/* roulang page: index */
:root {
            --jc-bg-deep: #0A0F1E;
            --jc-bg-base: #0C1528;
            --jc-bg-card: #101D36;
            --jc-bg-card-2: #0E1830;
            --jc-cyan: #00D4FF;
            --jc-cyan-glow: rgba(0, 224, 255, 0.35);
            --jc-warm: #FFB547;
            --jc-green: #38D9A9;
            --jc-red: #FF5A6E;
            --jc-text: #E8EDF7;
            --jc-text-muted: #9AA7BD;
            --jc-text-weak: #6B7A90;
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-strong: rgba(255, 255, 255, 0.22);
            --jc-radius-card: 20px;
            --jc-radius-btn: 12px;
            --jc-radius-input: 11px;
            --jc-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 18px rgba(0, 224, 255, 0.35);
            --jc-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --jc-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', monospace;
            --jc-section-pad: 88px;
        }

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

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

        body {
            font-family: var(--jc-font-sans);
            background: var(--jc-bg-deep);
            color: var(--jc-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--jc-cyan);
            transition: color 0.2s ease;
        }
        a:hover {
            color: #66E8FF;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--jc-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        /* ========== NAVBAR ========== */
        .jc-navbar {
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jc-border);
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .jc-navbar.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }
        .jc-navbar .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }
        .jc-navbar .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
            flex-shrink: 0;
        }
        .jc-navbar .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .jc-navbar .navbar-brand .brand-text .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }
        .jc-navbar .navbar-brand .brand-text .brand-sub {
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
        }
        .jc-navbar .nav-link {
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }
        .jc-navbar .nav-link:hover,
        .jc-navbar .nav-link.active {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
        }
        .jc-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }
        .jc-navbar .navbar-toggler {
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--jc-text);
            background: rgba(255, 255, 255, 0.04);
        }
        .jc-navbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
        }
        .jc-navbar .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jc-text);
            font-size: 1.3rem;
        }
        .jc-navbar .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }
        .jc-nav-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 10px;
            padding: 6px 14px;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            min-width: 150px;
        }
        .jc-nav-search:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            color: var(--jc-text);
            outline: none;
        }

        /* ========== HERO ========== */
        .jc-hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 72px 0 72px;
            overflow: hidden;
            isolation: isolate;
        }
        .jc-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.96) 25%, rgba(12, 21, 40, 0.85) 55%, rgba(10, 15, 30, 0.92) 100%);
            z-index: -1;
        }
        .jc-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 160px;
            background: linear-gradient(to top, var(--jc-bg-deep), transparent);
            z-index: -1;
        }
        .jc-hero .hero-grid-pattern {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 212, 255, 0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 212, 255, 0.06) 1px, transparent 1px);
            background-size: 48px 48px;
            z-index: -1;
            pointer-events: none;
        }
        .jc-countdown-bar {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 14px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .jc-countdown-bar .label {
            font-weight: 600;
            color: var(--jc-warm);
            font-size: 0.82rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }
        .jc-countdown-bar .timer {
            font-family: var(--jc-font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .jc-countdown-bar .timer span {
            background: rgba(0, 212, 255, 0.15);
            border-radius: 6px;
            padding: 2px 8px;
            min-width: 34px;
            text-align: center;
        }
        .jc-hero h1 {
            font-size: 3.25rem;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 1.1rem;
            letter-spacing: 0.5px;
        }
        .jc-hero h1 .highlight {
            background: linear-gradient(135deg, var(--jc-cyan), #66E8FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .jc-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--jc-text-muted);
            max-width: 620px;
            line-height: 1.85;
            margin-bottom: 2rem;
        }
        .jc-hero .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 2.2rem;
        }
        .jc-hero .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .jc-hero .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .jc-hero .hero-stats .stat-value {
            font-family: var(--jc-font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--jc-cyan);
        }
        .jc-hero .hero-stats .stat-label {
            font-size: 0.8rem;
            color: var(--jc-text-weak);
        }

        /* ========== BUTTONS ========== */
        .btn-jc-primary {
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            color: #fff;
            border: none;
            border-radius: var(--jc-radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all 0.25s ease;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-jc-primary:hover {
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
            transform: translateY(-2px);
            color: #fff;
            background: linear-gradient(135deg, #22DDFF, #0099DD);
        }
        .btn-jc-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(0, 212, 255, 0.3);
        }
        .btn-jc-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--jc-text);
            border: 1px solid var(--jc-border-strong);
            border-radius: var(--jc-radius-btn);
            padding: 12px 28px;
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all 0.25s ease;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-jc-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.35);
            color: var(--jc-text);
            transform: translateY(-2px);
        }
        .btn-jc-secondary:active {
            transform: translateY(0);
        }
        .btn-jc-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 9px;
        }
        .btn-jc-link {
            background: none;
            border: none;
            color: var(--jc-cyan);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s ease;
        }
        .btn-jc-link:hover {
            color: #66E8FF;
        }

        /* ========== SECTIONS ========== */
        .jc-section {
            padding: var(--jc-section-pad) 0;
            position: relative;
        }
        .jc-section-alt {
            background: var(--jc-bg-base);
        }
        .jc-section-deep {
            background: var(--jc-bg-deep);
        }
        .jc-section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.9rem;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .jc-section-sub {
            font-size: 1rem;
            color: var(--jc-text-muted);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 2.4rem;
        }
        .jc-section-header {
            margin-bottom: 2.6rem;
        }
        .jc-section-header .jc-section-title {
            margin-bottom: 0.6rem;
        }

        /* ========== GLASS CARDS ========== */
        .jc-glass-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 28px 24px;
            transition: all 0.3s ease;
            height: 100%;
        }
        .jc-glass-card:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: var(--jc-border-strong);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
            transform: translateY(-4px);
        }
        .jc-glass-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 212, 255, 0.12);
            color: var(--jc-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }
        .jc-glass-card .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .jc-glass-card .card-text {
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            line-height: 1.75;
        }

        /* ========== PAIN POINTS ========== */
        .jc-pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .jc-pain-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 90, 110, 0.2);
            border-radius: 16px;
            padding: 22px 20px;
            transition: all 0.3s ease;
        }
        .jc-pain-card:hover {
            background: rgba(255, 90, 110, 0.06);
            border-color: rgba(255, 90, 110, 0.4);
            transform: translateY(-3px);
        }
        .jc-pain-card .pain-tag {
            display: inline-block;
            background: rgba(255, 90, 110, 0.15);
            color: var(--jc-red);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .jc-pain-card .pain-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .jc-pain-card .pain-text {
            font-size: 0.87rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
        }

        /* ========== SOLUTION CARDS ========== */
        .jc-solution-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }
        .jc-solution-card-main {
            grid-column: span 7;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--jc-border-strong);
            border-radius: var(--jc-radius-card);
            padding: 32px 28px;
            backdrop-filter: blur(14px);
            transition: all 0.3s ease;
        }
        .jc-solution-card-main:hover {
            border-color: rgba(0, 212, 255, 0.45);
            box-shadow: var(--jc-shadow-glow);
            transform: translateY(-4px);
        }
        .jc-solution-card-side {
            grid-column: span 5;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 24px 22px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .jc-solution-card-side:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--jc-border-strong);
            transform: translateY(-3px);
        }
        .jc-solution-card-side.side-warm {
            border-color: rgba(255, 181, 71, 0.3);
        }
        .jc-solution-card-side.side-green {
            border-color: rgba(56, 217, 169, 0.3);
        }

        /* ========== STEPS ========== */
        .jc-steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }
        .jc-step-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 16px;
            padding: 24px 20px;
            position: relative;
            transition: all 0.3s ease;
            counter-increment: step-counter;
        }
        .jc-step-item:hover {
            border-color: rgba(0, 212, 255, 0.35);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-3px);
        }
        .jc-step-item .step-num {
            font-family: var(--jc-font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--jc-cyan);
            letter-spacing: 2px;
            margin-bottom: 10px;
            display: block;
        }
        .jc-step-item .step-num::before {
            content: 'STEP ';
            font-size: 0.7rem;
            letter-spacing: 1.5px;
        }
        .jc-step-item .step-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .jc-step-item .step-text {
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
        }

        /* ========== DATA STRIP ========== */
        .jc-data-strip {
            background: rgba(0, 212, 255, 0.05);
            border: 1px solid rgba(0, 212, 255, 0.15);
            border-radius: var(--jc-radius-card);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            position: relative;
            overflow: hidden;
        }
        .jc-data-strip::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.06), transparent);
            pointer-events: none;
        }
        .jc-data-strip .data-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 120px;
        }
        .jc-data-strip .data-value {
            font-family: var(--jc-font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--jc-cyan);
        }
        .jc-data-strip .data-label {
            font-size: 0.82rem;
            color: var(--jc-text-muted);
        }

        /* ========== DEEP CONTENT ========== */
        .jc-deep-article {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 36px 32px;
            margin-bottom: 24px;
        }
        .jc-deep-article h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.2rem;
            line-height: 1.4;
        }
        .jc-deep-article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--jc-cyan);
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        .jc-deep-article p {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            line-height: 1.9;
            margin-bottom: 1rem;
        }
        .jc-deep-article .article-image {
            border-radius: 14px;
            overflow: hidden;
            margin: 1.2rem 0;
        }
        .jc-deep-article .article-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: 14px;
        }

        /* ========== TESTIMONIALS ========== */
        .jc-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        .jc-testimonial-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 16px;
            padding: 20px 18px;
            transition: all 0.3s ease;
        }
        .jc-testimonial-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--jc-border-strong);
            transform: translateY(-3px);
        }
        .jc-testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--jc-text);
            line-height: 1.75;
            margin-bottom: 12px;
            font-style: italic;
        }
        .jc-testimonial-card .author {
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            font-weight: 500;
        }

        /* ========== SCENES ========== */
        .jc-scene-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .jc-scene-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 14px;
            padding: 18px 20px;
            transition: all 0.3s ease;
        }
        .jc-scene-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--jc-border-strong);
            transform: translateX(4px);
        }
        .jc-scene-item .scene-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--jc-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .jc-scene-item .scene-body .scene-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .jc-scene-item .scene-body .scene-desc {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            line-height: 1.65;
        }

        /* ========== NEWS CARDS ========== */
        .jc-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .jc-news-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .jc-news-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
            transform: translateY(-4px);
        }
        .jc-news-card .news-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .jc-news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .jc-news-card:hover .news-img img {
            transform: scale(1.05);
        }
        .jc-news-card .news-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 15, 30, 0.85);
            border: 1px solid var(--jc-border);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 0.7rem;
            font-family: var(--jc-font-mono);
            color: var(--jc-cyan);
            font-weight: 500;
            backdrop-filter: blur(8px);
        }
        .jc-news-card .news-body {
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .jc-news-card .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .jc-news-card .news-summary {
            font-size: 0.83rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .jc-news-card .news-link {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--jc-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.2s ease;
        }
        .jc-news-card .news-link:hover {
            color: #66E8FF;
        }

        /* ========== METRICS PANEL ========== */
        .jc-metrics-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .jc-metric-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 14px;
            padding: 22px 18px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .jc-metric-card:hover {
            border-color: rgba(0, 212, 255, 0.35);
            background: rgba(0, 212, 255, 0.06);
            transform: translateY(-3px);
        }
        .jc-metric-card .metric-value {
            font-family: var(--jc-font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--jc-cyan);
            display: block;
            margin-bottom: 4px;
        }
        .jc-metric-card .metric-label {
            font-size: 0.82rem;
            color: var(--jc-text-muted);
        }
        .jc-metric-card.metric-warm .metric-value {
            color: var(--jc-warm);
        }
        .jc-metric-card.metric-green .metric-value {
            color: var(--jc-green);
        }

        /* ========== BRAND INTRO ========== */
        .jc-brand-intro {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 32px 28px;
            max-width: 860px;
            margin: 0 auto;
        }
        .jc-brand-intro p {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            line-height: 1.9;
            margin-bottom: 0.8rem;
        }
        .jc-brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .jc-faq-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .jc-faq-accordion .accordion-button {
            background: transparent;
            color: var(--jc-text);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 18px 20px;
            border-radius: 14px !important;
            box-shadow: none;
            transition: all 0.25s ease;
        }
        .jc-faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 212, 255, 0.1);
            color: var(--jc-cyan);
            box-shadow: none;
        }
        .jc-faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
            border-color: var(--jc-cyan);
        }
        .jc-faq-accordion .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--jc-cyan);
            transform: none;
            width: auto;
            height: auto;
            line-height: 1;
        }
        .jc-faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\2212';
            transform: none;
            color: var(--jc-cyan);
        }
        .jc-faq-accordion .accordion-body {
            background: rgba(255, 255, 255, 0.02);
            color: var(--jc-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 16px 20px 20px;
        }

        /* ========== TOPIC ENTRY ========== */
        .jc-topic-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .jc-topic-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 14px;
            padding: 18px 14px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            display: block;
            color: var(--jc-text);
        }
        .jc-topic-card:hover {
            background: rgba(0, 212, 255, 0.08);
            border-color: rgba(0, 212, 255, 0.4);
            transform: translateY(-4px);
            color: var(--jc-cyan);
        }
        .jc-topic-card .topic-icon {
            font-size: 1.5rem;
            color: var(--jc-cyan);
            margin-bottom: 8px;
        }
        .jc-topic-card .topic-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
        }
        .jc-topic-card:hover .topic-name {
            color: var(--jc-cyan);
        }

        /* ========== CTA SECTION ========== */
        .jc-cta-section {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 136, 204, 0.08));
            border: 1px solid rgba(0, 212, 255, 0.25);
            border-radius: var(--jc-radius-card);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .jc-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08), transparent 70%);
            pointer-events: none;
        }
        .jc-cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .jc-cta-section p {
            font-size: 1rem;
            color: var(--jc-text-muted);
            max-width: 560px;
            margin: 0 auto 1.6rem;
            line-height: 1.75;
        }
        .jc-cta-section .cta-form {
            max-width: 480px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .jc-cta-section .cta-input {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-input);
            padding: 12px 16px;
            color: var(--jc-text);
            font-size: 0.9rem;
            font-family: var(--jc-font-sans);
        }
        .jc-cta-section .cta-input:focus {
            outline: none;
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
        }
        .jc-cta-section .cta-input::placeholder {
            color: var(--jc-text-weak);
        }

        /* ========== FOOTER ========== */
        .jc-footer {
            background: #060A14;
            border-top: 1px solid var(--jc-border);
            padding: 52px 0 24px;
            margin-top: 0;
        }
        .jc-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .jc-footer .footer-brand .brand-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
        }
        .jc-footer .footer-desc {
            font-size: 0.85rem;
            color: var(--jc-text-weak);
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }
        .jc-footer .footer-links h6 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.9rem;
        }
        .jc-footer .footer-links a {
            display: block;
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            margin-bottom: 0.5rem;
            transition: color 0.2s ease;
        }
        .jc-footer .footer-links a:hover {
            color: var(--jc-cyan);
        }
        .jc-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2.6rem;
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.78rem;
            color: var(--jc-text-weak);
        }
        .jc-footer .footer-bottom a {
            color: var(--jc-text-muted);
            font-size: 0.78rem;
        }
        .jc-footer .footer-bottom a:hover {
            color: var(--jc-cyan);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --jc-section-pad: 64px;
            }
            .jc-hero h1 {
                font-size: 2.6rem;
            }
            .jc-steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .jc-news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .jc-topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .jc-solution-card-main {
                grid-column: span 12;
            }
            .jc-solution-card-side {
                grid-column: span 6;
            }
            .jc-metrics-panel {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --jc-section-pad: 48px;
            }
            .jc-navbar .navbar-brand {
                margin-right: 0;
                font-size: 1.2rem;
            }
            .jc-navbar .navbar-brand .brand-text .brand-name {
                font-size: 1.05rem;
            }
            .jc-navbar .nav-link {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
            .jc-nav-search {
                min-width: 100%;
                margin-top: 8px;
            }
            .jc-hero {
                min-height: auto;
                padding: 48px 0 56px;
            }
            .jc-hero h1 {
                font-size: 2rem;
            }
            .jc-hero .hero-sub {
                font-size: 0.95rem;
            }
            .jc-hero .hero-stats {
                gap: 16px;
            }
            .jc-hero .hero-stats .stat-value {
                font-size: 1.2rem;
            }
            .jc-countdown-bar {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 8px 14px;
            }
            .jc-countdown-bar .timer {
                font-size: 1.1rem;
            }
            .jc-section-title {
                font-size: 1.55rem;
            }
            .jc-section-sub {
                font-size: 0.9rem;
                margin-bottom: 1.6rem;
            }
            .jc-glass-card {
                padding: 20px 16px;
            }
            .jc-pain-grid,
            .jc-testimonial-grid {
                grid-template-columns: 1fr;
            }
            .jc-steps-grid {
                grid-template-columns: 1fr;
            }
            .jc-news-grid {
                grid-template-columns: 1fr;
            }
            .jc-topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .jc-solution-card-side {
                grid-column: span 12;
            }
            .jc-metrics-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .jc-metric-card .metric-value {
                font-size: 1.4rem;
            }
            .jc-deep-article {
                padding: 24px 18px;
            }
            .jc-deep-article h3 {
                font-size: 1.25rem;
            }
            .jc-cta-section {
                padding: 32px 20px;
            }
            .jc-cta-section h2 {
                font-size: 1.4rem;
            }
            .jc-footer {
                padding: 36px 0 20px;
            }
            .jc-data-strip .data-value {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .jc-hero h1 {
                font-size: 1.7rem;
            }
            .jc-hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
            .btn-jc-primary,
            .btn-jc-secondary {
                width: 100%;
                justify-content: center;
            }
            .jc-topic-grid {
                grid-template-columns: 1fr;
            }
            .jc-metrics-panel {
                grid-template-columns: 1fr;
            }
            .jc-footer .footer-bottom {
                text-align: center;
            }
            .jc-countdown-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* image hover zoom */
        .jc-news-card .news-img {
            position: relative;
            overflow: hidden;
        }

/* roulang page: category3 */
:root {
            --jc-bg-deep: #0A0F1E;
            --jc-bg-base: #0C1528;
            --jc-bg-card: #101D36;
            --jc-bg-card-2: #0E1830;
            --jc-cyan: #00D4FF;
            --jc-cyan-glow: rgba(0, 224, 255, 0.35);
            --jc-warm: #FFB547;
            --jc-green: #38D9A9;
            --jc-red: #FF5A6E;
            --jc-text: #E8EDF7;
            --jc-text-muted: #9AA7BD;
            --jc-text-weak: #6B7A90;
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-strong: rgba(255, 255, 255, 0.22);
            --jc-radius-card: 20px;
            --jc-radius-btn: 12px;
            --jc-radius-input: 11px;
            --jc-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 18px rgba(0, 224, 255, 0.35);
            --jc-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --jc-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', monospace;
            --jc-section-pad: 88px;
        }

        @media (max-width: 992px) {
            :root {
                --jc-section-pad: 64px;
            }
        }

        @media (max-width: 576px) {
            :root {
                --jc-section-pad: 48px;
            }
        }

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

        body {
            font-family: var(--jc-font-sans);
            background: var(--jc-bg-deep);
            color: var(--jc-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--jc-cyan);
            transition: color 0.2s ease;
        }

        a:hover {
            color: #66E8FF;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--jc-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        /* ========== NAVBAR ========== */
        .jc-navbar {
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jc-border);
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-navbar.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .jc-navbar .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }

        .jc-navbar .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
            flex-shrink: 0;
        }

        .jc-navbar .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .jc-navbar .navbar-brand .brand-text .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        .jc-navbar .navbar-brand .brand-text .brand-sub {
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
        }

        .jc-navbar .nav-link {
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }

        .jc-navbar .nav-link:hover,
        .jc-navbar .nav-link.active {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
        }

        .jc-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }

        .jc-navbar .navbar-toggler {
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--jc-text);
            background: rgba(255, 255, 255, 0.04);
        }

        .jc-navbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
        }

        .jc-navbar .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jc-text);
            font-size: 1.3rem;
        }

        .jc-navbar .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        .jc-nav-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 10px;
            padding: 6px 14px;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            min-width: 150px;
        }

        .jc-nav-search:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
            outline: none;
            color: var(--jc-text);
        }

        .jc-nav-search::placeholder {
            color: var(--jc-text-weak);
        }

        @media (max-width: 992px) {
            .jc-navbar .navbar-brand {
                margin-right: 0;
            }
            .jc-navbar .navbar-collapse {
                background: rgba(10, 15, 30, 0.98);
                border-radius: 12px;
                padding: 16px;
                margin-top: 8px;
                border: 1px solid var(--jc-border);
            }
            .jc-navbar .nav-link {
                padding: 10px 14px;
                font-size: 0.95rem;
            }
        }

        /* ========== BREADCRUMB ========== */
        .jc-breadcrumb-wrap {
            padding: 28px 0 0;
            background: transparent;
        }

        .jc-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            margin-bottom: 0;
            padding: 0;
            list-style: none;
        }

        .jc-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .jc-breadcrumb li + li::before {
            content: '/';
            color: var(--jc-text-weak);
            font-size: 0.8rem;
            margin-right: 4px;
        }

        .jc-breadcrumb a {
            color: var(--jc-text-muted);
            transition: color 0.2s ease;
        }

        .jc-breadcrumb a:hover {
            color: var(--jc-cyan);
        }

        .jc-breadcrumb .current {
            color: var(--jc-text);
            font-weight: 500;
            pointer-events: none;
        }

        .jc-back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--jc-cyan);
            margin-top: 10px;
            transition: color 0.2s ease;
        }

        .jc-back-link:hover {
            color: #66E8FF;
        }

        /* ========== CATEGORY HEADER ========== */
        .jc-cat-header {
            padding: 20px 0 42px;
            position: relative;
        }

        .jc-cat-header .cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.25);
            color: var(--jc-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .jc-cat-header h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .jc-cat-header .cat-lead {
            font-size: 1.05rem;
            color: var(--jc-text-muted);
            max-width: 760px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .jc-cat-header h1 {
                font-size: 1.8rem;
            }
            .jc-cat-header .cat-lead {
                font-size: 0.95rem;
            }
        }

        /* ========== STEP FLOW ========== */
        .jc-step-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .jc-step-item {
            flex: 1 1 220px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: 16px;
            padding: 18px 20px;
            transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
        }

        .jc-step-item:hover {
            border-color: rgba(0, 212, 255, 0.4);
            background: rgba(0, 212, 255, 0.05);
            transform: translateY(-3px);
        }

        .jc-step-num {
            font-family: var(--jc-font-mono);
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--jc-cyan);
            letter-spacing: 1px;
            display: block;
            margin-bottom: 8px;
        }

        .jc-step-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--jc-text);
            margin-bottom: 6px;
        }

        .jc-step-desc {
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== ARTICLE CARDS LIST ========== */
        .jc-card-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .jc-card-item {
            display: flex;
            gap: 24px;
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
            position: relative;
        }

        .jc-card-item:hover {
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 212, 255, 0.12);
            transform: translateY(-4px);
        }

        .jc-card-item .card-img {
            flex: 0 0 280px;
            width: 280px;
            min-height: 190px;
            background: var(--jc-bg-card-2);
            overflow: hidden;
            position: relative;
        }

        .jc-card-item .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .jc-card-item .card-body-custom {
            flex: 1;
            padding: 22px 26px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .jc-card-item .card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            margin-bottom: 10px;
        }

        .jc-card-item .card-meta .tag {
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.2);
            color: var(--jc-cyan);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .jc-card-item .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--jc-text);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color 0.2s ease;
        }

        .jc-card-item:hover .card-title {
            color: var(--jc-cyan);
        }

        .jc-card-item .card-excerpt {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .jc-card-item .card-link {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--jc-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .jc-card-item .card-link:hover {
            color: #66E8FF;
            gap: 10px;
        }

        @media (max-width: 768px) {
            .jc-card-item {
                flex-direction: column;
            }
            .jc-card-item .card-img {
                flex: 0 0 auto;
                width: 100%;
                min-height: 200px;
            }
            .jc-card-item .card-body-custom {
                padding: 18px 20px;
            }
        }

        /* ========== VIEW MORE ========== */
        .jc-view-more {
            display: flex;
            justify-content: center;
            margin-top: 36px;
        }

        .jc-view-more .btn-outline-cyan {
            background: transparent;
            border: 1px solid var(--jc-border-strong);
            color: var(--jc-text);
            padding: 10px 28px;
            border-radius: var(--jc-radius-btn);
            font-weight: 500;
            font-size: 0.92rem;
            transition: all 0.3s ease;
        }

        .jc-view-more .btn-outline-cyan:hover {
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
        }

        /* ========== SECTION HEADERS ========== */
        .jc-section {
            padding: var(--jc-section-pad) 0;
        }

        .jc-section:nth-child(even) {
            background: rgba(255, 255, 255, 0.015);
        }

        .jc-section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
            line-height: 1.35;
        }

        .jc-section-sub {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .jc-section-title {
                font-size: 1.35rem;
            }
        }

        /* ========== DEEP READ BLOCK ========== */
        .jc-deep-read {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .jc-deep-read-card {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-deep-read-card:hover {
            border-color: rgba(0, 212, 255, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--jc-shadow);
        }

        .jc-deep-read-card .deep-img {
            height: 180px;
            overflow: hidden;
            background: var(--jc-bg-card-2);
        }

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

        .jc-deep-read-card:hover .deep-img img {
            transform: scale(1.05);
        }

        .jc-deep-read-card .deep-body {
            padding: 20px 22px;
        }

        .jc-deep-read-card .deep-tag {
            font-size: 0.75rem;
            color: var(--jc-warm);
            font-weight: 600;
            letter-spacing: 0.5px;
            display: block;
            margin-bottom: 8px;
        }

        .jc-deep-read-card .deep-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--jc-text);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .jc-deep-read-card .deep-excerpt {
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FILTER ZONE ========== */
        .jc-filter-panel {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 26px 28px;
        }

        .jc-filter-panel .filter-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .jc-filter-panel .filter-label {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            font-weight: 500;
            margin-right: 8px;
            white-space: nowrap;
        }

        .jc-filter-btn {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            color: var(--jc-text-muted);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .jc-filter-btn:hover {
            border-color: rgba(0, 212, 255, 0.4);
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.06);
        }

        .jc-filter-btn.active {
            background: rgba(0, 212, 255, 0.15);
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
        }

        .jc-filter-result {
            margin-top: 20px;
            padding-top: 18px;
            border-top: 1px solid var(--jc-border);
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
        }

        .jc-filter-result .result-highlight {
            color: var(--jc-cyan);
            font-weight: 600;
            font-family: var(--jc-font-mono);
        }

        @media (max-width: 576px) {
            .jc-filter-panel {
                padding: 18px 16px;
            }
            .jc-filter-btn {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
        }

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

        .jc-faq .accordion-button {
            background: transparent;
            color: var(--jc-text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 16px 20px;
            border: none;
            border-radius: 0;
            box-shadow: none;
            transition: background 0.3s ease;
        }

        .jc-faq .accordion-button:not(.collapsed) {
            background: rgba(0, 212, 255, 0.05);
            color: var(--jc-cyan);
        }

        .jc-faq .accordion-button::after {
            display: none;
        }

        .jc-faq .accordion-button .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 212, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--jc-cyan);
            margin-right: 12px;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .jc-faq .accordion-button:not(.collapsed) .faq-icon {
            background: rgba(0, 212, 255, 0.25);
            transform: rotate(45deg);
        }

        .jc-faq .accordion-body {
            background: transparent;
            color: var(--jc-text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            padding: 0 20px 18px 56px;
        }

        /* ========== CTA ========== */
        .jc-cta-section {
            padding: 60px 0;
        }

        .jc-cta-panel {
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.9), rgba(16, 29, 54, 0.95)), url('/assets/images/a001db85c2d1bc29.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--jc-border-strong);
            border-radius: 24px;
            padding: 40px 42px;
            position: relative;
            overflow: hidden;
        }

        .jc-cta-panel::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .jc-cta-panel .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .jc-cta-panel .cta-desc {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            margin-bottom: 20px;
            max-width: 520px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .jc-cta-panel .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .jc-cta-panel .cta-input {
            flex: 1 1 260px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-input);
            padding: 10px 16px;
            color: var(--jc-text);
            font-size: 0.88rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-cta-panel .cta-input:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.25);
            outline: none;
        }

        .jc-cta-panel .cta-input::placeholder {
            color: var(--jc-text-weak);
        }

        .btn-glow {
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: var(--jc-radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-glow:hover {
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

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

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
        }

        @media (max-width: 576px) {
            .jc-cta-panel {
                padding: 26px 20px;
            }
            .jc-cta-panel .cta-title {
                font-size: 1.25rem;
            }
        }

        /* ========== FOOTER ========== */
        .jc-footer {
            background: var(--jc-bg-deep);
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .jc-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .jc-footer .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.35);
            flex-shrink: 0;
        }

        .jc-footer .footer-desc {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }

        .jc-footer .footer-links h6 {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .jc-footer .footer-links a {
            display: block;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            padding: 3px 0;
            transition: color 0.2s ease;
        }

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

        .jc-footer .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--jc-border);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--jc-text-weak);
            align-items: center;
        }

        .jc-footer .footer-bottom a {
            color: var(--jc-text-muted);
            font-size: 0.78rem;
            transition: color 0.2s ease;
        }

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

        @media (max-width: 768px) {
            .jc-footer {
                padding: 32px 0 20px;
            }
            .jc-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ========== MISC ========== */
        .jc-divider {
            width: 50px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--jc-cyan), rgba(0, 212, 255, 0.2));
            margin-bottom: 18px;
        }

        .jc-text-cyan {
            color: var(--jc-cyan);
        }

        .jc-text-warm {
            color: var(--jc-warm);
        }

/* roulang page: category2 */
:root {
            --jc-bg-deep: #0A0F1E;
            --jc-bg-base: #0C1528;
            --jc-bg-card: #101D36;
            --jc-bg-card-2: #0E1830;
            --jc-cyan: #00D4FF;
            --jc-cyan-glow: rgba(0, 224, 255, 0.35);
            --jc-warm: #FFB547;
            --jc-green: #38D9A9;
            --jc-red: #FF5A6E;
            --jc-text: #E8EDF7;
            --jc-text-muted: #9AA7BD;
            --jc-text-weak: #6B7A90;
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-strong: rgba(255, 255, 255, 0.22);
            --jc-radius-card: 20px;
            --jc-radius-btn: 12px;
            --jc-radius-input: 11px;
            --jc-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 18px rgba(0, 224, 255, 0.35);
            --jc-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --jc-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', monospace;
            --jc-section-pad: 88px;
        }

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

        body {
            font-family: var(--jc-font-sans);
            background: var(--jc-bg-deep);
            color: var(--jc-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--jc-cyan);
            transition: color 0.2s ease;
        }

        a:hover {
            color: #66E8FF;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--jc-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        /* ========== NAVBAR ========== */
        .jc-navbar {
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jc-border);
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-navbar.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .jc-navbar .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }

        .jc-navbar .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
            flex-shrink: 0;
        }

        .jc-navbar .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .jc-navbar .navbar-brand .brand-text .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        .jc-navbar .navbar-brand .brand-text .brand-sub {
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
        }

        .jc-navbar .nav-link {
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }

        .jc-navbar .nav-link:hover,
        .jc-navbar .nav-link.active {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
        }

        .jc-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }

        .jc-navbar .navbar-toggler {
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--jc-text);
            background: rgba(255, 255, 255, 0.04);
        }

        .jc-navbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
        }

        .jc-navbar .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jc-text);
            font-size: 1.3rem;
        }

        .jc-navbar .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        .jc-nav-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 10px;
            padding: 6px 14px;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            min-width: 150px;
        }

        .jc-nav-search:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            outline: none;
        }

        .jc-nav-search::placeholder {
            color: var(--jc-text-weak);
        }

        /* ========== BREADCRUMB ========== */
        .jc-breadcrumb-wrapper {
            background: rgba(14, 24, 48, 0.6);
            border-bottom: 1px solid var(--jc-border);
            padding: 14px 0;
        }

        .jc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            flex-wrap: wrap;
            margin: 0;
        }

        .jc-breadcrumb a {
            color: var(--jc-text-muted);
            transition: color 0.2s ease;
        }

        .jc-breadcrumb a:hover {
            color: var(--jc-cyan);
        }

        .jc-breadcrumb .separator {
            color: var(--jc-text-weak);
            font-size: 0.7rem;
        }

        .jc-breadcrumb .current {
            color: var(--jc-text);
            font-weight: 500;
        }

        .jc-breadcrumb .back-link {
            margin-left: auto;
            color: var(--jc-cyan);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== CATEGORY HERO ========== */
        .jc-category-hero {
            padding: 56px 0 40px;
            background: var(--jc-bg-deep);
            position: relative;
            overflow: hidden;
        }

        .jc-category-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .jc-category-hero .h1-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .jc-category-hero .lead-text {
            font-size: 1.05rem;
            color: var(--jc-text-muted);
            line-height: 1.85;
            max-width: 820px;
        }

        /* ========== DATA SNAPSHOT ========== */
        .jc-snapshot-section {
            padding: 40px 0 48px;
        }

        .jc-snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .jc-snapshot-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 22px 20px;
            text-align: center;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .jc-snapshot-item:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: var(--jc-shadow);
        }

        .jc-snapshot-item .snapshot-value {
            font-size: 2rem;
            font-weight: 700;
            font-family: var(--jc-font-mono);
            color: var(--jc-cyan);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .jc-snapshot-item .snapshot-label {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
        }

        /* ========== CARDS LIST ========== */
        .jc-card-section {
            padding: 48px 0 56px;
        }

        .jc-section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .jc-section-heading h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            letter-spacing: 0.3px;
        }

        .jc-section-heading .heading-tag {
            font-size: 0.8rem;
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
        }

        .jc-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .jc-data-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .jc-data-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: var(--jc-shadow);
        }

        .jc-data-card .card-img-wrapper {
            overflow: hidden;
            aspect-ratio: 16/10;
            position: relative;
        }

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

        .jc-data-card:hover .card-img-wrapper img {
            transform: scale(1.06);
        }

        .jc-data-card .card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .jc-data-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .jc-data-card .card-summary {
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 14px;
        }

        .jc-data-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            margin-bottom: 12px;
        }

        .jc-data-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.1);
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 500;
        }

        .jc-btn-read {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--jc-cyan);
            background: transparent;
            border: none;
            padding: 0;
            transition: color 0.2s ease;
            cursor: pointer;
            align-self: flex-start;
        }

        .jc-btn-read:hover {
            color: #66E8FF;
        }

        .jc-btn-read i {
            font-size: 0.7rem;
            transition: transform 0.2s ease;
        }

        .jc-btn-read:hover i {
            transform: translateX(4px);
        }

        /* featured large card */
        .jc-card-grid .jc-data-card.featured {
            grid-column: span 2;
        }

        .jc-card-grid .jc-data-card.featured .card-img-wrapper {
            aspect-ratio: 16/8;
        }

        .jc-card-grid .jc-data-card.featured .card-title {
            font-size: 1.2rem;
        }

        /* ========== DEEP READING ========== */
        .jc-deep-section {
            padding: 48px 0 56px;
            background: var(--jc-bg-base);
        }

        .jc-deep-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            overflow: hidden;
            display: flex;
            gap: 28px;
            padding: 28px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 24px;
        }

        .jc-deep-card:hover {
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: var(--jc-shadow);
        }

        .jc-deep-card .deep-img {
            flex-shrink: 0;
            width: 260px;
            height: 180px;
            border-radius: 14px;
            overflow: hidden;
        }

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

        .jc-deep-card .deep-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .jc-deep-card .deep-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .jc-deep-card .deep-summary {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 12px;
        }

        /* ========== FILTER SECTION ========== */
        .jc-filter-section {
            padding: 48px 0 56px;
        }

        .jc-filter-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 28px;
        }

        .jc-filter-panel .filter-label {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            margin-bottom: 10px;
            font-weight: 500;
        }

        .jc-filter-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .jc-filter-btn {
            padding: 6px 16px;
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.25s ease;
            font-weight: 500;
        }

        .jc-filter-btn:hover {
            color: var(--jc-cyan);
            border-color: rgba(0, 212, 255, 0.4);
            background: rgba(0, 212, 255, 0.08);
        }

        .jc-filter-btn.active-filter {
            color: #fff;
            background: rgba(0, 212, 255, 0.2);
            border-color: var(--jc-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.25);
        }

        .jc-filter-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-input);
            color: var(--jc-text);
            padding: 7px 14px;
            font-size: 0.85rem;
            min-width: 150px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%239AA7BD' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239AA7BD' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }

        .jc-filter-select:focus {
            border-color: var(--jc-cyan);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
        }

        /* ========== FAQ ========== */
        .jc-faq-section {
            padding: 48px 0 56px;
            background: var(--jc-bg-base);
        }

        .jc-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .jc-accordion .accordion-item:hover {
            border-color: rgba(0, 212, 255, 0.3);
        }

        .jc-accordion .accordion-button {
            background: transparent;
            color: var(--jc-text);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            cursor: pointer;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color 0.2s ease;
        }

        .jc-accordion .accordion-button:hover {
            color: var(--jc-cyan);
        }

        .jc-accordion .accordion-button::after {
            display: none;
        }

        .jc-accordion .accordion-button .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 212, 255, 0.1);
            border-radius: 6px;
            color: var(--jc-cyan);
            font-size: 0.75rem;
            transition: transform 0.3s ease;
        }

        .jc-accordion .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(45deg);
            background: rgba(0, 212, 255, 0.25);
        }

        .jc-accordion .accordion-body {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
        }

        /* ========== CTA SECTION ========== */
        .jc-cta-section {
            padding: 56px 0 64px;
        }

        .jc-cta-panel {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(0, 212, 255, 0.03));
            border: 1px solid rgba(0, 212, 255, 0.25);
            border-radius: 24px;
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .jc-cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .jc-cta-panel h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
        }

        .jc-cta-panel p {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            margin-bottom: 24px;
            position: relative;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .jc-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            border: none;
            border-radius: var(--jc-radius-btn);
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.4);
            transition: all 0.3s ease;
            position: relative;
            letter-spacing: 0.3px;
        }

        .jc-btn-primary:hover {
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.6);
            transform: translateY(-2px);
            color: #fff;
        }

        .jc-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
        }

        .jc-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--jc-cyan);
            background: transparent;
            border: 1px solid rgba(0, 212, 255, 0.5);
            border-radius: var(--jc-radius-btn);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            letter-spacing: 0.3px;
        }

        .jc-btn-outline:hover {
            border-color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
            color: var(--jc-cyan);
        }

        .jc-cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .jc-cta-form input {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--jc-border-strong);
            border-radius: var(--jc-radius-input);
            padding: 11px 16px;
            font-size: 0.9rem;
            color: var(--jc-text);
            min-width: 260px;
            flex: 0 1 320px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .jc-cta-form input:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            outline: none;
        }

        .jc-cta-form input::placeholder {
            color: var(--jc-text-weak);
        }

        /* ========== FOOTER ========== */
        .jc-footer {
            background: #070B16;
            border-top: 1px solid var(--jc-border);
            padding: 64px 0 28px;
            margin-top: 16px;
        }

        .jc-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .jc-footer .footer-brand .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #fff;
        }

        .jc-footer .footer-desc {
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
        }

        .jc-footer .footer-links h6 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .jc-footer .footer-links a {
            display: block;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

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

        .jc-footer .footer-bottom {
            border-top: 1px solid var(--jc-border);
            padding-top: 24px;
            margin-top: 40px;
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .jc-footer .footer-bottom a {
            color: var(--jc-text-muted);
            transition: color 0.2s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 992px) {
            .jc-snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

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

            .jc-card-grid .jc-data-card.featured {
                grid-column: span 2;
            }

            .jc-deep-card {
                flex-direction: column;
                padding: 20px;
                gap: 16px;
            }

            .jc-deep-card .deep-img {
                width: 100%;
                height: 200px;
            }

            .jc-navbar .navbar-brand {
                margin-right: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --jc-section-pad: 56px;
            }

            .jc-navbar .navbar-brand {
                font-size: 1.2rem;
                margin-right: 16px;
            }

            .jc-navbar .navbar-brand .brand-text .brand-sub {
                display: none;
            }

            .jc-navbar .navbar-collapse {
                background: rgba(10, 15, 30, 0.98);
                border-radius: 0 0 16px 16px;
                padding: 12px 16px;
                border: 1px solid var(--jc-border);
                border-top: none;
            }

            .jc-navbar .nav-link {
                display: block;
                padding: 10px 14px;
                font-size: 0.95rem;
                text-align: left;
            }

            .jc-navbar .nav-link.active::after {
                display: none;
            }

            .jc-category-hero {
                padding: 36px 0 28px;
            }

            .jc-category-hero .h1-title {
                font-size: 1.8rem;
            }

            .jc-category-hero .lead-text {
                font-size: 0.95rem;
            }

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

            .jc-card-grid .jc-data-card.featured {
                grid-column: span 1;
            }

            .jc-card-grid .jc-data-card.featured .card-img-wrapper {
                aspect-ratio: 16/10;
            }

            .jc-card-grid .jc-data-card.featured .card-title {
                font-size: 1.05rem;
            }

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

            .jc-snapshot-item .snapshot-value {
                font-size: 1.5rem;
            }

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

            .jc-filter-panel {
                padding: 20px;
            }

            .jc-cta-panel {
                padding: 28px 20px;
            }

            .jc-cta-panel h3 {
                font-size: 1.25rem;
            }

            .jc-footer {
                padding: 40px 0 20px;
            }
        }

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

            .jc-snapshot-item {
                padding: 16px 12px;
            }

            .jc-snapshot-item .snapshot-value {
                font-size: 1.25rem;
            }

            .jc-breadcrumb {
                font-size: 0.78rem;
                gap: 4px;
            }

            .jc-breadcrumb .back-link {
                font-size: 0.78rem;
                margin-left: 0;
                width: 100%;
                margin-top: 4px;
            }

            .jc-category-hero .h1-title {
                font-size: 1.5rem;
            }

            .jc-cta-form input {
                min-width: 100%;
                flex-basis: 100%;
            }

            .jc-cta-form .jc-btn-primary {
                width: 100%;
                justify-content: center;
            }

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

/* roulang page: category1 */
:root {
            --jc-bg-deep: #0A0F1E;
            --jc-bg-base: #0C1528;
            --jc-bg-card: #101D36;
            --jc-bg-card-2: #0E1830;
            --jc-cyan: #00D4FF;
            --jc-cyan-glow: rgba(0, 224, 255, 0.35);
            --jc-warm: #FFB547;
            --jc-green: #38D9A9;
            --jc-red: #FF5A6E;
            --jc-text: #E8EDF7;
            --jc-text-muted: #9AA7BD;
            --jc-text-weak: #6B7A90;
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-strong: rgba(255, 255, 255, 0.22);
            --jc-radius-card: 20px;
            --jc-radius-btn: 12px;
            --jc-radius-input: 11px;
            --jc-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 18px rgba(0, 224, 255, 0.35);
            --jc-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --jc-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', monospace;
            --jc-section-pad: 72px;
        }

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

        body {
            font-family: var(--jc-font-sans);
            background: var(--jc-bg-deep);
            color: var(--jc-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--jc-cyan);
            transition: color 0.2s ease;
        }

        a:hover {
            color: #66E8FF;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--jc-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        /* ========== NAVBAR ========== */
        .jc-navbar {
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jc-border);
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-navbar.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .jc-navbar .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }

        .jc-navbar .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
            flex-shrink: 0;
        }

        .jc-navbar .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .jc-navbar .navbar-brand .brand-text .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        .jc-navbar .navbar-brand .brand-text .brand-sub {
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
        }

        .jc-navbar .nav-link {
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }

        .jc-navbar .nav-link:hover,
        .jc-navbar .nav-link.active {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
        }

        .jc-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }

        .jc-navbar .navbar-toggler {
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--jc-text);
            background: rgba(255, 255, 255, 0.04);
        }

        .jc-navbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
        }

        .jc-navbar .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jc-text);
            font-size: 1.3rem;
        }

        .jc-navbar .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        .jc-nav-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 10px;
            padding: 6px 14px;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            min-width: 150px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .jc-nav-search:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            outline: none;
            color: var(--jc-text);
        }

        .jc-nav-search::placeholder {
            color: var(--jc-text-weak);
        }

        /* ========== BREADCRUMB ========== */
        .jc-breadcrumb-wrap {
            background: rgba(12, 21, 40, 0.6);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 18px 0;
        }

        .jc-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--jc-text-weak);
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .jc-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .jc-breadcrumb li a {
            color: var(--jc-text-muted);
            transition: color 0.2s ease;
        }

        .jc-breadcrumb li a:hover {
            color: var(--jc-cyan);
        }

        .jc-breadcrumb li.current {
            color: #fff;
            font-weight: 500;
        }

        .jc-breadcrumb .breadcrumb-sep {
            color: var(--jc-text-weak);
        }

        .jc-back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--jc-cyan);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 14px;
            border: 1px solid rgba(0, 212, 255, 0.3);
            border-radius: 8px;
            transition: background 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }

        .jc-back-link:hover {
            background: rgba(0, 212, 255, 0.1);
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
        }

        /* ========== CATEGORY HEADER ========== */
        .jc-category-header {
            padding: var(--jc-section-pad) 0 48px;
            position: relative;
            background: linear-gradient(180deg, rgba(12, 21, 40, 0.7) 0%, var(--jc-bg-deep) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .jc-category-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/2e40da3014bf7b83.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .jc-category-header .container {
            position: relative;
            z-index: 1;
        }

        .jc-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.3);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--jc-cyan);
            margin-bottom: 16px;
        }

        .jc-category-header h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .jc-category-header .jc-category-lead {
            font-size: 1.05rem;
            color: var(--jc-text-muted);
            max-width: 760px;
            line-height: 1.85;
        }

        /* ========== FILTER BAR ========== */
        .jc-filter-section {
            padding: 36px 0 8px;
        }

        .jc-filter-bar {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .jc-filter-label {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--jc-text-muted);
            white-space: nowrap;
        }

        .jc-filter-select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 8px 14px;
            color: var(--jc-text);
            font-size: 0.88rem;
            min-width: 130px;
            transition: border-color 0.2s ease;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239AA7BD' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
        }

        .jc-filter-select:focus {
            border-color: var(--jc-cyan);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
        }

        .jc-filter-btn-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .jc-filter-btn {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 7px 16px;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .jc-filter-btn:hover {
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.06);
        }

        .jc-filter-btn.active {
            background: rgba(0, 212, 255, 0.15);
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
        }

        .jc-filter-reset {
            background: transparent;
            border: none;
            color: var(--jc-text-weak);
            font-size: 0.85rem;
            cursor: pointer;
            transition: color 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .jc-filter-reset:hover {
            color: var(--jc-red);
        }

        /* ========== TIMELINE LIST ========== */
        .jc-timeline-section {
            padding: 36px 0 56px;
        }

        .jc-timeline-wrapper {
            position: relative;
            padding-left: 28px;
        }

        .jc-timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 212, 255, 0.5) 0%, rgba(0, 212, 255, 0.1) 100%);
        }

        .jc-timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 20px;
        }

        .jc-timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 20px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--jc-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
            border: 2px solid var(--jc-bg-deep);
        }

        .jc-card {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
            height: 100%;
        }

        .jc-card:hover {
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 212, 255, 0.15);
            transform: translateY(-3px);
        }

        .jc-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--jc-bg-card-2);
        }

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

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

        .jc-card-img .jc-img-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(10, 15, 30, 0.05) 0%, rgba(10, 15, 30, 0.7) 100%);
        }

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

        .jc-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .jc-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--jc-cyan);
            border: 1px solid rgba(0, 212, 255, 0.2);
        }

        .jc-tag.warm {
            background: rgba(255, 181, 71, 0.1);
            color: var(--jc-warm);
            border-color: rgba(255, 181, 71, 0.25);
        }

        .jc-tag.green {
            background: rgba(56, 217, 169, 0.1);
            color: var(--jc-green);
            border-color: rgba(56, 217, 169, 0.25);
        }

        .jc-tag.red {
            background: rgba(255, 90, 110, 0.1);
            color: var(--jc-red);
            border-color: rgba(255, 90, 110, 0.25);
        }

        .jc-card-title {
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.45;
            letter-spacing: -0.2px;
        }

        .jc-card-title a {
            color: #fff;
            transition: color 0.2s ease;
        }

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

        .jc-card-excerpt {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .jc-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .jc-card-date {
            font-size: 0.82rem;
            color: var(--jc-text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .jc-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--jc-cyan);
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .jc-read-more:hover {
            color: #66E8FF;
            gap: 10px;
        }

        /* ========== DEEP READING ========== */
        .jc-deep-section {
            padding: 48px 0 56px;
            background: var(--jc-bg-base);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .jc-section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .jc-section-subtitle {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            margin-bottom: 28px;
        }

        .jc-deep-card {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 28px 30px;
            height: 100%;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-deep-card:hover {
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.35);
        }

        .jc-deep-card .jc-deep-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--jc-warm);
            background: rgba(255, 181, 71, 0.1);
            border: 1px solid rgba(255, 181, 71, 0.25);
            border-radius: 6px;
            padding: 3px 10px;
            margin-bottom: 14px;
        }

        .jc-deep-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.45;
        }

        .jc-deep-card p {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .jc-deep-card .jc-deep-img {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 8;
        }

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

        /* ========== FAQ ========== */
        .jc-faq-section {
            padding: 56px 0;
        }

        .jc-accordion .accordion-item {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .jc-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(0, 212, 255, 0.4);
        }

        .jc-accordion .accordion-button {
            background: transparent !important;
            color: #fff !important;
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 22px;
            box-shadow: none !important;
            border: none;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .jc-accordion .accordion-button::after {
            display: none;
        }

        .jc-accordion .accordion-button .jc-accordion-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--jc-cyan);
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .jc-accordion .accordion-button:not(.collapsed) .jc-accordion-icon {
            transform: rotate(45deg);
            background: rgba(0, 212, 255, 0.2);
            color: #fff;
        }

        .jc-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
            outline-offset: -2px;
            border-radius: 0;
        }

        .jc-accordion .accordion-body {
            padding: 0 22px 20px 56px;
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .jc-cta-section {
            padding: 56px 0 72px;
        }

        .jc-cta-card {
            background: linear-gradient(135deg, var(--jc-bg-card) 0%, #0F1F3D 50%, var(--jc-bg-card-2) 100%);
            border: 1px solid rgba(0, 212, 255, 0.25);
            border-radius: 24px;
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 32px rgba(0, 212, 255, 0.08);
        }

        .jc-cta-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .jc-cta-card h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .jc-cta-card p {
            font-size: 0.98rem;
            color: var(--jc-text-muted);
            margin-bottom: 24px;
            max-width: 560px;
        }

        .jc-btn-primary {
            background: linear-gradient(135deg, #00D4FF 0%, #00A8E8 100%);
            border: none;
            border-radius: var(--jc-radius-btn);
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.2px;
        }

        .jc-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 212, 255, 0.55);
            color: #fff;
        }

        .jc-btn-primary:active {
            transform: translateY(0);
        }

        .jc-btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border-strong);
            border-radius: var(--jc-radius-btn);
            padding: 12px 26px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--jc-text);
            cursor: pointer;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .jc-btn-ghost:hover {
            border-color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
            color: var(--jc-cyan);
        }

        .jc-cta-success {
            display: none;
            font-size: 0.92rem;
            color: var(--jc-green);
            margin-top: 12px;
            align-items: center;
            gap: 8px;
        }

        .jc-cta-success.show {
            display: flex;
        }

        /* ========== MORE LINK ========== */
        .jc-more-section {
            padding: 16px 0 56px;
            text-align: center;
        }

        .jc-more-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.3);
            border-radius: 12px;
            padding: 14px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--jc-cyan);
            transition: all 0.3s ease;
        }

        .jc-more-link:hover {
            background: rgba(0, 212, 255, 0.15);
            border-color: var(--jc-cyan);
            color: #fff;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.25);
        }

        /* ========== FOOTER ========== */
        .jc-footer {
            background: #080D18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 52px 0 32px;
            margin-top: 0;
        }

        .jc-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .jc-footer .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }

        .jc-footer .footer-desc {
            font-size: 0.88rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
            max-width: 320px;
        }

        .jc-footer .footer-links h6 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .jc-footer .footer-links a {
            display: block;
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

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

        .jc-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 36px;
            padding-top: 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--jc-text-weak);
        }

        .jc-footer .footer-bottom a {
            color: var(--jc-text-muted);
            transition: color 0.2s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 992px) {
            :root {
                --jc-section-pad: 48px;
            }

            .jc-navbar .navbar-brand {
                margin-right: 16px;
            }

            .jc-navbar .navbar-collapse {
                padding: 14px 0;
            }

            .jc-navbar .nav-link {
                padding: 0.6rem 0.8rem;
                font-size: 0.88rem;
            }

            .jc-category-header h1 {
                font-size: 2.1rem;
            }

            .jc-timeline-wrapper {
                padding-left: 20px;
            }

            .jc-timeline-wrapper::before {
                left: 5px;
            }

            .jc-timeline-item {
                padding-left: 10px;
            }

            .jc-timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }

            .jc-filter-bar {
                padding: 16px 18px;
                gap: 10px;
            }

            .jc-cta-card {
                padding: 28px 22px;
            }

            .jc-deep-card {
                padding: 22px 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --jc-section-pad: 36px;
            }

            .jc-category-header h1 {
                font-size: 1.75rem;
            }

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

            .jc-category-header .jc-category-lead {
                font-size: 0.95rem;
                line-height: 1.75;
            }

            .jc-timeline-wrapper::before {
                left: 4px;
            }

            .jc-timeline-item {
                padding-left: 6px;
                margin-bottom: 20px;
            }

            .jc-timeline-item::before {
                left: -16px;
                width: 8px;
                height: 8px;
                top: 16px;
            }

            .jc-card-body {
                padding: 16px 16px 18px;
            }

            .jc-card-title {
                font-size: 1rem;
            }

            .jc-card-excerpt {
                font-size: 0.88rem;
                line-height: 1.7;
            }

            .jc-filter-bar {
                padding: 14px 14px;
                border-radius: 14px;
            }

            .jc-filter-select {
                min-width: 100%;
                font-size: 0.82rem;
            }

            .jc-filter-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .jc-cta-card h2 {
                font-size: 1.4rem;
            }

            .jc-cta-card {
                padding: 22px 18px;
                border-radius: 18px;
            }

            .jc-accordion .accordion-button {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .jc-accordion .accordion-body {
                padding: 0 16px 16px 42px;
                font-size: 0.85rem;
            }

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

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

            .jc-footer .footer-bottom {
                gap: 6px;
                font-size: 0.72rem;
            }
        }

        @media (max-width: 520px) {
            .jc-navbar .navbar-brand .brand-sub {
                display: none;
            }

            .jc-navbar .navbar-brand {
                font-size: 1.15rem;
                gap: 8px;
            }

            .jc-navbar .navbar-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 8px;
            }

            .jc-breadcrumb {
                font-size: 0.8rem;
                gap: 5px;
            }

            .jc-back-link {
                font-size: 0.78rem;
                padding: 5px 10px;
            }

            .jc-category-header h1 {
                font-size: 1.45rem;
            }

            .jc-category-badge {
                font-size: 0.75rem;
                padding: 3px 10px;
            }

            .jc-timeline-wrapper {
                padding-left: 14px;
            }

            .jc-timeline-wrapper::before {
                left: 3px;
                width: 1.5px;
            }

            .jc-timeline-item::before {
                left: -13px;
                width: 6px;
                height: 6px;
                top: 14px;
            }

            .jc-card-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .jc-deep-card {
                padding: 18px 14px;
            }

            .jc-deep-card h3 {
                font-size: 1.05rem;
            }

            .jc-btn-primary,
            .jc-btn-ghost {
                width: 100%;
                justify-content: center;
                padding: 11px 16px;
                font-size: 0.88rem;
            }

            .jc-cta-card .d-flex {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category5 */
:root {
            --jc-bg-deep: #0A0F1E;
            --jc-bg-base: #0C1528;
            --jc-bg-card: #101D36;
            --jc-bg-card-2: #0E1830;
            --jc-cyan: #00D4FF;
            --jc-cyan-glow: rgba(0, 224, 255, 0.35);
            --jc-warm: #FFB547;
            --jc-green: #38D9A9;
            --jc-red: #FF5A6E;
            --jc-text: #E8EDF7;
            --jc-text-muted: #9AA7BD;
            --jc-text-weak: #6B7A90;
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-strong: rgba(255, 255, 255, 0.22);
            --jc-radius-card: 20px;
            --jc-radius-btn: 12px;
            --jc-radius-input: 11px;
            --jc-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 18px rgba(0, 224, 255, 0.35);
            --jc-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --jc-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', monospace;
            --jc-section-pad: 88px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--jc-font-sans);
            background: var(--jc-bg-deep);
            color: var(--jc-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: var(--jc-cyan);
            transition: color 0.2s ease;
        }
        a:hover {
            color: #66E8FF;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--jc-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        section {
            padding: var(--jc-section-pad) 0;
            position: relative;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            color: var(--jc-cyan);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
            color: #fff;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--jc-text-muted);
            line-height: 1.8;
            max-width: 720px;
        }
        /* ========== NAVBAR ========== */
        .jc-navbar {
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jc-border);
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .jc-navbar.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }
        .jc-navbar .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }
        .jc-navbar .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
            flex-shrink: 0;
        }
        .jc-navbar .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .jc-navbar .navbar-brand .brand-text .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }
        .jc-navbar .navbar-brand .brand-text .brand-sub {
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
        }
        .jc-navbar .nav-link {
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }
        .jc-navbar .nav-link:hover,
        .jc-navbar .nav-link.active {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
        }
        .jc-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }
        .jc-navbar .navbar-toggler {
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--jc-text);
            background: rgba(255, 255, 255, 0.04);
        }
        .jc-navbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
        }
        .jc-navbar .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jc-text);
            font-size: 1.3rem;
        }
        .jc-navbar .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }
        .jc-nav-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 10px;
            padding: 6px 14px;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            min-width: 150px;
        }
        .jc-nav-search:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            color: var(--jc-text);
        }
        /* ========== BREADCRUMB ========== */
        .jc-breadcrumb-bar {
            border-bottom: 1px solid var(--jc-border);
            background: rgba(12, 21, 40, 0.6);
            padding: 12px 0;
        }
        .jc-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.88rem;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .jc-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .jc-breadcrumb li + li::before {
            content: '/';
            color: var(--jc-text-weak);
            font-size: 0.8rem;
        }
        .jc-breadcrumb a {
            color: var(--jc-text-muted);
            transition: color 0.2s;
        }
        .jc-breadcrumb a:hover {
            color: var(--jc-cyan);
        }
        .jc-breadcrumb .current {
            color: #fff;
            font-weight: 600;
        }
        .jc-breadcrumb .back-link {
            margin-left: auto;
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .jc-breadcrumb .back-link:hover {
            color: var(--jc-cyan);
        }
        /* ========== HERO / LEAD SECTION ========== */
        .jc-lead {
            padding: 48px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .jc-lead h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .jc-lead p {
            font-size: 1rem;
            color: var(--jc-text-muted);
            line-height: 1.85;
            max-width: 860px;
            margin-bottom: 0;
        }
        /* ========== MAIN LIST ========== */
        .jc-main-list {
            padding: 60px 0 40px;
        }
        .jc-index-compare-card {
            border-radius: var(--jc-radius-card);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            overflow: hidden;
            margin-bottom: 24px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-wrap: wrap;
            position: relative;
        }
        .jc-index-compare-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
            border-color: rgba(0, 212, 255, 0.35);
        }
        .jc-index-compare-card .card-img-wrap {
            width: 180px;
            flex-shrink: 0;
            position: relative;
            min-height: 150px;
            overflow: hidden;
        }
        .jc-index-compare-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .jc-index-compare-card .card-body {
            flex: 1;
            padding: 18px 22px;
            min-width: 0;
        }
        .jc-index-compare-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            margin-bottom: 10px;
        }
        .jc-index-compare-card .card-meta .tag {
            background: rgba(0, 212, 255, 0.12);
            color: var(--jc-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.75rem;
        }
        .jc-index-compare-card .card-title {
            font-size: 1.1rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-index-compare-card .card-summary {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .jc-index-compare-card .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--jc-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .jc-index-compare-card .read-more:hover {
            border-bottom-color: var(--jc-cyan);
            color: #66E8FF;
        }
        /* ========== FILTER PANEL ========== */
        .jc-filter-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 24px;
            margin: 20px 0 30px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .jc-filter-panel .filter-title {
            font-size: 1.05rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .jc-filter-panel .filter-title i {
            color: var(--jc-cyan);
        }
        .jc-filter-panel label {
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            margin-bottom: 6px;
            display: block;
        }
        .jc-filter-panel select,
        .jc-filter-panel input[type="date"] {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-input);
            padding: 8px 12px;
            color: var(--jc-text);
            font-size: 0.9rem;
            transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
        }
        .jc-filter-panel select:focus,
        .jc-filter-panel input[type="date"]:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            outline: none;
        }
        .jc-filter-panel select option {
            background: #0E1830;
            color: var(--jc-text);
        }
        .jc-btn-primary {
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            border: none;
            border-radius: var(--jc-radius-btn);
            padding: 10px 22px;
            font-weight: 600;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
            transition: box-shadow 0.25s ease, transform 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .jc-btn-primary:hover {
            box-shadow: 0 0 26px rgba(0, 212, 255, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .jc-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.25);
        }
        .jc-btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border-strong);
            border-radius: var(--jc-radius-btn);
            padding: 10px 20px;
            font-weight: 600;
            color: var(--jc-text);
            transition: border-color 0.25s, background 0.25s, color 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .jc-btn-ghost:hover {
            border-color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
            color: var(--jc-cyan);
        }
        /* ========== DEEP RECOMMEND ========== */
        .jc-deep-recommend {
            padding: 60px 0;
            background: rgba(12, 21, 40, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .jc-deep-card {
            border-radius: var(--jc-radius-card);
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            height: 100%;
        }
        .jc-deep-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--jc-shadow);
            border-color: rgba(0, 212, 255, 0.3);
        }
        .jc-deep-card .deep-img {
            aspect-ratio: 16 / 7;
            overflow: hidden;
            position: relative;
        }
        .jc-deep-card .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .jc-deep-card:hover .deep-img img {
            transform: scale(1.05);
        }
        .jc-deep-card .deep-body {
            padding: 20px 24px;
        }
        .jc-deep-card .deep-tag {
            display: inline-block;
            background: rgba(255, 181, 71, 0.12);
            color: var(--jc-warm);
            border: 1px solid rgba(255, 181, 71, 0.3);
            border-radius: 6px;
            padding: 2px 10px;
            font-size: 0.75rem;
            margin-bottom: 10px;
        }
        .jc-deep-card .deep-title {
            font-size: 1.15rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-deep-card .deep-summary {
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            line-height: 1.75;
        }
        /* ========== FAQ ========== */
        .jc-faq-section {
            padding: 60px 0;
        }
        .jc-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--jc-border);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .jc-accordion .accordion-header .accordion-button {
            background: transparent;
            color: var(--jc-text);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: color 0.2s, background 0.2s;
        }
        .jc-accordion .accordion-header .accordion-button::after {
            content: '+';
            background-image: none;
            width: auto;
            height: auto;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--jc-cyan);
            margin-left: auto;
        }
        .jc-accordion .accordion-header .accordion-button:not(.collapsed) {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.05);
        }
        .jc-accordion .accordion-header .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--jc-cyan);
        }
        .jc-accordion .accordion-header .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
            outline-offset: -2px;
            border-radius: 14px;
        }
        .jc-accordion .accordion-body {
            padding: 16px 20px 18px;
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        /* ========== CTA ========== */
        .jc-cta-section {
            padding: 60px 0 80px;
        }
        .jc-cta-card {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 136, 204, 0.12));
            border: 1px solid rgba(0, 212, 255, 0.25);
            border-radius: 24px;
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
        }
        .jc-cta-card .cta-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .jc-cta-card .cta-text p {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            margin-bottom: 0;
            max-width: 560px;
        }
        .jc-cta-card .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .jc-cta-card .cta-form input[type="email"] {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-input);
            padding: 10px 14px;
            color: var(--jc-text);
            min-width: 240px;
            font-size: 0.9rem;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .jc-cta-card .cta-form input[type="email"]:focus {
            border-color: var(--jc-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            outline: none;
        }
        /* ========== FOOTER ========== */
        .jc-footer {
            background: #070B16;
            border-top: 1px solid var(--jc-border);
            padding: 60px 0 30px;
            color: var(--jc-text-muted);
            font-size: 0.88rem;
        }
        .jc-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .jc-footer .footer-brand .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #fff;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
        }
        .jc-footer .footer-desc {
            font-size: 0.85rem;
            color: var(--jc-text-weak);
            line-height: 1.75;
            max-width: 320px;
        }
        .jc-footer .footer-links h6 {
            font-size: 0.85rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .jc-footer .footer-links a {
            display: block;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            margin-bottom: 8px;
            transition: color 0.2s;
        }
        .jc-footer .footer-links a:hover {
            color: var(--jc-cyan);
        }
        .jc-footer .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            justify-content: space-between;
            align-items: center;
        }
        .jc-footer .footer-bottom a {
            color: var(--jc-text-muted);
        }
        .jc-footer .footer-bottom a:hover {
            color: var(--jc-cyan);
        }
        .jc-footer .footer-bottom .footer-disclaimer {
            width: 100%;
            font-size: 0.75rem;
            color: var(--jc-text-weak);
            line-height: 1.6;
            margin-top: 6px;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --jc-section-pad: 56px;
            }
            .jc-lead h1 {
                font-size: 1.8rem;
            }
            .jc-index-compare-card .card-img-wrap {
                width: 150px;
                min-height: 130px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --jc-section-pad: 40px;
            }
            .jc-lead h1 {
                font-size: 1.55rem;
            }
            .jc-lead p {
                font-size: 0.92rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .jc-index-compare-card {
                flex-direction: column;
            }
            .jc-index-compare-card .card-img-wrap {
                width: 100%;
                min-height: 170px;
                max-height: 220px;
            }
            .jc-index-compare-card .card-body {
                padding: 14px 16px;
            }
            .jc-cta-card {
                padding: 24px 20px;
            }
            .jc-cta-card .cta-form input[type="email"] {
                min-width: 100%;
            }
            .jc-filter-panel {
                padding: 16px;
            }
            .jc-navbar .navbar-brand {
                margin-right: 0;
            }
        }
        @media (max-width: 520px) {
            :root {
                --jc-section-pad: 32px;
            }
            .jc-lead h1 {
                font-size: 1.35rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .jc-index-compare-card .card-summary {
                font-size: 0.85rem;
            }
            .jc-deep-card .deep-body {
                padding: 14px 16px;
            }
            .jc-cta-card .cta-form {
                flex-direction: column;
                width: 100%;
            }
            .jc-cta-card .cta-form .jc-btn-primary,
            .jc-cta-card .cta-form .jc-btn-ghost {
                width: 100%;
            }
            .jc-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category4 */
:root {
            --jc-bg-deep: #0A0F1E;
            --jc-bg-base: #0C1528;
            --jc-bg-card: #101D36;
            --jc-bg-card-2: #0E1830;
            --jc-cyan: #00D4FF;
            --jc-cyan-glow: rgba(0, 224, 255, 0.35);
            --jc-warm: #FFB547;
            --jc-green: #38D9A9;
            --jc-red: #FF5A6E;
            --jc-text: #E8EDF7;
            --jc-text-muted: #9AA7BD;
            --jc-text-weak: #6B7A90;
            --jc-border: rgba(255, 255, 255, 0.12);
            --jc-border-strong: rgba(255, 255, 255, 0.22);
            --jc-radius-card: 20px;
            --jc-radius-btn: 12px;
            --jc-radius-input: 11px;
            --jc-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --jc-shadow-glow: 0 0 18px rgba(0, 224, 255, 0.35);
            --jc-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --jc-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', monospace;
            --jc-section-pad: 72px;
        }

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

        body {
            font-family: var(--jc-font-sans);
            background: var(--jc-bg-deep);
            color: var(--jc-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--jc-cyan);
            transition: color 0.2s ease;
        }

        a:hover {
            color: #66E8FF;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--jc-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        /* ========== NAVBAR ========== */
        .jc-navbar {
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--jc-border);
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .jc-navbar.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }

        .jc-navbar .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--jc-text);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 40px;
        }

        .jc-navbar .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
            flex-shrink: 0;
        }

        .jc-navbar .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .jc-navbar .navbar-brand .brand-text .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }

        .jc-navbar .navbar-brand .brand-text .brand-sub {
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
        }

        .jc-navbar .nav-link {
            color: var(--jc-text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
            position: relative;
        }

        .jc-navbar .nav-link:hover,
        .jc-navbar .nav-link.active {
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.08);
        }

        .jc-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--jc-cyan);
            border-radius: 2px;
        }

        .jc-navbar .navbar-toggler {
            border: 1px solid var(--jc-border);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--jc-text);
            background: rgba(255, 255, 255, 0.04);
        }

        .jc-navbar .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--jc-cyan);
        }

        .jc-navbar .navbar-toggler-icon {
            background-image: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--jc-text);
            font-size: 1.3rem;
        }

        .jc-navbar .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        .jc-nav-search {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: 10px;
            padding: 6px 14px;
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            min-width: 150px;
        }

        .jc-nav-search:focus {
            border-color: var(--jc-cyan);
            outline: none;
            color: var(--jc-text);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
        }

        /* ========== BREADCRUMB ========== */
        .jc-breadcrumb {
            padding: 20px 0 8px;
            font-size: 0.88rem;
            color: var(--jc-text-weak);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .jc-breadcrumb a {
            color: var(--jc-text-muted);
            transition: color 0.2s ease;
        }

        .jc-breadcrumb a:hover {
            color: var(--jc-cyan);
        }

        .jc-breadcrumb .separator {
            color: var(--jc-text-weak);
            margin: 0 4px;
        }

        .jc-breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        /* ========== SECTION COMMON ========== */
        .jc-section {
            padding: var(--jc-section-pad) 0;
        }

        .jc-section-alt {
            background: var(--jc-bg-base);
        }

        .jc-section-title {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 14px;
            color: #fff;
            line-height: 1.35;
        }

        .jc-section-subtitle {
            font-size: 0.98rem;
            color: var(--jc-text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== PAGE HEADER (Category H1 area) ========== */
        .jc-page-head {
            padding: 32px 0 20px;
            border-bottom: 1px solid var(--jc-border);
        }

        .jc-page-head h1 {
            font-size: 2.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .jc-page-head .lead {
            font-size: 1rem;
            color: var(--jc-text-muted);
            max-width: 860px;
            line-height: 1.85;
        }

        /* ========== COUNTDOWN / HERO STRIP ========== */
        .jc-countdown-strip {
            background:
                radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.12), transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(255, 181, 71, 0.07), transparent 50%),
                var(--jc-bg-card-2);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
            margin-top: 28px;
        }

        .jc-countdown-strip::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--jc-cyan), var(--jc-warm), transparent);
            opacity: 0.7;
        }

        .jc-countdown-ring-wrap {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .jc-countdown-ring {
            position: relative;
            width: 96px;
            height: 96px;
            flex-shrink: 0;
        }

        .jc-countdown-ring svg {
            transform: rotate(-90deg);
            width: 96px;
            height: 96px;
        }

        .jc-countdown-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.1);
            stroke-width: 8;
        }

        .jc-countdown-ring .ring-fg {
            fill: none;
            stroke: var(--jc-cyan);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 283;
            stroke-dashoffset: 80;
            transition: stroke-dashoffset 0.5s ease;
            filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
        }

        .jc-countdown-ring .ring-label {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 0.7rem;
            color: var(--jc-text-muted);
            text-align: center;
            line-height: 1.2;
        }

        .jc-countdown-ring .ring-label strong {
            display: block;
            font-size: 1.4rem;
            color: #fff;
            font-weight: 700;
        }

        .jc-countdown-info h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .jc-countdown-info p {
            color: var(--jc-text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .jc-sell-points {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .jc-sell-points span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--jc-text-muted);
            font-size: 0.9rem;
        }

        .jc-sell-points i {
            color: var(--jc-cyan);
            font-size: 0.8rem;
        }

        .jc-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--jc-radius-btn);
            padding: 12px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.4;
        }

        .jc-btn-primary {
            background: linear-gradient(135deg, #00D4FF, #0099CC);
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.4);
        }

        .jc-btn-primary:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #22DDFF, #00AAE0);
        }

        .jc-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
        }

        .jc-btn-outline {
            background: transparent;
            border: 1px solid var(--jc-border-strong);
            color: var(--jc-text);
        }

        .jc-btn-outline:hover {
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.06);
            transform: translateY(-2px);
        }

        /* ========== SCHEDULE CALENDAR STRIP ========== */
        .jc-calendar-strip {
            margin-top: 28px;
        }

        .jc-calendar-dates {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 14px 4px 20px;
            scrollbar-width: thin;
            scrollbar-color: var(--jc-border-strong) transparent;
        }

        .jc-calendar-dates::-webkit-scrollbar {
            height: 4px;
        }

        .jc-calendar-dates::-webkit-scrollbar-thumb {
            background: var(--jc-border-strong);
            border-radius: 4px;
        }

        .jc-calendar-date {
            flex: 0 0 auto;
            min-width: 64px;
            padding: 12px 10px;
            border-radius: 14px;
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            text-align: center;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .jc-calendar-date.active {
            background: rgba(0, 212, 255, 0.12);
            border-color: var(--jc-cyan);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
        }

        .jc-calendar-date .day-name {
            font-size: 0.75rem;
            color: var(--jc-text-weak);
            display: block;
        }

        .jc-calendar-date .day-num {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: block;
            margin: 2px 0;
        }

        .jc-calendar-date .match-count {
            font-size: 0.65rem;
            color: var(--jc-warm);
        }

        .jc-calendar-date:hover {
            border-color: var(--jc-cyan);
            background: rgba(0, 212, 255, 0.06);
        }

        /* ========== CARD LIST ========== */
        .jc-card-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 22px;
            margin-top: 16px;
        }

        .jc-info-card {
            background: var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .jc-info-card:hover {
            border-color: rgba(0, 212, 255, 0.45);
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.15);
            transform: translateY(-4px);
        }

        .jc-info-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .jc-info-card .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, var(--jc-bg-card), transparent);
        }

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

        .jc-info-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .jc-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 500;
            border-radius: 20px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--jc-cyan);
            border: 1px solid rgba(0, 212, 255, 0.2);
        }

        .jc-tag.warm {
            background: rgba(255, 181, 71, 0.12);
            color: var(--jc-warm);
            border-color: rgba(255, 181, 71, 0.25);
        }

        .jc-tag.red {
            background: rgba(255, 90, 110, 0.12);
            color: var(--jc-red);
            border-color: rgba(255, 90, 110, 0.25);
        }

        .jc-info-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .jc-info-card .card-summary {
            font-size: 0.9rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .jc-info-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--jc-text-weak);
            border-top: 1px solid var(--jc-border);
            padding-top: 12px;
        }

        .jc-card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--jc-cyan);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .jc-card-link:hover {
            color: #66E8FF;
        }

        .jc-card-link i {
            font-size: 0.7rem;
            transition: transform 0.25s ease;
        }

        .jc-card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== DEEP READING ========== */
        .jc-deep-reading {
            margin-top: 16px;
        }

        .jc-deep-card {
            background: var(--jc-bg-card-2);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 26px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 18px;
        }

        .jc-deep-card:hover {
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: 0 0 24px rgba(0, 212, 255, 0.1);
        }

        .jc-deep-card .deep-img {
            width: 160px;
            height: 110px;
            flex-shrink: 0;
            border-radius: 12px;
            overflow: hidden;
        }

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

        .jc-deep-card .deep-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .jc-deep-card .deep-content p {
            font-size: 0.92rem;
            color: var(--jc-text-muted);
            line-height: 1.75;
            margin-bottom: 10px;
        }

        .jc-deep-card .deep-content .jc-card-link {
            font-size: 0.85rem;
        }

        /* ========== FILTER ZONE ========== */
        .jc-filter-zone {
            background: var(--jc-bg-card-2);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 28px 24px;
        }

        .jc-filter-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }

        .jc-filter-btn {
            padding: 8px 18px;
            border-radius: 20px;
            background: transparent;
            border: 1px solid var(--jc-border);
            color: var(--jc-text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .jc-filter-btn:hover,
        .jc-filter-btn.active {
            background: rgba(0, 212, 255, 0.12);
            border-color: var(--jc-cyan);
            color: var(--jc-cyan);
        }

        .jc-data-metrics {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 14px;
            margin-top: 22px;
        }

        .jc-metric-item {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 16px 14px;
            text-align: center;
        }

        .jc-metric-item .metric-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--jc-cyan);
            font-family: var(--jc-font-mono);
            line-height: 1.2;
        }

        .jc-metric-item .metric-label {
            font-size: 0.78rem;
            color: var(--jc-text-weak);
            margin-top: 4px;
        }

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

        .jc-accordion .accordion-button {
            background: transparent;
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 16px 20px;
            box-shadow: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .jc-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 212, 255, 0.05);
            color: var(--jc-cyan);
            box-shadow: none;
        }

        .jc-accordion .accordion-button::after {
            content: '\f055';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            color: var(--jc-text-muted);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
        }

        .jc-accordion .accordion-button:not(.collapsed)::after {
            content: '\f056';
            color: var(--jc-cyan);
            transform: rotate(0deg);
        }

        .jc-accordion .accordion-body {
            background: transparent;
            color: var(--jc-text-muted);
            font-size: 0.9rem;
            line-height: 1.75;
            padding: 0 20px 18px;
        }

        /* ========== CTA ========== */
        .jc-cta-area {
            background:
                radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.15), transparent 60%),
                var(--jc-bg-card);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-card);
            padding: 40px 30px;
            text-align: center;
        }

        .jc-cta-area h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .jc-cta-area p {
            font-size: 0.95rem;
            color: var(--jc-text-muted);
            margin-bottom: 20px;
        }

        .jc-subscribe-form {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 500px;
            margin: 0 auto;
        }

        .jc-input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--jc-border);
            border-radius: var(--jc-radius-input);
            padding: 12px 16px;
            color: var(--jc-text);
            font-size: 0.9rem;
            min-width: 240px;
            flex: 1;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .jc-input:focus {
            border-color: var(--jc-cyan);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
        }

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

        /* ========== FOOTER ========== */
        .jc-footer {
            background: var(--jc-bg-card-2);
            border-top: 1px solid var(--jc-border);
            padding: 48px 0 28px;
            margin-top: var(--jc-section-pad);
        }

        .jc-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .jc-footer .brand-icon-sm {
            width: 28px;
            height: 28px;
            border-radius: 7px;
            background: linear-gradient(135deg, #00D4FF, #0088CC);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
        }

        .jc-footer .footer-desc {
            font-size: 0.85rem;
            color: var(--jc-text-muted);
            line-height: 1.7;
            max-width: 300px;
        }

        .jc-footer .footer-links h6 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .jc-footer .footer-links a {
            display: block;
            font-size: 0.82rem;
            color: var(--jc-text-muted);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

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

        .jc-footer .footer-bottom {
            margin-top: 36px;
            padding-top: 22px;
            border-top: 1px solid var(--jc-border);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--jc-text-weak);
            justify-content: space-between;
            align-items: center;
        }

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

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --jc-section-pad: 56px;
            }
            .jc-page-head h1 {
                font-size: 1.9rem;
            }
            .jc-countdown-strip {
                padding: 24px 20px;
            }
            .jc-info-card .card-img {
                height: 160px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --jc-section-pad: 44px;
            }
            .jc-navbar .navbar-brand {
                margin-right: 10px;
            }
            .jc-navbar .brand-text .brand-sub {
                display: none;
            }
            .jc-navbar .nav-link {
                padding: 0.45rem 0.8rem;
                font-size: 0.85rem;
            }
            .jc-page-head h1 {
                font-size: 1.6rem;
            }
            .jc-countdown-strip {
                padding: 20px 16px;
                flex-direction: column;
            }
            .jc-countdown-ring-wrap {
                gap: 12px;
            }
            .jc-countdown-ring {
                width: 72px;
                height: 72px;
            }
            .jc-countdown-ring svg {
                width: 72px;
                height: 72px;
            }
            .jc-card-list {
                grid-template-columns: 1fr;
            }
            .jc-deep-card {
                flex-direction: column;
                padding: 20px 16px;
            }
            .jc-deep-card .deep-img {
                width: 100%;
                height: 160px;
            }
            .jc-cta-area {
                padding: 28px 18px;
            }
            .jc-subscribe-form {
                flex-direction: column;
            }
            .jc-input {
                min-width: auto;
                width: 100%;
            }
            .jc-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --jc-section-pad: 36px;
            }
            .jc-page-head h1 {
                font-size: 1.4rem;
            }
            .jc-countdown-info h3 {
                font-size: 1.1rem;
            }
            .jc-countdown-ring {
                width: 60px;
                height: 60px;
            }
            .jc-countdown-ring svg {
                width: 60px;
                height: 60px;
            }
            .jc-countdown-ring .ring-label strong {
                font-size: 1rem;
            }
            .jc-sell-points {
                gap: 10px;
            }
            .jc-calendar-date {
                min-width: 52px;
                padding: 8px 6px;
            }
            .jc-info-card .card-title {
                font-size: 0.95rem;
            }
        }

/* 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}