/* roulang page: index */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }
        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }
        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* 导航 */
        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }
        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-link:hover {
            text-decoration: none;
            color: #fff;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }
        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }
        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            background: rgba(26, 26, 36, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }
        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
        }
        /* 移动端菜单 */
        #mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(7, 7, 10, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1.2rem;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        #mobile-menu.open {
            transform: translateX(0);
        }
        #mobile-menu a {
            font-size: 1.3rem;
            color: #fff;
            font-weight: 600;
            text-decoration: none;
            padding: 0.6rem 1.5rem;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        #mobile-menu a:hover {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
        }
        #mobile-menu .mobile-lang {
            margin-top: 1rem;
            display: flex;
            gap: 0.5rem;
        }
        #mobile-menu .mobile-lang button {
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        #mobile-menu .mobile-lang button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            border-color: var(--neon-green);
        }
        #mobile-close {
            position: absolute;
            top: 1.2rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: #fff;
            font-size: 2rem;
            cursor: pointer;
            z-index: 1001;
        }

        /* Hero */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding-top: 64px;
        }
        #hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.55) 0%, rgba(11, 11, 15, 0.78) 40%, rgba(11, 11, 15, 0.92) 100%);
            z-index: 1;
        }
        #hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(57, 255, 20, 0.03) 2px, rgba(57, 255, 20, 0.03) 4px);
            z-index: 2;
            pointer-events: none;
            animation: speedLines 8s linear infinite;
        }
        @keyframes speedLines {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 0 80px;
            }
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 900px;
            padding: 2rem 1.5rem;
        }
        .hero-series-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 2.5rem;
            position: relative;
            z-index: 3;
        }
        .hero-series-nav a {
            display: inline-block;
            padding: 0.55rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-primary);
            background: rgba(26, 26, 36, 0.65);
            border: 1px solid rgba(57, 255, 20, 0.2);
            text-decoration: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .hero-series-nav a:hover {
            background: rgba(57, 255, 20, 0.12);
            border-color: var(--neon-green-mid);
            color: var(--neon-green);
            text-decoration: none;
            box-shadow: 0 0 14px rgba(57, 255, 20, 0.2);
        }
        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 1.2rem;
            text-shadow: 0 0 40px rgba(57, 255, 20, 0.3), 0 0 80px rgba(180, 76, 240, 0.2);
            line-height: 1.2;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 2rem;
            line-height: 1.8;
            letter-spacing: 0.01em;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn-primary {
            display: inline-block;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, var(--electric-purple), #8B3FD4 40%, var(--neon-green));
            color: #fff;
            text-decoration: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(180, 76, 240, 0.35);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(180, 76, 240, 0.55), 0 0 32px rgba(57, 255, 20, 0.25);
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
            filter: brightness(1.08);
        }
        .btn-secondary {
            display: inline-block;
            padding: 0.8rem 1.9rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            background: transparent;
            color: var(--neon-green);
            border: 1.5px solid var(--neon-green);
            text-decoration: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            border-radius: 6px;
            font-weight: 600;
            letter-spacing: 0.02em;
            display: inline-block;
            text-decoration: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
            background: transparent;
            color: var(--neon-green);
            border: 1px solid var(--neon-green);
        }
        .btn-sm:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        /* 板块通用 */
        .section {
            padding: 5rem 0;
            position: relative;
        }
        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 0.75rem;
            text-shadow: 0 0 30px rgba(57, 255, 20, 0.15);
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 2.5rem;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--neon-green-dim);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55), 0 0 20px rgba(57, 255, 20, 0.12);
            transform: translateY(-3px);
        }
        .card-img {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }
        .card-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(57, 255, 20, 0.1);
            color: var(--neon-green);
            margin-bottom: 0.6rem;
        }
        .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* 内容日历 */
        .calendar-strip {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 0.5rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .calendar-strip::-webkit-scrollbar {
            height: 4px;
        }
        .calendar-strip::-webkit-scrollbar-track {
            background: transparent;
        }
        .calendar-strip::-webkit-scrollbar-thumb {
            background: var(--neon-green-dim);
            border-radius: 4px;
        }
        .calendar-item {
            min-width: 200px;
            flex-shrink: 0;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.2rem;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .calendar-item:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 18px rgba(57, 255, 20, 0.1);
        }
        .calendar-date {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--neon-green);
            letter-spacing: -0.02em;
        }
        .calendar-month {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.4rem;
        }
        .calendar-event {
            font-size: 0.9rem;
            color: #fff;
            font-weight: 600;
            margin-top: 0.5rem;
        }

        /* 数据看板 */
        .stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 22px rgba(57, 255, 20, 0.08);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, var(--neon-green), #00DD66);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        /* FAQ手风琴 */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--neon-green-mid);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.3rem;
            background: none;
            border: none;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--neon-green);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--neon-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--neon-green);
            transition: all var(--transition-smooth);
            font-weight: 700;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.3rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.3rem 1.3rem;
        }

        /* 排行表格 */
        .rank-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .rank-table th {
            text-align: left;
            padding: 0.8rem 1rem;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border-subtle);
            text-transform: uppercase;
        }
        .rank-table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(57, 255, 20, 0.06);
            color: var(--text-primary);
        }
        .rank-table tr:hover td {
            background: rgba(57, 255, 20, 0.03);
        }
        .rank-badge {
            display: inline-block;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            text-align: center;
            line-height: 24px;
            font-weight: 700;
            font-size: 0.8rem;
            background: var(--bg-card);
            color: var(--text-secondary);
        }
        .rank-badge.top {
            background: var(--neon-green);
            color: #0B0B0F;
        }

        /* 浮动CTA */
        #floating-cta {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 900;
            background: linear-gradient(135deg, var(--electric-purple), #9B30FF);
            color: #fff;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 0 6px 24px rgba(180, 76, 240, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
        }
        #floating-cta:hover {
            box-shadow: 0 8px 32px rgba(180, 76, 240, 0.7), 0 0 28px rgba(57, 255, 20, 0.3);
            transform: scale(1.06);
            width: auto;
            padding: 0 1.5rem;
            border-radius: 28px;
            text-decoration: none;
            color: #fff;
        }
        @media (max-width: 768px) {
            #floating-cta {
                bottom: 1.2rem;
                right: 1rem;
                width: 48px;
                height: 48px;
                font-size: 0.75rem;
            }
        }

        /* 页脚 */
        #site-footer {
            background: var(--bg-footer);
            padding: 3.5rem 0 2rem;
            border-top: 1px solid rgba(57, 255, 20, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 0.6rem;
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.01em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(57, 255, 20, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 0.8rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon-green);
            text-decoration: underline;
        }
        .social-icons {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .social-icons a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-smooth);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .social-icons a:hover {
            border-color: var(--neon-green);
            color: var(--neon-green);
            box-shadow: 0 0 12px rgba(57, 255, 20, 0.2);
            text-decoration: none;
        }

        /* 粒子装饰 */
        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: var(--neon-green);
            border-radius: 50%;
            pointer-events: none;
            animation: floatUp 6s linear infinite;
            opacity: 0;
        }
        @keyframes floatUp {
            0% {
                transform: translateY(0) scale(1);
                opacity: 0;
            }
            20% {
                opacity: 0.8;
            }
            80% {
                opacity: 0.2;
            }
            100% {
                transform: translateY(-400px) scale(0.3);
                opacity: 0;
            }
        }

        /* 深度内容区图文 */
        .deep-content-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        @media (max-width: 768px) {
            .deep-content-row {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .deep-content-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }
        .deep-content-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .deep-content-img:hover img {
            transform: scale(1.04);
        }
        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .deep-content-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
        }
        .deep-content-text ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0;
        }
        .deep-content-text ul li {
            padding: 0.35rem 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding-left: 1.4rem;
            position: relative;
        }
        .deep-content-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.65rem;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--neon-green);
            box-shadow: 0 0 6px rgba(57, 255, 20, 0.5);
        }

        /* 新闻中心左列表右推荐 */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        .news-list-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(57, 255, 20, 0.06);
            transition: all var(--transition-fast);
        }
        .news-list-item:hover {
            background: rgba(57, 255, 20, 0.02);
            padding-left: 0.5rem;
            border-radius: 6px;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 0.15rem;
        }
        .news-info h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.25rem;
            line-height: 1.4;
        }
        .news-info p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 0.3rem;
        }
        .news-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            position: sticky;
            top: 80px;
        }
        .news-sidebar h4 {
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .news-sidebar-item {
            padding: 0.6rem 0;
            border-bottom: 1px solid rgba(57, 255, 20, 0.05);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .news-sidebar-item:hover {
            color: var(--neon-green);
        }
        .news-sidebar-item .hot-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-red);
            margin-right: 0.4rem;
            vertical-align: middle;
            animation: pulse 1.5s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }

        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        /* 导航 */
        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }

        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            flex-shrink: 0;
        }

        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-radius: 6px;
        }

        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }

        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        /* 移动端导航 */
        #mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 15, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            padding: 2rem 1.5rem;
            gap: 0.5rem;
            overflow-y: auto;
        }

        #mobile-menu.open {
            display: flex;
        }

        #mobile-menu a {
            display: block;
            padding: 0.9rem 1rem;
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1.05rem;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        #mobile-menu a:hover,
        #mobile-menu a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.05);
            border-color: var(--neon-green-dim);
            text-decoration: none;
        }

        #mobile-menu .mobile-lang {
            margin-top: 1rem;
            display: flex;
            gap: 0.5rem;
        }

        #mobile-menu .mobile-lang button {
            padding: 0.5rem 1.2rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        #mobile-menu .mobile-lang button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            border-color: var(--neon-green);
        }

        /* Hero */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding-top: 64px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(11, 11, 15, 0.88) 0%, rgba(11, 11, 15, 0.72) 40%, rgba(11, 11, 15, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* 卡片 */
        .card-glow {
            background: var(--bg-card);
            border: 1px solid var(--neon-green-dim);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .card-glow:hover {
            border-color: var(--neon-green-mid);
            box-shadow: var(--shadow-card), var(--shadow-glow-green);
            transform: translateY(-2px);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-purple);
            filter: brightness(1.1);
            text-decoration: none;
            color: #0B0B0F;
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            font-weight: 600;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid var(--neon-green);
            cursor: pointer;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--neon-green-dim);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            gap: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(57, 255, 20, 0.03);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-green);
            font-weight: 700;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem 1.5rem;
        }

        /* 页脚 */
        #site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(57, 255, 20, 0.1);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .footer-brand-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0.5rem 0 1rem;
            max-width: 320px;
        }

        .social-icons {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-green);
            font-size: 0.8rem;
            font-weight: 700;
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .social-icons a:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 0.9rem;
            letter-spacing: -0.01em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }

        .footer-bottom {
            max-width: 1280px;
            margin: 2rem auto 0;
            padding: 1.2rem 1.5rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            font-size: 0.8rem;
            color: var(--text-placeholder);
            justify-content: center;
            text-align: center;
        }

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

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

        /* 演示面板 */
        .demo-panel {
            background: rgba(26, 26, 36, 0.9);
            border: 1px solid var(--neon-green-dim);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
            position: relative;
        }

        .demo-panel::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20px;
            right: 20px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon-green-mid), transparent);
        }

        .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-dot 1.5s ease-in-out infinite;
            display: inline-block;
            margin-right: 6px;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 77, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 77, 77, 0);
            }
        }

        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-count {
            animation: countUp 0.6s ease-out forwards;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .hero-section {
                background-attachment: scroll;
                min-height: auto;
                padding: 100px 0 60px;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .header-inner {
                padding: 0 1rem;
            }
            .hero-section {
                padding: 90px 0 40px;
                min-height: auto;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.4rem;
                align-items: center;
            }
            .demo-panel {
                margin-top: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 80px 0 30px;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }

        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* 导航 */
        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }

        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(57, 255, 20, 0.2);
            flex-shrink: 0;
        }

        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-radius: 0;
        }

        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }

        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        /* 移动端导航 */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 1rem;
                gap: 0.3rem;
                border-bottom: 1px solid var(--neon-green-dim);
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                border-radius: 8px;
                text-align: center;
            }

            .hamburger-btn {
                display: block;
            }

            .lang-switch {
                display: none;
            }

            .mobile-lang-switch {
                display: flex;
                justify-content: center;
                padding: 1rem;
                border-top: 1px solid var(--border-subtle);
                margin-top: 0.5rem;
            }
        }

        @media (min-width: 1025px) {
            .mobile-lang-switch {
                display: none;
            }
        }

        /* 卡片 */
        .card-glow {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card-glow:hover {
            border-color: var(--neon-green-mid);
            box-shadow: var(--shadow-card), 0 0 28px rgba(57, 255, 20, 0.18);
            transform: translateY(-2px);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: none;
            cursor: pointer;
            letter-spacing: 0.01em;
            box-shadow: 0 0 0 rgba(57, 255, 20, 0);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-green);
            filter: brightness(1.1);
            text-decoration: none;
            color: #0B0B0F;
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            font-weight: 600;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            border: 1px solid var(--neon-green);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        /* 霓虹文字 */
        .neon-text {
            text-shadow: 0 0 12px rgba(57, 255, 20, 0.4), 0 0 30px rgba(57, 255, 20, 0.15);
        }

        .neon-text-purple {
            text-shadow: 0 0 14px rgba(180, 76, 240, 0.45), 0 0 32px rgba(180, 76, 240, 0.18);
        }

        /* 排名数字 */
        .rank-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1;
            color: var(--neon-green);
            text-shadow: 0 0 16px rgba(57, 255, 20, 0.5);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--neon-green-mid);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            gap: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(57, 255, 20, 0.03);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.12);
            color: var(--neon-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem;
        }

        /* 排名徽章 */
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .rank-badge.top1 {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #0B0B0F;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
        }

        .rank-badge.top2 {
            background: linear-gradient(135deg, #C0C0C0, #9E9E9E);
            color: #0B0B0F;
            box-shadow: 0 0 16px rgba(192, 192, 192, 0.4);
        }

        .rank-badge.top3 {
            background: linear-gradient(135deg, #CD7F32, #A0522D);
            color: #fff;
            box-shadow: 0 0 14px rgba(205, 127, 50, 0.4);
        }

        .rank-badge.normal {
            background: rgba(57, 255, 20, 0.15);
            color: var(--neon-green);
            border: 1px solid rgba(57, 255, 20, 0.3);
        }

        /* 趋势箭头 */
        .trend-up {
            color: #39FF14;
            font-weight: 700;
        }

        .trend-down {
            color: #FF4D4D;
            font-weight: 700;
        }

        .trend-stable {
            color: #9A9AB1;
            font-weight: 600;
        }

        /* 页脚 */
        #site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(57, 255, 20, 0.1);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-brand-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0.5rem 0 1rem;
            max-width: 320px;
        }

        .social-icons {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.08);
            border: 1px solid rgba(57, 255, 20, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--neon-green);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .social-icons a:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.45rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(57, 255, 20, 0.08);
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-placeholder);
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-placeholder);
            font-size: 0.8rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom span {
            white-space: nowrap;
        }

        /* 排名条 */
        .rank-strip {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 1.2rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            transition: all var(--transition-smooth);
            margin-bottom: 0.5rem;
        }

        .rank-strip:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 20px rgba(57, 255, 20, 0.1);
            transform: translateX(4px);
        }

        @media (max-width: 640px) {
            .rank-strip {
                flex-wrap: wrap;
                gap: 0.5rem;
                padding: 0.75rem 1rem;
            }
        }

        /* Hero背景覆盖 */
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.55) 0%, rgba(11, 11, 15, 0.78) 40%, rgba(11, 11, 15, 0.94) 100%);
            z-index: 1;
        }

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

        /* 进度条 */
        .power-bar {
            height: 6px;
            border-radius: 3px;
            background: rgba(57, 255, 20, 0.15);
            overflow: hidden;
        }

        .power-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--neon-green), var(--electric-purple));
            transition: width 0.8s ease;
        }

        /* 标签 */
        .tag-badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(57, 255, 20, 0.1);
            color: var(--neon-green);
            border: 1px solid rgba(57, 255, 20, 0.2);
            white-space: nowrap;
        }

        .tag-badge.purple {
            background: rgba(180, 76, 240, 0.1);
            color: var(--electric-purple);
            border: 1px solid rgba(180, 76, 240, 0.25);
        }

        .tag-badge.red {
            background: rgba(255, 77, 77, 0.1);
            color: var(--accent-red);
            border: 1px solid rgba(255, 77, 77, 0.25);
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }

        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }

        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            flex-shrink: 0;
        }

        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .lang-switch button:first-child {
            border-radius: 6px 0 0 6px;
        }

        .lang-switch button:last-child {
            border-radius: 0 6px 6px 0;
        }

        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
            border-color: var(--neon-green);
        }

        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-glow-purple);
            border: none;
            cursor: pointer;
            text-align: center;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            box-shadow: 0 0 28px rgba(180, 76, 240, 0.6), 0 0 20px rgba(57, 255, 20, 0.3);
            transform: translateY(-1px);
            text-decoration: none;
            color: #0B0B0F;
            filter: brightness(1.08);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            font-weight: 600;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid var(--neon-green);
            cursor: pointer;
            text-align: center;
            letter-spacing: 0.01em;
        }

        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .card:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55), 0 0 20px rgba(57, 255, 20, 0.12);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-green {
            background: rgba(57, 255, 20, 0.12);
            color: var(--neon-green);
            border: 1px solid rgba(57, 255, 20, 0.3);
        }

        .badge-purple {
            background: rgba(180, 76, 240, 0.12);
            color: var(--electric-purple);
            border: 1px solid rgba(180, 76, 240, 0.3);
        }

        .badge-red {
            background: rgba(255, 77, 77, 0.12);
            color: var(--accent-red);
            border: 1px solid rgba(255, 77, 77, 0.3);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
            color: #fff;
            text-shadow: 0 0 40px rgba(57, 255, 20, 0.1);
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item.active {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 16px rgba(57, 255, 20, 0.08);
        }

        .faq-question {
            padding: 1.1rem 1.4rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--neon-green);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--neon-green);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.4rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.2rem 1.4rem;
        }

        #site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(57, 255, 20, 0.1);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 0.5rem;
            max-width: 320px;
        }

        .social-icons {
            display: flex;
            gap: 0.6rem;
            margin-top: 1rem;
        }

        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-green);
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .social-icons a:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.5rem;
            font-size: 0.8rem;
            color: var(--text-placeholder);
            align-items: center;
        }

        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 0.8rem;
            text-decoration: none;
        }

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

        .hero-coupon-card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border-subtle);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .hero-coupon-card.featured {
            border: 2px solid var(--neon-green-mid);
            box-shadow: 0 0 32px rgba(57, 255, 20, 0.2), 0 8px 32px rgba(0, 0, 0, 0.5);
            transform: scale(1.04);
            z-index: 2;
            background: linear-gradient(180deg, #1a1a24 0%, #1e1e2a 100%);
        }

        .hero-coupon-card:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 28px rgba(57, 255, 20, 0.25), 0 8px 32px rgba(0, 0, 0, 0.5);
            transform: translateY(-3px);
        }

        .hero-coupon-card.featured:hover {
            transform: scale(1.05) translateY(-3px);
            box-shadow: 0 0 40px rgba(57, 255, 20, 0.3), 0 12px 40px rgba(0, 0, 0, 0.55);
        }

        .coupon-dashed-border {
            border-top: 2px dashed rgba(57, 255, 20, 0.25);
            margin: 1rem 0;
            position: relative;
        }

        .coupon-dashed-border::before,
        .coupon-dashed-border::after {
            content: '';
            position: absolute;
            top: -10px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 1px solid rgba(57, 255, 20, 0.3);
        }

        .coupon-dashed-border::before {
            left: -10px;
        }

        .coupon-dashed-border::after {
            right: -10px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--neon-green);
            letter-spacing: -0.03em;
            text-shadow: 0 0 30px rgba(57, 255, 20, 0.3);
            line-height: 1;
        }

        .stat-number.purple {
            color: var(--electric-purple);
            text-shadow: 0 0 30px rgba(180, 76, 240, 0.3);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .hero-coupon-card.featured {
                transform: scale(1.02);
            }
            .hero-coupon-card.featured:hover {
                transform: scale(1.03) translateY(-3px);
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.96);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1rem;
                border-bottom: 1px solid var(--neon-green-dim);
                gap: 0.3rem;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .lang-switch {
                display: none;
            }
            .lang-switch.mobile-visible {
                display: flex;
                padding: 0.75rem 1rem;
                justify-content: center;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 0.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .hero-coupon-card.featured {
                transform: scale(1);
            }
            .hero-coupon-card.featured:hover {
                transform: scale(1.01) translateY(-2px);
            }
            .section-title {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
            .card {
                padding: 1.2rem;
            }
            .hero-coupon-card {
                padding: 1.2rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }

        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }

        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            flex-shrink: 0;
        }

        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-radius: 6px;
        }

        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }

        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-smooth);
            text-decoration: none;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 12px rgba(57, 255, 20, 0.2);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-green);
            transform: translateY(-1px);
            text-decoration: none;
            color: #0B0B0F;
            filter: brightness(1.1);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            border: 1px solid var(--neon-green);
            font-weight: 600;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            text-decoration: none;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .card {
            background: var(--bg-card);
            border: 1px solid var(--neon-green-dim);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.55), 0 0 20px rgba(57, 255, 20, 0.15);
            transform: translateY(-2px);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
            text-shadow: 0 0 30px rgba(57, 255, 20, 0.12);
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(57, 255, 20, 0.1);
            color: var(--neon-green);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .tag-purple {
            background: rgba(180, 76, 240, 0.12);
            color: var(--electric-purple);
        }

        .tag-red {
            background: rgba(255, 77, 77, 0.12);
            color: var(--accent-red);
        }

        #site-footer {
            background: var(--bg-footer);
            padding: 3.5rem 0 1.5rem;
            border-top: 1px solid rgba(57, 255, 20, 0.08);
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 0.5rem;
            max-width: 300px;
        }

        .social-icons {
            display: flex;
            gap: 0.6rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1px solid rgba(57, 255, 20, 0.1);
        }

        .social-icons a:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            border-color: var(--neon-green);
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.45rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--text-placeholder);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

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

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

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.55) 0%, rgba(11, 11, 15, 0.78) 50%, rgba(11, 11, 15, 0.95) 100%);
            z-index: 1;
        }

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

        .masonry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 220px;
            gap: 1rem;
        }

        .masonry-grid .grid-item {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--neon-green-dim);
            transition: all var(--transition-smooth);
            cursor: pointer;
            background: var(--bg-card);
        }

        .masonry-grid .grid-item:hover {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 28px rgba(57, 255, 20, 0.18);
            transform: translateY(-3px);
        }

        .masonry-grid .grid-item.span-2-col {
            grid-column: span 2;
        }

        .masonry-grid .grid-item.span-2-row {
            grid-row: span 2;
        }

        .masonry-grid .grid-item.span-2-col.span-2-row {
            grid-column: span 2;
            grid-row: span 2;
        }

        .grid-item-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 11, 15, 0.9) 0%, rgba(11, 11, 15, 0.3) 50%, rgba(11, 11, 15, 0.05) 100%);
            z-index: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.2rem;
        }

        .grid-item-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .grid-item-title {
            position: relative;
            z-index: 2;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 0.3rem;
            line-height: 1.3;
        }

        .grid-item-meta {
            position: relative;
            z-index: 2;
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: var(--accent-red);
            color: #fff;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: blink-dot 1s infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.2;
            }
        }

        .faq-item {
            border: 1px solid var(--neon-green-dim);
            border-radius: var(--radius-card);
            background: var(--bg-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--neon-green-mid);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.3rem;
            background: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            color: var(--neon-green);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(57, 255, 20, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--neon-green);
            transition: all var(--transition-fast);
            font-weight: 700;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.3rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.3rem 1.1rem 1.3rem;
        }

        .faq-item.open .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
            transform: rotate(45deg);
        }

        @media (max-width: 1024px) {
            .masonry-grid {
                grid-template-columns: repeat(3, 1fr);
                grid-auto-rows: 180px;
                gap: 0.75rem;
            }
            .masonry-grid .grid-item.span-2-col {
                grid-column: span 2;
            }
            .masonry-grid .grid-item.span-2-row {
                grid-row: span 2;
            }
            .masonry-grid .grid-item.span-2-col.span-2-row {
                grid-column: span 2;
                grid-row: span 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 1.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .lang-switch {
                display: none;
            }
            #site-header.mobile-open .nav-links {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.96);
                backdrop-filter: blur(16px);
                padding: 1rem;
                gap: 0.3rem;
                border-bottom: 1px solid var(--neon-green-dim);
                z-index: 999;
            }
            #site-header.mobile-open .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
            }
            #site-header.mobile-open .lang-switch {
                display: flex;
                position: absolute;
                top: auto;
                bottom: -56px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.96);
                padding: 0.75rem 1rem;
                justify-content: center;
                border-bottom: 1px solid var(--neon-green-dim);
                z-index: 999;
            }
        }

        @media (max-width: 768px) {
            .masonry-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-auto-rows: 160px;
                gap: 0.6rem;
            }
            .masonry-grid .grid-item.span-2-col {
                grid-column: span 2;
            }
            .masonry-grid .grid-item.span-2-row {
                grid-row: span 2;
            }
            .masonry-grid .grid-item.span-2-col.span-2-row {
                grid-column: span 2;
                grid-row: span 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .container {
                padding: 0 1rem;
            }
            .header-inner {
                height: 56px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .btn-primary {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
            .btn-secondary {
                padding: 0.6rem 1.3rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .masonry-grid {
                grid-template-columns: 1fr 1fr;
                grid-auto-rows: 140px;
                gap: 0.5rem;
            }
            .masonry-grid .grid-item.span-2-col {
                grid-column: span 2;
            }
            .masonry-grid .grid-item.span-2-row {
                grid-row: span 2;
            }
            .masonry-grid .grid-item.span-2-col.span-2-row {
                grid-column: span 2;
                grid-row: span 2;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
            }
            .grid-item-title {
                font-size: 0.85rem;
            }
            .grid-item-meta {
                font-size: 0.7rem;
            }
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, var(--neon-green), var(--electric-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .process-step {
            position: relative;
            padding-left: 3rem;
            border-left: 2px solid var(--neon-green-dim);
            padding-bottom: 2rem;
        }

        .process-step:last-child {
            border-left-color: transparent;
            padding-bottom: 0;
        }

        .process-step::before {
            content: '';
            position: absolute;
            left: -9px;
            top: 0;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--neon-green);
            box-shadow: 0 0 12px rgba(57, 255, 20, 0.5);
            z-index: 2;
        }

        .process-step-number {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--neon-green);
            margin-bottom: 0.3rem;
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }

        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }
        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-link:hover {
            text-decoration: none;
            color: #fff;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }
        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            gap: 0;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(57, 255, 20, 0.25);
            flex-shrink: 0;
        }
        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-radius: 0;
        }
        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }
        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        .card-glow {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .card-glow:hover {
            border-color: var(--neon-green-mid);
            box-shadow: var(--shadow-card), 0 0 28px rgba(57, 255, 20, 0.18);
            transform: translateY(-2px);
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 0.85rem 2rem;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(57, 255, 20, 0.25);
            text-align: center;
        }
        .btn-primary:hover {
            box-shadow: 0 0 24px rgba(57, 255, 20, 0.5), 0 6px 20px rgba(180, 76, 240, 0.3);
            transform: translateY(-1px);
            text-decoration: none;
            color: #0B0B0F;
            filter: brightness(1.08);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            font-weight: 600;
            border: 1px solid var(--neon-green);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: 0 0 16px rgba(57, 255, 20, 0.4);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
            color: #fff;
            text-shadow: 0 0 40px rgba(57, 255, 20, 0.25);
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
        }

        .rating-bar {
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }
        .rating-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--neon-green), #00e676);
            transition: width 1s ease;
        }

        .compare-table th {
            background: rgba(57, 255, 20, 0.06);
            color: var(--neon-green);
            font-weight: 600;
            padding: 0.9rem 1rem;
            text-align: left;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-subtle);
        }
        .compare-table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .compare-table tr:hover td {
            background: rgba(57, 255, 20, 0.03);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #0B0B0F;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(180, 76, 240, 0.3);
        }

        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            background: var(--bg-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item.active {
            border-color: var(--neon-green-mid);
            box-shadow: 0 0 20px rgba(57, 255, 20, 0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            user-select: none;
            gap: 1rem;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--neon-green);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-size: 1.1rem;
            color: var(--neon-green);
            font-weight: 700;
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.4rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 1.4rem 1.2rem 1.4rem;
        }

        #site-footer {
            background: var(--bg-footer);
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(57, 255, 20, 0.08);
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-brand-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0.75rem 0 1rem;
            max-width: 320px;
        }
        .social-icons {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            text-decoration: none;
            font-weight: 600;
        }
        .social-icons a:hover {
            border-color: var(--neon-green);
            color: var(--neon-green);
            text-decoration: none;
            box-shadow: 0 0 12px rgba(57, 255, 20, 0.3);
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--text-placeholder);
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 0.8rem;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--neon-green);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .container {
                padding: 0 1rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.97);
                flex-direction: column;
                padding: 1.5rem;
                gap: 0.5rem;
                border-bottom: 1px solid var(--neon-green-dim);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                width: 100%;
            }
            .hamburger-btn {
                display: block;
            }
            .lang-switch {
                display: none;
            }
            #mobile-lang {
                display: flex;
                gap: 0;
                border-radius: 20px;
                overflow: hidden;
                border: 1px solid rgba(57, 255, 20, 0.25);
                margin-top: 0.5rem;
            }
            #mobile-lang button {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
                font-weight: 600;
                background: transparent;
                color: var(--text-secondary);
                cursor: pointer;
                transition: all var(--transition-fast);
            }
            #mobile-lang button.active-lang {
                background: var(--neon-green);
                color: #0B0B0F;
                font-weight: 700;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .compare-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .compare-table {
                min-width: 600px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
            .hero-overlay h1 {
                font-size: 1.8rem;
            }
        }

        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 65vh;
            display: flex;
            align-items: center;
        }
        .hero-overlay {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 6rem 0 3rem;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.7) 0%, rgba(11, 11, 15, 0.88) 60%, var(--bg-deep) 100%);
            z-index: 1;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 60% 30%, rgba(57, 255, 20, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(180, 76, 240, 0.06) 0%, transparent 55%);
            z-index: 1;
        }

        .tag-badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(57, 255, 20, 0.1);
            color: var(--neon-green);
            border: 1px solid rgba(57, 255, 20, 0.25);
            letter-spacing: 0.02em;
        }

        .score-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 3px solid var(--neon-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--neon-green);
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(57, 255, 20, 0.3);
            background: rgba(11, 11, 15, 0.7);
        }

/* roulang page: category6 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }
        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }
        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航 */
        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }
        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-link:hover {
            text-decoration: none;
            color: #fff;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }
        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }
        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-radius: 6px;
        }
        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }
        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        /* 卡片 */
        .card-glow {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .card-glow:hover {
            border-color: var(--neon-green-mid);
            box-shadow: var(--shadow-glow-green), var(--shadow-card);
            transform: translateY(-2px);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
            box-shadow: 0 0 0 transparent;
            text-align: center;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-purple);
            filter: brightness(1.1);
            text-decoration: none;
            color: #0B0B0F;
            transform: translateY(-1px);
        }
        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--neon-green);
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
            text-align: center;
        }
        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--neon-green-mid);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            text-align: left;
            gap: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--neon-green);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--neon-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--neon-green);
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            background: var(--neon-green);
            color: #0B0B0F;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.25rem;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 20px;
            background: rgba(57, 255, 20, 0.08);
            color: var(--neon-green);
            border: 1px solid rgba(57, 255, 20, 0.2);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag:hover {
            background: rgba(57, 255, 20, 0.16);
            border-color: var(--neon-green-mid);
        }
        .tag-purple {
            background: rgba(180, 76, 240, 0.08);
            color: var(--electric-purple);
            border: 1px solid rgba(180, 76, 240, 0.2);
        }
        .tag-red {
            background: rgba(255, 77, 77, 0.08);
            color: var(--accent-red);
            border: 1px solid rgba(255, 77, 77, 0.2);
        }

        /* 滚动卡片容器 */
        .scroll-cards-container {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 0.5rem;
            scrollbar-width: thin;
            scrollbar-color: rgba(57, 255, 20, 0.3) transparent;
        }
        .scroll-cards-container::-webkit-scrollbar {
            height: 5px;
        }
        .scroll-cards-container::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-cards-container::-webkit-scrollbar-thumb {
            background: rgba(57, 255, 20, 0.3);
            border-radius: 10px;
        }
        .scroll-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            min-width: 280px;
        }

        /* Hero 网格纹理 */
        .hero-grid-pattern {
            background-image:
                linear-gradient(rgba(57, 255, 20, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(57, 255, 20, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            background-position: center center;
        }

        /* 霓虹文字光晕 */
        .neon-glow-text {
            text-shadow: 0 0 30px rgba(57, 255, 20, 0.25), 0 0 8px rgba(57, 255, 20, 0.1);
        }

        /* 杂志拼贴 Grid */
        .magazine-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            grid-template-rows: auto auto;
            gap: 1.25rem;
        }
        .magazine-grid .mag-item-large {
            grid-row: span 2;
        }

        /* 页脚 */
        #site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(57, 255, 20, 0.08);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 0.5rem;
            max-width: 320px;
        }
        .social-icons {
            display: flex;
            gap: 0.6rem;
            margin-top: 1rem;
        }
        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(57, 255, 20, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--neon-green);
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .social-icons a:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            border-color: var(--neon-green);
            text-decoration: none;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            letter-spacing: 0.01em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--text-placeholder);
            align-items: center;
        }
        .footer-bottom a {
            color: var(--text-placeholder);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .magazine-grid {
                grid-template-columns: 1fr;
            }
            .magazine-grid .mag-item-large {
                grid-row: span 1;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--neon-green-dim);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                width: 100%;
                border-radius: 8px;
            }
            .lang-switch {
                display: none;
            }
            .lang-switch.mobile-visible {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                background: rgba(11, 11, 15, 0.96);
                padding: 1rem 1.5rem;
                justify-content: center;
                gap: 0.5rem;
                border-top: 1px solid var(--neon-green-dim);
                z-index: 1000;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .scroll-card {
                flex: 0 0 260px;
                min-width: 240px;
            }
            .container {
                padding: 0 1rem;
            }
        }
        @media (max-width: 520px) {
            .scroll-card {
                flex: 0 0 220px;
                min-width: 200px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.4rem;
                align-items: flex-start;
            }
        }

/* roulang page: category7 */
:root {
            --bg-deep: #0B0B0F;
            --bg-card: #1A1A24;
            --bg-footer: #07070A;
            --neon-green: #39FF14;
            --neon-green-dim: rgba(57, 255, 20, 0.15);
            --neon-green-mid: rgba(57, 255, 20, 0.5);
            --electric-purple: #B44CF0;
            --accent-red: #FF4D4D;
            --text-primary: #E8E8EF;
            --text-secondary: #9A9AB1;
            --text-placeholder: #6B6B80;
            --border-subtle: rgba(57, 255, 20, 0.18);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-green: 0 0 18px rgba(57, 255, 20, 0.35);
            --shadow-glow-purple: 0 0 22px rgba(180, 76, 240, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

        a {
            color: var(--neon-green);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: #5eff3a;
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-size: 0.95rem;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.08);
        }

        input::placeholder,
        textarea::placeholder {
            color: var(--text-placeholder);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            body {
                padding-top: 56px;
            }
        }

        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--neon-green-dim);
            transition: background var(--transition-smooth);
        }

        #site-header.scrolled {
            background: rgba(11, 11, 15, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B0B0F;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--neon-green);
            background: rgba(57, 255, 20, 0.06);
            text-decoration: none;
        }

        .nav-links a.active {
            color: var(--neon-green);
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            flex-shrink: 0;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(57, 255, 20, 0.25);
        }

        .lang-switch button {
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-radius: 0;
        }

        .lang-switch button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            font-weight: 700;
        }

        .lang-switch button:hover:not(.active-lang) {
            color: #fff;
            background: rgba(57, 255, 20, 0.1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.4rem;
            line-height: 1;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 15, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: 2rem 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 0.85rem 1rem;
            font-size: 1.1rem;
            color: var(--text-primary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            text-decoration: none;
            font-weight: 500;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(57, 255, 20, 0.08);
            color: var(--neon-green);
            text-decoration: none;
        }

        .mobile-menu .lang-switch-mobile {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-subtle);
        }

        .mobile-menu .lang-switch-mobile button {
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--neon-green);
            color: #0B0B0F;
            border-color: var(--neon-green);
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .header-inner {
                height: 56px;
            }
            .mobile-menu {
                top: 56px;
            }
        }

        .card-hover {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .card-hover:hover {
            border-color: var(--neon-green-mid);
            box-shadow: var(--shadow-glow-green), var(--shadow-card);
            transform: translateY(-3px);
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--electric-purple), var(--neon-green));
            color: #0B0B0F;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            text-decoration: none;
            text-align: center;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-green), 0 0 28px rgba(180, 76, 240, 0.5);
            transform: translateY(-1px);
            text-decoration: none;
            color: #0B0B0F;
            filter: brightness(1.1);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--neon-green);
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--neon-green);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            text-align: center;
        }

        .btn-secondary:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
            text-shadow: 0 0 30px rgba(57, 255, 20, 0.25);
            margin-bottom: 0.75rem;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        .tag-badge {
            display: inline-block;
            padding: 0.35rem 0.85rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(57, 255, 20, 0.08);
            color: var(--neon-green);
            border: 1px solid rgba(57, 255, 20, 0.2);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .tag-badge:hover {
            background: rgba(57, 255, 20, 0.18);
            border-color: var(--neon-green-mid);
            color: #5eff3a;
        }

        .tag-badge.hot {
            background: rgba(255, 77, 77, 0.1);
            color: var(--accent-red);
            border-color: rgba(255, 77, 77, 0.3);
        }

        .tag-badge.purple {
            background: rgba(180, 76, 240, 0.1);
            color: var(--electric-purple);
            border-color: rgba(180, 76, 240, 0.3);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, var(--neon-green), #5eff3a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 1rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1.05rem;
            color: #fff;
            gap: 1rem;
            user-select: none;
        }

        .faq-icon {
            font-size: 1.5rem;
            color: var(--neon-green);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            font-weight: 300;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding-right: 2rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.6rem;
        }

        #site-footer {
            background: var(--bg-footer);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-grid h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 0.45rem;
        }

        .footer-grid ul li a {
            color: var(--text-secondary);
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

        .footer-grid ul li a:hover {
            color: var(--neon-green);
            text-decoration: none;
        }

        .footer-brand-desc {
            color: var(--text-secondary);
            font-size: 0.875rem;
            line-height: 1.6;
            margin-top: 0.4rem;
            max-width: 320px;
        }

        .social-icons {
            display: flex;
            gap: 0.6rem;
            margin-top: 1rem;
        }

        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1px solid var(--border-subtle);
        }

        .social-icons a:hover {
            background: var(--neon-green);
            color: #0B0B0F;
            border-color: var(--neon-green);
            text-decoration: none;
            box-shadow: var(--shadow-glow-green);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.5rem;
            font-size: 0.78rem;
            color: var(--text-placeholder);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            align-items: center;
        }

        .footer-bottom a {
            color: var(--text-placeholder);
            font-size: 0.78rem;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.55) 0%, rgba(11, 11, 15, 0.78) 50%, #0B0B0F 100%);
            z-index: 1;
        }

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

        .thread-row {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 1.2rem;
            border-radius: 10px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            background: rgba(26, 26, 36, 0.5);
            margin-bottom: 0.5rem;
        }

        .thread-row:hover {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }

        .thread-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--electric-purple), #6B3FA0);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            flex-shrink: 0;
        }

        .forum-category-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .forum-category-card:hover {
            border-color: var(--neon-green-mid);
            box-shadow: var(--shadow-glow-green);
            transform: translateY(-3px);
        }

        .forum-category-card .cat-icon {
            font-size: 2.2rem;
            margin-bottom: 0.6rem;
            display: block;
        }

        .forum-category-card .cat-count {
            font-size: 0.78rem;
            color: var(--text-placeholder);
            margin-top: 0.3rem;
        }

        .pinned-badge {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            background: var(--accent-red);
            color: #fff;
            letter-spacing: 0.04em;
        }