/* roulang page: index */
:root {
            --bg-deep: #0B0D12;
            --bg-surface: #131A26;
            --bg-card: #161F2D;
            --bg-elevated: #1B2637;
            --border-color: #223142;
            --border-light: #2E4057;
            --primary: #19E3C9;
            --accent: #B7F400;
            --hot: #FF2D7A;
            --purple: #7C5CFC;
            --text-primary: #E8F0F7;
            --text-secondary: #C6D0DE;
            --text-muted: #93A1B6;
            --text-dark: #0B0D12;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --radius-input: 10px;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
            --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
            --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 88px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-deep);
            color: var(--text-secondary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }

        h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 800; }
        h2 { font-size: clamp(1.75rem, 3.2vw, 2.25rem); font-weight: 700; }
        h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 700; }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        a { text-decoration: none; transition: var(--transition); color: var(--primary); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; padding-left: 0; }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .container-custom { padding-left: 16px; padding-right: 16px; }
        }

        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }

        @media (max-width: 768px) {
            .section-block { padding: 56px 0; }
            :root { --section-gap: 56px; }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            margin-bottom: 0.75rem;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
        }

        /* Navigation */
        .navbar-electronic {
            background: rgba(11, 13, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 76px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .navbar-electronic .navbar-brand {
            font-family: var(--font-zh);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
        }

        .navbar-electronic .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
        }

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

        .navbar-electronic .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }

        .navbar-electronic .nav-link:hover,
        .navbar-electronic .nav-link:focus {
            color: var(--primary);
        }

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

        .navbar-electronic .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary);
        }

        .navbar-electronic .btn-nav-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-electronic .btn-nav-cta:hover,
        .navbar-electronic .btn-nav-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
            transform: translateY(-1px);
        }

        .navbar-electronic .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
        }

        .navbar-electronic .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.3);
            outline: none;
        }

        @media (max-width: 991.98px) {
            .navbar-electronic .navbar-collapse {
                background: rgba(11, 13, 18, 0.98);
                border-radius: 16px;
                padding: 16px;
                margin-top: 8px;
                border: 1px solid var(--border-color);
            }
            .navbar-electronic .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .navbar-electronic .nav-link.active::after {
                left: 16px;
                right: 16px;
                bottom: 6px;
            }
            .navbar-electronic .btn-nav-cta {
                width: 100%;
                margin-top: 12px;
                justify-content: center;
            }
        }

        /* Hero */
        .hero-electronic {
            min-height: 88vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-deep) url('/assets/images/4038cf97900b202d.webp') no-repeat center center / cover;
            padding: 120px 0 80px;
            overflow: hidden;
        }

        .hero-electronic::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 18, 0.93) 0%, rgba(11, 13, 18, 0.82) 45%, rgba(11, 13, 18, 0.65) 100%);
            z-index: 1;
        }

        .hero-electronic::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(800px circle at 70% 50%, rgba(25, 227, 201, 0.08) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-h1 {
            font-size: clamp(2.5rem, 6vw, 4.25rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            letter-spacing: -0.03em;
        }

        .hero-h1 .text-accent {
            color: var(--primary);
            text-shadow: 0 0 24px rgba(25, 227, 201, 0.5);
        }

        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .btn-primary-electronic {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-electronic:hover,
        .btn-primary-electronic:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 28px rgba(183, 244, 0, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-electronic {
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--primary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-electronic:hover,
        .btn-outline-electronic:focus {
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.3);
            transform: translateY(-2px);
        }

        .hero-check-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin-top: 0.5rem;
        }

        .hero-check-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            background: rgba(19, 26, 38, 0.75);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            backdrop-filter: blur(8px);
        }

        .hero-check-item i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        .hero-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 45, 122, 0.15);
            border: 1px solid rgba(255, 45, 122, 0.35);
            color: var(--hot);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 1.25rem;
        }

        .hero-status-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--hot);
            border-radius: 50%;
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.5); }
        }

        .hero-panel {
            position: relative;
            z-index: 2;
            background: rgba(19, 26, 38, 0.85);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
        }

        .hero-panel h3 {
            font-size: 1rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel h3 i { color: var(--primary); }

        .hero-match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.88rem;
        }

        .hero-match-item:last-child { border-bottom: none; }
        .hero-match-item .match-teams { color: var(--text-primary); font-weight: 600; }
        .hero-match-item .match-time { color: var(--text-muted); font-size: 0.8rem; }
        .hero-match-item .match-tag {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(25, 227, 201, 0.15);
            color: var(--primary);
            font-weight: 600;
        }

        /* Section theme variations */
        .bg-surface-alt {
            background: var(--bg-surface);
        }

        .bg-deep-alt {
            background: #0E1118;
        }

        /* Pain cards */
        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--hot), transparent);
            opacity: 0.7;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 45, 122, 0.4);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .pain-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .pain-card p { font-size: 0.92rem; margin-bottom: 0; color: var(--text-muted); line-height: 1.75; }

        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 45, 122, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--hot);
            margin-bottom: 1rem;
        }

        /* Solution cards - asymmetric grid */
        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
            position: relative;
        }

        .solution-card:hover {
            transform: translateY(-4px);
            border-color: rgba(25, 227, 201, 0.4);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .solution-card .solution-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(25, 227, 201, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .solution-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        .solution-card p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0; }

        /* Steps timeline */
        .steps-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: step-counter;
            position: relative;
        }

        .steps-wrapper::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 40px;
            right: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--purple), var(--hot));
            opacity: 0.4;
        }

        .step-item {
            flex: 1;
            min-width: 220px;
            padding: 0 16px;
            position: relative;
            text-align: center;
            counter-increment: step-counter;
        }

        .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--primary);
            position: relative;
            z-index: 2;
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.25);
        }

        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(25, 227, 201, 0.08);
            z-index: 0;
            font-family: var(--font-en);
        }

        .step-item h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
        .step-item p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; }

        @media (max-width: 768px) {
            .steps-wrapper::before { display: none; }
            .step-item { margin-bottom: 24px; }
        }

        /* Data stats */
        .stat-block {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-block:hover {
            border-color: rgba(183, 244, 0, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            font-family: var(--font-en);
            color: var(--accent);
            line-height: 1;
            margin-bottom: 0.5rem;
            text-shadow: 0 0 20px rgba(183, 244, 0, 0.35);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Testimonial cards */
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            font-size: 4rem;
            font-family: var(--font-en);
            color: rgba(25, 227, 201, 0.15);
            position: absolute;
            top: 8px;
            right: 20px;
            line-height: 1;
        }

        .testimonial-card:hover {
            border-color: rgba(25, 227, 201, 0.35);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }

        .testimonial-card blockquote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            padding-left: 16px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-author .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 1rem;
        }

        .testimonial-author .author-info .author-name {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.9rem;
        }

        .testimonial-author .author-info .author-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Scenario chips */
        .scenario-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: default;
        }

        .scenario-chip:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(25, 227, 201, 0.2);
        }

        .scenario-chip i { color: var(--primary); font-size: 0.95rem; }

        /* News cards */
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: var(--transition);
            margin-bottom: 16px;
        }

        .news-card:hover {
            border-color: rgba(25, 227, 201, 0.35);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
            transform: translateX(3px);
        }

        .news-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            background: rgba(25, 227, 201, 0.08);
            border: 1px solid rgba(25, 227, 201, 0.2);
            border-radius: 12px;
            padding: 8px 4px;
        }

        .news-date .day {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            display: block;
        }

        .news-date .month {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-body h3 {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            color: var(--text-primary);
        }

        .news-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }

        .btn-read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.3);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            background: transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-read-more:hover,
        .btn-read-more:focus {
            background: rgba(25, 227, 201, 0.1);
            color: var(--accent);
            border-color: rgba(183, 244, 0, 0.4);
        }

        @media (max-width: 576px) {
            .news-card { flex-direction: column; gap: 12px; }
            .news-date { width: auto; display: inline-flex; gap: 6px; align-items: center; padding: 6px 14px; }
            .news-date .day { font-size: 1rem; }
        }

        /* Data metric bar */
        .metric-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .metric-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .metric-row:last-child { margin-bottom: 0; }
        .metric-label {
            flex-shrink: 0;
            width: 90px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .metric-track {
            flex: 1;
            height: 8px;
            background: var(--bg-elevated);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .metric-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 0 12px rgba(25, 227, 201, 0.4);
        }

        .metric-value {
            flex-shrink: 0;
            width: 40px;
            text-align: right;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
            font-family: var(--font-en);
        }

        /* Brand intro */
        .brand-intro-box {
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .brand-intro-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(25, 227, 201, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }

        .brand-intro-box p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
            position: relative;
            z-index: 1;
        }

        /* Topic cards */
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: rgba(25, 227, 201, 0.4);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .topic-card .topic-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

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

        .topic-card:hover .topic-img img {
            transform: scale(1.06);
        }

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

        .topic-card .topic-body h3 {
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            color: var(--text-primary);
        }

        .topic-card .topic-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Gear ranking */
        .gear-ranking {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .gear-ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .gear-ranking-item:last-child { border-bottom: none; }
        .gear-ranking-item:hover { background: rgba(25, 227, 201, 0.04); }

        .gear-rank {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            font-family: var(--font-en);
        }

        .rank-1 { background: rgba(183, 244, 0, 0.2); color: var(--accent); border: 1px solid rgba(183, 244, 0, 0.4); }
        .rank-2 { background: rgba(25, 227, 201, 0.15); color: var(--primary); border: 1px solid rgba(25, 227, 201, 0.35); }
        .rank-3 { background: rgba(255, 45, 122, 0.12); color: var(--hot); border: 1px solid rgba(255, 45, 122, 0.3); }
        .rank-other { background: rgba(124, 92, 252, 0.12); color: var(--purple); border: 1px solid rgba(124, 92, 252, 0.3); }

        .gear-info h4 {
            font-size: 1rem;
            margin-bottom: 0.2rem;
            color: var(--text-primary);
        }

        .gear-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-surface), #0E1512);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(25, 227, 201, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 2rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-primary-electronic {
            font-size: 1.05rem;
            padding: 14px 36px;
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            border-radius: 14px;
            transition: var(--transition);
        }

        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.6;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(25, 227, 201, 0.08);
            color: var(--primary);
            box-shadow: none;
            border-left: 3px solid var(--primary);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.25);
            border-color: var(--primary);
        }

        .faq-accordion .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.85;
            padding: 16px 24px 20px;
        }

        /* Footer */
        .footer-electronic {
            background: #080A0E;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }

        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 0.9rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.7;
        }

        .footer h5 {
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 1rem;
            font-weight: 600;
        }

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

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
        }

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

        /* Responsive adjustments */
        @media (max-width: 991.98px) {
            .hero-electronic { min-height: auto; padding: 100px 0 60px; }
            .hero-panel { margin-top: 32px; }
        }

        @media (max-width: 576px) {
            .hero-actions { flex-direction: column; }
            .hero-actions .btn-primary-electronic,
            .hero-actions .btn-outline-electronic {
                width: 100%;
                justify-content: center;
            }
            .section-block { padding: 40px 0; }
            .cta-section { padding: 36px 20px; }
            .brand-intro-box { padding: 28px 20px; }
            .stat-number { font-size: 2rem; }
            .topic-card .topic-img { height: 120px; }
            .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
        }

        @media (min-width: 768px) {
            .solution-grid .col-lg-7 { padding-right: 8px; }
            .solution-grid .col-lg-5 { padding-left: 8px; }
            .solution-grid .col-lg-7 .solution-card { min-height: 180px; }
            .solution-grid .col-lg-5 .solution-card { min-height: 180px; }
        }

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

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.3);
        }

        /* Smooth scroll for anchor links */
        .text-accent-glow {
            text-shadow: 0 0 20px rgba(25, 227, 201, 0.4);
        }

/* roulang page: category3 */
:root {
  --bg-deep: #0B0D12;
  --bg-surface: #131A26;
  --bg-card: #161F2D;
  --bg-elevated: #1B2637;
  --border-color: #223142;
  --border-light: #2E4057;
  --primary: #19E3C9;
  --accent: #B7F400;
  --hot: #FF2D7A;
  --purple: #7C5CFC;
  --text-primary: #E8F0F7;
  --text-secondary: #C6D0DE;
  --text-muted: #93A1B6;
  --text-dark: #0B0D12;
  --radius-card: 18px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --radius-input: 10px;
  --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
  --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
  --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
  --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --section-gap: 88px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font-zh);
  font-size: 16px;
  line-height: 1.8;
  background-color: var(--bg-deep);
  color: var(--text-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

.container-custom {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-block {
  padding: var(--section-gap) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(25, 227, 201, 0.1);
  border: 1px solid rgba(25, 227, 201, 0.25);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.25rem);
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.85;
}

/* Navigation */
.navbar-electronic {
  background: rgba(11, 13, 18, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
  min-height: 76px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.navbar-electronic .navbar-brand {
  font-family: var(--font-zh);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
}

.navbar-electronic .navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-weight: 800;
  font-size: 1.1rem;
}

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

.navbar-electronic .nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  position: relative;
  transition: var(--transition);
}

.navbar-electronic .nav-link:hover,
.navbar-electronic .nav-link:focus {
  color: var(--primary);
}

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

.navbar-electronic .nav-link.active::after {
  content: '';
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 12px var(--primary);
}

.navbar-electronic .btn-nav-cta {
  background: var(--accent);
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.navbar-electronic .btn-nav-cta:hover,
.navbar-electronic .btn-nav-cta:focus {
  background: #c8ff1a;
  color: var(--text-dark);
  box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
  transform: translateY(-1px);
}

.navbar-electronic .navbar-toggler {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 1.4rem;
  padding: 6px 12px;
  border-radius: 8px;
}

.navbar-electronic .navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.3);
}

/* Page Header (compact category header) */
.page-header {
  padding: 120px 0 48px;
  background: linear-gradient(180deg, rgba(19, 26, 38, 0.85) 0%, var(--bg-deep) 100%);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}

.page-header .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-header .breadcrumb-item a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.page-header .breadcrumb-item a:hover {
  color: var(--primary);
}

.page-header .breadcrumb-item.active {
  color: var(--primary);
  font-size: 0.85rem;
}

.page-header .page-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-header .page-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.85;
}

/* Cards */
.hardware-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}

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

.hardware-card .card-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

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

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

.hardware-card .card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--hot);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.hardware-card .card-body {
  padding: 1.25rem;
}

.hardware-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hardware-card .card-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.hardware-card .card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hardware-card .card-meta i {
  color: var(--primary);
  margin-right: 4px;
}

/* Ranking List */
.rank-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.rank-list-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.rank-list-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}

.rank-list-item .rank-number {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  min-width: 40px;
  text-align: center;
}

.rank-list-item .rank-number.top-1 {
  color: var(--accent);
  text-shadow: 0 0 16px rgba(183, 244, 0, 0.5);
}

.rank-list-item .rank-info {
  flex: 1;
}

.rank-list-item .rank-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.rank-list-item .rank-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.rank-list-item .rank-price {
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--accent);
  font-size: 1.1rem;
}

/* Review Card */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
  box-shadow: 0 0 24px rgba(124, 92, 252, 0.25), var(--shadow-card);
}

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

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

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

.review-card .review-body {
  padding: 1.25rem;
}

.review-card .review-tag {
  display: inline-block;
  background: rgba(124, 92, 252, 0.15);
  color: var(--purple);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(124, 92, 252, 0.3);
}

.review-card .review-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.review-card .review-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Config Table Style */
.config-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: var(--transition);
  height: 100%;
}

.config-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent-glow);
  transform: translateY(-4px);
}

.config-card .config-budget {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.config-card .config-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.config-card .config-items {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.config-card .config-items li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--border-color);
  display: flex;
  justify-content: space-between;
}

.config-card .config-items li:last-child {
  border-bottom: none;
}

.config-card .config-items li span:first-child {
  color: var(--text-muted);
}

.config-card .config-items li span:last-child {
  color: var(--text-primary);
  font-weight: 600;
}

/* Avoid Pitfall */
.pitfall-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pitfall-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.pitfall-item:hover {
  border-color: var(--hot);
  box-shadow: 0 0 20px rgba(255, 45, 122, 0.15);
}

.pitfall-item .pitfall-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 45, 122, 0.12);
  color: var(--hot);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.pitfall-item .pitfall-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.pitfall-item .pitfall-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, rgba(25, 227, 201, 0.08) 0%, rgba(183, 244, 0, 0.06) 50%, rgba(124, 92, 252, 0.08) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 3rem 2rem;
  text-align: center;
}

.cta-section .cta-title {
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.cta-section .cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

/* Buttons */
.btn-primary-custom {
  background: var(--primary);
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: none;
  transition: var(--transition);
}

.btn-primary-custom:hover,
.btn-primary-custom:focus {
  background: #3df5dd;
  color: var(--text-dark);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-accent-custom {
  background: var(--accent);
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: none;
  transition: var(--transition);
}

.btn-accent-custom:hover,
.btn-accent-custom:focus {
  background: #c8ff1a;
  color: var(--text-dark);
  box-shadow: var(--shadow-accent-glow);
  transform: translateY(-2px);
}

.btn-outline-custom {
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 11px 26px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--primary);
  transition: var(--transition);
}

.btn-outline-custom:hover,
.btn-outline-custom:focus {
  background: rgba(25, 227, 201, 0.1);
  color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.btn-sm-custom {
  font-size: 0.78rem;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
}

.btn-link-custom {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-link-custom:hover {
  color: var(--accent);
  gap: 10px;
}

/* Footer */
.footer-electronic {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 56px 0 24px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 320px;
}

.footer-electronic h5 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: 0.03em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

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

/* Badge styles */
.badge-cyan {
  background: rgba(25, 227, 201, 0.12);
  color: var(--primary);
  border: 1px solid rgba(25, 227, 201, 0.28);
  font-weight: 600;
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.badge-accent {
  background: rgba(183, 244, 0, 0.12);
  color: var(--accent);
  border: 1px solid rgba(183, 244, 0, 0.28);
  font-weight: 600;
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.badge-hot {
  background: rgba(255, 45, 122, 0.12);
  color: var(--hot);
  border: 1px solid rgba(255, 45, 122, 0.28);
  font-weight: 600;
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.badge-purple {
  background: rgba(124, 92, 252, 0.12);
  color: var(--purple);
  border: 1px solid rgba(124, 92, 252, 0.28);
  font-weight: 600;
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* Divider */
.section-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 0;
}

/* Responsive */
@media (max-width: 991.98px) {
  .navbar-electronic .navbar-collapse {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 0.5rem;
  }
  .navbar-electronic .nav-link {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }
  .navbar-electronic .nav-link.active::after {
    left: 1rem;
    right: 1rem;
  }
}

@media (max-width: 767.98px) {
  .section-block {
    padding: 48px 0;
  }
  .container-custom {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-header {
    padding: 96px 0 32px;
  }
  .page-header .page-title {
    font-size: 1.6rem;
  }
  .cta-section {
    padding: 2rem 1.25rem;
  }
  .rank-list-item {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .rank-list-item .rank-price {
    width: 100%;
    text-align: right;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}

@media (max-width: 575.98px) {
  .section-title {
    font-size: 1.4rem;
  }
  .section-desc {
    font-size: 0.95rem;
  }
  .hardware-card .card-title {
    font-size: 1rem;
  }
  .config-card .config-budget {
    font-size: 1.3rem;
  }
  .pitfall-item {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* roulang page: category2 */
:root {
            --bg-deep: #0B0D12;
            --bg-surface: #131A26;
            --bg-card: #161F2D;
            --bg-elevated: #1B2637;
            --border-color: #223142;
            --border-light: #2E4057;
            --primary: #19E3C9;
            --accent: #B7F400;
            --hot: #FF2D7A;
            --purple: #7C5CFC;
            --text-primary: #E8F0F7;
            --text-secondary: #C6D0DE;
            --text-muted: #93A1B6;
            --text-dark: #0B0D12;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --radius-input: 10px;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
            --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
            --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 88px;
        }
        :root {
            --section-gap: 56px;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }
        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-deep);
            color: var(--text-secondary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 76px;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
            color: var(--primary);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 1rem;
        }
        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
        }

        /* Navigation */
        .navbar-electronic {
            background: rgba(11, 13, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 76px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
        .navbar-electronic .navbar-brand {
            font-family: var(--font-zh);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
        }
        .navbar-electronic .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .navbar-electronic .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-electronic .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }
        .navbar-electronic .nav-link:hover,
        .navbar-electronic .nav-link:focus {
            color: var(--primary);
        }
        .navbar-electronic .nav-link.active {
            color: var(--primary);
        }
        .navbar-electronic .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary);
        }
        .navbar-electronic .btn-nav-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-electronic .btn-nav-cta:hover,
        .navbar-electronic .btn-nav-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
            transform: translateY(-1px);
        }
        .navbar-electronic .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
        }
        .navbar-electronic .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.35);
        }

        /* Breadcrumb */
        .breadcrumb-electronic {
            background: transparent;
            padding: 0;
            margin-bottom: 1.5rem;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-electronic .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-electronic .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-electronic .breadcrumb-item.active {
            color: var(--primary);
        }
        .breadcrumb-electronic .breadcrumb-item+.breadcrumb-item::before {
            content: '/';
            color: var(--text-muted);
            padding-right: 8px;
        }

        /* Category Header Compact */
        .category-header {
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            background: linear-gradient(180deg, rgba(19, 26, 38, 0.8) 0%, rgba(11, 13, 18, 0) 100%);
        }
        .category-header .page-title {
            font-size: clamp(1.9rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 0.75rem;
        }
        .category-header .page-subtitle {
            font-size: 1.08rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
        }
        .category-header .header-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 1.25rem;
        }
        .badge-game {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.25);
        }
        .badge-game.hot {
            background: rgba(255, 45, 122, 0.1);
            color: var(--hot);
            border-color: rgba(255, 45, 122, 0.3);
        }
        .badge-game.accent {
            background: rgba(183, 244, 0, 0.08);
            color: var(--accent);
            border-color: rgba(183, 244, 0, 0.25);
        }
        .badge-game.purple {
            background: rgba(124, 92, 252, 0.1);
            color: var(--purple);
            border-color: rgba(124, 92, 252, 0.3);
        }

        /* Cards */
        .card-guide {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .card-guide:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
        }
        .card-guide .card-img-top {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
            background: var(--bg-elevated);
        }
        .card-guide .card-body {
            padding: 1.35rem 1.5rem 1.5rem;
        }
        .card-guide .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.45;
        }
        .card-guide .card-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 1.1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }
        .tag-pill {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            background: rgba(25, 227, 201, 0.08);
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.2);
        }
        .tag-pill.fps {
            background: rgba(124, 92, 252, 0.1);
            color: var(--purple);
            border-color: rgba(124, 92, 252, 0.3);
        }
        .tag-pill.br {
            background: rgba(183, 244, 0, 0.08);
            color: var(--accent);
            border-color: rgba(183, 244, 0, 0.25);
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.35);
            border-radius: var(--radius-btn);
            padding: 7px 16px;
            background: transparent;
            transition: var(--transition);
        }
        .btn-read-more:hover,
        .btn-read-more:focus {
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 18px rgba(25, 227, 201, 0.2);
        }

        /* Section-specific */
        .build-card {
            background: linear-gradient(145deg, var(--bg-card), var(--bg-elevated));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.75rem;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .build-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            border-radius: 4px 0 0 4px;
        }
        .build-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .build-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }
        .build-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .build-card .build-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(183, 244, 0, 0.1);
            color: var(--accent);
            margin-bottom: 0.8rem;
        }
        .tip-item {
            display: flex;
            gap: 1rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .tip-item:last-child {
            border-bottom: none;
        }
        .tip-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.3);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .tip-content h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }
        .tip-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .equip-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .equip-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .equip-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 14px rgba(25, 227, 201, 0.15);
        }
        .topic-entry {
            display: flex;
            gap: 1.25rem;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            height: 100%;
            transition: var(--transition);
        }
        .topic-entry:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .topic-entry img {
            width: 64px;
            height: 64px;
            border-radius: 14px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .topic-entry h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }
        .topic-entry p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }
        .subscribe-box {
            background: linear-gradient(135deg, rgba(25, 227, 201, 0.06), rgba(124, 92, 252, 0.08));
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            text-align: center;
        }
        .subscribe-box h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        .subscribe-box p {
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 1.5rem;
            line-height: 1.75;
        }
        .btn-primary-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-cta:hover,
        .btn-primary-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 28px rgba(183, 244, 0, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-cta {
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 11px 26px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--primary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-cta:hover,
        .btn-outline-cta:focus {
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.25);
            transform: translateY(-2px);
        }

        /* Footer */
        .footer-electronic {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
            margin-top: 40px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }
        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-electronic h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-electronic .navbar-collapse {
                background: rgba(11, 13, 18, 0.98);
                padding: 1rem 1.5rem 1.5rem;
                border-radius: 0 0 16px 16px;
                border: 1px solid var(--border-color);
                border-top: none;
                margin-top: 0;
            }
            .navbar-electronic .navbar-nav {
                gap: 4px;
            }
            .navbar-electronic .nav-link {
                padding: 10px 14px;
            }
            .navbar-electronic .btn-nav-cta {
                display: none;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            .navbar-electronic {
                min-height: 64px;
            }
            .navbar-electronic .navbar-brand {
                font-size: 1.2rem;
            }
            .category-header {
                padding: 36px 0 30px;
            }
            .category-header .page-title {
                font-size: 1.7rem;
            }
            .card-guide .card-body {
                padding: 1.1rem 1.2rem 1.2rem;
            }
            .subscribe-box {
                padding: 2rem 1.25rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 576px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .btn-primary-cta,
            .btn-outline-cta {
                width: 100%;
                justify-content: center;
            }
            .topic-entry {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
            .topic-entry img {
                width: 56px;
                height: 56px;
            }
            .tip-item {
                gap: 0.75rem;
            }
            .tip-num {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0B0D12;
            --bg-surface: #131A26;
            --bg-card: #161F2D;
            --bg-elevated: #1B2637;
            --border-color: #223142;
            --border-light: #2E4057;
            --primary: #19E3C9;
            --accent: #B7F400;
            --hot: #FF2D7A;
            --purple: #7C5CFC;
            --text-primary: #E8F0F7;
            --text-secondary: #C6D0DE;
            --text-muted: #93A1B6;
            --text-dark: #0B0D12;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --radius-input: 10px;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
            --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
            --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 88px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-deep);
            color: var(--text-secondary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a { text-decoration: none; transition: var(--transition); color: var(--primary); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 1rem;
        }

        .section-title {
            font-family: var(--font-zh);
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            color: var(--text-primary);
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* Navigation */
        .navbar-electronic {
            background: rgba(11, 13, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 76px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .navbar-electronic .navbar-brand {
            font-family: var(--font-zh);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
        }

        .navbar-electronic .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
        }

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

        .navbar-electronic .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }

        .navbar-electronic .nav-link:hover,
        .navbar-electronic .nav-link:focus {
            color: var(--primary);
        }

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

        .navbar-electronic .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary);
        }

        .navbar-electronic .btn-nav-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-electronic .btn-nav-cta:hover,
        .navbar-electronic .btn-nav-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
            transform: translateY(-1px);
        }

        .navbar-electronic .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
        }

        .navbar-electronic .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.3);
        }

        /* Page Head Compact */
        .page-head-compact {
            background: linear-gradient(135deg, rgba(11, 13, 18, 0.97) 0%, rgba(19, 26, 38, 0.95) 55%, rgba(27, 38, 55, 0.88) 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .page-head-compact::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(25, 227, 201, 0.12), transparent 65%);
            pointer-events: none;
        }

        .page-head-compact::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: 10%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(183, 244, 0, 0.06), transparent 65%);
            pointer-events: none;
        }

        .breadcrumb-electronic {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-electronic a {
            color: var(--text-secondary);
        }

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

        .breadcrumb-electronic .separator {
            color: var(--border-light);
        }

        .breadcrumb-electronic .current {
            color: var(--primary);
            font-weight: 600;
        }

        .page-head-compact h1 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
            letter-spacing: 0.01em;
        }

        .page-head-compact .head-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            position: relative;
            z-index: 1;
        }

        /* Match Report Cards */
        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .match-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background-color: var(--bg-elevated);
        }

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

        .match-card-date {
            font-family: var(--font-en);
            font-size: 0.88rem;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .match-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .match-card-summary {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 16px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid rgba(25, 227, 201, 0.35);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            transition: var(--transition);
            align-self: flex-start;
        }

        .btn-read-more:hover {
            background: rgba(25, 227, 201, 0.12);
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 16px rgba(25, 227, 201, 0.2);
        }

        /* Featured Match */
        .featured-match-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
        }

        .featured-match-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .featured-match-content {
            position: relative;
            z-index: 1;
            padding: 36px;
        }

        .featured-tag {
            display: inline-block;
            background: rgba(255, 45, 122, 0.15);
            color: var(--hot);
            border: 1px solid rgba(255, 45, 122, 0.4);
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 14px;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }

        .featured-match-title {
            font-size: clamp(1.4rem, 2.6vw, 1.9rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .featured-match-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 680px;
            margin-bottom: 20px;
        }

        .featured-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
        }

        .featured-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .featured-stat-value {
            font-family: var(--font-en);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .featured-stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* Schedule Cards */
        .schedule-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

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

        .schedule-date {
            font-family: var(--font-en);
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
            min-width: 72px;
        }

        .schedule-teams {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .schedule-teams .vs {
            color: var(--hot);
            font-weight: 800;
            font-size: 0.85rem;
        }

        .schedule-event {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: right;
            min-width: 80px;
        }

        /* Data Bars */
        .data-bar-group {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .data-bar-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: var(--transition);
        }

        .data-bar-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .data-bar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .data-bar-name {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .data-bar-value {
            font-family: var(--font-en);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
        }

        .data-bar-track {
            width: 100%;
            height: 8px;
            background: var(--bg-elevated);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .data-bar-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: linear-gradient(90deg, var(--primary), var(--purple));
            transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .data-bar-fill.accent {
            background: linear-gradient(90deg, var(--accent), var(--primary));
        }

        .data-bar-fill.hot {
            background: linear-gradient(90deg, var(--hot), var(--purple));
        }

        .data-bar-fill.purple {
            background: linear-gradient(90deg, var(--purple), var(--primary));
        }

        /* Team / Player Cards */
        .player-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }

        .player-card:hover {
            transform: translateY(-4px);
            border-color: var(--purple);
            box-shadow: var(--shadow-card), 0 0 24px rgba(124, 92, 252, 0.2);
        }

        .player-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background-color: var(--bg-elevated);
        }

        .player-card-body {
            padding: 18px 22px 22px;
        }

        .player-card-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .player-card-role {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .player-card-stat {
            display: flex;
            gap: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(25, 227, 201, 0.08), rgba(124, 92, 252, 0.06));
            pointer-events: none;
        }

        .subscribe-cta .cta-content {
            position: relative;
            z-index: 1;
        }

        .subscribe-cta .section-title {
            font-size: clamp(1.5rem, 2.8vw, 1.9rem);
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            margin-top: 24px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-input);
            padding: 12px 18px;
            color: var(--text-primary);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

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

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.2);
        }

        .btn-primary-electronic {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.92rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-electronic:hover {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 28px rgba(183, 244, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-electronic {
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--primary);
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-electronic:hover {
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.25);
        }

        /* Footer */
        .footer-electronic {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .footer-electronic .footer-brand {
            font-family: var(--font-zh);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-electronic .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 0.95rem;
        }

        .footer-electronic .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-electronic h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .footer-electronic .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-electronic .footer-links a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-electronic .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-electronic .footer-bottom a {
            color: var(--text-muted);
        }

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

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-electronic .navbar-collapse {
                background: var(--bg-surface);
                border: 1px solid var(--border-color);
                border-radius: 12px;
                padding: 16px;
                margin-top: 12px;
            }
            .navbar-electronic .nav-link {
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .navbar-electronic .nav-link.active::after {
                display: none;
            }
            .navbar-electronic .nav-link.active {
                background: rgba(25, 227, 201, 0.1);
                border-radius: 8px;
            }
            .featured-match-content {
                padding: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding: 48px 0;
            }
            .page-head-compact {
                padding: 32px 0 28px;
            }
            .match-card-img {
                height: 160px;
            }
            .schedule-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .schedule-event {
                text-align: left;
            }
            .featured-match-content {
                padding: 20px;
            }
            .subscribe-cta {
                padding: 32px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-electronic .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
            }
            .match-card-body {
                padding: 16px 18px 20px;
            }
            .match-card-title {
                font-size: 1.05rem;
            }
            .page-head-compact h1 {
                font-size: 1.7rem;
            }
            .featured-stats {
                gap: 12px 20px;
            }
            .featured-stat-value {
                font-size: 1.3rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-deep: #0B0D12;
            --bg-surface: #131A26;
            --bg-card: #161F2D;
            --bg-elevated: #1B2637;
            --border-color: #223142;
            --border-light: #2E4057;
            --primary: #19E3C9;
            --accent: #B7F400;
            --hot: #FF2D7A;
            --purple: #7C5CFC;
            --text-primary: #E8F0F7;
            --text-secondary: #C6D0DE;
            --text-muted: #93A1B6;
            --text-dark: #0B0D12;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --radius-input: 10px;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
            --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
            --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 88px;
        }
        :root {
            --section-gap: 56px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }
        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-deep);
            color: var(--text-secondary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
            color: var(--primary);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-custom {
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-block {
            padding: 56px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 1rem;
        }
        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            font-weight: 700;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
        }

        /* Navigation */
        .navbar-electronic {
            background: rgba(11, 13, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 76px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            z-index: 1030;
        }
        .navbar-electronic .navbar-brand {
            font-family: var(--font-zh);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
        }
        .navbar-electronic .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .navbar-electronic .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-electronic .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }
        .navbar-electronic .nav-link:hover,
        .navbar-electronic .nav-link:focus {
            color: var(--primary);
        }
        .navbar-electronic .nav-link.active {
            color: var(--primary);
        }
        .navbar-electronic .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary);
        }
        .navbar-electronic .btn-nav-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-electronic .btn-nav-cta:hover,
        .navbar-electronic .btn-nav-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
            transform: translateY(-1px);
        }
        .navbar-electronic .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
        }
        .navbar-electronic .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.35);
        }

        /* Page Header (compact category header) */
        .page-header-category {
            padding-top: 132px;
            padding-bottom: 40px;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(25, 227, 201, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 80%, rgba(124, 92, 252, 0.07) 0%, transparent 55%),
                var(--bg-deep);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .page-header-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--purple), transparent);
            opacity: 0.6;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            color: var(--border-light);
            font-size: 0.75rem;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }
        .page-header-category h1 {
            font-size: clamp(2rem, 4vw, 2.85rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .page-header-category .page-header-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Cards & Components */
        .card-electronic {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-electronic:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateY(-4px);
        }
        .card-electronic .card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .card-electronic .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-electronic:hover .card-image img {
            transform: scale(1.05);
        }
        .card-electronic .card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 13, 18, 0.85) 100%);
            pointer-events: none;
        }
        .card-electronic .card-body {
            padding: 20px 22px 22px;
        }
        .card-electronic .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-electronic .card-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .badge-electronic {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }
        .badge-primary {
            background: rgba(25, 227, 201, 0.12);
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.3);
        }
        .badge-accent {
            background: rgba(183, 244, 0, 0.12);
            color: var(--accent);
            border: 1px solid rgba(183, 244, 0, 0.3);
        }
        .badge-hot {
            background: rgba(255, 45, 122, 0.12);
            color: var(--hot);
            border: 1px solid rgba(255, 45, 122, 0.3);
        }
        .badge-purple {
            background: rgba(124, 92, 252, 0.12);
            color: var(--purple);
            border: 1px solid rgba(124, 92, 252, 0.3);
        }

        .btn-electronic {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .btn-electronic:focus-visible {
            outline: 3px solid rgba(25, 227, 201, 0.5);
            outline-offset: 2px;
        }
        .btn-electronic-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
        }
        .btn-electronic-primary:hover,
        .btn-electronic-primary:focus {
            background: #c8ff1a;
            border-color: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 28px rgba(183, 244, 0, 0.45);
            transform: translateY(-2px);
        }
        .btn-electronic-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-electronic-outline:hover,
        .btn-electronic-outline:focus {
            background: rgba(25, 227, 201, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.25);
            transform: translateY(-2px);
        }
        .btn-electronic-sm {
            padding: 7px 16px;
            font-size: 0.78rem;
            border-radius: var(--radius-pill);
        }

        /* Academy specific styles */
        .course-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .course-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .course-meta i {
            color: var(--primary);
            font-size: 0.7rem;
        }
        .method-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 28px 22px;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .method-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--purple));
            opacity: 0;
            transition: var(--transition);
        }
        .method-card:hover::before {
            opacity: 1;
        }
        .method-card:hover {
            border-color: var(--border-light);
            background: var(--bg-elevated);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
        }
        .method-card .method-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: var(--text-dark);
        }
        .method-card .method-icon.cyan {
            background: var(--primary);
        }
        .method-card .method-icon.accent {
            background: var(--accent);
        }
        .method-card .method-icon.hot {
            background: var(--hot);
        }
        .method-card .method-icon.purple {
            background: var(--purple);
        }
        .method-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .method-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .rank-path {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }
        .rank-path::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 20px;
            bottom: 20px;
            width: 2px;
            background: linear-gradient(180deg, var(--border-light), var(--primary), var(--border-light));
        }
        .rank-step {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            position: relative;
        }
        .rank-step .rank-dot {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            color: var(--primary);
            flex-shrink: 0;
            z-index: 1;
            transition: var(--transition);
        }
        .rank-step:hover .rank-dot {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.3);
            background: rgba(25, 227, 201, 0.1);
        }
        .rank-step .rank-content {
            flex: 1;
            padding-top: 2px;
        }
        .rank-step .rank-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .rank-step .rank-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .trainer-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 22px;
            display: flex;
            gap: 16px;
            align-items: center;
            transition: var(--transition);
            height: 100%;
        }
        .trainer-card:hover {
            border-color: var(--border-light);
            background: var(--bg-elevated);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .trainer-card .trainer-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bg-elevated), var(--border-color));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
            border: 2px solid var(--border-light);
        }
        .trainer-card .trainer-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .trainer-card .trainer-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .task-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .task-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .task-list li:last-child {
            border-bottom: none;
        }
        .task-list li .task-check {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 3px;
        }
        .task-list li h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .task-list li p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .cta-section-academy {
            background:
                linear-gradient(135deg, rgba(25, 227, 201, 0.1) 0%, rgba(124, 92, 252, 0.08) 50%, rgba(183, 244, 0, 0.06) 100%),
                var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-academy::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 50% 50%, rgba(25, 227, 201, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section-academy h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-section-academy p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* Footer */
        .footer-electronic {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
            margin-top: 28px;
        }
        .footer-electronic .footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-electronic .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1rem;
        }
        .footer-electronic .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-electronic h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .footer-electronic .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-electronic .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-electronic .footer-links a:hover {
            color: var(--primary);
            transform: translateX(3px);
        }
        .footer-electronic .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-electronic .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-electronic .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .navbar-electronic {
                padding: 8px 0;
            }
            .navbar-electronic .navbar-collapse {
                padding: 16px 0;
                background: rgba(11, 13, 18, 0.97);
                border-radius: 12px;
                margin-top: 8px;
            }
            .navbar-electronic .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .navbar-electronic .btn-nav-cta {
                display: none;
            }
            .page-header-category {
                padding-top: 112px;
                padding-bottom: 32px;
            }
            .section-block {
                padding: 44px 0;
            }
            .cta-section-academy {
                padding: 36px 22px;
            }
        }
        @media (max-width: 768px) {
            .page-header-category h1 {
                font-size: 1.7rem;
            }
            .card-electronic .card-body {
                padding: 16px 16px 18px;
            }
            .rank-path::before {
                left: 20px;
            }
            .rank-step .rank-dot {
                width: 40px;
                height: 40px;
                font-size: 0.85rem;
            }
            .trainer-card {
                flex-direction: column;
                text-align: center;
            }
            .footer-electronic .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .page-header-category h1 {
                font-size: 1.45rem;
            }
            .btn-electronic {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .btn-electronic-sm {
                width: auto;
            }
            .course-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rank-step {
                gap: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0B0D12;
            --bg-surface: #131A26;
            --bg-card: #161F2D;
            --bg-elevated: #1B2637;
            --border-color: #223142;
            --border-light: #2E4057;
            --primary: #19E3C9;
            --accent: #B7F400;
            --hot: #FF2D7A;
            --purple: #7C5CFC;
            --text-primary: #E8F0F7;
            --text-secondary: #C6D0DE;
            --text-muted: #93A1B6;
            --text-dark: #0B0D12;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --radius-input: 10px;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
            --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
            --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 72px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-deep);
            color: var(--text-secondary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            transition: var(--transition);
            color: var(--primary);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            font-weight: 800;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
        }

        /* Navigation */
        .navbar-electronic {
            background: rgba(11, 13, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 76px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            z-index: 1030;
        }

        .navbar-electronic .navbar-brand {
            font-family: var(--font-zh);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
            white-space: nowrap;
        }

        .navbar-electronic .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .navbar-electronic .navbar-brand:hover,
        .navbar-electronic .navbar-brand:focus {
            color: var(--primary);
        }

        .navbar-electronic .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-electronic .nav-link:hover,
        .navbar-electronic .nav-link:focus {
            color: var(--primary);
        }

        .navbar-electronic .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

        .navbar-electronic .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary);
        }

        .navbar-electronic .btn-nav-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-electronic .btn-nav-cta:hover,
        .navbar-electronic .btn-nav-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
            transform: translateY(-1px);
        }

        .navbar-electronic .btn-nav-cta:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

        .navbar-electronic .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .navbar-electronic .navbar-toggler:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .navbar-electronic .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.4);
        }

        /* Page Header (Breadcrumb + compact H1) */
        .page-header {
            padding: 120px 0 48px;
            background: linear-gradient(180deg, rgba(19, 26, 38, 0.9) 0%, rgba(11, 13, 18, 0.95) 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(25, 227, 201, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .breadcrumb-electronic {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-electronic a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .breadcrumb-electronic .separator {
            color: var(--border-light);
            font-size: 0.7rem;
        }

        .breadcrumb-electronic .current {
            color: var(--primary);
            font-weight: 600;
        }

        .page-header h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            position: relative;
            z-index: 1;
            margin-bottom: 0.75rem;
        }

        .page-header .header-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            position: relative;
            z-index: 1;
        }

        /* Buttons */
        .btn-electronic-primary {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-electronic-primary:hover,
        .btn-electronic-primary:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: var(--shadow-accent-glow);
            transform: translateY(-2px);
        }

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

        .btn-electronic-outline {
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--primary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-electronic-outline:hover,
        .btn-electronic-outline:focus {
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

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

        .btn-read-more {
            background: transparent;
            color: var(--primary);
            font-weight: 500;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-read-more:hover,
        .btn-read-more:focus {
            background: rgba(25, 227, 201, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

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

        /* Cards */
        .card-electronic {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .card-electronic:hover {
            transform: translateY(-3px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .card-electronic:focus-within {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
        }

        /* Badges & Tags */
        .badge-electronic {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .badge-primary {
            background: rgba(25, 227, 201, 0.12);
            color: var(--primary);
            border-color: rgba(25, 227, 201, 0.3);
        }

        .badge-accent {
            background: rgba(183, 244, 0, 0.12);
            color: var(--accent);
            border-color: rgba(183, 244, 0, 0.3);
        }

        .badge-hot {
            background: rgba(255, 45, 122, 0.12);
            color: var(--hot);
            border-color: rgba(255, 45, 122, 0.3);
        }

        .badge-purple {
            background: rgba(124, 92, 252, 0.12);
            color: var(--purple);
            border-color: rgba(124, 92, 252, 0.3);
        }

        /* Team Cards */
        .team-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }

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

        .team-card .team-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

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

        .team-card .team-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 13, 18, 0.7));
        }

        .team-card .team-body {
            padding: 20px 22px 22px;
        }

        .team-card .team-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .team-card .team-game {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }

        .team-card .team-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0.8rem;
        }

        /* Interview Cards */
        .interview-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .interview-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .interview-card .interview-top {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .interview-card .interview-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            border: 2px solid var(--primary);
        }

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

        .interview-card .interview-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .interview-card .interview-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .interview-card .interview-quote {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-style: italic;
            border-left: 3px solid var(--primary);
            padding-left: 14px;
            margin: 0;
        }

        /* Data Panel */
        .data-panel {
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }

        .data-panel:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
        }

        .data-panel .data-number {
            font-family: var(--font-en);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .data-panel .data-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        /* Transfer / Recruitment Cards */
        .transfer-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .transfer-card:hover {
            border-color: var(--hot);
            box-shadow: 0 0 24px rgba(255, 45, 122, 0.2);
            transform: translateY(-2px);
        }

        .transfer-card .transfer-tag {
            align-self: flex-start;
        }

        .transfer-card .transfer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .transfer-card .transfer-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            flex-grow: 1;
        }

        .transfer-card .transfer-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Fan Interaction */
        .fan-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }

        .fan-card:hover {
            transform: translateY(-3px);
            border-color: var(--purple);
            box-shadow: 0 0 24px rgba(124, 92, 252, 0.25);
        }

        .fan-card .fan-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            background: rgba(124, 92, 252, 0.12);
            color: var(--purple);
            border: 1px solid rgba(124, 92, 252, 0.3);
        }

        .fan-card .fan-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .fan-card .fan-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(25, 227, 201, 0.08), rgba(124, 92, 252, 0.08));
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(183, 244, 0, 0.06) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.75rem;
            line-height: 1.85;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .footer-electronic {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
            margin-top: 40px;
        }

        .footer-electronic .footer-brand {
            font-family: var(--font-zh);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 0.8rem;
        }

        .footer-electronic .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1rem;
        }

        .footer-electronic .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-electronic h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

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

        .footer-electronic .footer-links a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }

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

        .footer-electronic .footer-links a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .footer-electronic .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-electronic .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-electronic .navbar-collapse {
                background: rgba(11, 13, 18, 0.98);
                border-radius: 0 0 16px 16px;
                padding: 16px 16px 20px;
                border: 1px solid var(--border-color);
                border-top: none;
                margin-top: 0;
            }
            .navbar-electronic .nav-link {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .navbar-electronic .nav-link.active::after {
                left: 16px;
                right: 16px;
                bottom: 4px;
            }
            .navbar-electronic .btn-nav-cta {
                margin-top: 12px;
                justify-content: center;
                width: 100%;
            }
            .page-header {
                padding: 100px 0 36px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-gap: 48px;
            }
            .section-block {
                padding: 48px 0;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header {
                padding: 88px 0 28px;
            }
            .page-header h1 {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section .cta-actions {
                flex-direction: column;
            }
            .btn-electronic-primary,
            .btn-electronic-outline {
                width: 100%;
                justify-content: center;
            }
            .footer-electronic {
                padding: 40px 0 20px;
            }
            .footer-electronic .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 575.98px) {
            .page-header h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .data-panel .data-number {
                font-size: 2rem;
            }
            .team-card .team-body {
                padding: 16px 18px 18px;
            }
            .interview-card,
            .transfer-card,
            .fan-card {
                padding: 18px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-deep: #0B0D12;
            --bg-surface: #131A26;
            --bg-card: #161F2D;
            --bg-elevated: #1B2637;
            --border-color: #223142;
            --border-light: #2E4057;
            --primary: #19E3C9;
            --accent: #B7F400;
            --hot: #FF2D7A;
            --purple: #7C5CFC;
            --text-primary: #E8F0F7;
            --text-secondary: #C6D0DE;
            --text-muted: #93A1B6;
            --text-dark: #0B0D12;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --radius-input: 10px;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(25, 227, 201, 0.25);
            --shadow-accent-glow: 0 0 20px rgba(183, 244, 0, 0.3);
            --font-en: 'Rajdhani', 'DIN Alternate', 'Barlow Condensed', sans-serif;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 56px;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }
        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-deep);
            color: var(--text-secondary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
            color: var(--primary);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-block {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(25, 227, 201, 0.1);
            border: 1px solid rgba(25, 227, 201, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 1rem;
        }
        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.25rem);
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            font-weight: 800;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
        }
        /* Navigation */
        .navbar-electronic {
            background: rgba(11, 13, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            min-height: 76px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            z-index: 1030;
        }
        .navbar-electronic .navbar-brand {
            font-family: var(--font-zh);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
        }
        .navbar-electronic .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .navbar-electronic .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-electronic .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }
        .navbar-electronic .nav-link:hover,
        .navbar-electronic .nav-link:focus {
            color: var(--primary);
        }
        .navbar-electronic .nav-link.active {
            color: var(--primary);
        }
        .navbar-electronic .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary);
        }
        .navbar-electronic .btn-nav-cta {
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-electronic .btn-nav-cta:hover,
        .navbar-electronic .btn-nav-cta:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 24px rgba(183, 244, 0, 0.5);
            transform: translateY(-1px);
        }
        .navbar-electronic .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
        }
        .navbar-electronic .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(25, 227, 201, 0.25);
        }
        /* Breadcrumb */
        .breadcrumb-electronic {
            background: transparent;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .breadcrumb-electronic a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb-electronic a:hover {
            color: var(--primary);
        }
        .breadcrumb-electronic .separator {
            color: var(--border-light);
            font-size: 0.75rem;
        }
        .breadcrumb-electronic .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* Page header */
        .page-header {
            padding-top: 120px;
            padding-bottom: 32px;
            background: linear-gradient(180deg, rgba(25, 227, 201, 0.06) 0%, rgba(11, 13, 18, 0) 30%);
            border-bottom: 1px solid rgba(34, 49, 66, 0.5);
        }
        .page-header .page-title {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 0.75rem;
        }
        .page-header .page-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.9;
        }
        /* News list */
        .news-list-grid {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            gap: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .news-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .news-card .date-block {
            flex-shrink: 0;
            width: 72px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            background: var(--bg-elevated);
            border-radius: 12px;
            padding: 12px 8px;
            border: 1px solid var(--border-color);
        }
        .news-card .date-block .day {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            font-family: var(--font-en);
        }
        .news-card .date-block .month {
            font-size: 0.78rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .news-card .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            align-items: center;
        }
        .news-card .news-meta .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            background: rgba(25, 227, 201, 0.12);
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.2);
        }
        .news-card .news-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-card .news-title a {
            color: var(--text-primary);
            transition: var(--transition);
        }
        .news-card .news-title a:hover {
            color: var(--primary);
        }
        .news-card .news-summary {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .news-card .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid rgba(25, 227, 201, 0.3);
            border-radius: var(--radius-btn);
            padding: 6px 16px;
            transition: var(--transition);
        }
        .news-card .btn-read-more:hover,
        .news-card .btn-read-more:focus {
            background: rgba(25, 227, 201, 0.1);
            border-color: var(--primary);
            box-shadow: 0 0 16px rgba(25, 227, 201, 0.2);
            color: var(--primary);
        }
        /* Observation cards */
        .obs-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .obs-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .obs-card .obs-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .obs-card .obs-icon.cyan {
            background: rgba(25, 227, 201, 0.12);
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.2);
        }
        .obs-card .obs-icon.purple {
            background: rgba(124, 92, 252, 0.12);
            color: var(--purple);
            border: 1px solid rgba(124, 92, 252, 0.2);
        }
        .obs-card .obs-icon.hot {
            background: rgba(255, 45, 122, 0.12);
            color: var(--hot);
            border: 1px solid rgba(255, 45, 122, 0.2);
        }
        .obs-card .obs-icon.accent {
            background: rgba(183, 244, 0, 0.12);
            color: var(--accent);
            border: 1px solid rgba(183, 244, 0, 0.2);
        }
        .obs-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .obs-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* Vendor updates */
        .vendor-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .vendor-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .vendor-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .vendor-card .vendor-body {
            padding: 20px;
        }
        .vendor-card .vendor-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .vendor-card .vendor-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        /* Data report */
        .data-report-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }
        .data-report-panel .data-text {
            flex: 1;
            min-width: 260px;
        }
        .data-report-panel .data-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .data-report-panel .data-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 0;
        }
        .data-report-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            flex-shrink: 0;
        }
        .stat-item {
            text-align: center;
            min-width: 90px;
        }
        .stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-en);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        /* RSS / sitemap entry */
        .entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }
        .entry-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .entry-card .entry-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
        }
        .entry-card .entry-icon.rss {
            background: rgba(255, 45, 122, 0.12);
            color: var(--hot);
            border: 1px solid rgba(255, 45, 122, 0.2);
        }
        .entry-card .entry-icon.sitemap {
            background: rgba(25, 227, 201, 0.12);
            color: var(--primary);
            border: 1px solid rgba(25, 227, 201, 0.2);
        }
        .entry-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0;
        }
        .entry-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        /* CTA */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(25, 227, 201, 0.08) 0%, rgba(11, 13, 18, 0) 70%);
            border-top: 1px solid rgba(34, 49, 66, 0.5);
            border-bottom: 1px solid rgba(34, 49, 66, 0.5);
        }
        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 48px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--hot));
        }
        .cta-card h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-card p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 24px;
            line-height: 1.85;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
        }
        .btn-cta-primary:hover,
        .btn-cta-primary:focus {
            background: #c8ff1a;
            color: var(--text-dark);
            box-shadow: 0 0 28px rgba(183, 244, 0, 0.5);
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(25, 227, 201, 0.4);
            transition: var(--transition);
        }
        .btn-cta-outline:hover,
        .btn-cta-outline:focus {
            background: rgba(25, 227, 201, 0.1);
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(25, 227, 201, 0.25);
        }
        /* Footer */
        .footer-electronic {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-brand {
            font-family: var(--font-zh);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.85;
            max-width: 320px;
        }
        .footer-electronic h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        /* Responsive */
        @media (max-width: 991px) {
            .navbar-electronic .navbar-collapse {
                background: var(--bg-surface);
                border-radius: 0 0 16px 16px;
                padding: 16px;
                border: 1px solid var(--border-color);
                margin-top: 4px;
            }
            .navbar-electronic .nav-link {
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .navbar-electronic .nav-link.active::after {
                left: 16px;
                right: 16px;
                bottom: 6px;
            }
            .navbar-electronic .btn-nav-cta {
                display: block;
                text-align: center;
                margin-top: 12px;
                border-radius: var(--radius-btn);
            }
            .news-card {
                flex-direction: column;
                gap: 16px;
            }
            .news-card .date-block {
                flex-direction: row;
                width: auto;
                gap: 8px;
                padding: 8px 16px;
                align-items: baseline;
            }
            .news-card .date-block .day {
                font-size: 1.2rem;
            }
            .data-report-panel {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-card {
                padding: 32px 20px;
            }
        }
        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding: 48px 0;
            }
            .page-header {
                padding-top: 100px;
            }
            .news-card {
                padding: 18px;
            }
            .news-card .news-title {
                font-size: 1.1rem;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
                margin-bottom: 10px;
            }
            .cta-card .btn-cta-primary,
            .cta-card .btn-cta-outline {
                display: flex;
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 519px) {
            .page-header .page-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .news-card .news-title {
                font-size: 1rem;
            }
            .stat-item .stat-num {
                font-size: 1.5rem;
            }
            .data-report-panel {
                padding: 24px 18px;
            }
            .data-report-stats {
                gap: 16px;
            }
            .vendor-card img {
                height: 150px;
            }
        }
        /* Focus visible for accessibility */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-cta-primary:focus-visible,
        .btn-cta-outline:focus-visible,
        .btn-nav-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        /* Active state for buttons */
        .btn-cta-primary:active,
        .btn-cta-outline:active,
        .btn-nav-cta:active,
        .btn-read-more:active {
            transform: scale(0.98);
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}