/* roulang page: index */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }
        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }
        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }
        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }
        .jc-nav-cta {
            margin-left: 12px;
        }
        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }
        .jc-nav-toggle:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 2px;
        }

        /* Hero */
        .jc-hero {
            position: relative;
            padding: 72px 0 88px;
            overflow: hidden;
        }
        .jc-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 70% 40%, rgba(13, 43, 94, 0.5) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(7, 20, 45, 0.65) 0%, transparent 50%);
            z-index: 0;
        }
        .jc-hero .jc-row {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .jc-hero-text {
            padding-top: 12px;
        }
        .jc-hero-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            background: rgba(94, 234, 212, 0.1);
            border: 1px solid rgba(94, 234, 212, 0.3);
            color: var(--jc-ice);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .jc-hero h1 {
            font-family: var(--jc-font-head);
            font-size: clamp(2.1rem, 4vw, 3.3rem);
            font-weight: 700;
            line-height: 1.28;
            margin-bottom: 24px;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .jc-hero-sub {
            font-size: 1.06rem;
            color: var(--jc-text-secondary);
            max-width: 560px;
            margin-bottom: 36px;
            line-height: 1.85;
        }
        .jc-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .jc-hero-visual {
            display: flex;
            justify-content: center;
            align-items: stretch;
            min-height: 400px;
        }
        .jc-hero-visual-card {
            width: 100%;
            border-radius: var(--jc-radius);
            border: 1px solid var(--jc-border);
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--jc-shadow);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .jc-hero-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--jc-border);
            background: rgba(13, 43, 94, 0.45);
        }
        .jc-hero-card-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
        }
        .jc-hero-card-status {
            font-size: 0.78rem;
            color: var(--jc-ice);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .jc-hero-card-status .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--jc-ice);
            box-shadow: 0 0 8px rgba(94, 234, 212, 0.8);
        }
        .jc-hero-card-body {
            padding: 18px 20px;
            flex: 1;
        }
        .jc-hero-data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .jc-hero-data-row:last-child {
            border-bottom: none;
        }
        .jc-hero-match {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: var(--jc-text);
            font-size: 0.9rem;
        }
        .jc-hero-match .score {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.05em;
        }
        .jc-hero-match .league-tag {
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 4px;
            background: rgba(46, 139, 255, 0.2);
            color: var(--jc-cyan);
            font-weight: 500;
        }
        .jc-hero-card-footer {
            padding: 14px 20px;
            border-top: 1px solid var(--jc-border);
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--jc-text-muted);
        }

        /* Buttons */
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--jc-radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            font-family: var(--jc-font-body);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            line-height: 1.4;
            min-height: 46px;
        }
        .jc-btn:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
            border: 1px solid rgba(56, 189, 248, 0.4);
        }
        .jc-btn-primary:hover {
            background: linear-gradient(135deg, #3d9bff, #56d9ff);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }
        .jc-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }
        .jc-btn-secondary {
            background: transparent;
            color: var(--jc-text);
            border: 1px solid var(--jc-border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.04);
        }
        .jc-btn-secondary:hover {
            border-color: var(--jc-blue);
            background: rgba(46, 139, 255, 0.15);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .jc-btn-sm {
            padding: 8px 18px;
            min-height: 36px;
            font-size: 0.85rem;
            border-radius: 8px;
        }
        .jc-btn-lg {
            padding: 16px 38px;
            min-height: 56px;
            font-size: 1.05rem;
            border-radius: 12px;
        }
        .jc-btn-link {
            background: none;
            border: none;
            color: var(--jc-blue);
            padding: 4px 0;
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            text-decoration: none;
        }
        .jc-btn-link:hover {
            color: var(--jc-ice);
            text-decoration: underline;
        }

        /* Sections */
        .jc-main section {
            padding: 72px 0;
        }
        .jc-section-header {
            margin-bottom: 44px;
        }
        .jc-section-header h2 {
            font-family: var(--jc-font-head);
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .jc-section-header p {
            color: var(--jc-text-secondary);
            font-size: 1rem;
            max-width: 700px;
            line-height: 1.8;
        }
        .jc-section-subtitle {
            font-family: var(--jc-font-head);
            font-size: 0.85rem;
            color: var(--jc-ice);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
            font-weight: 600;
        }

        /* Cards */
        .jc-card {
            border-radius: var(--jc-radius);
            border: 1px solid var(--jc-border);
            background: var(--jc-card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--jc-shadow);
            transition: all 0.35s ease;
            padding: 28px 24px;
            height: 100%;
        }
        .jc-card:hover {
            border-color: var(--jc-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            background: rgba(255, 255, 255, 0.06);
        }
        .jc-card h3 {
            font-family: var(--jc-font-head);
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-card p {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
        }
        .jc-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(46, 139, 255, 0.12);
            border: 1px solid rgba(46, 139, 255, 0.25);
            color: var(--jc-cyan);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .jc-card-icon-alt {
            background: rgba(94, 234, 212, 0.1);
            border-color: rgba(94, 234, 212, 0.25);
            color: var(--jc-ice);
        }

        /* Badge */
        .jc-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--jc-radius-xs);
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(46, 139, 255, 0.15);
            border: 1px solid rgba(46, 139, 255, 0.3);
            color: var(--jc-cyan);
            letter-spacing: 0.02em;
        }
        .jc-badge-ice {
            background: rgba(94, 234, 212, 0.12);
            border-color: rgba(94, 234, 212, 0.3);
            color: var(--jc-ice);
        }
        .jc-badge-warm {
            background: rgba(255, 180, 90, 0.12);
            border-color: rgba(255, 180, 90, 0.3);
            color: #ffb45a;
        }

        /* Brand intro */
        .jc-brand-intro {
            background: rgba(13, 43, 94, 0.25);
            border-top: 1px solid var(--jc-border);
            border-bottom: 1px solid var(--jc-border);
            padding: 64px 0;
        }
        .jc-brand-intro-inner {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }
        .jc-brand-intro h2 {
            font-size: 1.7rem;
            margin-bottom: 20px;
            color: #fff;
        }
        .jc-brand-intro p {
            color: var(--jc-text-secondary);
            font-size: 1rem;
            line-height: 1.9;
            text-align: left;
        }

        /* Feature grid */
        .jc-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .jc-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .jc-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* Screenshot demo */
        .jc-demo-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .jc-demo-item {
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--jc-border);
            background: var(--jc-card-bg);
        }
        .jc-demo-item img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .jc-demo-caption {
            padding: 12px 16px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            border-top: 1px solid var(--jc-border);
            background: rgba(255, 255, 255, 0.03);
        }

        /* Testimonial / Review */
        .jc-review {
            padding: 24px 22px;
            border-radius: var(--jc-radius);
            border: 1px solid var(--jc-border);
            background: var(--jc-card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            height: 100%;
        }
        .jc-review-stars {
            color: var(--jc-ice);
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .jc-review-text {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .jc-review-author {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            font-weight: 500;
        }

        /* Stats */
        .jc-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .jc-stat-block {
            padding: 28px 18px;
            border-radius: var(--jc-radius);
            border: 1px solid var(--jc-border);
            background: rgba(13, 43, 94, 0.35);
            backdrop-filter: blur(12px);
        }
        .jc-stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            font-family: var(--jc-font-head);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .jc-stat-label {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
        }

        /* News */
        .jc-news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .jc-news-item {
            padding: 22px 24px;
            border-radius: 14px;
            border: 1px solid var(--jc-border);
            background: var(--jc-card-bg);
            transition: all 0.3s ease;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .jc-news-item:hover {
            border-color: var(--jc-border-hover);
            background: rgba(255, 255, 255, 0.055);
            transform: translateX(4px);
        }
        .jc-news-date {
            flex-shrink: 0;
            padding: 6px 14px;
            border-radius: 8px;
            background: rgba(46, 139, 255, 0.15);
            font-size: 0.78rem;
            color: var(--jc-cyan);
            font-weight: 500;
            white-space: nowrap;
            margin-top: 2px;
        }
        .jc-news-content h3 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-news-content p {
            font-size: 0.9rem;
            color: var(--jc-text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        /* Price plans */
        .jc-plans {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .jc-plan {
            padding: 32px 26px;
            border-radius: var(--jc-radius);
            border: 1px solid var(--jc-border);
            background: var(--jc-card-bg);
            backdrop-filter: blur(14px);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: all 0.35s ease;
        }
        .jc-plan:hover {
            transform: translateY(-6px);
            border-color: var(--jc-border-hover);
            box-shadow: 0 20px 52px rgba(0, 0, 0, 0.45);
        }
        .jc-plan-highlight {
            border-color: rgba(94, 234, 212, 0.5);
            background: rgba(13, 43, 94, 0.55);
            box-shadow: 0 0 32px rgba(94, 234, 212, 0.15);
        }
        .jc-plan-tag {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            padding: 4px 16px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--jc-ice), #2dd4bf);
            color: #0a1f3a;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            box-shadow: 0 0 18px rgba(94, 234, 212, 0.5);
        }
        .jc-plan-name {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-plan-price {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            font-family: var(--jc-font-head);
            margin-bottom: 4px;
        }
        .jc-plan-price span {
            font-size: 0.95rem;
            font-weight: 400;
            color: var(--jc-text-muted);
        }
        .jc-plan-desc {
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            margin-bottom: 20px;
        }
        .jc-plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            flex: 1;
        }
        .jc-plan-features li {
            padding: 6px 0;
            color: var(--jc-text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .jc-plan-features li::before {
            content: '✓';
            color: var(--jc-ice);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* FAQ */
        .jc-faq .accordion-item {
            background: transparent;
            border: 1px solid var(--jc-border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .jc-faq .accordion-button {
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .jc-faq .accordion-button:not(.collapsed) {
            background: rgba(46, 139, 255, 0.12);
            color: #fff;
            box-shadow: none;
        }
        .jc-faq .accordion-button:focus {
            box-shadow: none;
            border-color: var(--jc-cyan);
        }
        .jc-faq .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.4rem;
            line-height: 1;
            color: var(--jc-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .jc-faq .accordion-button:not(.collapsed)::after {
            content: '−';
        }
        .jc-faq .accordion-body {
            background: rgba(255, 255, 255, 0.025);
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            padding: 18px 22px;
        }

        /* CTA band */
        .jc-cta-band {
            background: linear-gradient(135deg, rgba(13, 43, 94, 0.8) 0%, rgba(7, 20, 45, 0.9) 100%);
            border-top: 1px solid var(--jc-border);
            border-bottom: 1px solid var(--jc-border);
            text-align: center;
            padding: 80px 0;
        }
        .jc-cta-band h2 {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .jc-cta-band p {
            color: var(--jc-text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        /* Notices */
        .jc-notice {
            padding: 16px 20px;
            border-radius: 10px;
            background: rgba(255, 180, 90, 0.06);
            border: 1px solid rgba(255, 180, 90, 0.2);
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            line-height: 1.75;
            margin-top: 12px;
        }

        /* Footer */
        .jc-footer {
            background: rgba(3, 6, 12, 0.92);
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .jc-footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--jc-font-head);
        }
        .jc-footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin: 16px 0;
        }
        .jc-footer-links a {
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            text-decoration: none;
        }
        .jc-footer-links a:hover {
            color: var(--jc-cyan);
        }
        .jc-footer-copy {
            color: var(--jc-text-muted);
            font-size: 0.8rem;
            line-height: 1.8;
        }
        .jc-footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin: 24px 0 18px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .jc-hero .jc-row {
                gap: 40px;
            }
            .jc-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .jc-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .jc-header {
                padding: 10px 0;
            }
            .jc-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
            }
            .jc-nav.open {
                display: flex;
            }
            .jc-nav a {
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .jc-nav-toggle {
                display: inline-block;
            }
            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .jc-hero .jc-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .jc-hero-visual {
                min-height: 300px;
            }
            .jc-hero {
                padding: 48px 0 56px;
            }
            .jc-grid-3,
            .jc-grid-2,
            .jc-grid-4 {
                grid-template-columns: 1fr;
            }
            .jc-demo-grid {
                grid-template-columns: 1fr;
            }
            .jc-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .jc-plans {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .jc-main section {
                padding: 48px 0;
            }
            .jc-news-item {
                flex-direction: column;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .jc-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .jc-hero h1 {
                font-size: 1.8rem;
            }
            .jc-hero-sub {
                font-size: 0.95rem;
            }
            .jc-hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .jc-btn-lg {
                padding: 14px 24px;
                min-height: 50px;
                font-size: 0.95rem;
            }
            .jc-stats {
                grid-template-columns: 1fr;
            }
            .jc-stat-value {
                font-size: 1.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }

        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }
        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }
        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }
        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }
        .jc-nav-cta {
            margin-left: 12px;
        }
        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }
        .jc-nav-toggle:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 2px;
        }

        /* Buttons */
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--jc-radius-sm);
            font-weight: 600;
            font-size: 0.96rem;
            padding: 10px 22px;
            transition: all 0.28s ease;
            border: none;
            cursor: pointer;
            line-height: 1.5;
            text-decoration: none !important;
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
        }
        .jc-btn-primary:hover {
            background: linear-gradient(135deg, #4d9bff, #5cc9ff);
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .jc-btn-secondary {
            background: transparent;
            border: 1px solid var(--jc-border);
            color: var(--jc-text);
            backdrop-filter: blur(8px);
        }
        .jc-btn-secondary:hover {
            border-color: var(--jc-blue);
            background: rgba(46, 139, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }
        .jc-btn-sm {
            padding: 7px 16px;
            font-size: 0.86rem;
        }
        .jc-btn:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
        }

        /* Breadcrumb */
        .jc-breadcrumb {
            padding: 24px 0 0;
            font-size: 0.88rem;
            color: var(--jc-text-muted);
        }
        .jc-breadcrumb a {
            color: var(--jc-text-secondary);
            text-decoration: none;
        }
        .jc-breadcrumb a:hover {
            color: var(--jc-ice);
        }
        .jc-breadcrumb .divider {
            margin: 0 8px;
            color: var(--jc-text-muted);
        }
        .jc-breadcrumb .current {
            color: var(--jc-ice);
        }

        /* Category Header */
        .jc-category-header {
            padding: 32px 0 40px;
        }
        .jc-category-header h1 {
            font-family: var(--jc-font-head);
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .jc-category-header p {
            font-size: 1rem;
            color: var(--jc-text-secondary);
            max-width: 720px;
            margin-bottom: 0;
            line-height: 1.85;
        }

        /* Sections */
        .jc-section {
            padding: 56px 0;
        }
        .jc-section-alt {
            background: rgba(11, 21, 38, 0.4);
            border-top: 1px solid var(--jc-border);
            border-bottom: 1px solid var(--jc-border);
        }
        .jc-section-title {
            font-family: var(--jc-font-head);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .jc-section-sub {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            margin-bottom: 28px;
        }

        /* Cards */
        .jc-card {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 24px;
            transition: all 0.3s ease;
            height: 100%;
        }
        .jc-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 12px 42px rgba(0, 0, 0, 0.45), 0 0 18px rgba(56, 189, 248, 0.25);
            transform: translateY(-4px);
        }
        .jc-card h3 {
            font-family: var(--jc-font-head);
            font-size: 1.18rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.5;
        }
        .jc-card p {
            font-size: 0.94rem;
            color: var(--jc-text-secondary);
            margin-bottom: 0;
            line-height: 1.8;
        }

        /* Feature Cards */
        .jc-feature-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--jc-radius);
            background: var(--jc-card-bg-solid);
            border: 1px solid var(--jc-border);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(16px);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .jc-feature-card:hover {
            border-color: var(--jc-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 14px 44px rgba(0, 0, 0, 0.5), 0 0 20px rgba(56, 189, 248, 0.3);
        }
        .jc-feature-img {
            height: 180px;
            overflow: hidden;
            border-radius: var(--jc-radius) var(--jc-radius) 0 0;
        }
        .jc-feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .jc-feature-card:hover .jc-feature-img img {
            transform: scale(1.05);
        }
        .jc-feature-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .jc-feature-body h3 {
            font-size: 1.12rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.5;
            font-family: var(--jc-font-head);
        }
        .jc-feature-body p {
            font-size: 0.9rem;
            color: var(--jc-text-secondary);
            line-height: 1.75;
            flex-grow: 1;
            margin-bottom: 14px;
        }
        .jc-feature-link {
            font-size: 0.9rem;
            color: var(--jc-cyan);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* List Items */
        .jc-list-item {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(14px);
            padding: 22px 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }
        .jc-list-item:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 10px 36px rgba(0, 0, 0, 0.42), 0 0 16px rgba(56, 189, 248, 0.22);
        }
        .jc-list-item-content {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            flex-wrap: wrap;
        }
        .jc-list-date {
            background: rgba(46, 139, 255, 0.18);
            border: 1px solid rgba(46, 139, 255, 0.3);
            color: var(--jc-cyan);
            font-size: 0.82rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--jc-radius-xs);
            white-space: nowrap;
            align-self: flex-start;
        }
        .jc-list-body {
            flex: 1;
            min-width: 0;
        }
        .jc-list-body h4 {
            font-family: var(--jc-font-head);
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .jc-list-body p {
            font-size: 0.92rem;
            color: var(--jc-text-secondary);
            margin-bottom: 10px;
            line-height: 1.8;
        }
        .jc-list-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .jc-tag {
            font-size: 0.78rem;
            padding: 3px 10px;
            border-radius: var(--jc-radius-xs);
            background: rgba(94, 234, 212, 0.1);
            color: var(--jc-ice);
            border: 1px solid rgba(94, 234, 212, 0.25);
            white-space: nowrap;
        }

        /* Tags cloud */
        .jc-tag-cloud {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .jc-tag-cloud .jc-tag {
            font-size: 0.88rem;
            padding: 6px 16px;
            border-radius: var(--jc-radius-sm);
            background: rgba(46, 139, 255, 0.08);
            border: 1px solid var(--jc-border);
            color: var(--jc-text-secondary);
            transition: all 0.25s ease;
            cursor: default;
        }
        .jc-tag-cloud .jc-tag:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.18);
            color: #fff;
        }

        /* Stats */
        .jc-stat-block {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
        }
        .jc-stat-item {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            padding: 18px 22px;
            text-align: center;
            min-width: 120px;
            flex: 1;
        }
        .jc-stat-number {
            font-family: var(--jc-font-head);
            font-size: 2rem;
            font-weight: 700;
            color: var(--jc-ice);
            line-height: 1.2;
        }
        .jc-stat-label {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            margin-top: 4px;
        }

        /* Notice / compliance */
        .jc-notice {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 24px;
            color: var(--jc-text-secondary);
            font-size: 0.9rem;
            line-height: 1.9;
        }
        .jc-notice strong {
            color: var(--jc-ice);
        }

        /* CTA */
        .jc-cta-box {
            background: linear-gradient(135deg, rgba(13, 43, 94, 0.7), rgba(7, 14, 26, 0.9));
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 44px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--jc-shadow);
        }
        .jc-cta-box h2 {
            font-family: var(--jc-font-head);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .jc-cta-box p {
            color: var(--jc-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* Footer */
        .jc-footer {
            background: #050b14;
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 30px;
            margin-top: 40px;
        }
        .jc-footer-brand {
            font-family: var(--jc-font-head);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-footer p {
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .jc-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 22px;
            margin-top: 22px;
        }
        .jc-footer-links a {
            color: var(--jc-text-secondary);
            font-size: 0.88rem;
            text-decoration: none;
        }
        .jc-footer-links a:hover {
            color: var(--jc-ice);
        }
        .jc-footer-divider {
            border-top: 1px solid var(--jc-border);
            margin: 28px 0 18px;
        }
        .jc-footer-copy {
            color: var(--jc-text-muted);
            font-size: 0.82rem;
            line-height: 1.8;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .jc-nav-toggle {
                display: block;
            }
            .jc-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 12px;
            }
            .jc-nav.active {
                display: flex;
            }
            .jc-nav a {
                padding: 10px 14px;
                text-align: left;
            }
            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .jc-category-header h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 767px) {
            .jc-category-header h1 {
                font-size: 1.65rem;
            }
            .jc-section {
                padding: 40px 0;
            }
            .jc-list-item-content {
                flex-direction: column;
                gap: 12px;
            }
            .jc-list-date {
                align-self: flex-start;
            }
            .jc-cta-box {
                padding: 30px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .jc-stat-block {
                gap: 12px;
            }
            .jc-stat-item {
                min-width: 80px;
                padding: 14px 16px;
            }
            .jc-stat-number {
                font-size: 1.5rem;
            }
            .jc-feature-img {
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .jc-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .jc-category-header h1 {
                font-size: 1.4rem;
            }
            .jc-section-title {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
 --jc-bg: #070e1a;
 --jc-bg-secondary: #0b1526;
 --jc-primary: #0d2b5e;
 --jc-primary-light: #1a3b6f;
 --jc-blue: #2e8bff;
 --jc-cyan: #38bdf8;
 --jc-ice: #5eead4;
 --jc-text: rgba(235, 242, 255, 0.92);
 --jc-text-secondary: rgba(200, 215, 240, 0.68);
 --jc-text-muted: rgba(160, 180, 210, 0.48);
 --jc-border: rgba(255, 255, 255, 0.12);
 --jc-border-hover: rgba(56, 189, 248, 0.6);
 --jc-card-bg: rgba(255, 255, 255, 0.045);
 --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
 --jc-radius: 16px;
 --jc-radius-sm: 10px;
 --jc-radius-xs: 6px;
 --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
 --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
 --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --jc-container: 1200px;
}
html {
 scroll-behavior: smooth;
}
*,
*::before,
*::after {
 box-sizing: border-box;
}
body {
 font-family: var(--jc-font-body);
 font-size: 16px;
 line-height: 1.75;
 color: var(--jc-text);
 background-color: var(--jc-bg);
 background-image:
 radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
 radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
 radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
 background-attachment: fixed;
 min-height: 100vh;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
}
a {
 color: var(--jc-blue);
 text-decoration: none;
 transition: all 0.25s ease;
}
a:hover {
 color: var(--jc-ice);
 text-decoration: underline;
 text-decoration-thickness: 1px;
 text-underline-offset: 3px;
}
a:focus-visible {
 outline: 2px solid var(--jc-ice);
 outline-offset: 3px;
 border-radius: 4px;
}
img {
 max-width: 100%;
 display: block;
}
.jc-container {
 width: 100%;
 max-width: var(--jc-container);
 margin: 0 auto;
 padding-left: 24px;
 padding-right: 24px;
}
.jc-header {
 position: sticky;
 top: 0;
 z-index: 1000;
 background: rgba(7, 14, 26, 0.82);
 backdrop-filter: blur(20px);
 -webkit-backdrop-filter: blur(20px);
 border-bottom: 1px solid var(--jc-border);
 padding: 12px 0;
 transition: all 0.3s ease;
}
.jc-header.scrolled {
 box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}
.jc-header-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
 flex-wrap: wrap;
}
.jc-logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 font-family: var(--jc-font-head);
 font-weight: 700;
 font-size: 1.35rem;
 color: #fff;
 letter-spacing: 0.02em;
 text-decoration: none;
 white-space: nowrap;
}
.jc-logo:hover {
 text-decoration: none;
 color: #fff;
}
.jc-logo-icon {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 34px;
 height: 34px;
 border-radius: 8px;
 background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
 color: #fff;
 font-size: 17px;
 box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
}
.jc-nav {
 display: flex;
 align-items: center;
 gap: 4px;
 flex-wrap: wrap;
}
.jc-nav a {
 color: var(--jc-text-secondary);
 font-size: 0.92rem;
 padding: 6px 12px;
 border-radius: 6px;
 text-decoration: none;
 position: relative;
 transition: all 0.22s ease;
}
.jc-nav a:hover {
 color: #fff;
 background: rgba(46, 139, 255, 0.12);
 text-decoration: none;
}
.jc-nav a.active {
 color: #fff;
 background: rgba(46, 139, 255, 0.18);
}
.jc-nav a.active::after {
 content: '';
 position: absolute;
 bottom: 0;
 left: 12px;
 right: 12px;
 height: 2px;
 background: var(--jc-ice);
 border-radius: 2px;
 box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
}
.jc-nav-cta {
 margin-left: 12px;
}
.jc-nav-toggle {
 display: none;
 background: none;
 border: 1px solid var(--jc-border);
 color: #fff;
 font-size: 1.4rem;
 padding: 6px 12px;
 border-radius: 8px;
 cursor: pointer;
 transition: all 0.25s ease;
}
.jc-nav-toggle:hover {
 border-color: var(--jc-cyan);
 background: rgba(46, 139, 255, 0.12);
}
.jc-nav-toggle:focus-visible {
 outline: 2px solid var(--jc-ice);
 outline-offset: 2px;
}
.jc-btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 font-family: var(--jc-font-body);
 font-weight: 600;
 font-size: 0.95rem;
 padding: 10px 22px;
 border-radius: var(--jc-radius-sm);
 border: 1px solid transparent;
 cursor: pointer;
 transition: all 0.25s ease;
 text-decoration: none;
}
.jc-btn:hover {
 text-decoration: none;
}
.jc-btn:focus-visible {
 outline: 2px solid var(--jc-ice);
 outline-offset: 3px;
}
.jc-btn-primary {
 background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
 color: #fff;
 border-color: rgba(56, 189, 248, 0.6);
 box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
}
.jc-btn-primary:hover {
 color: #fff;
 filter: brightness(1.15);
 box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
 transform: translateY(-2px);
}
.jc-btn-secondary {
 background: rgba(255, 255, 255, 0.04);
 color: var(--jc-text);
 border-color: var(--jc-border);
 backdrop-filter: blur(12px);
}
.jc-btn-secondary:hover {
 color: #fff;
 border-color: var(--jc-border-hover);
 background: rgba(46, 139, 255, 0.15);
}
.jc-btn-sm {
 padding: 7px 14px;
 font-size: 0.85rem;
 border-radius: 8px;
}
.jc-btn-block {
 width: 100%;
}
.jc-breadcrumb {
 display: flex;
 align-items: center;
 gap: 8px;
 font-size: 0.9rem;
 color: var(--jc-text-muted);
 padding: 18px 0;
 flex-wrap: wrap;
}
.jc-breadcrumb a {
 color: var(--jc-text-secondary);
 text-decoration: none;
}
.jc-breadcrumb a:hover {
 color: var(--jc-ice);
 text-decoration: none;
}
.jc-breadcrumb .sep {
 color: var(--jc-text-muted);
 font-size: 0.8rem;
}
.jc-section {
 padding: 56px 0;
 position: relative;
}
.jc-section-alt {
 background: rgba(255, 255, 255, 0.02);
 border-top: 1px solid var(--jc-border);
 border-bottom: 1px solid var(--jc-border);
}
.jc-section-header {
 margin-bottom: 32px;
}
.jc-eyebrow {
 display: inline-block;
 font-size: 0.8rem;
 font-weight: 600;
 letter-spacing: 0.08em;
 text-transform: uppercase;
 color: var(--jc-ice);
 margin-bottom: 8px;
}
.jc-section-title {
 font-family: var(--jc-font-head);
 font-size: clamp(1.5rem, 2.5vw, 2rem);
 font-weight: 700;
 color: #fff;
 margin-bottom: 12px;
 line-height: 1.35;
}
.jc-section-desc {
 color: var(--jc-text-secondary);
 font-size: 1rem;
 max-width: 720px;
}
.jc-card {
 background: var(--jc-card-bg);
 border: 1px solid var(--jc-border);
 border-radius: var(--jc-radius);
 box-shadow: var(--jc-shadow);
 backdrop-filter: blur(14px);
 -webkit-backdrop-filter: blur(14px);
 transition: all 0.3s ease;
 overflow: hidden;
}
.jc-card:hover {
 border-color: var(--jc-border-hover);
 transform: translateY(-4px);
 box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}
.jc-panel-header {
 padding: 48px 0 32px;
 border-bottom: 1px solid var(--jc-border);
 background: linear-gradient(180deg, rgba(13, 43, 94, 0.35) 0%, rgba(7, 14, 26, 0.1) 100%);
}
.jc-panel-header h1 {
 font-family: var(--jc-font-head);
 font-size: clamp(1.8rem, 3vw, 2.5rem);
 font-weight: 700;
 color: #fff;
 margin-bottom: 12px;
 line-height: 1.3;
}
.jc-panel-header .lead {
 color: var(--jc-text-secondary);
 font-size: 1.05rem;
 max-width: 780px;
}
.jc-feature-card {
 display: flex;
 flex-direction: column;
 height: 100%;
 background: var(--jc-card-bg);
 border: 1px solid var(--jc-border);
 border-radius: var(--jc-radius);
 overflow: hidden;
 transition: all 0.3s ease;
}
.jc-feature-card:hover {
 border-color: var(--jc-border-hover);
 transform: translateY(-4px);
 box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}
.jc-feature-card .img-wrap {
 aspect-ratio: 16/9;
 overflow: hidden;
 background: var(--jc-bg-secondary);
}
.jc-feature-card .img-wrap img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.5s ease;
}
.jc-feature-card:hover .img-wrap img {
 transform: scale(1.05);
}
.jc-feature-card .body {
 padding: 18px 20px 20px;
}
.jc-feature-card h3 {
 font-family: var(--jc-font-head);
 font-size: 1.1rem;
 font-weight: 700;
 color: #fff;
 margin-bottom: 8px;
}
.jc-feature-card p {
 font-size: 0.92rem;
 color: var(--jc-text-secondary);
 margin: 0;
}
.jc-note-list {
 display: flex;
 flex-direction: column;
 gap: 16px;
}
.jc-note-item {
 background: var(--jc-card-bg);
 border: 1px solid var(--jc-border);
 border-radius: var(--jc-radius);
 padding: 20px 24px;
 transition: all 0.3s ease;
}
.jc-note-item:hover {
 border-color: var(--jc-border-hover);
 background: rgba(46, 139, 255, 0.06);
}
.jc-note-item .top-row {
 display: flex;
 align-items: center;
 gap: 12px;
 flex-wrap: wrap;
 margin-bottom: 10px;
}
.jc-note-date {
 display: inline-flex;
 align-items: center;
 font-size: 0.8rem;
 font-weight: 600;
 color: var(--jc-ice);
 background: rgba(46, 139, 255, 0.15);
 padding: 3px 10px;
 border-radius: 6px;
 white-space: nowrap;
}
.jc-note-tag {
 display: inline-flex;
 align-items: center;
 font-size: 0.75rem;
 color: var(--jc-text-secondary);
 background: rgba(255, 255, 255, 0.06);
 border: 1px solid var(--jc-border);
 padding: 2px 10px;
 border-radius: 6px;
 white-space: nowrap;
}
.jc-note-item h3 {
 font-family: var(--jc-font-head);
 font-size: 1.08rem;
 font-weight: 700;
 color: #fff;
 margin-bottom: 8px;
 line-height: 1.5;
}
.jc-note-item h3 a {
 color: #fff;
 text-decoration: none;
}
.jc-note-item h3 a:hover {
 color: var(--jc-ice);
 text-decoration: none;
}
.jc-note-item p {
 font-size: 0.92rem;
 color: var(--jc-text-secondary);
 margin: 0;
}
.jc-note-item .read-more {
 display: inline-block;
 font-size: 0.85rem;
 font-weight: 600;
 color: var(--jc-blue);
 margin-top: 10px;
 text-decoration: none;
}
.jc-note-item .read-more:hover {
 color: var(--jc-ice);
 text-decoration: none;
}
.jc-tag-cloud {
 display: flex;
 flex-wrap: wrap;
 gap: 10px;
}
.jc-tag {
 display: inline-flex;
 align-items: center;
 font-size: 0.85rem;
 color: var(--jc-text-secondary);
 background: rgba(255, 255, 255, 0.05);
 border: 1px solid var(--jc-border);
 padding: 6px 14px;
 border-radius: 999px;
 transition: all 0.25s ease;
 text-decoration: none;
}
.jc-tag:hover {
 color: #fff;
 border-color: var(--jc-border-hover);
 background: rgba(46, 139, 255, 0.18);
 text-decoration: none;
}
.jc-stat-grid {
 display: grid;
 grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
 gap: 16px;
}
.jc-stat-box {
 background: var(--jc-card-bg);
 border: 1px solid var(--jc-border);
 border-radius: var(--jc-radius-sm);
 padding: 18px 20px;
 text-align: center;
}
.jc-stat-box .number {
 font-family: var(--jc-font-head);
 font-size: 1.8rem;
 font-weight: 700;
 color: var(--jc-ice);
}
.jc-stat-box .label {
 font-size: 0.85rem;
 color: var(--jc-text-muted);
}
.jc-content-text h2 {
 font-family: var(--jc-font-head);
 font-size: 1.4rem;
 font-weight: 700;
 color: #fff;
 margin: 24px 0 12px;
}
.jc-content-text p {
 color: var(--jc-text-secondary);
 margin-bottom: 16px;
}
.jc-content-text strong {
 color: var(--jc-text);
}
.jc-faq-item {
 background: var(--jc-card-bg);
 border: 1px solid var(--jc-border);
 border-radius: var(--jc-radius-sm);
 margin-bottom: 12px;
 overflow: hidden;
}
.jc-faq-item.collapsed .faq-answer {
 display: none;
}
.jc-faq-question {
 width: 100%;
 background: none;
 border: none;
 text-align: left;
 padding: 16px 20px;
 cursor: pointer;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 font-family: var(--jc-font-body);
 font-size: 1rem;
 font-weight: 600;
 color: #fff;
 transition: all 0.25s ease;
}
.jc-faq-question:hover {
 background: rgba(46, 139, 255, 0.06);
}
.jc-faq-question .icon {
 font-size: 1.2rem;
 color: var(--jc-ice);
 transition: transform 0.3s ease;
}
.jc-faq-item:not(.collapsed) .jc-faq-question .icon {
 transform: rotate(45deg);
}
.jc-faq-answer {
 padding: 0 20px 16px;
 font-size: 0.92rem;
 color: var(--jc-text-secondary);
}
.jc-cta-band {
 background: linear-gradient(135deg, rgba(13, 43, 94, 0.7) 0%, rgba(11, 21, 38, 0.9) 100%);
 border: 1px solid var(--jc-border);
 border-radius: var(--jc-radius);
 padding: 40px 32px;
 text-align: center;
 box-shadow: var(--jc-shadow);
}
.jc-cta-band h2 {
 font-family: var(--jc-font-head);
 font-size: clamp(1.4rem, 2.5vw, 1.8rem);
 font-weight: 700;
 color: #fff;
 margin-bottom: 12px;
}
.jc-cta-band p {
 color: var(--jc-text-secondary);
 max-width: 560px;
 margin: 0 auto 24px;
}
.jc-footer {
 background: #050a12;
 border-top: 1px solid var(--jc-border);
 padding: 56px 0 32px;
}
.jc-footer-brand {
 font-family: var(--jc-font-head);
 font-size: 1.3rem;
 font-weight: 700;
 color: #fff;
 margin-bottom: 12px;
}
.jc-footer-links {
 display: flex;
 flex-wrap: wrap;
 gap: 14px 20px;
 margin: 20px 0;
}
.jc-footer-links a {
 color: var(--jc-text-muted);
 font-size: 0.9rem;
 text-decoration: none;
}
.jc-footer-links a:hover {
 color: var(--jc-ice);
 text-decoration: none;
}
.jc-footer-divider {
 border-top: 1px solid var(--jc-border);
 margin: 20px 0;
}
.jc-footer-copy {
 font-size: 0.8rem;
 color: var(--jc-text-muted);
 line-height: 1.9;
}
@media (max-width: 992px) {
 .jc-nav {
   display: none;
   flex-direction: column;
   gap: 2px;
   width: 100%;
   padding: 10px 0 6px;
 }
 .jc-nav.open {
   display: flex;
 }
 .jc-nav-toggle {
   display: block;
 }
 .jc-header-inner {
   gap: 12px;
 }
 .jc-nav-cta {
   margin-left: 0;
 }
}
@media (max-width: 768px) {
 .jc-section {
   padding: 40px 0;
 }
 .jc-panel-header {
   padding: 36px 0 24px;
 }
 .jc-note-item {
   padding: 16px 18px;
 }
 .jc-stat-grid {
   grid-template-columns: repeat(2, 1fr);
 }
 .jc-cta-band {
   padding: 28px 18px;
 }
}
@media (max-width: 520px) {
 .jc-container {
   padding-left: 16px;
   padding-right: 16px;
 }
 .jc-nav a {
   font-size: 0.88rem;
   padding: 8px 10px;
 }
 .jc-feature-card .body {
   padding: 14px 16px 16px;
 }
 .jc-note-item .top-row {
   gap: 6px;
 }
 .jc-stat-grid {
   grid-template-columns: 1fr;
 }
}

/* roulang page: category3 */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }
        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }
        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }
        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }
        .jc-nav-cta {
            margin-left: 12px;
        }
        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }
        .jc-nav-toggle:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 2px;
        }
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--jc-radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            padding: 10px 22px;
            font-size: 0.95rem;
            text-decoration: none;
            line-height: 1.5;
        }
        .jc-btn:hover {
            text-decoration: none;
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            border-color: rgba(46, 139, 255, 0.5);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }
        .jc-btn-primary:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.65);
            transform: translateY(-2px);
            filter: brightness(1.08);
        }
        .jc-btn-secondary {
            background: rgba(255, 255, 255, 0.04);
            color: var(--jc-text);
            border-color: rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(10px);
        }
        .jc-btn-secondary:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }
        .jc-btn-sm {
            padding: 7px 16px;
            font-size: 0.85rem;
        }
        .jc-btn:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
        }
        .jc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            padding: 18px 0 6px;
            flex-wrap: wrap;
        }
        .jc-breadcrumb a {
            color: var(--jc-text-secondary);
            text-decoration: none;
        }
        .jc-breadcrumb a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
        }
        .jc-breadcrumb .jc-breadcrumb-sep {
            user-select: none;
        }
        .jc-page-title {
            padding: 36px 0 28px;
        }
        .jc-page-title h1 {
            font-family: var(--jc-font-head);
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.3;
        }
        .jc-page-title p {
            font-size: 1.05rem;
            color: var(--jc-text-secondary);
            max-width: 720px;
            margin: 0;
        }
        .jc-section {
            padding: 56px 0;
            position: relative;
        }
        .jc-section-alt {
            background: rgba(11, 21, 38, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .jc-section-head {
            margin-bottom: 32px;
        }
        .jc-section-head h2 {
            font-family: var(--jc-font-head);
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.35;
        }
        .jc-section-head p {
            color: var(--jc-text-secondary);
            margin: 0;
            font-size: 0.95rem;
        }
        .jc-card {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 24px;
            transition: all 0.3s ease;
            height: 100%;
        }
        .jc-card:hover {
            border-color: var(--jc-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(56, 189, 248, 0.15);
        }
        .jc-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 0.75rem;
            border-radius: var(--jc-radius-xs);
            background: rgba(46, 139, 255, 0.15);
            color: var(--jc-cyan);
            border: 1px solid rgba(46, 139, 255, 0.3);
            letter-spacing: 0.02em;
        }
        .jc-tag-ice {
            background: rgba(94, 234, 212, 0.12);
            color: var(--jc-ice);
            border-color: rgba(94, 234, 212, 0.3);
        }
        .jc-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            background: rgba(255, 255, 255, 0.07);
            color: var(--jc-text-secondary);
            border: 1px solid var(--jc-border);
        }
        .jc-stat-number {
            font-family: var(--jc-font-head);
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--jc-ice);
            line-height: 1.2;
        }
        .jc-stat-label {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
        }
        .jc-list-item {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 22px 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }
        .jc-list-item:hover {
            border-color: var(--jc-border-hover);
            background: rgba(255, 255, 255, 0.06);
        }
        .jc-list-item h3 {
            font-family: var(--jc-font-head);
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }
        .jc-list-item h3 a {
            color: #fff;
            text-decoration: none;
        }
        .jc-list-item h3 a:hover {
            color: var(--jc-cyan);
            text-decoration: underline;
        }
        .jc-list-item p {
            color: var(--jc-text-secondary);
            margin: 0 0 12px;
            font-size: 0.92rem;
        }
        .jc-meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--jc-text-muted);
        }
        .jc-image-card {
            border-radius: var(--jc-radius);
            overflow: hidden;
            border: 1px solid var(--jc-border);
            background: var(--jc-card-bg);
            box-shadow: var(--jc-shadow);
            transition: all 0.3s ease;
        }
        .jc-image-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
        }
        .jc-image-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .jc-image-card-body {
            padding: 18px 20px;
        }
        .jc-image-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }
        .jc-image-card-body p {
            color: var(--jc-text-secondary);
            font-size: 0.88rem;
            margin: 0;
        }
        .jc-faq-item {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .jc-faq-item:hover {
            border-color: var(--jc-border-hover);
        }
        .jc-faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: all 0.25s ease;
            font-family: var(--jc-font-body);
            line-height: 1.5;
        }
        .jc-faq-question:hover {
            color: var(--jc-ice);
        }
        .jc-faq-question:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: -2px;
            border-radius: var(--jc-radius-sm);
        }
        .jc-faq-question .jc-faq-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--jc-cyan);
            transition: transform 0.3s ease;
        }
        .jc-faq-answer {
            padding: 0 22px 18px;
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .jc-cta-band {
            background: linear-gradient(135deg, rgba(13, 43, 94, 0.7), rgba(11, 21, 38, 0.85));
            border: 1px solid rgba(46, 139, 255, 0.3);
            border-radius: var(--jc-radius);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--jc-shadow), 0 0 40px rgba(46, 139, 255, 0.12);
        }
        .jc-cta-band h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .jc-cta-band p {
            color: var(--jc-text-secondary);
            margin: 0 0 24px;
            font-size: 1rem;
        }
        .jc-footer {
            background: #040a14;
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 32px;
            color: var(--jc-text-muted);
        }
        .jc-footer-brand {
            font-family: var(--jc-font-head);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            margin: 18px 0;
        }
        .jc-footer-links a {
            color: var(--jc-text-secondary);
            font-size: 0.88rem;
            text-decoration: none;
        }
        .jc-footer-links a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
        }
        .jc-footer-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.08);
            margin: 20px 0;
        }
        .jc-footer-copy {
            font-size: 0.8rem;
            color: var(--jc-text-muted);
            margin: 0;
            line-height: 1.8;
        }
        @media (max-width: 991.98px) {
            .jc-nav-toggle {
                display: inline-block;
            }
            .jc-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
            }
            .jc-nav.open {
                display: flex;
            }
            .jc-nav a {
                padding: 10px 14px;
                font-size: 0.95rem;
            }
            .jc-nav a.active::after {
                display: none;
            }
            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .jc-header-inner {
                gap: 12px;
            }
        }
        @media (max-width: 767.98px) {
            .jc-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .jc-section {
                padding: 40px 0;
            }
            .jc-page-title {
                padding: 24px 0 20px;
            }
            .jc-cta-band {
                padding: 32px 22px;
            }
            .jc-image-card img {
                height: 160px;
            }
        }
        @media (max-width: 575.98px) {
            .jc-page-title h1 {
                font-size: 1.7rem;
            }
            .jc-list-item {
                padding: 18px;
            }
            .jc-section-head h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category4 */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }
        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }
        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }
        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }
        .jc-nav-cta {
            margin-left: 12px;
        }
        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }
        .jc-nav-toggle:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 2px;
        }
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--jc-radius-sm);
            padding: 12px 22px;
            font-size: 0.95rem;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .jc-btn:hover {
            text-decoration: none;
        }
        .jc-btn:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
        }
        .jc-btn-primary:hover {
            color: #fff;
            background: linear-gradient(135deg, #4a9bff, #5cd0ff);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .jc-btn-secondary {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            border: 1px solid var(--jc-border);
            color: var(--jc-text);
        }
        .jc-btn-secondary:hover {
            color: #fff;
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.15);
            transform: translateY(-2px);
        }
        .jc-btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 8px;
        }
        .jc-section {
            padding: 64px 0;
            position: relative;
        }
        .jc-section-alt {
            background: rgba(11, 21, 38, 0.6);
        }
        .jc-section-head {
            margin-bottom: 32px;
        }
        .jc-section-head h2 {
            font-family: var(--jc-font-head);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .jc-section-head p {
            color: var(--jc-text-secondary);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 0;
        }
        .jc-card {
            background: var(--jc-card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            padding: 24px;
            transition: all 0.35s ease;
        }
        .jc-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), var(--jc-shadow-glow);
            transform: translateY(-4px);
        }
        .jc-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--jc-radius-xs);
            background: rgba(46, 139, 255, 0.18);
            color: var(--jc-ice);
            border: 1px solid rgba(46, 139, 255, 0.3);
            white-space: nowrap;
        }
        .jc-badge-date {
            background: rgba(13, 43, 94, 0.65);
            color: var(--jc-text-secondary);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .jc-badge-tag {
            background: rgba(94, 234, 212, 0.12);
            color: var(--jc-ice);
            border-color: rgba(94, 234, 212, 0.3);
        }
        .jc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            flex-wrap: wrap;
            padding: 16px 0;
        }
        .jc-breadcrumb a {
            color: var(--jc-text-secondary);
            text-decoration: none;
        }
        .jc-breadcrumb a:hover {
            color: var(--jc-ice);
        }
        .jc-breadcrumb .separator {
            color: var(--jc-text-muted);
            font-size: 0.7rem;
        }
        .jc-breadcrumb .current {
            color: var(--jc-text);
            font-weight: 500;
        }
        .jc-category-hero {
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--jc-border);
            background: linear-gradient(180deg, rgba(13, 43, 94, 0.25) 0%, rgba(7, 14, 26, 0.1) 100%);
        }
        .jc-category-hero .jc-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 16px;
        }
        .jc-category-hero h1 {
            font-family: var(--jc-font-head);
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .jc-category-hero .jc-hero-desc {
            font-size: 1.05rem;
            color: var(--jc-text-secondary);
            max-width: 780px;
            line-height: 1.8;
        }
        .jc-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        .jc-feature-card {
            position: relative;
            overflow: hidden;
            min-height: 200px;
        }
        .jc-feature-card .jc-feature-icon {
            font-size: 2rem;
            color: var(--jc-ice);
            margin-bottom: 12px;
        }
        .jc-feature-card h3 {
            font-family: var(--jc-font-head);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-feature-card p {
            font-size: 0.9rem;
            color: var(--jc-text-secondary);
            margin-bottom: 0;
        }
        .jc-article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .jc-article-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 20px 24px;
            transition: all 0.3s ease;
        }
        .jc-article-item:hover {
            border-color: var(--jc-border-hover);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
            box-shadow: var(--jc-shadow);
        }
        .jc-article-item .jc-article-date {
            flex-shrink: 0;
            min-width: 64px;
            text-align: center;
            padding: 8px 6px;
            border-radius: var(--jc-radius-sm);
            background: rgba(13, 43, 94, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .jc-article-item .jc-article-date .day {
            display: block;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .jc-article-item .jc-article-date .month-year {
            display: block;
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            margin-top: 2px;
        }
        .jc-article-item .jc-article-body {
            flex: 1;
            min-width: 0;
        }
        .jc-article-item .jc-article-body h3 {
            font-family: var(--jc-font-head);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .jc-article-item .jc-article-body h3 a {
            color: #fff;
            text-decoration: none;
        }
        .jc-article-item .jc-article-body h3 a:hover {
            color: var(--jc-ice);
        }
        .jc-article-item .jc-article-body p {
            font-size: 0.9rem;
            color: var(--jc-text-secondary);
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .jc-article-item .jc-article-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .jc-article-item .jc-article-readmore {
            flex-shrink: 0;
            align-self: center;
            font-size: 0.85rem;
            color: var(--jc-blue);
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-article-item .jc-article-readmore:hover {
            color: var(--jc-ice);
            text-decoration: underline;
        }
        .jc-viewmore {
            text-align: center;
            padding: 16px 0;
        }
        .jc-viewmore a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            text-decoration: none;
            padding: 10px 20px;
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            transition: all 0.3s ease;
        }
        .jc-viewmore a:hover {
            border-color: var(--jc-cyan);
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .jc-tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            color: var(--jc-text-secondary);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .jc-tag-cloud a:hover {
            border-color: var(--jc-cyan);
            color: #fff;
            background: rgba(46, 139, 255, 0.15);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .jc-faq .accordion-item {
            background: transparent;
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .jc-faq .accordion-button {
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-weight: 600;
            padding: 18px 20px;
            font-size: 0.95rem;
            border: none;
            box-shadow: none;
        }
        .jc-faq .accordion-button:not(.collapsed) {
            background: rgba(46, 139, 255, 0.12);
            color: #fff;
            box-shadow: none;
        }
        .jc-faq .accordion-button:focus {
            box-shadow: none;
            border-color: var(--jc-cyan);
        }
        .jc-faq .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        .jc-faq .accordion-body {
            background: rgba(255, 255, 255, 0.03);
            color: var(--jc-text-secondary);
            font-size: 0.9rem;
            padding: 16px 20px;
        }
        .jc-subscribe-section {
            background: linear-gradient(135deg, rgba(13, 43, 94, 0.5) 0%, rgba(7, 14, 26, 0.8) 100%);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .jc-subscribe-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .jc-subscribe-section h2 {
            font-family: var(--jc-font-head);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-subscribe-section p {
            color: var(--jc-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .jc-form-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .jc-form-group input[type="email"],
        .jc-form-group input[type="text"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            font-size: 0.9rem;
            border-radius: var(--jc-radius-sm);
            border: 1px solid var(--jc-border);
            background: rgba(7, 14, 26, 0.7);
            color: #fff;
            transition: all 0.3s ease;
        }
        .jc-form-group input:focus {
            outline: none;
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3);
        }
        .jc-form-group input::placeholder {
            color: var(--jc-text-muted);
        }
        .jc-footer {
            background: rgba(4, 8, 16, 0.95);
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 32px;
            margin-top: 32px;
        }
        .jc-footer-brand {
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            margin: 16px 0;
        }
        .jc-footer-links a {
            color: var(--jc-text-muted);
            font-size: 0.82rem;
            text-decoration: none;
            transition: all 0.2s ease;
        }
        .jc-footer-links a:hover {
            color: var(--jc-ice);
        }
        .jc-footer-divider {
            border-top: 1px solid var(--jc-border);
            margin: 16px 0;
        }
        .jc-footer-copy {
            font-size: 0.78rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .jc-footer-copy a {
            color: var(--jc-text-muted);
            text-decoration: none;
        }
        .jc-footer-copy a:hover {
            color: var(--jc-ice);
        }
        @media (max-width: 991px) {
            .jc-nav-toggle {
                display: inline-block;
            }
            .jc-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 4px;
                padding-top: 12px;
            }
            .jc-nav.open {
                display: flex;
            }
            .jc-nav a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .jc-category-hero h1 {
                font-size: 1.8rem;
            }
            .jc-section {
                padding: 48px 0;
            }
            .jc-subscribe-section {
                padding: 28px;
            }
        }
        @media (max-width: 767px) {
            .jc-section {
                padding: 40px 0;
            }
            .jc-category-hero {
                padding: 32px 0 28px;
            }
            .jc-category-hero h1 {
                font-size: 1.6rem;
            }
            .jc-category-hero .jc-hero-desc {
                font-size: 0.9rem;
            }
            .jc-article-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .jc-article-item .jc-article-date {
                min-width: 100%;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
                padding: 6px;
            }
            .jc-article-item .jc-article-date .day {
                font-size: 1rem;
                display: inline;
            }
            .jc-article-item .jc-article-date .month-year {
                display: inline;
                font-size: 0.75rem;
                margin-top: 0;
            }
            .jc-article-item .jc-article-readmore {
                align-self: flex-start;
            }
            .jc-form-group {
                flex-direction: column;
            }
            .jc-form-group input {
                min-width: 100%;
            }
            .jc-section-head h2 {
                font-size: 1.4rem;
            }
        }
        @media (min-width: 768px) and (max-width: 1024px) {
            .jc-nav a {
                font-size: 0.82rem;
                padding: 5px 8px;
            }
            .jc-nav-cta {
                margin-left: 4px;
            }
        }

/* roulang page: category5 */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }

        a:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }

        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }

        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }

        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }

        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }

        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }

        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }

        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }

        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }

        .jc-nav-cta {
            margin-left: 12px;
        }

        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }

        .jc-nav-toggle:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 2px;
        }

        /* Buttons */
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--jc-radius-sm);
            padding: 10px 22px;
            font-size: 0.95rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.28s ease;
            white-space: nowrap;
            line-height: 1.5;
            text-decoration: none;
        }

        .jc-btn:hover {
            text-decoration: none;
        }

        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
            border: none;
        }

        .jc-btn-primary:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
            filter: brightness(1.08);
        }

        .jc-btn-secondary {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            color: var(--jc-text);
            backdrop-filter: blur(12px);
        }

        .jc-btn-secondary:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }

        .jc-btn-sm {
            padding: 6px 14px;
            font-size: 0.85rem;
            border-radius: 8px;
        }

        .jc-btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: 12px;
        }

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

        /* Page header */
        .jc-page-header {
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--jc-border);
            background: rgba(11, 21, 38, 0.5);
        }

        .jc-page-header .jc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .jc-page-header .jc-breadcrumb a {
            color: var(--jc-text-muted);
            text-decoration: none;
        }

        .jc-page-header .jc-breadcrumb a:hover {
            color: var(--jc-ice);
        }

        .jc-page-header .jc-breadcrumb .jc-separator {
            color: var(--jc-text-muted);
            opacity: 0.6;
        }

        .jc-page-header .jc-breadcrumb .jc-current {
            color: var(--jc-ice);
        }

        .jc-page-header h1 {
            font-family: var(--jc-font-head);
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .jc-page-header .jc-lead {
            font-size: 1.05rem;
            color: var(--jc-text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* Sections */
        .jc-section {
            padding: 64px 0;
        }

        .jc-section-sm {
            padding: 48px 0;
        }

        .jc-section-tight {
            padding: 32px 0;
        }

        .jc-section-title {
            font-family: var(--jc-font-head);
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .jc-section-subtitle {
            font-size: 0.95rem;
            color: var(--jc-text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* Cards */
        .jc-card {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .jc-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            transform: translateY(-4px);
        }

        .jc-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

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

        .jc-card-title {
            font-family: var(--jc-font-head);
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .jc-card-text {
            font-size: 0.92rem;
            color: var(--jc-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* Expert cards */
        .jc-expert-card {
            display: flex;
            flex-direction: column;
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(16px);
            padding: 28px;
            transition: all 0.3s ease;
            height: 100%;
        }

        .jc-expert-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            transform: translateY(-4px);
        }

        .jc-expert-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--jc-primary-light), var(--jc-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: 0 0 18px rgba(46, 139, 255, 0.35);
            flex-shrink: 0;
        }

        .jc-expert-name {
            font-family: var(--jc-font-head);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .jc-expert-title {
            font-size: 0.85rem;
            color: var(--jc-cyan);
            margin-bottom: 12px;
        }

        .jc-expert-bio {
            font-size: 0.88rem;
            color: var(--jc-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex-grow: 1;
        }

        .jc-expert-stats {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            border-top: 1px solid var(--jc-border);
            padding-top: 12px;
        }

        .jc-expert-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Article list */
        .jc-article-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--jc-border);
            transition: all 0.25s ease;
        }

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

        .jc-article-item:hover {
            padding-left: 8px;
        }

        .jc-article-thumb {
            width: 120px;
            height: 84px;
            border-radius: var(--jc-radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--jc-border);
        }

        .jc-article-content {
            flex: 1;
            min-width: 0;
        }

        .jc-article-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--jc-text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .jc-article-title {
            font-family: var(--jc-font-head);
            font-size: 1.02rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .jc-article-title a {
            color: #fff;
            text-decoration: none;
        }

        .jc-article-title a:hover {
            color: var(--jc-ice);
            text-decoration: none;
        }

        .jc-article-excerpt {
            font-size: 0.88rem;
            color: var(--jc-text-secondary);
            line-height: 1.65;
            margin-bottom: 8px;
        }

        .jc-article-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--jc-cyan);
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: var(--jc-radius-xs);
            padding: 2px 8px;
            margin-right: 6px;
        }

        .jc-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .jc-read-more:hover {
            color: var(--jc-ice);
            text-decoration: none;
            gap: 8px;
        }

        /* Tags */
        .jc-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .jc-tag {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.82rem;
            color: var(--jc-text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .jc-tag:hover {
            color: #fff;
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.15);
            text-decoration: none;
        }

        /* Stats */
        .jc-stat-block {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            padding: 24px 32px;
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            backdrop-filter: blur(16px);
        }

        .jc-stat-item {
            text-align: center;
            min-width: 100px;
        }

        .jc-stat-number {
            font-family: var(--jc-font-head);
            font-size: 2rem;
            font-weight: 700;
            color: var(--jc-ice);
            line-height: 1.2;
            text-shadow: 0 0 18px rgba(94, 234, 212, 0.5);
        }

        .jc-stat-label {
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            margin-top: 4px;
        }

        /* Deep content */
        .jc-deep-content {
            max-width: 820px;
            margin: 0 auto;
        }

        .jc-deep-content h3 {
            font-family: var(--jc-font-head);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            margin-top: 28px;
        }

        .jc-deep-content p {
            font-size: 0.95rem;
            color: var(--jc-text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

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

        .jc-accordion .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }

        .jc-accordion .accordion-button:not(.collapsed) {
            background: rgba(46, 139, 255, 0.12);
            color: #fff;
            box-shadow: none;
        }

        .jc-accordion .accordion-button::after {
            filter: invert(1) brightness(0.8);
        }

        .jc-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-ice);
            outline-offset: -2px;
        }

        .jc-accordion .accordion-body {
            background: transparent;
            color: var(--jc-text-secondary);
            font-size: 0.88rem;
            line-height: 1.75;
            padding: 16px 22px 20px;
        }

        /* CTA section */
        .jc-cta-section {
            background: rgba(13, 43, 94, 0.35);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 48px 40px;
            text-align: center;
            backdrop-filter: blur(16px);
            position: relative;
            overflow: hidden;
        }

        .jc-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(56, 189, 248, 0.1) 0%, transparent 65%);
            pointer-events: none;
        }

        .jc-cta-section h2 {
            font-family: var(--jc-font-head);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .jc-cta-section p {
            font-size: 0.95rem;
            color: var(--jc-text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .jc-cta-section .jc-btn {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .jc-footer {
            background: #050a14;
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 32px;
            margin-top: 80px;
        }

        .jc-footer-brand {
            font-family: var(--jc-font-head);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .jc-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 16px 0;
        }

        .jc-footer-links a {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            text-decoration: none;
        }

        .jc-footer-links a:hover {
            color: var(--jc-ice);
            text-decoration: none;
        }

        .jc-footer-divider {
            height: 1px;
            background: var(--jc-border);
            margin: 16px 0;
        }

        .jc-footer-copy {
            font-size: 0.8rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .jc-nav-toggle {
                display: block;
            }

            .jc-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding-top: 12px;
                border-top: 1px solid var(--jc-border);
                margin-top: 12px;
            }

            .jc-nav.is-open {
                display: flex;
            }

            .jc-nav a {
                padding: 10px 14px;
                font-size: 0.95rem;
            }

            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }

            .jc-page-header h1 {
                font-size: 2rem;
            }

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

            .jc-stat-block {
                gap: 24px;
                padding: 20px;
            }

            .jc-stat-number {
                font-size: 1.6rem;
            }

            .jc-cta-section {
                padding: 36px 24px;
            }

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

        @media (max-width: 767px) {
            body {
                font-size: 15px;
                line-height: 1.7;
            }

            .jc-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .jc-page-header {
                padding: 32px 0 28px;
            }

            .jc-page-header h1 {
                font-size: 1.6rem;
            }

            .jc-page-header .jc-lead {
                font-size: 0.92rem;
            }

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

            .jc-section-sm {
                padding: 28px 0;
            }

            .jc-section-title {
                font-size: 1.35rem;
            }

            .jc-article-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 0;
            }

            .jc-article-thumb {
                width: 100%;
                height: 160px;
            }

            .jc-article-title {
                font-size: 0.95rem;
            }

            .jc-card-img {
                height: 160px;
            }

            .jc-stat-block {
                gap: 16px;
                padding: 16px;
                justify-content: center;
            }

            .jc-stat-item {
                min-width: 70px;
            }

            .jc-stat-number {
                font-size: 1.35rem;
            }

            .jc-cta-section {
                padding: 28px 18px;
            }

            .jc-cta-section h2 {
                font-size: 1.25rem;
            }

            .jc-footer {
                padding: 36px 0 24px;
                margin-top: 48px;
            }

            .jc-footer-links {
                gap: 10px;
            }

            .jc-expert-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .jc-page-header h1 {
                font-size: 1.4rem;
            }

            .jc-btn {
                padding: 8px 16px;
                font-size: 0.88rem;
            }

            .jc-btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }

            .jc-section-title {
                font-size: 1.2rem;
            }

            .jc-expert-stats {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category6 */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(7, 14, 26, 0.9) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(11, 21, 38, 0.7) 0%, transparent 45%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }
        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }
        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }
        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }
        .jc-nav-cta {
            margin-left: 12px;
        }
        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }
        .jc-nav-toggle:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 2px;
        }
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--jc-font-head);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: var(--jc-radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.28s ease;
            text-decoration: none;
            line-height: 1.4;
        }
        .jc-btn:hover {
            text-decoration: none;
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
        }
        .jc-btn-primary:hover {
            background: linear-gradient(135deg, #4a9dff, #5ecdf8);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }
        .jc-btn-secondary {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--jc-border);
            color: var(--jc-text);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .jc-btn-secondary:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }
        .jc-btn-sm {
            padding: 7px 16px;
            font-size: 0.85rem;
        }
        .jc-btn:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
        }
        .jc-page-header {
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--jc-border);
            position: relative;
            overflow: hidden;
        }
        .jc-page-header::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(46, 139, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .jc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .jc-breadcrumb a {
            color: var(--jc-text-secondary);
            text-decoration: none;
        }
        .jc-breadcrumb a:hover {
            color: var(--jc-ice);
        }
        .jc-breadcrumb .sep {
            color: var(--jc-text-muted);
            font-size: 0.7rem;
        }
        .jc-breadcrumb .current {
            color: var(--jc-cyan);
        }
        .jc-page-header h1 {
            font-family: var(--jc-font-head);
            font-size: 2.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .jc-page-header .lead {
            font-size: 1.08rem;
            color: var(--jc-text-secondary);
            max-width: 700px;
        }
        .jc-section {
            padding: 56px 0;
        }
        .jc-section-alt {
            background: rgba(11, 21, 38, 0.55);
            border-top: 1px solid var(--jc-border);
            border-bottom: 1px solid var(--jc-border);
        }
        .jc-section-title {
            font-family: var(--jc-font-head);
            font-size: 1.55rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-section-subtitle {
            color: var(--jc-text-secondary);
            font-size: 0.98rem;
            margin-bottom: 28px;
        }
        .jc-card {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            box-shadow: var(--jc-shadow);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .jc-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.5), 0 0 18px rgba(56, 189, 248, 0.22);
            transform: translateY(-4px);
        }
        .jc-card-body {
            padding: 22px 24px;
        }
        .jc-card-title {
            font-family: var(--jc-font-head);
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .jc-card-desc {
            font-size: 0.92rem;
            color: var(--jc-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .jc-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--jc-radius-xs);
            background: rgba(46, 139, 255, 0.16);
            color: var(--jc-cyan);
            border: 1px solid rgba(46, 139, 255, 0.25);
            white-space: nowrap;
        }
        .jc-badge-ice {
            background: rgba(94, 234, 212, 0.12);
            color: var(--jc-ice);
            border-color: rgba(94, 234, 212, 0.3);
        }
        .jc-badge-warm {
            background: rgba(255, 170, 70, 0.14);
            color: #ffc06a;
            border-color: rgba(255, 170, 70, 0.3);
        }
        .jc-list-item {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 20px 24px;
            transition: all 0.3s ease;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            margin-bottom: 14px;
        }
        .jc-list-item:hover {
            border-color: var(--jc-border-hover);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .jc-list-date {
            flex-shrink: 0;
            min-width: 64px;
            text-align: center;
            background: rgba(13, 43, 94, 0.7);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-xs);
            padding: 8px 10px;
            font-size: 0.8rem;
            color: var(--jc-cyan);
            font-weight: 600;
            line-height: 1.4;
        }
        .jc-list-content {
            flex: 1;
            min-width: 0;
        }
        .jc-list-title {
            font-family: var(--jc-font-head);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .jc-list-title a {
            color: #fff;
            text-decoration: none;
        }
        .jc-list-title a:hover {
            color: var(--jc-ice);
            text-decoration: none;
        }
        .jc-list-desc {
            font-size: 0.9rem;
            color: var(--jc-text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .jc-list-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .jc-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--jc-cyan);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .jc-read-more:hover {
            color: var(--jc-ice);
            text-decoration: none;
        }
        .jc-read-more::after {
            content: '→';
            transition: transform 0.25s ease;
        }
        .jc-read-more:hover::after {
            transform: translateX(4px);
        }
        .jc-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .jc-tag {
            display: inline-block;
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            color: var(--jc-text-secondary);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .jc-tag:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .jc-stat-block {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--jc-radius);
            background: rgba(13, 43, 94, 0.55);
            border: 1px solid var(--jc-border);
            transition: all 0.3s ease;
        }
        .jc-stat-block:hover {
            border-color: var(--jc-border-hover);
        }
        .jc-stat-num {
            font-family: var(--jc-font-head);
            font-size: 2rem;
            font-weight: 700;
            color: var(--jc-ice);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .jc-stat-label {
            font-size: 0.85rem;
            color: var(--jc-text-secondary);
        }
        .jc-accordion-item {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .jc-accordion-item:hover {
            border-color: var(--jc-border-hover);
        }
        .jc-accordion-btn {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 16px 20px;
            font-family: var(--jc-font-head);
            font-size: 0.98rem;
            font-weight: 700;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all 0.25s ease;
        }
        .jc-accordion-btn:hover {
            background: rgba(46, 139, 255, 0.08);
        }
        .jc-accordion-btn:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: -2px;
        }
        .jc-accordion-btn .icon {
            font-size: 1.1rem;
            color: var(--jc-cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .jc-accordion-item.open .jc-accordion-btn .icon {
            transform: rotate(45deg);
        }
        .jc-accordion-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .jc-accordion-item.open .jc-accordion-panel {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .jc-accordion-panel p {
            font-size: 0.9rem;
            color: var(--jc-text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        .jc-cta-section {
            background: linear-gradient(145deg, rgba(13, 43, 94, 0.85), rgba(11, 21, 38, 0.9));
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--jc-shadow);
        }
        .jc-cta-section h2 {
            font-family: var(--jc-font-head);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .jc-cta-section p {
            color: var(--jc-text-secondary);
            font-size: 0.95rem;
            max-width: 520px;
            margin: 0 auto 22px;
        }
        .jc-coverage-img {
            border-radius: var(--jc-radius);
            overflow: hidden;
            border: 1px solid var(--jc-border);
            box-shadow: var(--jc-shadow);
            position: relative;
        }
        .jc-coverage-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .jc-coverage-img:hover img {
            transform: scale(1.03);
        }
        .jc-coverage-img .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 20px 18px;
            background: linear-gradient(transparent, rgba(7, 14, 26, 0.9));
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
        }
        .jc-footer {
            background: rgba(3, 6, 12, 0.9);
            border-top: 1px solid var(--jc-border);
            padding: 36px 0 28px;
            margin-top: 40px;
        }
        .jc-footer-brand {
            font-family: var(--jc-font-head);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 18px;
            margin: 16px 0;
        }
        .jc-footer-links a {
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .jc-footer-links a:hover {
            color: var(--jc-cyan);
            text-decoration: none;
        }
        .jc-footer-divider {
            border-top: 1px solid var(--jc-border);
            margin: 16px 0;
        }
        .jc-footer-copy {
            color: var(--jc-text-muted);
            font-size: 0.8rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .jc-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--jc-cyan);
            text-decoration: none;
            padding: 8px 0;
        }
        .jc-more-link:hover {
            color: var(--jc-ice);
            text-decoration: none;
        }
        @media (max-width: 991.98px) {
            .jc-nav-toggle {
                display: inline-flex;
            }
            .jc-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding-top: 10px;
            }
            .jc-nav.open {
                display: flex;
            }
            .jc-nav a {
                padding: 10px 14px;
                font-size: 0.95rem;
            }
            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
            .jc-page-header h1 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 767.98px) {
            .jc-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .jc-section {
                padding: 40px 0;
            }
            .jc-page-header {
                padding: 36px 0 28px;
            }
            .jc-page-header h1 {
                font-size: 1.55rem;
            }
            .jc-page-header .lead {
                font-size: 0.95rem;
            }
            .jc-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }
            .jc-list-date {
                min-width: auto;
                text-align: left;
                display: inline-block;
                padding: 4px 10px;
                font-size: 0.75rem;
            }
            .jc-card-body {
                padding: 16px 18px;
            }
            .jc-cta-section {
                padding: 28px 20px;
            }
            .jc-cta-section h2 {
                font-size: 1.25rem;
            }
            .jc-coverage-img img {
                height: 180px;
            }
        }
        @media (max-width: 519.98px) {
            body {
                font-size: 15px;
            }
            .jc-section-title {
                font-size: 1.3rem;
            }
            .jc-stat-num {
                font-size: 1.5rem;
            }
            .jc-tag {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
        }

/* roulang page: category7 */
:root {
            --jc-bg: #070e1a;
            --jc-bg-secondary: #0b1526;
            --jc-primary: #0d2b5e;
            --jc-primary-light: #1a3b6f;
            --jc-blue: #2e8bff;
            --jc-cyan: #38bdf8;
            --jc-ice: #5eead4;
            --jc-text: rgba(235, 242, 255, 0.92);
            --jc-text-secondary: rgba(200, 215, 240, 0.68);
            --jc-text-muted: rgba(160, 180, 210, 0.48);
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-hover: rgba(56, 189, 248, 0.6);
            --jc-card-bg: rgba(255, 255, 255, 0.045);
            --jc-card-bg-solid: rgba(13, 28, 58, 0.85);
            --jc-radius: 16px;
            --jc-radius-sm: 10px;
            --jc-radius-xs: 6px;
            --jc-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 24px rgba(56, 189, 248, 0.45);
            --jc-font-head: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --jc-container: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--jc-font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--jc-text);
            background-color: var(--jc-bg);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(13, 43, 94, 0.4) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(46, 139, 255, 0.12) 0%, transparent 48%),
                radial-gradient(ellipse at 50% 100%, rgba(11, 21, 38, 0.75) 0%, transparent 52%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--jc-blue);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--jc-ice);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .jc-container {
            width: 100%;
            max-width: var(--jc-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .jc-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 14, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--jc-border);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        .jc-header.scrolled {
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .jc-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .jc-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--jc-font-head);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .jc-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .jc-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 0 14px rgba(46, 139, 255, 0.45);
        }
        .jc-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .jc-nav a {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            padding: 6px 12px;
            border-radius: 6px;
            text-decoration: none;
            position: relative;
            transition: all 0.22s ease;
        }
        .jc-nav a:hover {
            color: #fff;
            background: rgba(46, 139, 255, 0.12);
            text-decoration: none;
        }
        .jc-nav a.active {
            color: #fff;
            background: rgba(46, 139, 255, 0.18);
        }
        .jc-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--jc-ice);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(94, 234, 212, 0.7);
        }
        .jc-nav-cta {
            margin-left: 12px;
        }
        .jc-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--jc-border);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .jc-nav-toggle:hover {
            border-color: var(--jc-cyan);
            background: rgba(46, 139, 255, 0.12);
        }
        .jc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--jc-radius-sm);
            font-weight: 600;
            font-size: 0.96rem;
            line-height: 1.5;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .jc-btn:hover {
            text-decoration: none;
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, var(--jc-blue), var(--jc-cyan));
            color: #fff;
            border-color: rgba(56, 189, 248, 0.35);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.5), 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        .jc-btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 26px rgba(56, 189, 248, 0.7), 0 12px 26px rgba(0, 0, 0, 0.35);
            background: linear-gradient(135deg, #3b96ff, #45cfff);
        }
        .jc-btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--jc-text);
            border-color: var(--jc-border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .jc-btn-secondary:hover {
            color: #fff;
            border-color: var(--jc-blue);
            background: rgba(46, 139, 255, 0.15);
            transform: translateY(-2px);
        }
        .jc-btn-sm {
            padding: 7px 14px;
            font-size: 0.86rem;
            border-radius: 8px;
        }
        .jc-section {
            padding: 64px 0;
            position: relative;
        }
        .jc-section-alt {
            background: rgba(11, 21, 38, 0.55);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .jc-section-heading {
            margin-bottom: 40px;
        }
        .jc-section-heading h2 {
            font-family: var(--jc-font-head);
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-section-heading p {
            color: var(--jc-text-secondary);
            font-size: 1rem;
            max-width: 720px;
            margin: 0;
        }
        .jc-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(46, 139, 255, 0.14);
            color: var(--jc-cyan);
            border: 1px solid rgba(46, 139, 255, 0.25);
        }
        .jc-badge-hot {
            background: rgba(94, 234, 212, 0.12);
            color: var(--jc-ice);
            border-color: rgba(94, 234, 212, 0.32);
            box-shadow: 0 0 12px rgba(94, 234, 212, 0.25);
        }
        .jc-card {
            background: var(--jc-card-bg);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius);
            padding: 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--jc-shadow);
            transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
            height: 100%;
        }
        .jc-card:hover {
            transform: translateY(-4px);
            border-color: var(--jc-border-hover);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 22px rgba(56, 189, 248, 0.18);
        }
        .jc-card-media {
            border-radius: var(--jc-radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            background: rgba(13, 28, 58, 0.6);
        }
        .jc-card-media img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .jc-card:hover .jc-card-media img {
            transform: scale(1.04);
        }
        .jc-card h3 {
            font-family: var(--jc-font-head);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .jc-card p {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        .jc-text-muted {
            color: var(--jc-text-muted) !important;
        }
        .jc-text-secondary {
            color: var(--jc-text-secondary) !important;
        }
        .jc-search-input {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.95rem;
            width: 100%;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .jc-search-input::placeholder {
            color: var(--jc-text-muted);
        }
        .jc-search-input:focus {
            border-color: var(--jc-blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 139, 255, 0.2), 0 0 18px rgba(46, 139, 255, 0.32);
        }
        .jc-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            margin-bottom: 16px;
        }
        .jc-breadcrumb a {
            color: var(--jc-text-secondary);
            text-decoration: none;
        }
        .jc-breadcrumb a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
        }
        .jc-breadcrumb span {
            color: var(--jc-text-muted);
        }
        .jc-page-hero {
            padding: 60px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .jc-page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/310cd29eefb07c60.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .jc-page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .jc-page-hero h1 {
            font-family: var(--jc-font-head);
            font-size: 2.7rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            text-shadow: 0 4px 28px rgba(0, 0, 0, 0.45);
        }
        .jc-page-hero p {
            font-size: 1.05rem;
            color: var(--jc-text-secondary);
            margin: 0;
        }
        .jc-focus-card {
            background: linear-gradient(150deg, rgba(13, 43, 94, 0.9), rgba(7, 14, 26, 0.7));
            border: 1px solid rgba(56, 189, 248, 0.28);
            border-radius: var(--jc-radius);
            overflow: hidden;
            box-shadow: var(--jc-shadow);
            height: 100%;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }
        .jc-focus-card:hover {
            border-color: var(--jc-border-hover);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4), 0 0 28px rgba(56, 189, 248, 0.22);
            transform: translateY(-4px);
        }
        .jc-focus-card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .jc-focus-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .jc-focus-card:hover .jc-focus-card-media img {
            transform: scale(1.05);
        }
        .jc-focus-card-body {
            padding: 24px;
        }
        .jc-focus-card-body h3 {
            font-family: var(--jc-font-head);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .jc-focus-card-body p {
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        .jc-list-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
            height: 100%;
        }
        .jc-list-card:hover {
            border-color: var(--jc-border-hover);
            background: rgba(46, 139, 255, 0.08);
            transform: translateX(4px);
        }
        .jc-list-card-title {
            font-family: var(--jc-font-head);
            font-size: 1.06rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
        }
        .jc-list-card-title a {
            color: #fff;
            text-decoration: none;
        }
        .jc-list-card-title a:hover {
            color: var(--jc-ice);
            text-decoration: underline;
        }
        .jc-list-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.83rem;
            color: var(--jc-text-muted);
        }
        .jc-list-card-desc {
            color: var(--jc-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .jc-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.76rem;
            font-weight: 500;
            background: rgba(46, 139, 255, 0.12);
            color: var(--jc-cyan);
            border: 1px solid rgba(46, 139, 255, 0.22);
            transition: all 0.2s ease;
        }
        .jc-tag:hover {
            background: rgba(46, 139, 255, 0.22);
            color: #fff;
            border-color: var(--jc-cyan);
        }
        .jc-faq {
            max-width: 860px;
        }
        .jc-accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .jc-accordion-item:hover {
            border-color: rgba(56, 189, 248, 0.35);
            background: rgba(255, 255, 255, 0.055);
        }
        .jc-accordion-btn {
            background: none;
            border: none;
            width: 100%;
            padding: 18px 22px;
            text-align: left;
            font-family: var(--jc-font-head);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color 0.25s ease;
        }
        .jc-accordion-btn:hover {
            color: var(--jc-ice);
        }
        .jc-accordion-btn .jc-faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(46, 139, 255, 0.14);
            color: var(--jc-cyan);
            font-size: 1.1rem;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .jc-accordion-btn[aria-expanded="true"] .jc-faq-icon {
            transform: rotate(45deg);
            background: rgba(94, 234, 212, 0.18);
            color: var(--jc-ice);
        }
        .jc-accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .jc-accordion-body-inner {
            padding: 0 22px 20px;
            color: var(--jc-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .jc-cta {
            background: linear-gradient(145deg, rgba(13, 43, 94, 0.9), rgba(7, 14, 26, 0.85));
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: var(--jc-radius);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--jc-shadow);
            position: relative;
            overflow: hidden;
        }
        .jc-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.14), transparent 62%);
            pointer-events: none;
        }
        .jc-cta h2 {
            font-family: var(--jc-font-head);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .jc-cta p {
            color: var(--jc-text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }
        .jc-cta .jc-btn {
            position: relative;
            z-index: 2;
        }
        .jc-footer {
            background: rgba(4, 8, 16, 0.85);
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 32px;
        }
        .jc-footer-brand {
            font-family: var(--jc-font-head);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .jc-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            margin: 16px 0;
        }
        .jc-footer-links a {
            color: var(--jc-text-muted);
            font-size: 0.87rem;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .jc-footer-links a:hover {
            color: var(--jc-cyan);
            text-decoration: underline;
        }
        .jc-footer-divider {
            height: 1px;
            background: var(--jc-border);
            margin: 20px 0;
        }
        .jc-footer-copy {
            color: var(--jc-text-muted);
            font-size: 0.82rem;
            line-height: 1.8;
            margin: 0;
        }
        @media (max-width: 992px) {
            .jc-nav-toggle {
                display: inline-flex;
            }
            .jc-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding-top: 12px;
            }
            .jc-nav.is-open {
                display: flex;
            }
            .jc-nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .jc-page-hero h1 {
                font-size: 2.1rem;
            }
            .jc-section {
                padding: 48px 0;
            }
        }
        @media (max-width: 768px) {
            .jc-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .jc-page-hero h1 {
                font-size: 1.7rem;
            }
            .jc-section-heading h2 {
                font-size: 1.5rem;
            }
            .jc-cta {
                padding: 36px 20px;
            }
            .jc-cta h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .jc-page-hero h1 {
                font-size: 1.5rem;
            }
            .jc-list-card {
                padding: 16px;
            }
            .jc-focus-card-body {
                padding: 18px;
            }
            .jc-footer-links {
                gap: 6px 12px;
            }
        }

/* 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}