/* roulang page: index */
:root {
            --primary-grad: linear-gradient(135deg, #4A154B 0%, #B81D5B 50%, #FF3366 100%);
            --primary-grad-hover: linear-gradient(135deg, #5c1b5d 0%, #cf2368 50%, #ff4d7d 100%);
            --accent-cyan: #00F5D4;
            --accent-gold: #FFD166;
            --bg-base: #0B0C10;
            --bg-elevated: #14161F;
            --bg-card: rgba(25, 28, 41, 0.78);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(255, 51, 102, 0.35);
            --text-pure: #FFFFFF;
            --text-body: #C5C6C7;
            --text-muted: #8A8D9B;
            --radius-card: 24px;
            --radius-pill: 50rem;
            --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 20px 45px rgba(255, 51, 102, 0.22);
        }

        /* Reset & Base */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--bg-base);
            background-image: radial-gradient(circle at 50% 0%, #201127 0%, #0B0C10 75%);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: #FF3366;
        }

        /* Typography Utilities */
        .text-gradient {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .text-cyan { color: var(--accent-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }

        /* Modern Header & Nav Bar */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .brand-bar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-pure);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-grad);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            box-shadow: 0 4px 15px rgba(255, 51, 102, 0.4);
        }

        /* Overflow-x Chip Scroller */
        .chip-nav-wrapper {
            background: rgba(15, 17, 24, 0.85);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 8px 0;
        }
        .chip-scroller {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding: 4px 2px;
        }
        .chip-scroller::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-body);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .nav-chip:hover {
            background: rgba(255, 51, 102, 0.15);
            border-color: rgba(255, 51, 102, 0.4);
            color: var(--text-pure);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--primary-grad);
            border-color: transparent;
            color: #FFF;
            box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
        }

        /* Large Rounded Cards */
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .card-glass:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }

        /* Buttons & Badges */
        .btn-gradient {
            background: var(--primary-grad);
            border: none;
            color: #FFF;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(255, 51, 102, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-gradient:hover {
            background: var(--primary-grad-hover);
            color: #FFF;
            box-shadow: 0 12px 26px rgba(255, 51, 102, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-pure);
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-glow:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-pure);
            color: #FFF;
            transform: translateY(-2px);
        }
        .capsule-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(15, 17, 26, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #00F5D4;
            box-shadow: 0 0 8px #00F5D4;
            animation: pulseGlow 1.8s infinite;
        }
        @keyframes pulseGlow {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.3); opacity: 0.6; }
        }

        /* Section Layouts */
        .page-section {
            padding: 70px 0;
            position: relative;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-pure);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 0.98rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Hero Specifics */
        .hero-section {
            padding: 85px 0 65px;
            background: radial-gradient(circle at 80% 20%, rgba(184, 29, 91, 0.22) 0%, transparent 60%);
        }
        .hero-title {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            line-height: 1.25;
            color: var(--text-pure);
            font-weight: 900;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-checklist {
            list-style: none;
            padding: 0;
            margin: 0 0 30px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hero-checklist li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #E2E4E9;
            font-size: 0.95rem;
        }
        .hero-checklist li i {
            color: var(--accent-cyan);
        }

        /* Comparison Slider / Board */
        .compare-box {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            background: rgba(18, 20, 30, 0.95);
        }

        /* Accordion Custom */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 16px !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-pure);
            font-weight: 600;
            font-size: 1.02rem;
            box-shadow: none;
            padding: 20px 24px;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: #FF3366;
            background: rgba(255, 51, 102, 0.08);
            border-bottom: 1px solid rgba(255, 51, 102, 0.15);
        }
        .accordion-custom .accordion-button::after {
            filter: invert(1);
        }
        .accordion-custom .accordion-body {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.8;
            padding: 22px 24px;
        }

        /* Footer */
        .site-footer {
            background: #08090C;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 35px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 991.98px) {
            .page-section { padding: 50px 0; }
            .hero-section { padding: 60px 0 45px; }
            .card-glass { border-radius: 18px; }
        }
        @media (max-width: 767.98px) {
            .page-section { padding: 42px 0; }
            .section-title { font-size: 1.65rem; }
            .card-glass { padding: 22px !important; }
        }

/* roulang page: article */
:root {
            --primary-grad: linear-gradient(135deg, #4A154B 0%, #B81D5B 50%, #FF3366 100%);
            --primary-grad-hover: linear-gradient(135deg, #5c1b5d 0%, #cf2368 50%, #ff4d7d 100%);
            --accent-cyan: #00F5D4;
            --accent-gold: #FFD166;
            --bg-base: #0B0C10;
            --bg-elevated: #14161F;
            --bg-card: rgba(25, 28, 41, 0.78);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(255, 51, 102, 0.35);
            --text-pure: #FFFFFF;
            --text-body: #C5C6C7;
            --text-muted: #8A8D9B;
            --radius-card: 24px;
            --radius-pill: 50rem;
            --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 20px 45px rgba(255, 51, 102, 0.22);
        }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--bg-base);
            background-image: radial-gradient(circle at 50% 0%, #201127 0%, #0B0C10 75%);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: #FF3366;
        }
        .text-gradient {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .text-cyan { color: var(--accent-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .brand-bar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-pure);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-grad);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            box-shadow: 0 4px 15px rgba(255, 51, 102, 0.4);
        }
        .chip-nav-wrapper {
            background: rgba(15, 17, 24, 0.85);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 8px 0;
        }
        .chip-scroller {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding: 4px 2px;
        }
        .chip-scroller::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-body);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .nav-chip:hover {
            background: rgba(255, 51, 102, 0.15);
            border-color: rgba(255, 51, 102, 0.4);
            color: var(--text-pure);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--primary-grad);
            border-color: transparent;
            color: #FFF;
            box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
        }
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .card-glass:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }
        .btn-gradient {
            background: var(--primary-grad);
            border: none;
            color: #FFF;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(255, 51, 102, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-gradient:hover {
            background: var(--primary-grad-hover);
            color: #FFF;
            box-shadow: 0 12px 26px rgba(255, 51, 102, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-pure);
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-glow:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-pure);
            color: #FFF;
            transform: translateY(-2px);
        }
        .capsule-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(25, 28, 41, 0.9);
            border: 1px solid var(--border-subtle);
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-cyan);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-cyan);
            display: inline-block;
            animation: pulseGlow 1.8s infinite ease-in-out;
        }
        @keyframes pulseGlow {
            0%, 100% { transform: scale(0.9); opacity: 0.7; }
            50% { transform: scale(1.3); opacity: 1; }
        }
        .article-hero-banner {
            padding: 48px 0 24px;
            background: linear-gradient(180deg, rgba(74, 21, 75, 0.25) 0%, rgba(11, 12, 16, 0) 100%);
            border-bottom: 1px solid var(--border-subtle);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb-custom a:hover {
            color: var(--accent-cyan);
        }
        .article-h1 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 800;
            color: var(--text-pure);
            line-height: 1.35;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .pull-quote-box {
            position: relative;
            padding: 24px 30px;
            margin: 20px 0 28px;
            border-radius: 20px;
            background: linear-gradient(135deg, rgba(74, 21, 75, 0.35) 0%, rgba(20, 22, 31, 0.8) 100%);
            border-left: 4px solid #FF3366;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }
        .pull-quote-box i {
            font-size: 1.8rem;
            color: #FF3366;
            margin-bottom: 8px;
            display: inline-block;
        }
        .article-content {
            font-size: 1.06rem;
            line-height: 1.9;
            color: #D6D8DC;
        }
        .article-content p {
            margin-bottom: 1.6rem;
        }
        .article-content h2, .article-content h3 {
            color: var(--text-pure);
            font-weight: 700;
            margin-top: 2.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 24px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .spec-tile {
            background: rgba(11, 12, 16, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: 16px;
            padding: 16px 20px;
        }
        .site-footer {
            background: #08090D;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        @media (max-width: 768px) {
            .article-hero-banner {
                padding: 30px 0 16px;
            }
            .pull-quote-box {
                padding: 18px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-grad: linear-gradient(135deg, #4A154B 0%, #B81D5B 50%, #FF3366 100%);
            --primary-grad-hover: linear-gradient(135deg, #5c1b5d 0%, #cf2368 50%, #ff4d7d 100%);
            --accent-cyan: #00F5D4;
            --accent-gold: #FFD166;
            --bg-base: #0B0C10;
            --bg-elevated: #14161F;
            --bg-card: rgba(25, 28, 41, 0.78);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(255, 51, 102, 0.35);
            --text-pure: #FFFFFF;
            --text-body: #C5C6C7;
            --text-muted: #8A8D9B;
            --radius-card: 24px;
            --radius-pill: 50rem;
            --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 20px 45px rgba(255, 51, 102, 0.22);
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--bg-base);
            background-image: radial-gradient(circle at 50% 0%, #220f26 0%, #0B0C10 75%);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: #FF3366;
        }

        .text-gradient {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .text-cyan { color: var(--accent-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }

        /* Site Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }

        .brand-bar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-pure);
            letter-spacing: -0.5px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-grad);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            box-shadow: 0 4px 15px rgba(255, 51, 102, 0.4);
        }

        /* Chip Nav Scroller */
        .chip-nav-wrapper {
            background: rgba(15, 17, 24, 0.85);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 8px 0;
        }

        .chip-scroller {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding: 4px 2px;
        }

        .chip-scroller::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-body);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .nav-chip:hover {
            background: rgba(255, 51, 102, 0.15);
            border-color: rgba(255, 51, 102, 0.4);
            color: var(--text-pure);
            transform: translateY(-1px);
        }

        .nav-chip.active {
            background: var(--primary-grad);
            border-color: transparent;
            color: #FFF;
            box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
        }

        /* Components: Cards, Buttons, Badges */
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .card-glass:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }

        .btn-gradient {
            background: var(--primary-grad);
            border: none;
            color: #FFF;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(255, 51, 102, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-gradient:hover {
            background: var(--primary-grad-hover);
            color: #FFF;
            box-shadow: 0 12px 26px rgba(255, 51, 102, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-pure);
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-glow:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-pure);
            color: #FFF;
            transform: translateY(-2px);
        }

        .capsule-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
            animation: pulse-fx 2s infinite;
        }

        @keyframes pulse-fx {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 245, 212, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
        }

        /* Blueprint Style: Crowdfunding / Goal Tracker Visuals */
        .progress-ring-container {
            width: 140px;
            height: 140px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .progress-ring-circle {
            transform: rotate(-90deg);
            transform-origin: 50% 50%;
        }

        .tier-card {
            background: rgba(20, 23, 35, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: 18px;
            padding: 16px;
            transition: all 0.25s ease;
        }

        .tier-card:hover {
            border-color: rgba(255, 51, 102, 0.5);
            background: rgba(30, 34, 52, 0.85);
        }

        .filter-pill {
            padding: 6px 16px;
            border-radius: 50rem;
            font-size: 0.84rem;
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.03);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .filter-pill.active, .filter-pill:hover {
            background: rgba(255, 51, 102, 0.2);
            color: var(--text-pure);
            border-color: rgba(255, 51, 102, 0.5);
        }

        .media-poster-box {
            position: relative;
            aspect-ratio: 16 / 10;
            background: #191c28;
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .poster-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 12, 16, 0.1) 0%, rgba(11, 12, 16, 0.92) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 16px;
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Custom Accordion */
        .accordion-dark .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 16px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-dark .accordion-button {
            background-color: transparent;
            color: var(--text-pure);
            font-weight: 600;
            box-shadow: none;
            padding: 18px 24px;
        }

        .accordion-dark .accordion-button:not(.collapsed) {
            background: rgba(255, 51, 102, 0.08);
            color: #FF3366;
            border-bottom: 1px solid rgba(255, 51, 102, 0.2);
        }

        .accordion-dark .accordion-button::after {
            filter: invert(1);
        }

        .accordion-dark .accordion-body {
            color: var(--text-body);
            padding: 20px 24px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Site Footer */
        .site-footer {
            background: #07080b;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 80px;
        }

        .hover-pink:hover {
            color: #FF3366 !important;
        }

        @media (max-width: 768px) {
            .site-logo {
                font-size: 1.15rem;
            }
            .brand-bar {
                padding: 10px 0;
            }
            .card-glass {
                padding: 20px !important;
                border-radius: 18px;
            }
            .progress-ring-container {
                width: 110px;
                height: 110px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-grad: linear-gradient(135deg, #4A154B 0%, #B81D5B 50%, #FF3366 100%);
            --primary-grad-hover: linear-gradient(135deg, #5c1b5d 0%, #cf2368 50%, #ff4d7d 100%);
            --accent-cyan: #00F5D4;
            --accent-gold: #FFD166;
            --bg-base: #0B0C10;
            --bg-elevated: #14161F;
            --bg-card: rgba(25, 28, 41, 0.78);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(255, 51, 102, 0.35);
            --text-pure: #FFFFFF;
            --text-body: #C5C6C7;
            --text-muted: #8A8D9B;
            --radius-card: 24px;
            --radius-pill: 50rem;
            --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 20px 45px rgba(255, 51, 102, 0.22);
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--bg-base);
            background-image: radial-gradient(circle at 50% 0%, #201127 0%, #0B0C10 75%);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: #FF3366;
        }

        .text-gradient {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .text-cyan { color: var(--accent-cyan) !important; }
        .text-gold { color: var(--accent-gold) !important; }

        /* Modern Header & Nav Bar */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .brand-bar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-pure);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-grad);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            box-shadow: 0 4px 15px rgba(255, 51, 102, 0.4);
        }

        /* Overflow-x Chip Scroller */
        .chip-nav-wrapper {
            background: rgba(15, 17, 24, 0.85);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 8px 0;
        }
        .chip-scroller {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding: 4px 2px;
        }
        .chip-scroller::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-body);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .nav-chip:hover {
            background: rgba(255, 51, 102, 0.15);
            border-color: rgba(255, 51, 102, 0.4);
            color: var(--text-pure);
            transform: translateY(-1px);
        }
        .nav-chip.active {
            background: var(--primary-grad);
            border-color: transparent;
            color: #FFF;
            box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
        }

        /* Large Rounded Cards */
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .card-glass:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-glow);
        }

        /* Buttons & Badges */
        .btn-gradient {
            background: var(--primary-grad);
            border: none;
            color: #FFF;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(255, 51, 102, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-gradient:hover {
            background: var(--primary-grad-hover);
            color: #FFF;
            box-shadow: 0 12px 26px rgba(255, 51, 102, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-pure);
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-glow:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-pure);
            color: #FFF;
            transform: translateY(-2px);
        }
        .capsule-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 700;
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-subtle);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
            animation: pulse-animation 2s infinite;
        }
        @keyframes pulse-animation {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(0, 245, 212, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
        }

        /* Category Specific Visual Styles */
        .category-hero {
            padding: 60px 0 45px;
            position: relative;
            background: linear-gradient(180deg, rgba(74, 21, 75, 0.15) 0%, rgba(11, 12, 16, 0) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .trust-checklist {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 22px 0 28px;
        }
        .trust-check-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.85rem;
            color: #E2E8F0;
        }
        .trust-check-item i {
            color: var(--accent-cyan);
        }

        .filter-capsules {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .filter-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            min-width: 70px;
            font-weight: 600;
        }
        .filter-btn {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            color: var(--text-body);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-btn:hover, .filter-btn.active {
            background: rgba(255, 51, 102, 0.2);
            border-color: #FF3366;
            color: #FFF;
        }

        /* Video Poster Media Card */
        .media-poster-box {
            position: relative;
            width: 100%;
            padding-top: 62%;
            border-radius: 16px;
            overflow: hidden;
            background: #171924;
        }
        .media-poster-box img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-glass:hover .media-poster-box img {
            transform: scale(1.05);
        }
        .poster-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(11, 12, 16, 0.85) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .play-float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 0 20px rgba(255, 51, 102, 0.6);
            opacity: 0.85;
            transform: scale(0.9);
            transition: all 0.3s ease;
        }
        .card-glass:hover .play-float-btn {
            opacity: 1;
            transform: scale(1.1);
        }
        .media-tag-pill {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(11, 12, 16, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--accent-gold);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 6px;
            backdrop-filter: blur(4px);
        }
        .media-duration-pill {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.75);
            color: #FFF;
            font-size: 0.72rem;
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* Leaderboard ranks */
        .rank-badge {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
        }
        .rank-1 { background: #FF3366; color: #FFF; box-shadow: 0 0 10px rgba(255, 51, 102, 0.5); }
        .rank-2 { background: #FF9900; color: #FFF; }
        .rank-3 { background: #FFD166; color: #111; }
        .rank-normal { background: rgba(255, 255, 255, 0.1); color: var(--text-muted); }

        /* Accordion customization */
        .custom-faq .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 16px !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .custom-faq .accordion-button {
            background: transparent;
            color: var(--text-pure);
            font-weight: 600;
            box-shadow: none;
            padding: 18px 24px;
        }
        .custom-faq .accordion-button:not(.collapsed) {
            color: #FF3366;
            background: rgba(255, 51, 102, 0.06);
            border-bottom: 1px solid var(--border-subtle);
        }
        .custom-faq .accordion-button::after {
            filter: invert(1);
        }
        .custom-faq .accordion-body {
            color: var(--text-body);
            line-height: 1.7;
            padding: 18px 24px;
        }

        /* Footer */
        .site-footer {
            background: #08090C;
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 25px;
            margin-top: 70px;
        }

        @media (max-width: 768px) {
            .category-hero { padding: 35px 0 25px; }
            .trust-checklist { gap: 10px; margin: 16px 0 20px; }
            .trust-check-item { font-size: 0.78rem; padding: 4px 12px; }
        }

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