/* roulang page: index */
:root {
            --bg-deep: #0B0D10;
            --bg-elev: #12151A;
            --bg-soft: #1B1F26;
            --line: rgba(255, 255, 255, 0.10);
            --line-neon: rgba(201, 255, 88, 0.5);
            --primary: #C9FF58;
            --secondary: #FF4D2E;
            --text-hi: #F0F2EA;
            --text-mid: #A8ADB8;
            --text-low: #717784;
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 10px 24px rgba(0, 0, 0, 0.28);
            --shadow-glow: 0 0 24px rgba(201, 255, 88, 0.07);
            --font-main: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-main);
            background-color: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        
        button {
            font-family: inherit;
            cursor: pointer;
        }
        
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }
        
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
            transition: background .3s, box-shadow .3s;
        }
        
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        
        .site-header.scrolled {
            background: rgba(8, 10, 12, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
            border-bottom: 1px solid rgba(201, 255, 88, 0.2);
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, rgba(201, 255, 88, 0.1) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0D10;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.02em;
        }
        
        .logo-text {
            font-weight: 800;
            font-size: 20px;
            color: var(--text-hi);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        
        .logo-text strong {
            color: var(--primary);
            font-weight: 900;
        }
        
        .logo-badge {
            font-size: 11px;
            background: rgba(201, 255, 88, 0.1);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .main-nav a.nav-link {
            padding: 10px 18px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            position: relative;
            white-space: nowrap;
            transition: color .25s, background .25s;
        }
        
        .main-nav a.nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        
        .main-nav a.nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        
        .main-nav a.nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(201, 255, 88, 0.4);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: 12px;
        }
        
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #14170E;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 14px;
            line-height: 1;
            height: 42px;
            padding: 0 22px;
            transition: all .25s ease;
            white-space: nowrap;
        }
        
        .btn-primary:hover {
            background: #DDEF7A;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(201, 255, 88, 0.2);
        }
        
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-hi);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            height: 42px;
            padding: 0 20px;
            transition: all .25s ease;
            white-space: nowrap;
        }
        
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 20px rgba(201, 255, 88, 0.06);
        }
        
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: transparent;
            color: #fff;
            font-size: 20px;
            align-items: center;
            justify-content: center;
        }
        
        .mobile-menu {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(7, 8, 11, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 24px;
            flex-direction: column;
        }
        
        .mobile-menu.open {
            display: flex;
        }
        
        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--line);
            padding-bottom: 20px;
        }
        
        .mobile-menu-close {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: #fff;
            font-size: 20px;
        }
        
        .mobile-menu-items {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin: 40px 0;
        }
        
        .mobile-menu-items a,
        .mobile-menu-items button {
            padding: 16px 14px;
            border-radius: 16px;
            font-size: 20px;
            font-weight: 600;
            color: var(--text-hi);
            background: transparent;
            border: 1px solid transparent;
            text-align: left;
        }
        
        .mobile-menu-items a:hover,
        .mobile-menu-items button:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.08);
        }
        
        .mobile-menu-items a.active {
            color: var(--primary);
            border-color: rgba(201, 255, 88, 0.2);
            background: rgba(201, 255, 88, 0.06);
        }
        
        .mobile-menu-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .article-banner {
            position: relative;
            padding: 90px 0 60px;
            background: 
                linear-gradient(100deg, rgba(11, 13, 16, 0.86) 20%, rgba(11, 13, 16, 0.45) 70%, rgba(11, 13, 16, 0.85) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(201, 255, 88, 0.18);
        }
        
        .breadcrumb {
            font-size: 14px;
            color: var(--text-low);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .breadcrumb a {
            color: var(--text-mid);
            transition: color .25s;
        }
        
        .breadcrumb a:hover {
            color: var(--primary);
        }
        
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        
        .breadcrumb .current {
            color: var(--primary);
        }
        
        .article-post-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 255, 88, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        
        .article-banner h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.22;
            margin: 20px 0 16px;
            max-width: 820px;
            letter-spacing: -0.01em;
            color: #fff;
        }
        
        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            font-size: 14px;
            color: var(--text-mid);
            margin-top: 12px;
        }
        
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .article-meta-item i {
            color: var(--primary);
            font-size: 13px;
            opacity: 0.8;
        }
        
        .article-layout {
            padding: 70px 0 96px;
            background: var(--bg-deep);
        }
        
        .article-wrap {
            display: flex;
            gap: 52px;
            align-items: flex-start;
        }
        
        .article-main {
            flex: 1;
            max-width: 760px;
            margin: 0 auto;
        }
        
        .article-content {
            font-size: 16.5px;
            color: rgba(240, 242, 234, 0.88);
        }
        
        .article-content h2 {
            font-size: 26px;
            font-weight: 800;
            margin: 44px 0 16px;
            color: #fff;
            line-height: 1.4;
            letter-spacing: -0.01em;
            padding-bottom: 12px;
            position: relative;
        }
        
        .article-content h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            box-shadow: 0 2px 14px rgba(201, 255, 88, 0.25);
        }
        
        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 32px 0 12px;
            color: var(--text-hi);
        }
        
        .article-content p {
            margin: 18px 0;
            line-height: 1.9;
        }
        
        .article-content ul,
        .article-content ol {
            padding-left: 4px;
            list-style: none;
        }
        
        .article-content ul li,
        .article-content ol li {
            position: relative;
            padding: 8px 0 8px 26px;
            line-height: 1.8;
        }
        
        .article-content ul li::before {
            content: '';
            position: absolute;
            left: 2px;
            top: 20px;
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--primary);
        }
        
        .article-content ol {
            counter-reset: list-num;
        }
        
        .article-content ol li::before {
            content: counter(list-num) '.';
            counter-increment: list-num;
            position: absolute;
            left: 0;
            font-weight: 800;
            color: var(--primary);
        }
        
        .article-content blockquote {
            margin: 30px 0;
            padding: 20px 26px;
            border-left: 3px solid var(--primary);
            background: rgba(201, 255, 88, 0.05);
            border-radius: 0 16px 16px 0;
            font-size: 16px;
            color: rgba(240, 242, 234, 0.8);
        }
        
        .article-content img {
            margin: 28px 0;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            width: 100%;
        }
        
        .article-img-caption {
            font-size: 13px;
            color: var(--text-low);
            text-align: center;
            margin: -16px 0 28px;
        }
        
        .article-divider {
            border: none;
            height: 1px;
            background: var(--line);
            margin: 40px 0;
        }
        
        .article-tags-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-low);
            margin-right: 4px;
        }
        
        .tag-pill {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            color: var(--text-mid);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
        }
        
        .feedback-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            background: linear-gradient(120deg, rgba(201, 255, 88, 0.05), rgba(255, 77, 46, 0.03));
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        
        .feedback-text {
            font-size: 15px;
            color: var(--text-mid);
        }
        
        .feedback-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-mid);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 14px;
            transition: all .25s ease;
            font-weight: 500;
        }
        
        .feedback-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(201, 255, 88, 0.06);
        }
        
        .feedback-btn.like {
            color: var(--text-hi);
        }
        
        .feedback-btn.like:hover {
            color: var(--primary);
        }
        
        .related-articles {
            margin-top: 64px;
        }
        
        .related-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 28px;
        }
        
        .related-heading i {
            color: var(--primary);
            font-size: 20px;
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .related-card {
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 18px;
            overflow: hidden;
            transition: transform .25s ease, border-color .25s ease;
        }
        
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 255, 88, 0.25);
        }
        
        .related-card-cover {
            height: 168px;
            overflow: hidden;
            position: relative;
        }
        
        .related-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        
        .related-card:hover .related-card-cover img {
            transform: scale(1.03);
        }
        
        .related-card-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 13, 16, 0.75);
            backdrop-filter: blur(8px);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        
        .related-card-body {
            padding: 16px 18px 20px;
        }
        
        .related-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--text-hi);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .related-card-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-low);
        }
        
        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-mid);
            transition: color .25s;
        }
        
        .back-btn i {
            transition: transform .25s;
        }
        
        .back-btn:hover {
            color: var(--primary);
        }
        
        .back-btn:hover i {
            transform: translateX(-4px);
        }
        
        /* FAQ */
        .faq-section {
            padding: 0 0 80px;
            background: var(--bg-deep);
            border-top: 1px solid transparent;
        }
        
        .cta-banner {
            background: linear-gradient(135deg, #14170E 0%, #1D220F 55%, rgba(201, 255, 88, 0.08) 130%);
            border: 1px solid rgba(201, 255, 88, 0.25);
            border-radius: 24px;
            padding: 48px 56px;
            text-align: center;
            margin: 0 auto 80px;
            position: relative;
            overflow: hidden;
        }
        
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(201, 255, 88, 0.03);
        }
        
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 900;
            margin-bottom: 10px;
        }
        
        .cta-banner h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        
        .cta-banner p {
            color: var(--text-mid);
            font-size: 15px;
            max-width: 620px;
            margin: 0 auto 28px;
        }
        
        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        /* ===== 站点页脚 ===== */
        .site-footer {
            background: #08080B;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 70px 0 0;
            position: relative;
        }
        
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(201, 255, 88, 0.4), transparent);
        }
        
        .footer-columns {
            display: grid;
            grid-template-columns: 1.6fr 0.8fr 1fr 1.1fr;
            gap: 48px;
        }
        
        .footer-brand .logo-text {
            font-size: 22px;
        }
        
        .footer-brand p {
            color: var(--text-low);
            font-size: 14px;
            line-height: 1.8;
            margin: 18px 0 24px;
            max-width: 340px;
        }
        
        .footer-social {
            display: flex;
            gap: 12px;
        }
        
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-mid);
            font-size: 15px;
            transition: all .25s;
        }
        
        .footer-social a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(201, 255, 88, 0.05);
        }
        
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .footer-links a {
            color: var(--text-low);
            font-size: 14px;
            transition: color .2s, padding-left .2s;
        }
        
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .footer-contact p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.6;
        }
        
        .footer-contact p i {
            color: var(--primary);
            width: 22px;
            margin-right: 4px;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            margin-top: 60px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: var(--text-low);
        }
        
        .footer-bottom a {
            color: var(--text-low);
            transition: color .25s;
        }
        
        .footer-bottom a:hover {
            color: var(--primary);
        }
        
        .intro-bar {
            background: linear-gradient(90deg, rgba(201, 255, 88, 0.05), rgba(201, 255, 88, 0.01));
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 50px 0;
            margin-top: -1px;
        }
        
        .intro-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        
        .intro-card {
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        
        .intro-card .icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201, 255, 88, 0.1);
            border: 1px solid rgba(201, 255, 88, 0.2);
            color: var(--primary);
            font-size: 18px;
        }
        
        .intro-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 6px;
        }
        
        .intro-card p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.6;
        }
        
        @media (max-width: 1024px) {
            .footer-columns {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-card-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        
        @media (max-width: 900px) {
            .main-nav,
            .nav-actions {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .container {
                padding: 0 20px;
            }
            .article-banner h1 {
                font-size: 34px;
            }
        }
        
        @media (max-width: 640px) {
            .article-banner {
                padding: 60px 0 40px;
            }
            .article-banner h1 {
                font-size: 27px;
            }
            .article-meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .article-content {
                font-size: 16px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .feedback-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .feedback-btns {
                display: flex;
                justify-content: center;
                gap: 12px;
            }
            .cta-banner {
                padding: 36px 24px;
                margin-bottom: 60px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .footer-columns {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
            .article-layout {
                padding: 50px 0 70px;
            }
            .footer-col h4 {
                margin-bottom: 14px;
            }
        }

/* roulang page: category1 */
:root {
  --bg-deep: #0b0d10;
  --bg-elev: #12151a;
  --bg-soft: #1b1f26;
  --line: rgba(255, 255, 255, 0.1);
  --line-neon: rgba(201, 255, 88, 0.5);
  --primary: #c9ff58;
  --secondary: #ff4d2e;
  --text-hi: #f0f2ea;
  --text-mid: #a8adb8;
  --text-low: #717784;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  --ease: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-deep);
  color: var(--text-hi);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease), transform var(--ease);
}
button {
  font-family: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  transition: all var(--ease);
}
ul,
ol {
  list-style: none;
}
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}
.section {
  padding: 104px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--text-hi);
  font-weight: 800;
}
.section-title span {
  color: var(--primary);
}
.section-sub {
  color: var(--text-low);
  font-size: 0.95rem;
  margin-top: 14px;
  max-width: 640px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--primary);
  padding: 6px 14px;
  border: 1px solid rgba(201, 255, 88, 0.25);
  background: rgba(201, 255, 88, 0.08);
  border-radius: 999px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  padding: 15px 26px;
  border: 1px solid transparent;
  transition: all var(--ease);
}
.btn i {
  font-size: 0.8rem;
}
.btn-primary {
  background: var(--primary);
  color: #0b0d10;
  border-color: var(--primary);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(201, 255, 88, 0.24);
}
.btn-ghost {
  background: transparent;
  color: var(--text-hi);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
  color: var(--primary);
  border-color: rgba(201, 255, 88, 0.55);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(201, 255, 88, 0.1);
  color: var(--primary);
  letter-spacing: 0.03em;
}
.tag-hot {
  background: rgba(255, 77, 46, 0.12);
  color: #ff8e74;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(11, 13, 16, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: all var(--ease);
}
.site-header.scrolled {
  background: rgba(8, 10, 13, 0.95);
  border-bottom-color: var(--line-neon);
}
.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  position: relative;
  z-index: 102;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: #0b0d10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: -0.02em;
}
.logo-text {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.logo-text strong {
  font-weight: 900;
  color: #fff;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  color: var(--text-mid);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.92rem;
  height: 48px;
  position: relative;
}
.nav-link.active {
  color: var(--primary);
  text-shadow: 0 0 22px rgba(201, 255, 88, 0.26);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 4px;
  border-radius: 4px;
  background: var(--primary);
  box-shadow: 0 8px 18px -8px rgba(201, 255, 88, 0.7);
}
.nav-link:hover {
  color: #fff;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-actions .btn {
  font-size: 0.85rem;
  padding: 11px 20px;
}
.nav-mobile-actions {
  display: none;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  color: var(--text-hi);
  position: relative;
  z-index: 102;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.menu-overlay {
  display: none;
}

/* Hero */
.cat-hero {
  padding: 184px 0 110px;
  background: radial-gradient(circle at 74% 10%, rgba(201, 255, 88, 0.09), transparent 30%), linear-gradient(rgba(11, 13, 16, 0.84), rgba(11, 13, 16, 0.97)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
  gap: 64px;
}
.cat-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.12;
  margin: 18px 0 22px;
  text-shadow: 0 8px 40px rgba(0, 0, 0, 0.32);
}
.cat-hero h1 em {
  font-style: normal;
  color: var(--primary);
}
.hero-lead {
  color: var(--text-mid);
  font-size: 1.03rem;
  max-width: 600px;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-card {
  background: rgba(18, 21, 26, 0.78);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-neon);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.hero-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.hero-card-title {
  font-weight: 800;
  font-size: 1.06rem;
}
.hero-card-list {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}
.hero-card-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid transparent;
}
.hero-card-item i {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: rgba(201, 255, 88, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}
.hero-card-item span {
  font-size: 0.88rem;
  color: var(--text-mid);
}
.hero-card-more {
  display: block;
  font-size: 0.85rem;
  color: var(--primary);
  text-align: right;
  margin-top: 6px;
}

/* Spotlight track */
.spotlight-section {
  background: var(--bg-deep);
}
.spotlight-wrap {
  position: relative;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
  margin: -4px;
  padding: 4px 4px 30px 4px;
}
.spotlight-wrap::-webkit-scrollbar {
  display: none;
}
.spotlight-track {
  display: flex;
  gap: 24px;
  width: max-content;
}
.spotlight-card {
  width: min(410px, 84vw);
  scroll-snap-align: start;
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  transition: all var(--ease);
}
.spotlight-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 255, 88, 0.32);
  box-shadow: 0 0 28px rgba(201, 255, 88, 0.06), 0 18px 34px rgba(0, 0, 0, 0.26);
}
.spot-img {
  height: 218px;
  overflow: hidden;
  position: relative;
}
.spot-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.spotlight-card:hover .spot-img img {
  transform: scale(1.04);
}
.spot-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 13, 16, 0.55), transparent 55%);
}
.spot-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}
.spot-body {
  padding: 22px 20px 24px;
}
.spot-body h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.spot-body p {
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.7;
}
.slide-ctrl {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}
.slide-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-hi);
  background: var(--bg-elev);
}
.slide-btn:hover {
  color: var(--primary);
  border-color: rgba(201, 255, 88, 0.5);
}

/* Guide timeline */
.guide-section {
  background: var(--bg-elev);
  position: relative;
}
.guide-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(201, 255, 88, 0.04), transparent 40%);
  pointer-events: none;
}
.guide-wrap {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.guide-steps {
  display: grid;
  gap: 0;
  border-left: 2px solid rgba(201, 255, 88, 0.28);
  margin-left: 8px;
}
.guide-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  position: relative;
  padding: 0 0 30px 0;
}
.guide-step:last-child {
  padding-bottom: 0;
}
.guide-step::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 5px rgba(201, 255, 88, 0.12);
}
.guide-step .step-no {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(201, 255, 88, 0.34);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.guide-step h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.guide-step p {
  color: var(--text-mid);
  font-size: 0.92rem;
}
.guide-visual {
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.guide-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}
.guide-note {
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(201, 255, 88, 0.08);
  border: 1px solid rgba(201, 255, 88, 0.18);
  color: var(--text-hi);
  font-size: 0.94rem;
}
.guide-note i {
  color: var(--primary);
  margin-right: 8px;
}

/* Topic rows */
.topic-section {
  background: var(--bg-deep);
}
.topic-list {
  display: grid;
  gap: 14px;
}
.topic-row {
  display: grid;
  grid-template-columns: 44px 100px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  border-radius: 18px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  transition: all var(--ease);
}
.topic-row:hover {
  border-color: rgba(201, 255, 88, 0.28);
  background: var(--bg-soft);
  transform: translateX(6px);
}
.topic-id {
  font-size: 1.05rem;
  font-weight: 900;
  color: rgba(201, 255, 88, 0.5);
}
.topic-cat {
  justify-self: start;
}
.topic-main strong {
  display: block;
  font-size: 1.03rem;
  color: var(--text-hi);
}
.topic-main p {
  color: var(--text-mid);
  font-size: 0.88rem;
  margin-top: 5px;
  max-width: 620px;
}
.topic-more {
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Voice */
.voice-section {
  background: var(--bg-deep);
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.voice-track {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(201,255,88,0.2) transparent;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
}
.voice-card {
  min-width: 310px;
  max-width: 390px;
  scroll-snap-align: start;
  border-radius: 20px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  display: grid;
  gap: 14px;
}
.voice-stars {
  color: #f7c660;
  font-size: 0.8rem;
  letter-spacing: 2px;
}
.voice-text {
  color: var(--text-hi);
  font-size: 0.94rem;
  line-height: 1.85;
}
.voice-user {
  display: flex;
  align-items: center;
  gap: 11px;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: rgba(201, 255, 88, 0.12);
  color: var(--primary);
}
.voice-user span {
  font-size: 0.88rem;
  font-weight: 600;
}
.voice-user small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-low);
  font-weight: 400;
}

/* FAQ */
.faq-section {
  background: var(--bg-elev);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 28px;
}
.faq-item {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 20px;
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  color: var(--text-hi);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .arrow-icon {
  margin-left: auto;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(201, 255, 88, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: transform 0.3s ease, background 0.3s ease;
}
.faq-item[open] {
  border-color: rgba(201, 255, 88, 0.3);
}
.faq-item[open] summary .arrow-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #0b0d10;
}
.faq-no {
  color: var(--text-low);
  font-size: 0.85rem;
  font-weight: 900;
  width: 24px;
  flex-shrink: 0;
}
.faq-answer {
  padding: 0 22px 22px 58px;
  color: var(--text-mid);
  font-size: 0.92rem;
}

/* CTA */
.cta-section {
  background: radial-gradient(circle at 50% 30%, rgba(201, 255, 88, 0.12), transparent 38%), url('/assets/images/backpic/back-3.webp') center center / cover no-repeat, var(--bg-deep);
  position: relative;
  padding: 0;
}
.cta-box {
  padding: 96px 0;
  text-align: center;
}
.cta-box h2 {
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  margin-top: 18px;
}
.cta-box p {
  color: var(--text-mid);
  max-width: 560px;
  margin: 16px auto 32px;
}

/* Footer */
.site-footer {
  background: #080a0d;
  border-top: 1px solid var(--line);
  padding-top: 60px;
  color: var(--text-mid);
}
.footer-columns {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 44px;
}
.footer-brand .logo {
  margin-bottom: 18px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-mid);
  margin-bottom: 18px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  color: var(--text-mid);
}
.footer-social a:hover {
  color: var(--primary);
  border-color: rgba(201, 255, 88, 0.42);
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-hi);
  margin-bottom: 18px;
  padding-left: 12px;
  position: relative;
}
.footer-col h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 3px;
  border-radius: 4px;
  background: var(--primary);
}
.footer-links {
  display: grid;
  gap: 10px;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-mid);
}
.footer-links a:hover {
  color: var(--primary);
}
.footer-contact {
  display: grid;
  gap: 10px;
  font-size: 0.86rem;
}
.footer-contact p i {
  width: 22px;
  color: var(--primary);
  margin-right: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-low);
}
.footer-bottom a {
  color: var(--text-low);
}
.footer-bottom a:hover {
  color: var(--primary);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .guide-wrap {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }
  .topic-row {
    grid-template-columns: 42px 100px minmax(0, 1fr);
  }
  .topic-more {
    display: none;
  }
}
@media (max-width: 960px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -96%;
    width: min(460px, 88vw);
    height: 100dvh;
    z-index: 101;
    background: rgba(10, 12, 15, 0.98);
    backdrop-filter: blur(22px);
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 110px 40px 40px;
    gap: 2px;
    right: -100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
  }
  .main-nav.open {
    right: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-link {
    height: auto;
    padding: 13px 0;
    font-size: 1.15rem;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    justify-content: space-between;
  }
  .nav-link::after {
    display: none;
  }
  .nav-mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 28px;
  }
  .nav-mobile-actions .btn {
    width: 100%;
  }
  .nav-actions {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .menu-overlay.open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
  }
  .section {
    padding: 70px 0;
  }
  .cat-hero {
    padding: 128px 0 68px;
  }
}
@media (max-width: 768px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .header-inner {
    height: 66px;
  }
  .cat-hero {
    padding-top: 110px;
  }
  .topic-row {
    grid-template-columns: 34px 1fr;
    gap: 12px;
    padding: 16px 16px;
  }
  .topic-cat {
    display: none;
  }
  .topic-main p {
    font-size: 0.84rem;
  }
  .guide-step {
    grid-template-columns: 46px 1fr;
  }
}
@media (max-width: 560px) {
  .hero-actions .btn {
    width: 100%;
  }
  .section-head {
    margin-bottom: 28px;
  }
  .voice-card {
    min-width: 78vw;
  }
  .footer-columns {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: left;
  }
  .footer-social a {
    width: 44px;
    height: 44px;
  }
  .cta-box {
    padding: 72px 0;
  }
  .cta-box .btn {
    width: 100%;
  }
  .spotlight-card {
    width: 88vw;
  }
  .faq-answer {
    padding: 0 16px 20px 34px;
  }
  .logo-text {
    font-size: 1rem;
  }
}

/* roulang page: article */
:root {
            --bg-deep: #0B0D10;
            --bg-elev: #12151A;
            --bg-soft: #1B1F26;
            --line: rgba(255, 255, 255, 0.10);
            --line-neon: rgba(201, 255, 88, 0.5);
            --primary: #C9FF58;
            --secondary: #FF4D2E;
            --text-hi: #F0F2EA;
            --text-mid: #A8ADB8;
            --text-low: #717784;
            --radius-lg: 24px;
            --radius-md: 16px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-hi);
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease, border-color .25s ease, background .25s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        ::selection {
            background: rgba(201, 255, 88, .25);
            color: #fff;
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(11, 13, 16, .78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 0 rgba(201, 255, 88, .08);
        }

        .site-header .container {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #000;
            font-size: 15px;
            font-weight: 900;
            letter-spacing: .6px;
            border-radius: 12px;
            box-shadow: 0 0 18px rgba(201, 255, 88, .25);
            transition: transform .2s ease;
        }

        .brand:hover .brand-icon {
            transform: translateY(-2px);
        }

        .brand-name {
            display: inline-flex;
            align-items: baseline;
            font-size: 21px;
            font-weight: 700;
            letter-spacing: .4px;
            color: var(--text-hi);
            white-space: nowrap;
        }

        .brand-name b {
            color: var(--primary);
            font-weight: 900;
            font-size: 23px;
            margin-right: 2px;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 30px;
            flex: 1;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            color: var(--text-mid);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
        }

        .nav-link:hover {
            color: #ffffff;
        }

        .nav-link.active {
            color: var(--primary);
            text-shadow: 0 0 16px rgba(201, 255, 88, .3);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 18px;
            height: 3px;
            border-radius: 6px;
            transform: translateX(-50%);
            background: var(--primary);
            box-shadow: 0 8px 18px -6px rgba(201, 255, 88, .8);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 14px;
            border: 1px solid transparent;
            padding: 10px 18px;
            min-height: 40px;
            cursor: pointer;
            transition: all .25s cubic-bezier(.4, 0, .2, 1);
        }

        .btn-primary {
            background: var(--primary);
            color: #0a0c0f;
            box-shadow: 0 0 0 1px rgba(201, 255, 88, .2), 0 4px 18px rgba(201, 255, 88, .12);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            background: #d9ff79;
            box-shadow: 0 0 28px rgba(201, 255, 88, .22);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, .25);
            color: var(--text-hi);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--bg-elev);
            border: 1px solid var(--line);
            color: var(--text-hi);
            padding: 10px 20px;
        }

        .btn-dark:hover {
            border-color: var(--line-neon);
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .16);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            color: var(--text-hi);
            font-size: 20px;
            cursor: pointer;
            z-index: 1200;
            transition: border .2s;
        }

        .nav-toggle:hover {
            border-color: rgba(201, 255, 88, .5);
        }

        .article-hero {
            position: relative;
            padding: 62px 0 42px;
            background:
                linear-gradient(180deg, rgba(11, 13, 16, .88) 0%, rgba(11, 13, 16, .97) 100%),
                url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 28px;
        }

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

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

        .breadcrumb .sep {
            opacity: .5;
        }

        .breadcrumb .current {
            color: var(--text-low);
            max-width: 220px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-heading {
            max-width: 880px;
            animation: riseIn .6s ease-out both;
        }

        @keyframes riseIn {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .article-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            line-height: 1;
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 999px;
        }

        .badge-neon {
            background: rgba(201, 255, 88, .1);
            color: var(--primary);
            border: 1px solid rgba(201, 255, 88, .28);
        }

        .badge-hot {
            background: rgba(255, 77, 46, .12);
            color: #ff927a;
            border: 1px solid rgba(255, 77, 46, .28);
        }

        .badge-gray {
            background: var(--bg-soft);
            color: var(--text-mid);
            border: 1px solid var(--line);
        }

        .article-heading h1 {
            font-size: clamp(30px, 4.5vw, 48px);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: .5px;
            color: #fff;
            margin-bottom: 24px;
            max-width: 840px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 22px;
            color: var(--text-mid);
            font-size: 14px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .meta-item i {
            color: var(--primary);
            opacity: .85;
            font-size: 15px;
        }

        .article-section {
            padding: 40px 0 24px;
        }

        .article-main {
            max-width: 760px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-body {
            background: var(--bg-elev);
            border: 1px solid var(--line);
            border-radius: 28px;
            padding: 42px 44px 36px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
            position: relative;
        }

        .article-body::before {
            content: "";
            position: absolute;
            inset: -1px auto auto 0;
            height: 1px;
            width: 60%;
            background: linear-gradient(90deg, rgba(201, 255, 88, .65), transparent);
            border-radius: 100%;
        }

        .cms-content {
            color: #dfe3ea;
            font-size: 16px;
            line-height: 1.9;
            word-break: break-word;
        }

        .cms-content p {
            margin: 18px 0;
        }

        .cms-content h2,
        .cms-content h3,
        .cms-content h4 {
            color: #ffffff;
            font-weight: 800;
            margin: 32px 0 14px;
            line-height: 1.4;
        }

        .cms-content h2 {
            font-size: 25px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            padding-bottom: 12px;
        }

        .cms-content h3 {
            font-size: 20px;
        }

        .cms-content h4 {
            font-size: 18px;
        }

        .cms-content ul {
            list-style: disc;
            padding-left: 24px;
            margin: 20px 0;
        }

        .cms-content ol {
            list-style: decimal;
            padding-left: 24px;
            margin: 20px 0;
        }

        .cms-content li {
            margin-bottom: 8px;
        }

        .cms-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(201, 255, 88, .06);
            padding: 18px 22px;
            border-radius: 0 16px 16px 0;
            margin: 24px 0;
            color: #d9e0d0;
        }

        .cms-content img {
            width: 100%;
            border-radius: 16px;
            margin: 24px 0;
            object-fit: cover;
        }

        .cms-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(201, 255, 88, .4);
            padding-bottom: 1px;
        }

        .cms-content a:hover {
            border-bottom-color: var(--primary);
        }

        .cms-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }

        .cms-content th,
        .cms-content td {
            border: 1px solid var(--line);
            padding: 12px 14px;
            text-align: left;
        }

        .cms-content th {
            background: var(--bg-soft);
            color: var(--primary);
        }

        .article-footer-block {
            margin-top: 34px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .tag-title {
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 14px;
            letter-spacing: .4px;
            text-transform: uppercase;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            background: var(--bg-soft);
            border: 1px solid var(--line);
            color: var(--text-mid);
            padding: 7px 14px;
            border-radius: 999px;
            font-size: 13px;
            line-height: 1.2;
        }

        .tag a,
        a.tag {
            color: var(--text-mid);
        }

        a.tag:hover {
            border-color: rgba(201, 255, 88, .35);
            color: var(--primary);
        }

        .review-single {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 26px;
        }

        .review-single i {
            color: var(--primary);
        }

        .feedback-panel {
            background: linear-gradient(90deg, rgba(201, 255, 88, .05), rgba(255, 255, 255, .02));
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin: 10px 0 12px;
        }

        .feedback-label {
            color: #d5dae0;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .feedback-label i {
            color: var(--primary);
        }

        .feedback-actions {
            display: flex;
            gap: 10px;
        }

        .feedback-btn {
            border: 1px solid rgba(255, 255, 255, .14);
            background: var(--bg-elev);
            color: var(--text-mid);
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s;
        }

        .feedback-btn i {
            margin-right: 5px;
        }

        .feedback-btn:hover {
            color: var(--primary);
            border-color: rgba(201, 255, 88, .5);
            background: rgba(201, 255, 88, .06);
        }

        .feedback-btn.feedback-active {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(201, 255, 88, .1);
        }

        .feedback-reply {
            width: 100%;
            color: var(--primary);
            font-size: 13px;
            display: none;
            padding-top: 6px;
        }

        .feedback-reply.visible {
            display: block;
            animation: fadeIn .3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .article-bottom-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .latest-section-wrap {
            padding: 70px 0 40px;
            scroll-margin-top: 70px;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 42px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-eyebrow::before,
        .section-eyebrow::after {
            content: "";
            height: 1px;
            width: 28px;
            background: rgba(201, 255, 88, .4);
        }

        .section-head h2 {
            font-size: clamp(25px, 3vw, 36px);
            font-weight: 900;
            color: #ffffff;
            letter-spacing: .5px;
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .section-head p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.75;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 30px;
        }

        .related-card {
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: 20px;
            overflow: hidden;
            transition: all .3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 255, 88, .35);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .25), 0 0 24px rgba(201, 255, 88, .04);
        }

        .related-card .cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-soft);
        }

        .related-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .related-card .c-label {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 13, 16, .75);
            border: 1px solid rgba(201, 255, 88, .3);
            color: var(--primary);
            backdrop-filter: blur(8px);
            padding: 5px 11px;
            font-size: 12px;
            border-radius: 999px;
        }

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

        .related-card .card-body h3 {
            font-size: 17px;
            line-height: 1.55;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body p {
            color: var(--text-mid);
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .related-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        .related-card .card-link i {
            margin-left: 4px;
            transition: transform .2s;
        }

        .related-card:hover .card-link i {
            transform: translateX(4px);
        }

        .not-found-section {
            padding: 90px 0 60px;
        }

        .not-found-box {
            max-width: 760px;
            margin: 0 auto;
            background: var(--bg-elev);
            border: 1px solid var(--line);
            border-radius: 28px;
            padding: 70px 40px;
            text-align: center;
        }

        .not-found-icon {
            width: 92px;
            height: 92px;
            margin: 0 auto 26px;
            background: rgba(201, 255, 88, .08);
            border: 1px solid rgba(201, 255, 88, .18);
            border-radius: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 36px;
        }

        .not-found-box h1 {
            font-size: 32px;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .not-found-box p {
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .btn-group {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-band {
            padding: 70px 0 90px;
        }

        .cta-card {
            background:
                linear-gradient(135deg, rgba(201, 255, 88, .1) 0%, transparent 32%),
                linear-gradient(135deg, var(--bg-elev), #0f1216);
            border: 1px solid rgba(201, 255, 88, .2);
            border-radius: 30px;
            padding: 54px 48px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(201, 255, 88, .6), transparent);
        }

        .cta-content {
            max-width: 620px;
        }

        .cta-content h2 {
            font-size: clamp(24px, 2.8vw, 33px);
            font-weight: 900;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .cta-content p {
            color: var(--text-mid);
            line-height: 1.8;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .site-footer {
            background: #090b0e;
            border-top: 1px solid var(--line);
            padding-top: 64px;
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.9fr 1.1fr;
            gap: 38px;
            padding-bottom: 44px;
        }

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 22px;
        }

        .footer-brand p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.9;
            margin-bottom: 22px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            background: var(--bg-soft);
            color: var(--text-mid);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: .2s;
        }

        .footer-social a:hover {
            color: var(--primary);
            border: 1px solid rgba(201, 255, 88, .3);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .6px;
            border-left: 3px solid var(--primary);
            padding-left: 12px;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: var(--text-mid);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 3px;
        }

        .footer-contact p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.9;
            margin-bottom: 10px;
        }

        .footer-contact p i {
            width: 22px;
            color: var(--primary);
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
        }

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

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

        @media (max-width: 960px) {
            .nav-toggle {
                display: flex;
            }

            .nav-wrap {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                min-height: 560px;
                background: rgba(9, 11, 14, .98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                padding: 100px 32px 32px;
                transform: translateX(105%);
                transition: transform .35s cubic-bezier(.4, 0, .2, 1);
                z-index: 1100;
                align-items: flex-start;
                overflow-y: auto;
            }

            .nav-wrap.is-open {
                transform: translateX(0);
            }

            .nav-wrap .nav-inner {
                display: flex;
                flex-direction: column;
                gap: 30px;
                width: 100%;
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                margin: 0;
                gap: 4px;
            }

            .main-nav .nav-link {
                font-size: 19px;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
                padding: 15px 2px;
                border-radius: 0;
            }

            .nav-link.active::after {
                left: 0;
                transform: none;
                width: 28px;
                bottom: 8px;
                margin-left: 2px;
                height: 3px;
            }

            .nav-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .nav-actions .btn {
                width: 100%;
            }

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

        @media (max-width: 768px) {
            .article-hero {
                padding: 44px 0 30px;
            }

            .article-body {
                padding: 28px 22px;
                border-radius: 20px;
            }

            .article-main {
                max-width: 100%;
                padding: 0 16px;
            }

            .article-section {
                padding-top: 26px;
            }

            .article-meta-row {
                gap: 14px;
            }

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

            .section-head {
                margin-bottom: 30px;
            }

            .cta-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 36px 24px;
                border-radius: 22px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .feedback-panel {
                flex-direction: column;
                align-items: flex-start;
            }

            .feedback-actions {
                width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .not-found-box {
                padding: 44px 24px;
            }

            .not-found-box h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-icon {
                width: 38px;
                height: 38px;
                font-size: 13px;
            }

            .brand-name {
                font-size: 18px;
            }

            .brand-name b {
                font-size: 20px;
            }

            .site-header .container {
                min-height: 68px;
            }

            .nav-wrap {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0B0D10;
            --bg-elev: #12151A;
            --bg-soft: #1B1F26;
            --line: rgba(255, 255, 255, 0.10);
            --line-neon: rgba(201, 255, 88, 0.5);
            --primary: #C9FF58;
            --secondary: #FF4D2E;
            --text-hi: #F0F2EA;
            --text-mid: #A8ADB8;
            --text-low: #717784;
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
            --font-main: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg-deep);
            color: var(--text-hi);
            font-family: var(--font-main);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            vertical-align: middle;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            width: min(1200px, 92%);
            margin-inline: auto;
        }

        .section {
            position: relative;
            padding: 96px 0;
        }

        .section-head {
            max-width: 860px;
            margin-bottom: 48px;
        }

        .section-head--center {
            margin-inline: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 900;
            letter-spacing: 0.01em;
            color: var(--text-hi);
            margin-top: 10px;
        }

        h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-hi);
        }

        p {
            margin: 0;
        }

        .lead-text {
            font-size: 17px;
            color: var(--text-mid);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 12, 15, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 80px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            line-height: 1;
        }

        .logo-mark {
            background: var(--primary);
            color: #0B0D10;
            font-weight: 900;
            font-size: 16px;
            padding: 9px 10px 8px;
            border-radius: 10px;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 500;
            color: var(--text-mid);
            letter-spacing: 0.02em;
        }

        .logo-text strong {
            color: var(--text-hi);
            font-weight: 900;
        }

        .header-nav-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 20px;
        }

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

        .nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-mid);
            border-radius: 10px;
            transition: color 0.25s ease, background 0.25s ease;
        }

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

        .nav-link.active {
            color: var(--primary);
            background: rgba(201, 255, 88, 0.06);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 22%;
            right: 22%;
            bottom: -4px;
            height: 3px;
            background: var(--primary);
            border-radius: 99px;
            box-shadow: 0 8px 18px -8px rgba(201, 255, 88, 0.7);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
            border-radius: 12px;
            padding: 12px 22px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1.2;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #0B0D10;
            box-shadow: 0 8px 24px -12px rgba(201, 255, 88, 0.9);
        }

        .btn-primary:hover {
            background: #dfff7c;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px -10px rgba(201, 255, 88, 0.5);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.22);
            color: var(--text-hi);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 9px 16px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 15px 30px;
            font-size: 17px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 0;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 12px;
            background: var(--bg-elev);
            cursor: pointer;
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-hi);
            border-radius: 99px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-low);
            margin-bottom: 22px;
        }

        .breadcrumb a {
            color: var(--text-mid);
            transition: color 0.25s ease;
        }

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

        .breadcrumb i {
            font-size: 10px;
            opacity: 0.6;
        }

        .category-hero {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 720px;
            padding: 80px 0 90px;
            background:
                radial-gradient(900px 420px at 12% -10%, rgba(201, 255, 88, 0.11), transparent 60%),
                linear-gradient(180deg, rgba(15, 18, 14, 0.25), rgba(11, 13, 16, 0.95)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.85fr);
            align-items: center;
            gap: 72px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(201, 255, 88, 0.32);
            background: rgba(201, 255, 88, 0.08);
            color: var(--primary);
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
        }

        .hero-title {
            font-size: clamp(46px, 7vw, 82px);
            font-weight: 900;
            line-height: 1.05;
            letter-spacing: 0.01em;
            color: var(--text-hi);
            margin: 20px 0 24px;
        }

        .hero-title span {
            color: var(--primary);
        }

        .hero-lead {
            font-size: 18px;
            line-height: 1.85;
            color: var(--text-mid);
            max-width: 560px;
            margin-bottom: 34px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 34px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 22px;
            color: var(--text-mid);
            font-size: 14px;
        }

        .hero-meta i {
            color: var(--primary);
            margin-right: 6px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual::before {
            content: "";
            position: absolute;
            inset: -18px;
            border-radius: 60px;
            background: radial-gradient(300px 300px at 70% 20%, rgba(201, 255, 88, 0.16), transparent 65%);
        }

        .hero-card {
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(18, 21, 26, 0.75);
            border-radius: 32px;
            padding: 16px;
            box-shadow: var(--shadow);
            transform: rotate(1.5deg);
        }

        .hero-card::after {
            content: "";
            position: absolute;
            top: -1px;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(201, 255, 88, 0.7), transparent);
        }

        .hero-card img {
            display: block;
            width: 100%;
            aspect-ratio: 4 / 5;
            object-fit: cover;
            border-radius: 20px;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 14px 6px 4px;
        }

        .hero-badge span:first-child {
            color: var(--text-hi);
            font-weight: 800;
            font-size: 15px;
        }

        .hero-badge span:last-child {
            color: var(--secondary);
            font-size: 13px;
        }

        .split-section {
            background: linear-gradient(180deg, rgba(18, 21, 26, 0.1), rgba(18, 21, 26, 0.75));
        }

        .split-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 72px;
            align-items: center;
        }

        .split-media {
            position: relative;
        }

        .split-media::before {
            content: "";
            position: absolute;
            top: -20px;
            left: -20px;
            width: 70px;
            height: 70px;
            border-radius: 24px;
            border: 1px solid rgba(201, 255, 88, 0.4);
            border-top-color: transparent;
        }

        .media-card {
            border-radius: 28px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow);
        }

        .media-card img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

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

        .media-caption {
            margin-top: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-low);
            font-size: 14px;
        }

        .media-caption::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
        }

        .split-content .lead-text {
            margin-bottom: 24px;
        }

        .check-list {
            display: grid;
            gap: 16px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 18px;
            padding: 16px 18px;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .check-list li:hover {
            border-color: rgba(201, 255, 88, 0.3);
            background: rgba(201, 255, 88, 0.04);
        }

        .check-list i {
            color: var(--primary);
            margin-top: 5px;
            font-size: 15px;
        }

        .check-list strong {
            display: block;
            font-size: 16px;
            color: var(--text-hi);
            margin-bottom: 3px;
        }

        .check-list small {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
        }

        .signal-section {
            background: #0b0e11;
        }

        .section-signal {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            gap: 72px;
            align-items: center;
        }

        .signal-intro p {
            margin: 24px 0 28px;
            color: var(--text-mid);
        }

        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--primary);
        }

        .link-more i {
            transition: transform 0.3s ease;
        }

        .link-more:hover i {
            transform: translateX(5px);
        }

        .signal-lines {
            display: grid;
            gap: 18px;
        }

        .signal-line {
            display: grid;
            grid-template-columns: 58px 1fr;
            gap: 20px;
            align-items: start;
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            padding: 28px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .signal-line:hover {
            transform: translateY(-3px);
            border-color: rgba(201, 255, 88, 0.35);
        }

        .signal-line--hot {
            background: linear-gradient(135deg, rgba(255, 77, 46, 0.16), rgba(18, 21, 26, 0.8) 65%);
            border-color: rgba(255, 77, 46, 0.4);
        }

        .signal-line--hot .signal-no {
            color: var(--secondary);
        }

        .signal-no {
            font-size: 30px;
            font-weight: 900;
            line-height: 1;
            color: rgba(201, 255, 88, 0.6);
        }

        .signal-line p {
            color: var(--text-mid);
            margin-top: 8px;
            font-size: 15px;
        }

        .content-list-wrap {
            display: grid;
            gap: 16px;
        }

        .detail-row {
            display: grid;
            grid-template-columns: 70px minmax(0, 1fr) auto;
            gap: 24px;
            align-items: center;
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 22px;
            padding: 26px 30px;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .detail-row:hover {
            transform: translateY(-3px);
            border-color: rgba(201, 255, 88, 0.32);
            box-shadow: 0 20px 36px -24px rgba(0, 0, 0, 0.8);
        }

        .detail-idx {
            font-size: 26px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            opacity: 0.88;
        }

        .detail-body h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }

        .detail-body p {
            color: var(--text-mid);
            font-size: 15px;
        }

        .detail-tag {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            color: var(--text-mid);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 5px 13px;
            white-space: nowrap;
        }

        .process-section {
            background: linear-gradient(180deg, rgba(27, 31, 38, 0.22), rgba(11, 13, 16, 0.1));
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr auto 1fr;
            gap: 22px;
            align-items: stretch;
        }

        .process-step {
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            padding: 34px 30px;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .process-step:hover {
            transform: translateY(-3px);
            border-color: rgba(201, 255, 88, 0.32);
        }

        .process-step .step-num {
            font-size: 42px;
            font-weight: 900;
            line-height: 1;
            color: rgba(201, 255, 88, 0.3);
        }

        .process-step h3 {
            margin: 24px 0 10px;
        }

        .process-step p {
            color: var(--text-mid);
            font-size: 15px;
        }

        .process-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            align-items: start;
        }

        .faq-item {
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 22px 24px;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .faq-item[open] {
            border-color: rgba(201, 255, 88, 0.32);
            background: rgba(201, 255, 88, 0.025);
        }

        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            list-style: none;
            color: var(--text-hi);
            font-weight: 700;
            font-size: 17px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid rgba(201, 255, 88, 0.4);
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: rgba(201, 255, 88, 0.12);
        }

        .faq-item .faq-answer {
            padding-top: 16px;
            margin-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.9;
        }

        .guide-section {
            background: #0b0e11;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 22px;
        }

        .guide-card {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: var(--bg-elev);
            border-radius: 24px;
            padding: 34px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 255, 88, 0.38);
        }

        .guide-card .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            background: rgba(201, 255, 88, 0.08);
            border: 1px solid rgba(201, 255, 88, 0.2);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
        }

        .guide-card h3 {
            font-size: 24px;
            margin: 18px 0 12px;
        }

        .guide-card p {
            color: var(--text-mid);
            font-size: 15px;
            margin-bottom: 22px;
        }

        .guide-card a.link-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 800;
        }

        .guide-card a.link-text i {
            transition: transform 0.3s ease;
        }

        .guide-card a.link-text:hover i {
            transform: translateX(5px);
        }

        .cta-section {
            padding: 80px 0 120px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 40px;
            align-items: center;
            padding: 64px;
            border-radius: 32px;
            background:
                radial-gradient(500px 220px at 82% 10%, rgba(201, 255, 88, 0.22), transparent 70%),
                linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(11, 13, 16, 0.3)),
                var(--bg-elev);
            border: 1px solid rgba(201, 255, 88, 0.3);
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            top: -140px;
            right: -120px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1px solid rgba(201, 255, 88, 0.16);
        }

        .cta-kicker {
            color: var(--primary);
            font-weight: 700;
            letter-spacing: 0.1em;
            font-size: 13px;
        }

        .cta-panel h2 {
            font-size: clamp(28px, 4vw, 42px);
            margin: 12px 0 18px;
        }

        .cta-panel p {
            color: var(--text-mid);
            max-width: 560px;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .site-footer {
            background: #080a0c;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 56px;
            padding: 72px 0 46px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-mid);
            font-size: 15px;
            max-width: 350px;
            line-height: 1.8;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            color: var(--text-mid);
            transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }

        .footer-social a:hover {
            color: var(--primary);
            border-color: rgba(201, 255, 88, 0.4);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 17px;
            color: var(--text-hi);
            position: relative;
            padding-bottom: 12px;
            margin-bottom: 18px;
        }

        .footer-col h4::before {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 99px;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-mid);
            font-size: 14px;
            width: max-content;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

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

        .footer-contact {
            display: grid;
            gap: 14px;
            color: var(--text-mid);
            font-size: 14px;
        }

        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
            width: 18px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            color: var(--text-low);
            font-size: 14px;
        }

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

        @media (max-width: 1024px) {
            .hero-grid {
                gap: 48px;
            }

            .split-grid,
            .section-signal {
                gap: 48px;
            }

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

            .process-arrow {
                transform: rotate(90deg);
                padding: 8px 0;
            }

            .footer-columns {
                grid-template-columns: 1fr 1fr;
                gap: 44px;
            }
        }

        @media (max-width: 960px) {
            .nav-toggle {
                display: inline-flex;
            }

            .header-nav-wrap {
                position: fixed;
                inset: 0;
                background: rgba(7, 9, 12, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: center;
                gap: 28px;
                padding: 36px 24px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-16px);
                transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
            }

            .header-nav-wrap.open {
                opacity: 1;
                visibility: visible;
                transform: none;
            }

            .main-nav {
                flex-direction: column;
                align-items: center;
                gap: 4px;
            }

            .nav-link {
                font-size: 20px;
                padding: 12px 20px;
            }

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

            .header-tools {
                flex-direction: column;
                width: min(320px, 100%);
            }

            .header-tools .btn {
                width: 100%;
            }

            .section-signal {
                grid-template-columns: 1fr;
            }

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

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

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 44px;
            }

            .section {
                padding: 72px 0;
            }

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

        @media (max-width: 768px) {
            .category-hero {
                min-height: auto;
                padding: 60px 0 70px;
            }

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

            .hero-card {
                max-width: 420px;
                margin: 0 auto;
            }

            .section-signal,
            .split-grid,
            .cta-panel {
                gap: 32px;
            }

            .detail-row {
                grid-template-columns: 60px minmax(0, 1fr);
                gap: 18px;
                padding: 22px 22px;
            }

            .detail-tag {
                display: none;
            }

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

        @media (max-width: 640px) {
            .section {
                padding: 60px 0;
            }

            .container {
                width: 90%;
            }

            .header-inner {
                height: 68px;
                gap: 12px;
            }

            .logo-text {
                font-size: 18px;
            }

            .hero-title {
                font-size: 42px;
            }

            .hero-lead {
                font-size: 16px;
            }

            .signal-line {
                grid-template-columns: 1fr;
                padding: 22px;
            }

            .detail-row {
                grid-template-columns: 1fr;
                padding: 24px;
            }

            .detail-idx {
                font-size: 22px;
            }

            .process-step {
                padding: 26px 22px;
            }

            .footer-columns {
                grid-template-columns: 1fr;
                gap: 38px;
                padding: 56px 0 38px;
            }

            .footer-bottom {
                flex-direction: column;
            }

            .cta-panel {
                padding: 32px 22px;
                border-radius: 24px;
            }

            .guide-card {
                padding: 26px 22px;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }