));
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,18,25,0.85) 0%, rgba(15,18,25,0.6) 50%, rgba(230,57,70,0.25) 100%);
        }
        .category-hero .hero-grid-lines {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                                linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            width: 100%;
        }
        .category-hero .hero-copy {
            max-width: 620px;
        }
        .category-hero .hero-copy h1 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin: 0 0 12px 0;
            letter-spacing: -0.01em;
        }
        .category-hero .hero-copy h1 .highlight {
            color: var(--accent-red);
        }
        .category-hero .hero-copy p {
            font-size: 15px;
            color: rgba(255,255,255,0.72);
            line-height: 1.7;
            margin: 0;
            max-width: 560px;
        }
        .category-hero .hero-badges {
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-shrink: 0;
        }
        .hero-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 10px;
            padding: 10px 18px;
            min-width: 180px;
            backdrop-filter: blur(8px);
        }
        .hero-badge .badge-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent-amber);
            line-height: 1;
        }
        .hero-badge .badge-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 220px;
                max-height: 220px;
                margin-top: calc(var(--nav-brand-h) + var(--nav-channel-h));
            }
            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .category-hero .hero-badges {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 8px;
            }
            .hero-badge {
                min-width: 130px;
                padding: 8px 14px;
            }
            .hero-badge .badge-num {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                min-height: 200px;
                max-height: 200px;
            }
            .category-hero .hero-copy h1 {
                font-size: 24px;
            }
            .category-hero .hero-copy p {
                font-size: 13px;
            }
            .hero-badge {
                padding: 6px 12px;
                min-width: 100px;
            }
            .hero-badge .badge-num {
                font-size: 18px;
            }
            .hero-badge .badge-label {
                font-size: 11px;
            }
        }
        /* 数据快照条 */
        .snapshot-strip {
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
            padding: 18px 0;
        }
        .snapshot-strip .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .snapshot-item {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .snapshot-item .snap-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .snapshot-item .snap-icon.red {
            background: rgba(230,57,70,0.1);
            color: var(--accent-red);
        }
        .snapshot-item .snap-icon.green {
            background: rgba(18,196,139,0.1);
            color: var(--accent-green);
        }
        .snapshot-item .snap-icon.amber {
            background: rgba(244,180,0,0.1);
            color: var(--accent-amber);
        }
        .snapshot-item .snap-icon.muted {
            background: rgba(107,114,128,0.1);
            color: var(--muted);
        }
        .snapshot-item .snap-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.1;
        }
        .snapshot-item .snap-label {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.3;
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .snapshot-strip .container {
                gap: 16px;
            }
            .snapshot-item .snap-num {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .snapshot-strip .container {
                gap: 12px;
            }
            .snapshot-item .snap-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .snapshot-item .snap-num {
                font-size: 18px;
            }
        }
        /* 筛选栏 */
        .filter-bar {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 14px 20px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-right: 4px;
            flex-shrink: 0;
        }
        .filter-bar .filter-label i {
            color: var(--muted);
            font-size: 13px;
        }
        .filter-pill {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            background: var(--bg);
            border: 1px solid var(--line);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-pill:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            background: rgba(230,57,70,0.05);
        }
        .filter-pill.active {
            background: var(--accent-red);
            color: #fff;
            border-color: var(--accent-red);
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .filter-bar {
                padding: 12px 14px;
                gap: 8px;
            }
            .filter-pill {
                padding: 6px 12px;
                font-size: 12px;
            }
        }
        /* 复盘列表卡片 */
        .review-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .review-card {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 24px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            align-items: center;
        }
        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(230,57,70,0.2);
        }
        .review-card .card-content {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .review-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .review-card .card-date {
            font-size: 13px;
            color: var(--muted);
            font-family: var(--font-num);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .review-card .card-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            background: rgba(230,57,70,0.08);
            color: var(--accent-red);
        }
        .review-card .card-tag.green {
            background: rgba(18,196,139,0.1);
            color: #0d9e6f;
        }
        .review-card .card-tag.amber {
            background: rgba(244,180,0,0.12);
            color: #b88900;
        }
        .review-card .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
            letter-spacing: -0.01em;
        }
        .review-card .card-title a {
            color: inherit;
            transition: color var(--transition);
        }
        .review-card .card-title a:hover {
            color: var(--accent-red);
        }
        .review-card .card-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .review-card .card-image {
            width: 280px;
            height: 170px;
            border-radius: var(--radius-img);
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }
        .review-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .review-card:hover .card-image img {
            transform: scale(1.04);
        }
        .review-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(15,18,25,0.3) 100%);
            pointer-events: none;
        }
        @media (max-width: 768px) {
            .review-card {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 18px 20px;
            }
            .review-card .card-image {
                width: 100%;
                height: 180px;
                order: -1;
            }
            .review-card .card-title {
                font-size: 18px;
            }
        }
        @media (max-width: 520px) {
            .review-card {
                padding: 14px 16px;
            }
            .review-card .card-image {
                height: 150px;
            }
            .review-card .card-title {
                font-size: 16px;
            }
            .review-card .card-excerpt {
                font-size: 13px;
            }
        }
        /* 查看更多 */
        .load-more-wrap {
            text-align: center;
            padding: 20px 0 10px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 36px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            background: #FFFFFF;
            border: 1px solid var(--line);
            transition: all var(--transition);
        }
        .load-more-btn:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        /* 主题聚合 */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .topic-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .topic-card i {
            color: var(--accent-red);
            font-size: 14px;
        }
        .topic-card:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        /* 数据解读 */
        .insight-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            box-shadow: var(--shadow-sm);
        }
        .insight-card .insight-header {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
        }
        .insight-card .insight-header i {
            color: var(--accent-amber);
            font-size: 18px;
        }
        .insight-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
        }
        .insight-card .insight-highlight {
            background: rgba(244,180,0,0.08);
            border-left: 3px solid var(--accent-amber);
            padding: 10px 16px;
            border-radius: 0 8px 8px 0;
            font-size: 13px;
            color: var(--text);
            line-height: 1.7;
        }
        /* 订阅CTA */
        .subscribe-cta-card {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(230,57,70,0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 120px;
            width: 180px;
            height: 180px;
            background: rgba(18,196,139,0.1);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-cta-card .cta-copy {
            max-width: 480px;
            z-index: 1;
        }
        .subscribe-cta-card .cta-copy h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px 0;
            letter-spacing: -0.01em;
        }
        .subscribe-cta-card .cta-copy p {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin: 0;
        }
        .subscribe-cta-card .cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1;
            flex-wrap: wrap;
        }
        .subscribe-cta-card .cta-form input {
            padding: 12px 18px;
            border-radius: 10px;
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 14px;
            width: 240px;
            outline: none;
            transition: all var(--transition);
        }
        .subscribe-cta-card .cta-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .subscribe-cta-card .cta-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(18,196,139,0.15);
        }
        @media (max-width: 768px) {
            .subscribe-cta-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .subscribe-cta-card .cta-form input {
                width: 100%;
            }
            .subscribe-cta-card .cta-copy h2 {
                font-size: 20px;
            }
        }
        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 60px 0 24px;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            color: #FFFFFF;
            font-weight: 800;
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .nav-logo .logo-mark {
            display: inline-flex;
            width: 32px;
            height: 32px;
            background: #E63946;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
        }
        .footer-brand .nav-logo:hover {
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin: 12px 0 0 0;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 14px 0;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--accent-red);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent-red);
        }
        .footer-bottom .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .site-footer {
                padding: 40px 0 18px;
            }
        }
        /* 响应式网格 */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-5 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .grid-5 {
                grid-template-columns: repeat(2, 1fr);
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F1219;
            --accent-red: #E63946;
            --accent-green: #12C48B;
            --accent-amber: #F4B400;
            --bg: #F4F6F9;
            --card: #FFFFFF;
            --text: #1A1D26;
            --muted: #6B7280;
            --line: #E2E6EC;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 4px 16px rgba(15, 18, 25, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 18, 25, 0.12);
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', sans-serif;
            --section-pad: 72px;
            --nav-brand-h: 68px;
            --nav-channel-h: 46px;
            --transition: 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
        }

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

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

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-red);
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-dark {
            background: var(--primary);
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-red);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-family: var(--font-num);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 14px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 0 28px 0;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

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

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        .btn-primary:hover {
            background: #c02735;
            border-color: #c02735;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(230, 57, 70, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.25);
        }

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

        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-light:hover {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-outline-red {
            background: transparent;
            color: var(--accent-red);
            border: 1px solid var(--accent-red);
        }

        .btn-outline-red:hover {
            background: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

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

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            line-height: 1.6;
            background: #F0F2F5;
            color: var(--muted);
        }

        .tag-red {
            background: rgba(230, 57, 70, 0.1);
            color: var(--accent-red);
        }

        .tag-green {
            background: rgba(18, 196, 139, 0.1);
            color: var(--accent-green);
        }

        .tag-amber {
            background: rgba(244, 180, 0, 0.1);
            color: #B8860B;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
            transition: all 0.3s ease;
        }

        .site-header.header-scrolled {
            box-shadow: 0 4px 16px rgba(15, 18, 25, 0.1);
            background: rgba(15, 18, 25, 0.95);
            border-bottom-color: rgba(255, 255, 255, 0.1);
        }

        .site-header.header-scrolled .nav-brand-row {
            height: 0;
            overflow: hidden;
            padding: 0;
            opacity: 0;
            transition: all 0.3s ease;
        }

        .site-header.header-scrolled .nav-channel-row {
            height: var(--nav-channel-h);
            background: transparent;
        }

        .site-header.header-scrolled .nav-channel-link {
            color: rgba(255, 255, 255, 0.85);
        }

        .site-header.header-scrolled .nav-channel-link:hover {
            color: #FFFFFF;
        }

        .site-header.header-scrolled .nav-channel-link.active {
            color: var(--accent-red);
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-brand-row {
            height: var(--nav-brand-h);
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            background: #FFFFFF;
            overflow: hidden;
        }

        .nav-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .nav-logo:hover {
            color: var(--accent-red);
        }

        .logo-mark {
            display: inline-flex;
            width: 36px;
            height: 36px;
            background: var(--accent-red);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 19px;
            font-weight: 800;
            white-space: nowrap;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: #F0F2F5;
            border-radius: 999px;
            padding: 7px 16px;
            gap: 8px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent-red);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            width: 150px;
            color: var(--text);
        }

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

        .nav-subscribe-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 7px 14px;
            border-radius: 999px;
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .nav-subscribe-link:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .nav-hamburger {
            display: none;
            font-size: 22px;
            color: var(--primary);
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-hamburger:hover {
            background: #F0F2F5;
        }

        .nav-channel-row {
            height: var(--nav-channel-h);
            display: flex;
            align-items: center;
            background: #FFFFFF;
            border-top: 1px solid var(--line);
            transition: all 0.3s ease;
        }

        .nav-channel-row .container {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
            overflow-x: auto;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-channel-link:hover {
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.05);
        }

        .nav-channel-link.active {
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.08);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100vh;
            background: #FFFFFF;
            z-index: 200;
            box-shadow: -8px 0 24px rgba(15, 18, 25, 0.15);
            transition: right 0.3s cubic-bezier(0.2, 0.7, 0.3, 1);
            padding: 24px 20px;
            overflow-y: auto;
        }

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

        .mobile-drawer-close {
            font-size: 22px;
            color: var(--muted);
            padding: 8px;
            border-radius: 6px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .mobile-drawer-close:hover {
            background: #F0F2F5;
            color: var(--accent-red);
        }

        .mobile-drawer-link {
            display: block;
            padding: 12px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--line);
            transition: all var(--transition);
        }

        .mobile-drawer-link:hover {
            color: var(--accent-red);
            padding-left: 12px;
        }

        .mobile-drawer-link.active {
            color: var(--accent-red);
        }

        .drawer-actions {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 18, 25, 0.5);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding-top: calc(var(--nav-brand-h) + var(--nav-channel-h) + 24px);
            padding-bottom: 28px;
            background: var(--primary);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/ee0a1b50ccd047e8.jpg');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 18, 25, 0.7) 0%, rgba(15, 18, 25, 0.95) 100%);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(45deg, rgba(230, 57, 70, 0.15) 25%, transparent 25%, transparent 75%, rgba(230, 57, 70, 0.15) 75%),
                linear-gradient(45deg, rgba(230, 57, 70, 0.15) 25%, transparent 25%, transparent 75%, rgba(230, 57, 70, 0.15) 75%);
            background-size: 40px 40px;
            background-position: 0 0, 20px 20px;
            opacity: 0.3;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            padding-bottom: 20px;
        }

        .category-hero-text {
            max-width: 700px;
        }

        .category-hero h1 {
            font-size: clamp(28px, 4vw, 36px);
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin: 0 0 12px 0;
            letter-spacing: -0.01em;
        }

        .category-hero-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin: 0;
            max-width: 620px;
        }

        .category-hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 10px 16px;
            text-align: center;
            min-width: 80px;
        }

        .hero-badge-num {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .hero-badge-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        /* Stats Bar */
        .stats-bar {
            padding-top: 24px;
            padding-bottom: 24px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
        }

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

        .stat-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
        }

        .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .stat-icon.red {
            background: rgba(230, 57, 70, 0.1);
            color: var(--accent-red);
        }

        .stat-icon.green {
            background: rgba(18, 196, 139, 0.1);
            color: var(--accent-green);
        }

        .stat-icon.amber {
            background: rgba(244, 180, 0, 0.1);
            color: #B8860B;
        }

        .stat-icon.muted {
            background: #F0F2F5;
            color: var(--muted);
        }

        .stat-number {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text);
        }

        .stat-label {
            font-size: 13px;
            color: var(--muted);
        }

        /* Filter Bar */
        .filter-bar {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            border-bottom: 1px solid var(--line);
            margin-bottom: 32px;
        }

        .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-right: 6px;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            background: #FFFFFF;
            border: 1px solid var(--line);
            transition: all var(--transition);
            cursor: pointer;
        }

        .filter-pill:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .filter-pill.active {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
        }

        /* Article Cards */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .article-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .article-card-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .article-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .article-date {
            font-size: 12px;
            color: var(--muted);
            font-family: var(--font-num);
            letter-spacing: 0.04em;
        }

        .article-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text);
            margin: 0 0 8px 0;
        }

        .article-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0 0 16px 0;
            flex: 1;
        }

        .article-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .article-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .read-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-red);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .read-more-link i {
            font-size: 11px;
            transition: transform var(--transition);
        }

        .read-more-link:hover {
            color: var(--accent-red);
        }

        .read-more-link:hover i {
            transform: translateX(4px);
        }

        /* More Button */
        .load-more-section {
            text-align: center;
            padding-top: 40px;
        }

        .btn-load-more {
            padding: 12px 36px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1px solid var(--line);
            background: #FFFFFF;
            color: var(--text);
            transition: all var(--transition);
        }

        .btn-load-more:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            box-shadow: var(--shadow-sm);
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }

        .topic-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 18px 14px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }

        .topic-card:hover {
            border-color: var(--accent-red);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .topic-card-icon {
            font-size: 24px;
            color: var(--accent-red);
            margin-bottom: 8px;
        }

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

        /* Tip Card */
        .tip-card {
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-left: 4px solid var(--accent-amber);
            border-radius: 10px;
            padding: 24px 28px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            box-shadow: var(--shadow-sm);
        }

        .tip-icon {
            font-size: 22px;
            color: var(--accent-amber);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .tip-content {
            flex: 1;
        }

        .tip-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px 0;
        }

        .tip-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0 0 12px 0;
        }

        .tip-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-red);
        }

        .tip-link:hover {
            color: var(--accent-red);
            text-decoration: underline;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta-text {
            position: relative;
            z-index: 1;
            max-width: 500px;
        }

        .subscribe-cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px 0;
        }

        .subscribe-cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            padding: 11px 18px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            font-size: 14px;
            width: 220px;
            outline: none;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(18, 196, 139, 0.2);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: #FFFFFF;
            padding-top: 56px;
            padding-bottom: 24px;
            margin-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .nav-logo {
            color: #FFFFFF;
            font-weight: 800;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-brand .nav-logo .logo-mark {
            display: inline-flex;
            width: 32px;
            height: 32px;
            background: #E63946;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin: 0 0 14px 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 14px 0;
            letter-spacing: 0.02em;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 56px;
            }
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-search input {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 44px;
                --nav-brand-h: 56px;
                --nav-channel-h: 0px;
            }
            .nav-channel-row {
                display: none;
            }
            .nav-hamburger {
                display: block;
            }
            .nav-subscribe-link {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-drawer {
                display: block;
            }
            .category-hero {
                padding-top: calc(var(--nav-brand-h) + 16px);
                min-height: 220px;
            }
            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .category-hero-badges {
                width: 100%;
                justify-content: flex-start;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .subscribe-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .subscribe-form input {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 36px;
            }
            .stats-bar-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .article-card-image {
                height: 150px;
            }
            .article-card-body {
                padding: 16px 18px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-badge {
                min-width: 60px;
                padding: 8px 10px;
            }
            .hero-badge-num {
                font-size: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F1219;
            --accent-red: #E63946;
            --accent-green: #12C48B;
            --accent-amber: #F4B400;
            --bg: #F4F6F9;
            --card: #FFFFFF;
            --text: #1A1D26;
            --muted: #6B7280;
            --line: #E2E6EC;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 4px 16px rgba(15, 18, 25, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 18, 25, 0.12);
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', sans-serif;
            --section-pad: 88px;
            --nav-brand-h: 68px;
            --nav-channel-h: 46px;
            --transition: 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
        }

        @media (max-width: 1024px) {
            :root {
                --section-pad: 64px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --section-pad: 48px;
                --nav-brand-h: 56px;
                --nav-channel-h: 48px;
            }
        }

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

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

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-red);
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-dark {
            background: var(--primary);
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-red);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-family: var(--font-num);
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 0 32px 0;
        }

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

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

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

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

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

        .grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        .btn-primary:hover {
            background: #c02735;
            border-color: #c02735;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(230, 57, 70, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.25);
        }

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

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

        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-light:hover {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-outline-red {
            background: transparent;
            color: var(--accent-red);
            border: 1px solid var(--accent-red);
        }

        .btn-outline-red:hover {
            background: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-red:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
        }

        .badge-red {
            background: rgba(230, 57, 70, 0.1);
            color: var(--accent-red);
        }

        .badge-green {
            background: rgba(18, 196, 139, 0.12);
            color: var(--accent-green);
        }

        .badge-amber {
            background: rgba(244, 180, 0, 0.15);
            color: #B07E00;
        }

        .badge-dark {
            background: rgba(15, 18, 25, 0.08);
            color: var(--text);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--muted);
            border: 1px solid var(--line);
            transition: all var(--transition);
            cursor: pointer;
        }

        .tag:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.05);
        }

        .tag.active {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        /* ========== 导航样式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 2px 12px rgba(15, 18, 25, 0.04);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 18, 25, 0.12);
            background: rgba(15, 18, 25, 0.97);
        }

        .site-header.scrolled .nav-brand-row {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            padding: 0;
            transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
        }

        .site-header.scrolled .nav-channel-row {
            background: rgba(15, 18, 25, 0.97);
        }

        .site-header.scrolled .nav-channel-link {
            color: rgba(255, 255, 255, 0.75);
        }

        .site-header.scrolled .nav-channel-link.active,
        .site-header.scrolled .nav-channel-link:hover {
            color: #FFFFFF;
        }

        .site-header.scrolled .nav-channel-link.active::after {
            background: var(--accent-red);
        }

        .nav-brand-row {
            height: var(--nav-brand-h);
            display: flex;
            align-items: center;
            background: #FFFFFF;
            transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
            overflow: hidden;
        }

        .nav-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }

        .nav-logo:hover {
            color: var(--accent-red);
        }

        .logo-mark {
            display: inline-flex;
            width: 36px;
            height: 36px;
            background: var(--accent-red);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #FFFFFF;
            font-family: var(--font-num);
            letter-spacing: 0;
        }

        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.01em;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 8px;
            padding: 6px 14px;
            gap: 8px;
            border: 1px solid var(--line);
            transition: border-color var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent-red);
        }

        .nav-search .search-icon {
            font-size: 13px;
            color: var(--muted);
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text);
            width: 160px;
        }

        .nav-search input::placeholder {
            color: var(--muted);
        }

        .nav-subscribe-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            padding: 6px 14px;
            border-radius: 8px;
            border: 1px solid var(--line);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-subscribe-link:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text);
            border-radius: 8px;
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .nav-hamburger:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .nav-channel-row {
            height: var(--nav-channel-h);
            display: flex;
            align-items: center;
            background: #FFFFFF;
            border-top: 1px solid var(--line);
            transition: background var(--transition);
        }

        .nav-channel-row .container {
            display: flex;
            align-items: center;
            gap: 28px;
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-channel-row .container::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            padding: 4px 0;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

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

        .nav-channel-link:hover {
            color: var(--accent-red);
        }

        .nav-channel-link.active {
            color: var(--primary);
        }

        .nav-channel-link.active::after {
            background: var(--accent-red);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #FFFFFF;
            z-index: 2000;
            box-shadow: -4px 0 24px rgba(15, 18, 25, 0.15);
            transition: right 0.3s cubic-bezier(0.2, 0.7, 0.3, 1);
            padding: 24px 20px;
            overflow-y: auto;
        }

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

        .mobile-drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--line);
        }

        .mobile-drawer-close {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--muted);
            border-radius: 6px;
            transition: all var(--transition);
        }

        .mobile-drawer-close:hover {
            background: var(--bg);
            color: var(--accent-red);
        }

        .mobile-nav-link {
            display: flex;
            align-items: center;
            padding: 12px 0;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid #F0F2F5;
            transition: color var(--transition);
        }

        .mobile-nav-link:hover {
            color: var(--accent-red);
        }

        .mobile-nav-link.active {
            color: var(--accent-red);
        }

        .mobile-drawer-actions {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 18, 25, 0.5);
            z-index: 1999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ========== 分类页特有样式 ========== */
        .category-hero {
            position: relative;
            min-height: 260px;
            max-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--primary);
            padding: 40px 0;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .category-hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }

        .category-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 18, 25, 0.92) 0%, rgba(15, 18, 25, 0.65) 55%, rgba(15, 18, 25, 0.4) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .category-hero-content {
            flex: 1;
            min-width: 280px;
        }

        .category-hero h1 {
            font-size: clamp(28px, 4vw, 36px);
            font-weight: 800;
            color: #FFFFFF;
            margin: 0 0 12px 0;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }

        .category-hero-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.75;
            max-width: 620px;
            margin: 0;
        }

        .category-hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
            align-items: flex-end;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 14px 20px;
            text-align: center;
            min-width: 110px;
        }

        .hero-stat-num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.1;
        }

        .hero-stat-num .accent {
            color: var(--accent-amber);
        }

        .hero-stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        .stat-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            margin-top: -32px;
            position: relative;
            z-index: 10;
        }

        .stat-strip-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .stat-strip-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .stat-strip-icon.red {
            background: rgba(230, 57, 70, 0.1);
            color: var(--accent-red);
        }

        .stat-strip-icon.green {
            background: rgba(18, 196, 139, 0.12);
            color: var(--accent-green);
        }

        .stat-strip-icon.amber {
            background: rgba(244, 180, 0, 0.15);
            color: #B07E00;
        }

        .stat-strip-icon.blue {
            background: rgba(59, 130, 246, 0.1);
            color: #3B82F6;
        }

        .stat-strip-info {
            display: flex;
            flex-direction: column;
        }

        .stat-strip-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
        }

        .stat-strip-label {
            font-size: 13px;
            color: var(--muted);
        }

        /* 筛选栏 */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--line);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-group-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            background: #FFFFFF;
            color: var(--text);
            border: 1px solid var(--line);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .filter-chip.active {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        .filter-sort {
            display: flex;
            gap: 4px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 3px;
        }

        .filter-sort-btn {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-sort-btn:hover {
            color: var(--text);
            background: var(--bg);
        }

        .filter-sort-btn.active {
            background: var(--primary);
            color: #FFFFFF;
        }

        /* 文章列表卡片 */
        .article-card {
            display: flex;
            gap: 20px;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

        .article-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(230, 57, 70, 0.25);
            transform: translateY(-2px);
        }

        .article-card-img {
            width: 200px;
            flex-shrink: 0;
            border-radius: var(--radius-img);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg);
        }

        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .article-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 8px;
            font-size: 12px;
            color: var(--muted);
        }

        .article-card-date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0 0 8px 0;
            transition: color var(--transition);
        }

        .article-card-title a {
            color: inherit;
        }

        .article-card-title a:hover {
            color: var(--accent-red);
        }

        .article-card-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            flex-wrap: wrap;
        }

        .article-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .article-card-tags span {
            font-size: 11px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            background: var(--bg);
            color: var(--muted);
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .read-more:hover {
            color: var(--accent-red);
            gap: 10px;
        }

        .read-more i {
            font-size: 11px;
        }

        /* 查看更多 */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            padding-top: 28px;
        }

        /* 主题聚合 */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            background: #FFFFFF;
            color: var(--text);
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .topic-pill:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-1px);
        }

        .topic-pill i {
            font-size: 12px;
            color: var(--accent-red);
        }

        /* 数据解读提示卡 */
        .tip-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .tip-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(244, 180, 0, 0.15);
            color: #B07E00;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .tip-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px 0;
        }

        .tip-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
        }

        /* 订阅CTA卡片 */
        .subscribe-card {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.12);
            pointer-events: none;
        }

        .subscribe-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 80px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(18, 196, 139, 0.08);
            pointer-events: none;
        }

        .subscribe-card-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .subscribe-card-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px 0;
        }

        .subscribe-card-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            padding: 12px 20px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 14px;
            width: 240px;
            outline: none;
            transition: border-color var(--transition);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent-green);
            outline: 2px solid rgba(18, 196, 139, 0.3);
            outline-offset: 1px;
        }

        /* ========== 页脚样式 ========== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .nav-logo {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .footer-brand .nav-logo:hover {
            color: #FFFFFF;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 14px 0;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .grid-3,
            .grid-4,
            .grid-5 {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .article-card {
                flex-direction: column;
            }

            .article-card-img {
                width: 100%;
                aspect-ratio: 16/8;
            }
        }

        @media (max-width: 768px) {
            .nav-brand-actions .nav-search {
                display: none;
            }

            .nav-brand-actions .nav-subscribe-link {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-channel-row {
                display: none;
            }

            .mobile-drawer {
                display: block;
            }

            .grid-2,
            .grid-3,
            .grid-4,
            .grid-5 {
                grid-template-columns: 1fr;
            }

            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .category-hero-badges {
                flex-direction: row;
                width: 100%;
                justify-content: flex-start;
            }

            .stat-strip {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -20px;
                padding: 16px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }

            .subscribe-form input[type="email"] {
                width: 100%;
            }

            .subscribe-form {
                width: 100%;
            }

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

        @media (max-width: 520px) {
            .stat-strip {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .article-card {
                padding: 14px;
            }

            .article-card-img {
                aspect-ratio: 16/9;
            }

            .article-card-title {
                font-size: 15px;
            }

            .filter-group {
                width: 100%;
            }

            .filter-sort {
                width: 100%;
                justify-content: space-between;
            }

            .filter-sort-btn {
                flex: 1;
                justify-content: center;
            }

            .hero-stat {
                min-width: 80px;
                padding: 10px 14px;
            }

            .hero-stat-num {
                font-size: 24px;
            }

            .category-hero {
                min-height: 220px;
                max-height: 260px;
                padding: 28px 0;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero-desc {
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0F1219;
            --accent-red: #E63946;
            --accent-green: #12C48B;
            --accent-amber: #F4B400;
            --bg: #F4F6F9;
            --card: #FFFFFF;
            --text: #1A1D26;
            --muted: #6B7280;
            --line: #E2E6EC;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 4px 16px rgba(15, 18, 25, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 18, 25, 0.12);
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', sans-serif;
            --section-pad: 88px;
            --nav-brand-h: 68px;
            --nav-channel-h: 46px;
            --transition: 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
        }

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

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

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-red);
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-dark {
            background: var(--primary);
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-red);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-family: var(--font-num);
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 0 32px 0;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

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

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

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        .btn-primary:hover {
            background: #c02735;
            border-color: #c02735;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(230, 57, 70, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.25);
        }

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

        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-light:hover {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-outline-red {
            background: transparent;
            color: var(--accent-red);
            border: 1px solid var(--accent-red);
        }

        .btn-outline-red:hover {
            background: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(15, 18, 25, 0.18);
            transition: all var(--transition);
        }

        .nav-brand-row {
            height: var(--nav-brand-h);
            display: flex;
            align-items: center;
            background: var(--primary);
            position: relative;
            z-index: 2;
        }

        .nav-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.01em;
        }

        .nav-logo:hover {
            color: #FFFFFF;
            opacity: 0.85;
        }

        .logo-mark {
            display: inline-flex;
            width: 32px;
            height: 32px;
            background: var(--accent-red);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            font-family: var(--font-num);
        }

        .nav-logo-text {
            font-weight: 700;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
            transition: background var(--transition);
        }

        .nav-search:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .search-icon {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 13px;
            width: 160px;
            outline: none;
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .nav-subscribe-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 12px;
            border-radius: 6px;
            transition: all var(--transition);
        }

        .nav-subscribe-link:hover {
            color: var(--accent-amber);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-hamburger {
            display: none;
            color: #FFFFFF;
            font-size: 20px;
            padding: 6px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-channel-row {
            height: var(--nav-channel-h);
            background: rgba(15, 18, 25, 0.96);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            transition: all var(--transition);
        }

        .nav-channel-row .container {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channel-row .container::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            height: var(--nav-channel-h);
            padding: 0 18px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            position: relative;
        }

        .nav-channel-link:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-channel-link.active {
            color: var(--accent-red);
            border-bottom-color: var(--accent-red);
            font-weight: 600;
        }

        /* Mobile drawer */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 18, 25, 0.98);
            z-index: 200;
            padding: 80px 20px 40px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 8px;
            font-size: 17px;
            font-weight: 600;
            color: #FFFFFF;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: color var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--accent-red);
        }

        .mobile-menu .mobile-close {
            position: absolute;
            top: 20px;
            right: 20px;
            color: #FFFFFF;
            font-size: 28px;
            background: rgba(255, 255, 255, 0.08);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .mobile-menu .mobile-close:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background: var(--primary);
            color: #FFFFFF;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            padding: 48px 0;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/ee0a1b50ccd047e8.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 18, 25, 0.92) 0%, rgba(15, 18, 25, 0.55) 55%, rgba(15, 18, 25, 0.3) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
        }

        .category-hero-text {
            max-width: 620px;
        }

        .category-hero-text h1 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 14px 0;
            color: #FFFFFF;
            letter-spacing: -0.01em;
        }

        .category-hero-text p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            margin: 0 0 20px 0;
            max-width: 520px;
        }

        .category-hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            color: #FFFFFF;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--accent-green);
            font-size: 10px;
        }

        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-shrink: 0;
        }

        .hero-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-card);
            padding: 20px 26px;
            min-width: 100px;
            backdrop-filter: blur(4px);
        }

        .hero-stat-value {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1.1;
            letter-spacing: 0.02em;
        }

        .hero-stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* Data snapshot bar */
        .snapshot-bar {
            background: var(--card);
            border-bottom: 1px solid var(--line);
            padding: 16px 0;
            position: relative;
            z-index: 3;
        }

        .snapshot-bar .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
        }

        .snapshot-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
        }

        .snapshot-item strong {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .snapshot-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            flex-shrink: 0;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .snapshot-dot.amber {
            background: var(--accent-amber);
        }

        .snapshot-dot.red {
            background: var(--accent-red);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 32px;
            padding: 16px 20px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-right: 4px;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-tag);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-pill:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.04);
        }

        .filter-pill.active {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
            font-weight: 600;
        }

        .filter-pill i {
            font-size: 11px;
        }

        /* Cards */
        .esports-card {
            display: flex;
            flex-direction: column;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }

        .esports-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.3);
        }

        .esports-card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E9ECF1;
            flex-shrink: 0;
        }

        .esports-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background: rgba(15, 18, 25, 0.8);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }

        .card-tag-badge.hot {
            background: var(--accent-red);
        }

        .card-tag-badge.new {
            background: var(--accent-green);
        }

        .card-live-indicator {
            position: absolute;
            top: 12px;
            right: 12px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            background: rgba(15, 18, 25, 0.75);
            color: var(--accent-green);
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            backdrop-filter: blur(4px);
        }

        .card-live-indicator i {
            font-size: 8px;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

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

        .esports-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 8px;
        }

        .esports-card-meta .date {
            font-family: var(--font-num);
            letter-spacing: 0.03em;
        }

        .esports-card-meta .league {
            color: var(--accent-red);
            font-weight: 600;
        }

        .esports-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 10px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .esports-card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 14px 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .esports-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--line);
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .card-tag {
            font-size: 11px;
            font-weight: 500;
            color: var(--muted);
            background: var(--bg);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            border: 1px solid var(--line);
        }

        .card-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-red);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .card-read-more:hover {
            color: #c02735;
            gap: 8px;
        }

        .card-read-more i {
            font-size: 11px;
        }

        /* Topic aggregation */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 12px;
        }

        .topic-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 18px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .topic-card:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .topic-card i {
            color: var(--accent-amber);
            font-size: 16px;
        }

        /* Tips section */
        .tips-panel {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            color: #FFFFFF;
            display: flex;
            align-items: flex-start;
            gap: 20px;
            box-shadow: 0 6px 24px rgba(15, 18, 25, 0.18);
        }

        .tips-panel-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--accent-red);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #FFFFFF;
        }

        .tips-panel-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: #FFFFFF;
        }

        .tips-panel-content p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }

        /* Subscribe CTA */
        .subscribe-panel {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-panel::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--accent-red);
        }

        .subscribe-panel-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .subscribe-panel-content p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-form input {
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--line);
            font-size: 14px;
            width: 240px;
            outline: none;
            transition: border var(--transition);
            background: var(--bg);
            color: var(--text);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-red);
            background: #FFFFFF;
        }

        .subscribe-form input::placeholder {
            color: var(--muted);
        }

        .subscribe-hint {
            font-size: 11px;
            color: var(--muted);
            margin-top: 6px;
        }

        /* Load more */
        .load-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 10px 0 0 0;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 14px 0;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 64px;
            }

            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .grid-5 {
                grid-template-columns: repeat(3, 1fr);
            }

            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .category-hero-stats {
                flex-wrap: wrap;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
                --nav-brand-h: 56px;
                --nav-channel-h: 48px;
            }

            .nav-search {
                display: none;
            }

            .nav-subscribe-link {
                display: none;
            }

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

            .nav-channel-row {
                display: none;
            }

            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }

            .grid-5 {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .category-hero {
                padding: 32px 0;
                min-height: auto;
            }

            .category-hero-stats {
                gap: 12px;
            }

            .hero-stat-item {
                padding: 14px 18px;
                min-width: 80px;
            }

            .hero-stat-value {
                font-size: 26px;
            }

            .snapshot-bar .container {
                gap: 14px;
            }

            .snapshot-item {
                font-size: 12px;
            }

            .snapshot-item strong {
                font-size: 18px;
            }

            .filter-bar {
                padding: 12px 14px;
                gap: 8px;
            }

            .filter-pill {
                padding: 5px 12px;
                font-size: 12px;
            }

            .esports-card-summary {
                -webkit-line-clamp: 3;
            }

            .tips-panel {
                padding: 20px 22px;
                flex-direction: column;
                gap: 14px;
            }

            .tips-panel-icon {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }

            .subscribe-panel {
                padding: 22px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form input {
                width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 40px;
            }

            .container {
                padding: 0 14px;
            }

            .grid-5 {
                grid-template-columns: 1fr 1fr;
            }

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

            .section-title {
                font-size: 24px;
            }

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

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

            .hero-badge {
                font-size: 11px;
                padding: 4px 10px;
            }

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

            .esports-card-title {
                font-size: 15px;
            }

            .esports-card-summary {
                font-size: 13px;
                -webkit-line-clamp: 3;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0F1219;
            --accent-red: #E63946;
            --accent-green: #12C48B;
            --accent-amber: #F4B400;
            --bg: #F4F6F9;
            --card: #FFFFFF;
            --text: #1A1D26;
            --muted: #6B7280;
            --line: #E2E6EC;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 4px 16px rgba(15,18,25,0.06);
            --shadow-hover: 0 8px 24px rgba(15,18,25,0.12);
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', sans-serif;
            --section-pad: 72px;
            --nav-brand-h: 68px;
            --nav-channel-h: 46px;
            --transition: 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
        }

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

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-red);
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-dark {
            background: var(--primary);
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: rgba(255,255,255,0.7);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-red);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-family: var(--font-num);
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px 0;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 0 32px 0;
        }

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

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #FFFFFF;
            border-color: var(--accent-red);
        }

        .btn-primary:hover {
            background: #c02735;
            border-color: #c02735;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(230,57,70,0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(230,57,70,0.25);
        }

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

        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-red {
            background: transparent;
            color: var(--accent-red);
            border: 1px solid var(--accent-red);
        }

        .btn-outline-red:hover {
            background: var(--accent-red);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            line-height: 1.6;
            background: #F1F3F5;
            color: var(--muted);
            white-space: nowrap;
        }

        .tag-red {
            background: rgba(230,57,70,0.1);
            color: var(--accent-red);
        }

        .tag-green {
            background: rgba(18,196,139,0.12);
            color: #0f9e6b;
        }

        .tag-amber {
            background: rgba(244,180,0,0.12);
            color: #b88300;
        }

        .card {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: 0 1px 0 var(--line);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15,18,25,0.12);
        }

        .nav-brand-row {
            height: var(--nav-brand-h);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--line);
            transition: height var(--transition), opacity var(--transition);
        }

        .site-header.scrolled .nav-brand-row {
            height: 0;
            opacity: 0;
            overflow: hidden;
            border-bottom: none;
        }

        .nav-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            line-height: 1;
        }

        .nav-logo:hover {
            color: var(--accent-red);
        }

        .logo-mark {
            display: inline-flex;
            width: 36px;
            height: 36px;
            background: var(--accent-red);
            border-radius: 9px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            font-family: var(--font-num);
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F1F3F5;
            border-radius: 999px;
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent-green);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(18,196,139,0.15);
        }

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

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 160px;
            color: var(--text);
        }

        .nav-search input::placeholder {
            color: #9CA3AF;
        }

        .nav-subscribe-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .nav-subscribe-link:hover {
            color: var(--accent-red);
            border-color: var(--accent-red);
        }

        .nav-hamburger {
            display: none;
            font-size: 22px;
            color: var(--primary);
            padding: 6px 10px;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .nav-hamburger:hover {
            background: #F1F3F5;
        }

        .nav-channel-row {
            height: var(--nav-channel-h);
            display: flex;
            align-items: center;
            transition: height var(--transition), background var(--transition);
        }

        .site-header.scrolled .nav-channel-row {
            background: var(--primary);
        }

        .nav-channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            width: 100%;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channel-row .container::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-channel-link:hover {
            color: var(--accent-red);
            background: rgba(230,57,70,0.06);
        }

        .nav-channel-link.active {
            color: #FFFFFF;
            background: var(--accent-red);
            font-weight: 600;
        }

        .site-header.scrolled .nav-channel-link {
            color: rgba(255,255,255,0.7);
        }

        .site-header.scrolled .nav-channel-link:hover {
            color: #FFFFFF;
            background: rgba(255,255,255,0.1);
        }

        .site-header.scrolled .nav-channel-link.active {
            color: #FFFFFF;
            background: var(--accent-red);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-brand-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: #FFFFFF;
            z-index: 99;
            padding: 20px;
            overflow-y: auto;
            border-top: 1px solid var(--line);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 8px;
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid var(--line);
            color: var(--text);
        }

        .mobile-drawer a.active {
            color: var(--accent-red);
        }

        .mobile-drawer a:hover {
            background: #F8F9FA;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            background: var(--primary);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,18,25,0.92) 0%, rgba(15,18,25,0.72) 45%, rgba(230,57,70,0.28) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            width: 100%;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .category-hero-left {
            flex: 1;
            max-width: 680px;
        }

        .category-hero-left h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: #FFFFFF;
            margin: 0 0 12px 0;
            line-height: 1.25;
        }

        .category-hero-left p {
            color: rgba(255,255,255,0.75);
            font-size: 16px;
            margin: 0;
            line-height: 1.8;
            max-width: 560px;
        }

        .category-hero-right {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        .hero-badge {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            text-align: center;
            min-width: 100px;
            color: #FFFFFF;
        }

        .hero-badge .num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-amber);
            line-height: 1.2;
        }

        .hero-badge .label {
            font-size: 12px;
            color: rgba(255,255,255,0.65);
            margin-top: 4px;
        }

        /* Data Snapshot */
        .data-snapshot {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .snapshot-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 12px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .snapshot-item i {
            font-size: 20px;
            color: var(--accent-red);
        }

        .snapshot-item .snap-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .snapshot-item .snap-label {
            font-size: 13px;
            color: var(--muted);
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            background: #FFFFFF;
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .filter-chip:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
        }

        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        .filter-chip i {
            font-size: 12px;
        }

        /* Article Cards */
        .article-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .article-card {
            display: flex;
            flex-direction: column;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .article-card .article-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .article-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .article-card .article-date {
            font-size: 13px;
            color: var(--muted);
            font-family: var(--font-num);
        }

        .article-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px 0;
            color: var(--text);
        }

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

        .article-card h3 a:hover {
            color: var(--accent-red);
        }

        .article-card .article-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px 0;
            flex: 1;
        }

        .article-card .article-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .article-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-red);
            border: 1px solid var(--line);
            padding: 6px 14px;
            border-radius: 8px;
            transition: all var(--transition);
        }

        .article-card .read-more:hover {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #FFFFFF;
        }

        /* Load More */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            margin-top: 32px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: #FFFFFF;
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .btn-load-more:hover {
            border-color: var(--accent-red);
            color: var(--accent-red);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .topic-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--accent-red);
        }

        .topic-card i {
            font-size: 28px;
            color: var(--accent-red);
            margin-bottom: 10px;
        }

        .topic-card h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .topic-card p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Tips */
        .tips-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border-left: 4px solid var(--accent-green);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
        }

        .tips-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tips-card h4 i {
            color: var(--accent-green);
        }

        .tips-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: rgba(230,57,70,0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 160px;
            height: 160px;
            background: rgba(18,196,139,0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta-content {
            position: relative;
            z-index: 1;
            max-width: 480px;
        }

        .subscribe-cta-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px 0;
        }

        .subscribe-cta-content p {
            color: rgba(255,255,255,0.7);
            margin: 0;
            font-size: 15px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            padding: 12px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: #FFFFFF;
            font-size: 14px;
            min-width: 240px;
            outline: none;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-green);
            background: rgba(255,255,255,0.12);
        }

        .subscribe-form .btn {
            padding: 12px 24px;
        }

        /* Breadcrumb */
        .breadcrumb {
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
            padding: 12px 0;
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb a {
            color: var(--muted);
        }

        .breadcrumb a:hover {
            color: var(--accent-red);
        }

        .breadcrumb .separator {
            color: #9CA3AF;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--accent-red);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand .nav-logo {
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            line-height: 1.8;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 16px 0;
        }

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

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

        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 13px;
            color: rgba(255,255,255,0.55);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.65);
        }

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

        .footer-bottom div {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 52px;
                --nav-brand-h: 58px;
                --nav-channel-h: 46px;
            }

            .nav-brand-actions .nav-search {
                display: none;
            }

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

            .nav-channel-row {
                display: none;
            }

            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                padding-top: 28px;
                padding-bottom: 28px;
            }

            .category-hero-right {
                display: flex;
                flex-wrap: wrap;
                gap: 10px;
            }

            .hero-badge {
                min-width: 80px;
                padding: 10px 14px;
            }

            .hero-badge .num {
                font-size: 24px;
            }

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

            .article-card .article-img {
                height: 180px;
            }

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

            .subscribe-cta {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form {
                width: 100%;
            }

            .subscribe-form input {
                flex: 1;
                min-width: 0;
                width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .breadcrumb {
                overflow-x: auto;
                white-space: nowrap;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 42px;
                --nav-brand-h: 54px;
            }

            .nav-subscribe-link span {
                display: none;
            }

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

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }

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

            .data-snapshot {
                flex-direction: column;
                align-items: stretch;
            }

            .snapshot-item {
                justify-content: space-between;
            }

            .filter-bar {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .article-card-body {
                padding: 16px 18px 18px;
            }

            .article-card .article-img {
                height: 160px;
            }
        }