/* roulang page: index */
:root {
            --color-ink: #05070F;
            --color-navy: #0B1128;
            --color-primary: #2E6BFF;
            --color-primary-deep: #1B4DFF;
            --color-accent: #22D3EE;
            --color-warning: #F5B942;
            --color-white: #FFFFFF;
            --color-text-title: #F1F5F9;
            --color-text-body: #C7D2E0;
            --color-text-muted: #7C8DA6;
            --color-text-dark: #0F172A;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-primary: 0 0 20px rgba(46, 107, 255, 0.45);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--color-ink);
            color: var(--color-text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease, background .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-custom {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width:640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width:1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ====== 导航 ====== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 50;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-dark);
            padding: 8px 2px;
            transition: color 0.2s;
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link.active {
            color: var(--color-primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: 0.65rem 1.6rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            box-shadow: var(--shadow-primary);
            transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
        }
        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(46, 107, 255, 0.6);
            filter: brightness(1.05);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: 0.65rem 1.6rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text-title);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-1px);
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: .4rem;
            background: #f1f5f9;
            border-radius: 9999px;
            padding: .4rem .6rem .4rem 1rem;
            border: 1px solid transparent;
            transition: border-color .2s, box-shadow .2s;
        }
        .search-box:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, .1);
        }
        .search-box input {
            background: transparent;
            border: none;
            font-size: 14px;
            width: 100px;
            color: var(--color-text-dark);
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }
        .search-box input:focus {
            outline: none;
        }

        /* ====== Hero ====== */
        .hero-section {
            position: relative;
            overflow: hidden;
            background: var(--color-navy);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(5, 7, 15, 0.72), rgba(11, 17, 40, 0.82)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }
        .hero-glow {
            position: absolute;
            inset: 0;
            pointer-events: none;
        }
        .hero-glow::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 80%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(46, 107, 255, 0.3), transparent 65%);
        }
        .hero-glow::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -5%;
            width: 70%;
            height: 70%;
            background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.18), transparent 60%);
        }
        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 48px 48px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 9999px;
            padding: .35rem 1rem;
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 500;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-card);
            transition: border-color .3s, box-shadow .3s;
        }
        .glass-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 24px rgba(34, 211, 238, 0.15);
        }
        .hero-window {
            position: relative;
            border-radius: 1.25rem;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(24px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }
        .hero-window-topbar {
            display: flex;
            align-items: center;
            gap: .4rem;
            padding: .75rem 1rem;
            background: rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-window-topbar span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .hero-float-badge {
            position: absolute;
            background: rgba(11, 17, 40, 0.85);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 1rem;
            padding: .7rem 1.1rem;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            font-size: 13px;
            line-height: 1.4;
        }

        /* ====== 痛点 ====== */
        .pain-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1.25rem;
            padding: 2rem;
            transition: transform .3s, border-color .3s, box-shadow .3s;
        }
        .pain-card:hover {
            transform: translateY(-4px);
            border-color: rgba(245, 185, 66, 0.4);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(245, 185, 66, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-warning);
            margin-bottom: 1.2rem;
        }

        /* ====== Bento ====== */
        .bento-card {
            border-radius: 1.5rem;
            overflow: hidden;
            position: relative;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.09);
            backdrop-filter: blur(16px);
            padding: 2rem;
            transition: border-color .3s, box-shadow .3s, transform .3s;
        }
        .bento-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
            transform: translateY(-2px);
        }
        .bento-card-large {
            background: linear-gradient(145deg, rgba(46, 107, 255, 0.12), rgba(34, 211, 238, 0.05)), rgba(255, 255, 255, 0.04);
        }
        .bento-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(46, 107, 255, 0.15);
            color: var(--color-primary);
            margin-bottom: 1rem;
            transition: box-shadow .3s;
        }
        .bento-card:hover .bento-icon {
            box-shadow: 0 0 16px rgba(46, 107, 255, 0.3);
        }
        .check-list {
            display: flex;
            flex-direction: column;
            gap: .65rem;
            margin-top: 1rem;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: .6rem;
            font-size: 14px;
            color: var(--color-text-body);
        }
        .check-list li svg {
            flex-shrink: 0;
            color: var(--color-accent);
            margin-top: 2px;
        }

        /* ====== 成果 ====== */
        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1.25rem;
            padding: 1.75rem 1.5rem;
            text-align: center;
            transition: border-color .3s, box-shadow .3s;
        }
        .stat-card:hover {
            border-color: rgba(34, 211, 238, 0.3);
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.08);
        }
        .stat-number {
            font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text-title);
            line-height: 1.2;
        }
        .timeline-item {
            position: relative;
            flex: 1;
            text-align: center;
            padding-top: 1.75rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            top: 8px;
            left: 0;
            right: 0;
            height: 2px;
            background: rgba(255, 255, 255, 0.1);
        }
        .timeline-item .dot {
            position: absolute;
            top: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid var(--color-ink);
            box-shadow: 0 0 8px rgba(46, 107, 255, 0.5);
        }

        /* ====== 证言 ====== */
        .testimonial-card {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 1.5rem;
            padding: 2rem;
            backdrop-filter: blur(16px);
            transition: transform .3s, border-color .3s;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .star-row svg {
            color: var(--color-warning);
        }

        /* ====== 资讯列表 ====== */
        .news-card {
            display: flex;
            gap: 1.25rem;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1.25rem;
            padding: 1.25rem;
            transition: border-color .3s, box-shadow .3s, transform .3s;
            align-items: center;
        }
        .news-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 120px;
            height: 90px;
            border-radius: .75rem;
            overflow: hidden;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.3), rgba(34, 211, 238, 0.2));
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (min-width:768px) {
            .news-thumb {
                width: 180px;
                height: 120px;
            }
        }
        .news-cat {
            display: inline-block;
            background: rgba(34, 211, 238, 0.12);
            color: var(--color-accent);
            border-radius: 999px;
            font-size: 12px;
            padding: .15rem .75rem;
            margin-bottom: .4rem;
            font-weight: 500;
        }
        .news-date {
            font-size: 13px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: .3rem;
        }
        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 2.5rem 1rem;
            color: var(--color-text-muted);
            background: rgba(255, 255, 255, 0.03);
            border: 1px dashed rgba(255, 255, 255, 0.12);
            border-radius: 1rem;
        }

        /* ====== FAQ ====== */
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 1rem;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-item.open {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-title);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform .3s, border-color .3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
            animation: fadeIn .2s ease;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ====== 页脚 ====== */
        .site-footer {
            background: var(--color-ink);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-link {
            font-size: 14px;
            color: var(--color-text-muted);
            transition: color .2s;
        }
        .footer-link:hover {
            color: var(--color-accent);
        }

        /* ====== section badge ====== */
        .section-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 9999px;
            padding: .3rem 1rem;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-accent);
            letter-spacing: .02em;
        }

        /* ====== 移动菜单 ====== */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            z-index: 100;
            background: #fff;
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
            transform: translateX(100%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(5, 7, 15, 0.5);
            z-index: 99;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s;
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-link {
            display: block;
            padding: .8rem 1.5rem;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-dark);
            border-bottom: 1px solid #f1f5f9;
            transition: background .2s, color .2s;
        }
        .mobile-nav-link:hover {
            background: #f8fafc;
            color: var(--color-primary);
        }
        .mobile-nav-link.active {
            color: var(--color-primary);
            border-left: 3px solid var(--color-primary);
            padding-left: calc(1.5rem - 3px);
        }

        /* ====== CTA ====== */
        .cta-section {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.25), rgba(34, 211, 238, 0.12)), var(--color-navy);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 1.5rem;
            backdrop-filter: blur(20px);
        }

        /* ====== 滚动条 ====== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b1128;
        }
        ::-webkit-scrollbar-thumb {
            background: #334155;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #475569;
        }

        /* ====== 辅助 ====== */
        .text-gradient {
            background: linear-gradient(135deg, #fff, #7dd3fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .divider-line {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        }

        /* 焦点可见性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --color-ink: #05070F;
            --color-navy: #0B1128;
            --color-primary: #2E6BFF;
            --color-primary-deep: #1B4DFF;
            --color-accent: #22D3EE;
            --color-warning: #F5B942;
            --color-white: #FFFFFF;
            --color-text-title: #F1F5F9;
            --color-text-body: #C7D2E0;
            --color-text-muted: #7C8DA6;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--color-navy);
            color: var(--color-text-body);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        .container-custom {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button {
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.25rem;
            transition: color 0.2s ease;
        }

        .nav-link:hover {
            color: var(--color-primary);
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            box-shadow: 0 0 20px rgba(46, 107, 255, 0.45);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(46, 107, 255, 0.65);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-title);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(12px);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(34, 211, 238, 0.35);
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 1rem;
            backdrop-filter: blur(16px);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .glass-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 24px rgba(34, 211, 238, 0.25);
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.25rem 0.875rem;
            border-radius: 9999px;
            border: 1px solid rgba(34, 211, 238, 0.3);
            background: rgba(34, 211, 238, 0.1);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .section-title {
            font-size: 1.875rem;
            font-weight: 700;
            color: var(--color-text-title);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .footer-link {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            transition: color 0.2s ease;
            line-height: 1.6;
        }

        .footer-link:hover {
            color: var(--color-accent);
        }

        .site-footer {
            background-color: var(--color-ink);
        }

        .bg-hero-radial {
            background:
                radial-gradient(ellipse 55% 45% at 8% 12%, rgba(46, 107, 255, 0.25), transparent 60%),
                radial-gradient(ellipse 45% 40% at 92% 85%, rgba(34, 211, 238, 0.18), transparent 62%),
                linear-gradient(180deg, var(--color-navy) 0%, var(--color-ink) 100%);
        }

        .bg-grid-pattern {
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 44px 44px;
        }

        .hero-cover::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 40, 0.38) 0%, rgba(5, 7, 15, 0.65) 100%);
            border-radius: inherit;
            z-index: 1;
        }

        .hero-cover img {
            object-fit: cover;
            width: 100%;
            height: 100%;
            border-radius: inherit;
        }

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

        .zigzag-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 1rem;
            backdrop-filter: blur(16px);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .zigzag-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 24px rgba(34, 211, 238, 0.25);
        }

        .icon-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.75rem;
            height: 2.75rem;
            border-radius: 0.875rem;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.18), rgba(34, 211, 238, 0.18));
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--color-accent);
            transition: box-shadow 0.3s ease;
        }

        .icon-badge:hover {
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.35);
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            padding: 1.25rem 1rem;
            text-align: center;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .stat-card:hover {
            border-color: rgba(34, 211, 238, 0.25);
            transform: translateY(-3px);
        }

        .stat-number {
            font-family: 'SF Mono', 'Cascadia Code', 'Roboto Mono', monospace;
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, #fff, var(--color-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 1rem;
            transition: border-color 0.3s ease;
        }

        .faq-item.open {
            border-color: rgba(34, 211, 238, 0.35);
        }

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

        .faq-icon {
            transition: transform 0.3s ease, color 0.3s ease;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-top: 0.5rem;
        }

        .mobile-menu {
            display: none;
        }

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

        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2.5rem;
            height: 2.5rem;
            padding: 0 0.75rem;
            border-radius: 0.75rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: all 0.2s ease;
        }

        .pagination-btn:hover {
            color: var(--color-accent);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .pagination-btn.active {
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-color: transparent;
            box-shadow: 0 0 16px rgba(46, 107, 255, 0.4);
        }

        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 0.75rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--color-text-title);
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .form-input::placeholder {
            color: var(--color-text-muted);
        }

        .form-input:focus {
            border-color: rgba(34, 211, 238, 0.5);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            color: var(--color-text-body);
            margin-bottom: 0.375rem;
            font-weight: 500;
            letter-spacing: 0.01em;
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

        .focus-outline:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 0.25rem;
        }

/* roulang page: article */
:root {
            --color-ink: #05070F;
            --color-navy: #0B1128;
            --color-primary: #2E6BFF;
            --color-primary-deep: #1B4DFF;
            --color-accent: #22D3EE;
            --color-warning: #F5B942;
            --color-white: #FFFFFF;
            --color-text-title: #F1F5F9;
            --color-text-body: #C7D2E0;
            --color-text-muted: #7C8DA6;
            --color-text-dark: #0F172A;
            --radius-card: 16px;
            --shadow-glow: 0 0 24px rgba(34, 211, 238, 0.25);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--color-navy);
            color: var(--color-text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-dark);
            padding: 8px 2px;
            transition: color 0.2s, opacity 0.2s;
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 3px;
            border-radius: 9999px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
        }

        .mobile-nav-link {
            display: block;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-dark);
            transition: background 0.2s, color 0.2s;
        }
        .mobile-nav-link:hover {
            background: #F1F5F9;
            color: var(--color-primary);
        }
        .mobile-nav-link.active-mobile {
            background: rgba(46, 107, 255, 0.08);
            color: var(--color-primary);
            font-weight: 600;
        }

        .search-input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 9999px;
            background: #F1F5F9;
            border: 1px solid transparent;
            font-size: 14px;
            color: var(--color-text-dark);
            transition: border-color 0.2s, box-shadow 0.2s, width 0.2s;
        }
        .search-input::placeholder {
            color: #94A3B8;
        }
        .search-input:focus {
            width: 220px;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.12);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 26px;
            border-radius: 9999px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            line-height: 1.2;
            box-shadow: 0 0 20px rgba(46, 107, 255, 0.45);
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(34, 211, 238, 0.5);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 26px;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--color-text-title);
            font-weight: 500;
            font-size: 14px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.97);
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(20px);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }
        .glass-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 9999px;
            background: rgba(34, 211, 238, 0.10);
            border: 1px solid rgba(34, 211, 238, 0.30);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
        }
        .pill:hover {
            background: rgba(34, 211, 238, 0.16);
            border-color: rgba(34, 211, 238, 0.5);
        }

        .pill-static {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            background: rgba(34, 211, 238, 0.10);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 500;
        }

        .footer-link {
            font-size: 14px;
            color: var(--color-text-muted);
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: var(--color-accent);
        }

        .article-hero {
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(5, 7, 15, 0.92), rgba(11, 17, 40, 0.85));
        }
        .article-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: 10%;
            width: 400px;
            height: 400px;
            background: rgba(46, 107, 255, 0.22);
            border-radius: 9999px;
            filter: blur(120px);
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            background-image:
                radial-gradient(ellipse at 20% 20%, rgba(46, 107, 255, 0.35), transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(34, 211, 238, 0.20), transparent 60%),
                linear-gradient(rgba(5, 7, 15, 0.55), rgba(5, 7, 15, 0.55)),
                url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(20px);
        }
        .cta-panel:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-glow);
        }

        .article-content {
            color: #334155;
            font-size: 16px;
            line-height: 1.9;
            word-break: break-word;
        }
        .article-content > *:first-child {
            margin-top: 0;
        }
        .article-content > *:last-child {
            margin-bottom: 0;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0F172A;
            margin: 2em 0 0.8em;
            padding-bottom: 0.45em;
            border-bottom: 1px solid #E2E8F0;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #0F172A;
            margin: 1.8em 0 0.6em;
        }
        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #0F172A;
            margin: 1.5em 0 0.5em;
        }
        .article-content p {
            margin-bottom: 1.3em;
        }
        .article-content a {
            color: #1B4DFF;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }
        .article-content a:hover {
            color: #2E6BFF;
        }
        .article-content img {
            display: block;
            margin: 2em auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
        }
        .article-content figure {
            margin: 2em 0;
            text-align: center;
        }
        .article-content figcaption {
            font-size: 13px;
            color: #64748B;
            margin-top: 0.8em;
        }
        .article-content blockquote {
            border-left: 4px solid #2E6BFF;
            background: #F8FAFC;
            padding: 1.2em 1.5em;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #475569;
            margin: 1.8em 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 1.2em 0;
            padding-left: 1.6em;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 0.5em;
            padding-left: 0.3em;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 14px;
        }
        .article-content th,
        .article-content td {
            border: 1px solid #E2E8F0;
            padding: 10px 14px;
            text-align: left;
        }
        .article-content th {
            background: #F1F5F9;
            font-weight: 600;
        }
        .article-content code {
            background: #F1F5F9;
            padding: 2px 6px;
            border-radius: 6px;
            font-size: 0.9em;
            font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        }
        .article-content pre {
            background: #0F172A;
            color: #E2E8F0;
            padding: 1.2em;
            border-radius: 12px;
            overflow-x: auto;
            margin: 1.5em 0;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .site-footer {
            background: #05070F;
        }

/* roulang page: category2 */
:root {
            --color-ink: #05070F;
            --color-navy: #0B1128;
            --color-primary: #2E6BFF;
            --color-primary-deep: #1B4DFF;
            --color-accent: #22D3EE;
            --color-warning: #F5B942;
            --color-text-title: #F1F5F9;
            --color-text-body: #C7D2E0;
            --color-text-muted: #7C8DA6;
            --color-text-dark: #0F172A;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--color-navy);
            color: var(--color-text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }
        input:focus,
        textarea:focus,
        button:focus,
        a:focus {
            outline: 2px solid rgba(34, 211, 238, 0.5);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .site-header {
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #475569;
            padding: 0.35rem 0.2rem;
            position: relative;
            transition: color .25s ease;
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(to right, var(--color-primary), var(--color-accent));
        }
        .search-wrap {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            background: #f1f5f9;
            border-radius: 999px;
            padding: 0.4rem 0.9rem;
            border: 1px solid transparent;
            transition: all .25s ease;
        }
        .search-wrap:focus-within {
            border-color: rgba(46, 107, 255, 0.4);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.1);
        }
        .search-input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            color: var(--color-text-dark);
            width: 130px;
            outline: none;
        }
        .search-input::placeholder {
            color: #94a3b8;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            padding: 0.6rem 1.5rem;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(46, 107, 255, 0.35);
            transition: all .3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(46, 107, 255, 0.5);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-title);
            font-weight: 500;
            border-radius: 999px;
            padding: 0.6rem 1.5rem;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(6px);
            transition: all .3s ease;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .hamburger-btn span {
            width: 22px;
            height: 2px;
            background: var(--color-text-dark);
            border-radius: 2px;
            transition: all .3s ease;
        }
        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 55;
            padding: 1.2rem 1.2rem 1.8rem;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
            transform: translateY(-12px);
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }
        .mobile-nav a {
            font-size: 1rem;
            font-weight: 500;
            color: #334155;
            padding: 0.6rem 0.8rem;
            border-radius: 0.6rem;
            transition: background .2s ease;
        }
        .mobile-nav a:hover {
            background: #f1f5f9;
        }
        .mobile-nav a.active {
            color: var(--color-primary);
            background: rgba(46, 107, 255, 0.06);
            font-weight: 600;
        }
        .mobile-search input {
            width: 100%;
            border: none;
            background: #f1f5f9;
            border-radius: 999px;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: var(--color-text-dark);
            outline: none;
        }
        .mobile-menu .btn-primary {
            width: 100%;
            margin-top: 0.8rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            border-radius: 999px;
            border: 1px solid rgba(34, 211, 238, 0.3);
            background: rgba(34, 211, 238, 0.1);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.35rem 1rem;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: 2.5rem;
            line-height: 1.15;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-text-title);
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 3.5rem;
            }
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-body);
            max-width: 620px;
            line-height: 1.8;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 1.25rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .3s ease;
        }
        .glass-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 24px rgba(34, 211, 238, 0.18);
        }
        .sec-pill {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            border: 1px solid rgba(34, 211, 238, 0.3);
            background: rgba(34, 211, 238, 0.08);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.25rem 0.9rem;
            letter-spacing: 0.03em;
        }
        .sec-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-title);
            letter-spacing: -0.01em;
        }
        @media (min-width: 768px) {
            .sec-title {
                font-size: 2.25rem;
            }
        }
        .sec-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .pill-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            background: rgba(5, 7, 15, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 0.5rem;
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .pill {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            border: 1px solid transparent;
            background: transparent;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.4rem 1.1rem;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .pill:hover {
            color: var(--color-text-title);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .pill.active {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            box-shadow: 0 0 16px rgba(46, 107, 255, 0.35);
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: rgba(46, 107, 255, 0.12);
            border: 1px solid rgba(46, 107, 255, 0.2);
            transition: all .3s ease;
            flex-shrink: 0;
        }
        .glass-card:hover .feature-icon {
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.25);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-title);
        }
        .card-text {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .article-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1.25rem;
            overflow: hidden;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            border-color: rgba(34, 211, 238, 0.3);
            box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
            transform: translateY(-3px);
        }
        .article-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .article-card-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .article-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(34, 211, 238, 0.1);
            border-radius: 999px;
            padding: 0.15rem 0.7rem;
            display: inline-block;
        }
        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(46, 107, 255, 0.35);
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            transition: all .3s ease;
            overflow: hidden;
        }
        .faq-item.open {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            background: none;
            border: none;
            padding: 1.1rem 1.3rem;
            cursor: pointer;
            font-size: 0.97rem;
            font-weight: 600;
            color: var(--color-text-title);
            text-align: left;
        }
        .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--color-accent);
            border: 1px solid rgba(34, 211, 238, 0.3);
            background: rgba(34, 211, 238, 0.08);
            flex-shrink: 0;
            transition: transform .3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 1.3rem;
            font-size: 0.88rem;
            color: var(--color-text-body);
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding-bottom: 1.1rem;
        }
        .form-input {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 0.8rem;
            padding: 0.7rem 1rem;
            font-size: 0.9rem;
            color: var(--color-text-title);
            outline: none;
            transition: all .3s ease;
        }
        .form-input::placeholder {
            color: rgba(124, 141, 166, 0.7);
        }
        .form-input:focus {
            border-color: rgba(34, 211, 238, 0.5);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
        }
        .site-footer {
            background: var(--color-ink);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            margin-top: 4rem;
        }
        .footer-link {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color .25s ease;
        }
        .footer-link:hover {
            color: var(--color-accent);
        }
        .cta-section {
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.12), rgba(34, 211, 238, 0.08));
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 1.5rem;
        }
        .copy-btn {
            position: absolute;
            top: 8px;
            right: 8px;
            z-index: 20;
            background: rgba(5, 7, 15, 0.6);
            color: var(--color-text-muted);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 0.5rem;
            padding: 0.25rem 0.6rem;
            font-size: 0.72rem;
            cursor: pointer;
            transition: all .25s ease;
        }
        .copy-btn:hover {
            color: #fff;
            border-color: rgba(34, 211, 238, 0.4);
        }
        .timeline-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
        }
        .timeline-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            margin-top: 8px;
            box-shadow: 0 0 8px rgba(46, 107, 255, 0.6);
        }
        .timeline-line {
            position: absolute;
            left: 4px;
            top: 18px;
            bottom: 18px;
            width: 1px;
            background: rgba(46, 107, 255, 0.25);
        }