/* roulang page: index */
:root {
            --bg-primary: #0A0F16;
            --bg-surface: #121A23;
            --bg-elevated: #1A2430;
            --line-border: rgba(255, 255, 255, 0.08);
            --line-strong: rgba(255, 180, 60, 0.35);
            --accent-primary: #F5A623;
            --accent-hover: #FFB84D;
            --accent-deep: #C47C10;
            --success: #34D399;
            --danger: #F87171;
            --text-title: #F5F7FA;
            --text-body: rgba(230, 235, 240, 0.82);
            --text-muted: rgba(160, 170, 180, 0.68);
            --radius: 16px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.6;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--accent-hover);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .text-title {
            color: var(--text-title);
        }
        .text-body {
            color: var(--text-body);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16 !important;
            font-weight: 700;
            border-radius: 9999px;
            padding: 12px 28px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all .25s ease;
            box-shadow: 0 4px 14px rgba(245, 166, 35, .35);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #FFB84D, #F5A623);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, .45);
        }
        .btn-primary:active {
            background: var(--accent-deep);
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 166, 35, .3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #F5F7FA !important;
            border-radius: 9999px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all .25s ease;
        }
        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-hover) !important;
            background: rgba(245, 166, 35, 0.06);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
            background: rgba(245, 166, 35, 0.12);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-weight: 500;
            border: 1px solid transparent;
        }
        .badge-gold {
            background: rgba(245, 166, 35, 0.12);
            color: #F5A623;
            border-color: rgba(245, 166, 35, 0.3);
        }
        .badge-green {
            background: rgba(52, 211, 153, 0.12);
            color: #34D399;
            border-color: rgba(52, 211, 153, 0.3);
        }
        .badge-red {
            background: rgba(248, 113, 113, 0.12);
            color: #F87171;
            border-color: rgba(248, 113, 113, 0.3);
        }
        .card {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--line-strong);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 15, 22, 0.55);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .glass-nav.scrolled {
            background: rgba(10, 15, 22, 0.95);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .nav-link {
            position: relative;
            padding: 8px 2px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(230, 235, 240, 0.75);
            transition: color .2s ease;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width .3s ease;
        }
        .nav-link:hover {
            color: var(--accent-hover);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--accent-primary);
        }
        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 22, 0.92), rgba(10, 15, 22, 0.55));
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            top: 20%;
            right: 10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.15), transparent 60%);
            pointer-events: none;
        }
        .step-connector {
            position: relative;
        }
        .step-connector::before {
            content: '';
            position: absolute;
            top: 28px;
            left: calc(50% + 48px);
            right: calc(-50% + 48px);
            height: 2px;
            border-top: 2px dashed rgba(245, 166, 35, 0.35);
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 2px solid var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-primary);
            background: rgba(245, 166, 35, 0.08);
        }
        .faq-details {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-details[open] {
            border-color: var(--line-strong);
        }
        .faq-details summary {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            list-style: none;
            transition: color .2s ease;
        }
        .faq-details summary::-webkit-details-marker {
            display: none;
        }
        .faq-details summary:hover {
            color: var(--accent-hover);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid rgba(245, 166, 35, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 16px;
            font-weight: 400;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
        }
        .faq-details[open] .faq-icon {
            transform: rotate(45deg);
            background: rgba(245, 166, 35, 0.1);
        }
        .faq-content {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
        }
        .news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px;
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 14px;
            transition: all .3s ease;
        }
        .news-item:hover {
            border-color: var(--line-strong);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transform: translateX(4px);
        }
        .news-thumb {
            width: 120px;
            height: 84px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), rgba(10, 15, 22, 0.6)), var(--bg-surface);
            border: 1px solid var(--line-strong);
            border-radius: 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.18), transparent 60%);
            pointer-events: none;
        }
        .footer-bg {
            background: #070B10;
        }
        .footer-link {
            display: inline-block;
            padding: 4px 0;
            font-size: 14px;
            color: rgba(160, 170, 180, 0.7);
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-link:hover {
            color: var(--accent-hover);
            padding-left: 4px;
        }
        .input-field {
            width: 100%;
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-title);
            transition: all .3s ease;
        }
        .input-field:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 0.2rem rgba(245, 166, 35, 0.15);
            outline: none;
        }
        .input-field::placeholder {
            color: rgba(160, 170, 180, 0.4);
        }
        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }
            .desktop-menu {
                display: none;
            }
            .step-connector::before {
                display: none;
            }
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none;
            }
            .desktop-menu {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .hero-title {
                font-size: 30px !important;
                line-height: 1.3 !important;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .overlay-card {
            background: linear-gradient(to top, rgba(10, 15, 22, 0.85), rgba(10, 15, 22, 0.1));
        }
        .section-padding {
            padding-top: 80px;
            padding-bottom: 80px;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }
        .divider-glow {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(245, 166, 35, 0.3), transparent);
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp .6s ease-out;
        }
        .delay-100 {
            animation-delay: .1s;
        }
        .delay-200 {
            animation-delay: .2s;
        }
        .delay-300 {
            animation-delay: .3s;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #0A0F16;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3);
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0F16;
            --bg-surface: #121A23;
            --bg-elevated: #1A2430;
            --line-border: rgba(255, 255, 255, 0.08);
            --line-strong: rgba(255, 180, 60, 0.35);
            --accent-primary: #F5A623;
            --accent-hover: #FFB84D;
            --accent-deep: #C47C10;
            --success: #34D399;
            --danger: #F87171;
            --text-title: #F5F7FA;
            --text-body: rgba(230, 235, 240, 0.82);
            --text-muted: rgba(160, 170, 180, 0.68);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

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

        a:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 15, 22, 0.55);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }

        .glass-nav.scrolled {
            background: rgba(10, 15, 22, 0.95);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 0 20px rgba(245, 166, 35, 0.3);
        }

        .desktop-menu .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(230, 235, 240, 0.75);
            padding: 6px 2px;
            transition: color 0.25s ease;
        }

        .desktop-menu .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        .desktop-menu .nav-link:hover::after {
            width: 100%;
        }

        .desktop-menu .nav-link.active {
            color: var(--accent-primary);
        }

        .desktop-menu .nav-link.active::after {
            width: 100%;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16;
            font-weight: 700;
            border-radius: 9999px;
            padding: 0.75rem 1.75rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.25);
            border: none;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #FFB84D, #F5A623);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
            color: #0A0F16;
        }

        .btn-primary:active {
            background: var(--accent-deep);
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 36, 48, 0.6);
            color: #fff;
            font-weight: 600;
            border-radius: 9999px;
            padding: 0.75rem 1.75rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: border-color 0.25s ease, color 0.25s ease, transform 0.25s ease, background 0.25s ease;
        }

        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-hover);
            transform: translateY(-2px);
            background: rgba(245, 166, 35, 0.08);
        }

        .mobile-menu {
            display: none;
        }

        .footer-bg {
            background: #070B10;
        }

        .footer-link {
            font-size: 14px;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
            display: inline-block;
        }

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

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }

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

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

        .breadcrumb .sep {
            color: rgba(160, 170, 180, 0.4);
        }

        .breadcrumb .current {
            color: var(--text-title);
            font-weight: 500;
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Article meta */
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent-primary);
            font-size: 13px;
        }

        /* Article body */
        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            word-break: break-word;
        }

        @media (min-width: 768px) {
            .article-body {
                font-size: 17px;
                line-height: 2;
            }
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            margin: 36px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--accent-primary);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-title);
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body strong {
            color: var(--text-title);
            font-weight: 600;
        }

        .article-body a {
            color: var(--accent-primary);
            border-bottom: 1px solid rgba(245, 166, 35, 0.3);
            transition: border-color 0.2s;
        }

        .article-body a:hover {
            border-color: var(--accent-primary);
            color: var(--accent-hover);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 20px;
            padding: 0;
        }

        .article-body ul {
            list-style: none;
        }

        .article-body ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
        }

        .article-body ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12px;
            width: 7px;
            height: 7px;
            border-radius: 2px;
            background: var(--accent-primary);
        }

        .article-body ol {
            list-style: decimal;
            padding-left: 22px;
        }

        .article-body ol li {
            padding-left: 6px;
            margin-bottom: 10px;
        }

        .article-body blockquote {
            background: var(--bg-surface);
            border-left: 4px solid var(--accent-primary);
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
            color: rgba(230, 235, 240, 0.75);
            font-style: normal;
        }

        .article-body blockquote p {
            margin-bottom: 6px;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: 12px;
            margin: 24px auto;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-surface);
        }

        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            text-align: left;
        }

        .article-body table th {
            background: var(--bg-elevated);
            color: var(--text-title);
            font-weight: 600;
        }

        .article-body code {
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--accent-hover);
            font-family: "SFMono-Regular", Consolas, monospace;
        }

        .article-body pre {
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-body pre code {
            background: transparent;
            border: none;
            padding: 0;
            color: rgba(230, 235, 240, 0.85);
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 80px 20px;
        }

        .empty-state .empty-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 28px;
            color: var(--accent-primary);
        }

        /* Related card */
        .related-card {
            display: block;
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 12px;
            padding: 20px 22px;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--line-strong);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
        }

        .related-card .rc-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s;
        }

        .related-card:hover .rc-title {
            color: var(--accent-hover);
        }

        .related-card .rc-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .rc-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .badge-accent {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 9999px;
            background: rgba(245, 166, 35, 0.12);
            color: #F5A623;
            border: 1px solid rgba(245, 166, 35, 0.3);
        }

        /* Tag */
        .tag {
            display: inline-block;
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            transition: all 0.2s;
        }

        .tag:hover {
            border-color: var(--line-strong);
            color: var(--accent-hover);
        }

        /* Section spacing */
        .section {
            padding: 60px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 80px 0;
            }
        }

        /* Divider */
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.08), transparent);
            border: none;
            margin: 0;
        }

        /* CTA panel */
        .cta-panel {
            position: relative;
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), rgba(232, 134, 27, 0.06));
            border: 1px solid rgba(245, 166, 35, 0.25);
            border-radius: 20px;
            padding: 48px 32px;
            text-align: center;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(245, 166, 35, 0.08);
            filter: blur(60px);
            pointer-events: none;
        }

        @media (min-width: 768px) {
            .cta-panel {
                padding: 64px 48px;
            }
        }

        /* 移动端 */
        @media (max-width: 768px) {
            .desktop-menu {
                display: none !important;
            }

            .mobile-menu {
                display: block;
                font-size: 18px;
                background: transparent;
                border: none;
                color: #fff;
                padding: 8px;
                border-radius: 8px;
            }

            .mobile-menu:hover {
                color: var(--accent-primary);
            }

            .mobile-panel-open {
                display: block !important;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }

            #mobilePanel {
                display: none !important;
            }
        }

        .hero-bg-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .hero-bg-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(10, 15, 22, 0.95), rgba(10, 15, 22, 0.65));
            z-index: 1;
        }

        .hero-bg-section>* {
            position: relative;
            z-index: 2;
        }

        /* 文章标签 */
        .tag-item {
            display: inline-block;
            background: rgba(245, 166, 35, 0.1);
            color: var(--accent-hover);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 9999px;
            border: 1px solid rgba(245, 166, 35, 0.22);
            margin-right: 6px;
            margin-bottom: 6px;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0F16;
            --bg-surface: #121A23;
            --bg-elevated: #1A2430;
            --line-border: rgba(255, 255, 255, 0.08);
            --line-strong: rgba(255, 180, 60, 0.35);
            --accent-primary: #F5A623;
            --accent-hover: #FFB84D;
            --accent-deep: #C47C10;
            --success: #34D399;
            --danger: #F87171;
            --text-title: #F5F7FA;
            --text-body: rgba(230, 235, 240, 0.82);
            --text-muted: rgba(160, 170, 180, 0.68);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-title);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        /* ===== 导航 ===== */
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 15, 22, 0.55);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.35s ease;
        }

        .glass-nav.scrolled {
            background: rgba(10, 15, 22, 0.95);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16;
            font-weight: 900;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
            flex-shrink: 0;
        }

        .desktop-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            color: rgba(230, 235, 240, 0.72);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width 0.3s ease;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

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

        .nav-link.active::after {
            width: 100%;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16;
            font-weight: 700;
            border-radius: 9999px;
            padding: 12px 28px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #FFB84D, #F5A623);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }

        .btn-primary:active {
            background: var(--accent-deep);
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 36, 48, 0.6);
            color: #fff;
            font-weight: 500;
            border-radius: 9999px;
            padding: 12px 28px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            border-color: var(--line-strong);
            color: var(--accent-hover);
            transform: translateY(-2px);
        }

        .mobile-menu {
            display: none;
        }

        /* ===== Hero 分类页 ===== */
        .hero-category1 {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 170px 0 110px;
        }

        .hero-category1::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 22, 0.95), rgba(10, 15, 22, 0.55));
        }

        .hero-category1 .container {
            position: relative;
            z-index: 2;
        }

        /* ===== 图文交错区块 ===== */
        .feature-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .feature-image {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 4/3;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
            border: 1px solid var(--line-border);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-image:hover img {
            transform: scale(1.04);
        }

        .feature-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 22, 0.25), transparent 50%);
        }

        .feature-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
        }

        /* ===== 指标卡 ===== */
        .metric-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 20px;
            padding: 40px 32px;
            text-align: center;
            transition: all 0.35s ease;
        }

        .metric-card:hover {
            border-color: var(--line-strong);
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }

        .metric-number {
            font-size: 52px;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1.1;
            letter-spacing: -2px;
        }

        .metric-label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* ===== 徽章 ===== */
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-primary);
            border: 1px solid rgba(245, 166, 35, 0.3);
        }

        .badge-green {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(52, 211, 153, 0.12);
            color: var(--success);
            border: 1px solid rgba(52, 211, 153, 0.3);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item[open] {
            border-color: var(--line-strong);
        }

        .faq-item summary {
            padding: 22px 26px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            list-style: none;
            outline: none;
            transition: background 0.3s;
        }

        .faq-item summary:hover {
            background: rgba(255, 255, 255, 0.02);
        }

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

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid rgba(245, 166, 35, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 18px;
            transition: transform 0.4s ease;
            flex-shrink: 0;
        }

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

        .faq-content {
            padding: 0 26px 24px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.14), rgba(232, 134, 27, 0.06));
            border: 1px solid rgba(245, 166, 35, 0.2);
            border-radius: 28px;
            position: relative;
            overflow: hidden;
            padding: 60px 48px;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.18), transparent 70%);
            border-radius: 50%;
        }

        /* ===== 页脚 ===== */
        .footer-bg {
            background: #070B10;
        }

        .footer-link {
            display: block;
            padding: 4px 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

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

        /* ===== 相关推荐 ===== */
        .related-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 16px;
            padding: 24px;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            border-color: var(--line-strong);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--line-strong), transparent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .feature-card {
                gap: 36px;
            }

            .metric-number {
                font-size: 42px;
            }

            .cta-panel {
                padding: 48px 32px;
            }
        }

        @media (max-width: 768px) {
            .desktop-menu {
                display: none !important;
            }

            .mobile-menu {
                display: block;
            }

            .hero-category1 {
                padding: 130px 0 70px;
            }

            .feature-card {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .feature-card:nth-child(even) .feature-image {
                order: -1;
            }

            .metric-number {
                font-size: 38px;
            }

            .cta-panel {
                padding: 40px 24px;
                border-radius: 20px;
            }

            .cta-panel h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-category1 {
                padding: 110px 0 56px;
            }

            .hero-category1 h1 {
                font-size: 26px !important;
            }

            .feature-card {
                gap: 20px;
            }

            .metric-card {
                padding: 28px 20px;
            }

            .metric-number {
                font-size: 32px;
            }

            .cta-panel {
                padding: 32px 20px;
            }

            .cta-panel h2 {
                font-size: 22px !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0F16;
            --bg-surface: #121A23;
            --bg-elevated: #1A2430;
            --line-border: rgba(255, 255, 255, 0.08);
            --line-strong: rgba(255, 180, 60, 0.35);
            --accent-primary: #F5A623;
            --accent-hover: #FFB84D;
            --accent-deep: #C47C10;
            --success: #34D399;
            --danger: #F87171;
            --text-title: #F5F7FA;
            --text-body: rgba(230, 235, 240, 0.82);
            --text-muted: rgba(160, 170, 180, 0.68);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 15, 22, 0.55);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-border);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }

        .glass-nav.scrolled {
            background: rgba(10, 15, 22, 0.95);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #0A0F16;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3);
        }

        .desktop-menu .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            padding: 8px 2px;
            transition: color 0.3s;
        }

        .desktop-menu .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width 0.3s ease;
        }

        .desktop-menu .nav-link:hover,
        .desktop-menu .nav-link.active {
            color: var(--accent-hover);
        }

        .desktop-menu .nav-link:hover::after,
        .desktop-menu .nav-link.active::after {
            width: 100%;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 15px;
            color: #0A0F16;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.25);
            border: none;
            cursor: pointer;
            transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent-hover), #F5A623);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }

        .btn-primary:active {
            background: var(--accent-deep);
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 9999px;
            font-weight: 500;
            font-size: 15px;
            color: #fff;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.25s;
        }

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

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

        .footer-bg {
            background-color: #070B10;
        }

        .footer-link {
            display: block;
            padding: 4px 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.25s, padding-left 0.25s;
        }

        .footer-link:hover {
            color: var(--accent-hover);
            padding-left: 6px;
        }

        .cate-hero {
            position: relative;
            padding: 160px 0 100px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .cate-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 22, 0.94), rgba(10, 15, 22, 0.68));
            z-index: 1;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 500;
            color: #F5A623;
            background: rgba(245, 166, 35, 0.12);
            border: 1px solid rgba(245, 166, 35, 0.3);
        }

        .badge-success {
            color: #34D399;
            background: rgba(52, 211, 153, 0.1);
            border-color: rgba(52, 211, 153, 0.25);
        }

        .guide-directory {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .dir-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            border-radius: 16px;
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            transition: all 0.3s ease;
        }

        .dir-card:hover {
            border-color: var(--line-strong);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
        }

        .dir-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1;
            font-family: Inter, sans-serif;
        }

        .dir-card span:last-child {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-title);
        }

        .guide-panel {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            padding: 40px;
            border-radius: 20px;
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            transition: border-color 0.3s ease;
        }

        .guide-panel:hover {
            border-color: var(--line-strong);
        }

        .guide-index {
            font-size: 72px;
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 2px var(--accent-primary);
            font-family: Inter, sans-serif;
            white-space: nowrap;
            min-width: 100px;
        }

        .guide-panel h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 14px;
        }

        .guide-panel p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        .guide-panel .point-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            padding: 6px 12px;
            border-radius: 9999px;
            color: var(--accent-primary);
            background: rgba(245, 166, 35, 0.1);
            border: 1px solid rgba(245, 166, 35, 0.2);
            margin-top: 10px;
        }

        .guide-img {
            flex-shrink: 0;
            width: 200px;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--line-border);
        }

        .guide-img img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .guide-img:hover img {
            transform: scale(1.06);
        }

        .quick-tip-card {
            padding: 24px;
            border-radius: 16px;
            background: var(--bg-elevated);
            border: 1px solid var(--line-border);
            transition: all 0.3s;
        }

        .quick-tip-card:hover {
            border-color: var(--line-strong);
            transform: translateY(-4px);
        }

        .quick-tip-card i {
            font-size: 22px;
            color: var(--accent-primary);
            margin-bottom: 12px;
        }

        .quick-tip-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .quick-tip-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .faq-details {
            border-radius: 16px;
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            transition: border-color 0.3s;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-details[open] {
            border-color: var(--line-strong);
        }

        .faq-details summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-title);
            transition: color 0.3s;
        }

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

        .faq-details summary .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--accent-primary);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform 0.3s;
        }

        .faq-details[open] summary .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent-primary);
        }

        .faq-details summary:hover {
            color: var(--accent-hover);
        }

        .faq-details .faq-body {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .cta-impact {
            position: relative;
            padding: 80px 0;
            border-radius: 24px;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), rgba(232, 134, 27, 0.04));
            border: 1px solid var(--line-strong);
            text-align: center;
        }

        .cta-impact::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-impact>* {
            position: relative;
            z-index: 1;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .divider-light {
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.08), transparent);
            border: none;
        }

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

        @media (max-width: 768px) {
            .guide-directory {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-panel {
                flex-direction: column;
                padding: 28px;
                gap: 20px;
            }
            .guide-index {
                font-size: 56px;
            }
            .guide-img {
                width: 100%;
            }
            .cate-hero {
                padding: 130px 0 70px;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .guide-directory {
                grid-template-columns: 1fr;
            }
            .cate-hero {
                padding: 120px 0 60px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0F16;
            --bg-surface: #121A23;
            --bg-elevated: #1A2430;
            --line-border: rgba(255, 255, 255, 0.08);
            --line-strong: rgba(255, 180, 60, 0.35);
            --accent-primary: #F5A623;
            --accent-hover: #FFB84D;
            --accent-deep: #C47C10;
            --success: #34D399;
            --danger: #F87171;
            --text-title: #F5F7FA;
            --text-body: rgba(230, 235, 240, 0.82);
            --text-muted: rgba(160, 170, 180, 0.68);
            --radius: 16px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(10, 15, 22, 0.55);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }
        .glass-nav.scrolled {
            background: rgba(10, 15, 22, 0.95);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16;
            font-weight: 800;
            font-size: 22px;
            box-shadow: 0 0 20px rgba(245, 166, 35, 0.25);
        }
        .desktop-menu {
            display: none;
        }
        @media (min-width: 768px) {
            .desktop-menu {
                display: flex;
            }
        }
        .nav-link {
            position: relative;
            color: rgba(230, 235, 240, 0.8);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            transition: color 0.3s;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transition: width 0.3s ease;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--accent-primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #F5A623, #E8861B);
            color: #0A0F16;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 26px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.25);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #FFB84D, #F5A623);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }
        .btn-primary:active {
            background: #C47C10;
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            font-weight: 500;
            border-radius: 999px;
            padding: 12px 26px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: rgba(245, 166, 35, 0.6);
            color: var(--accent-hover);
        }
        .hero-overlay {
            background: linear-gradient(to top, rgba(10, 15, 22, 0.92) 20%, rgba(10, 15, 22, 0.55) 100%);
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(245, 166, 35, 0.12);
            color: #F5A623;
            border: 1px solid rgba(245, 166, 35, 0.3);
        }
        .badge-success {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(52, 211, 153, 0.1);
            color: #34D399;
            border: 1px solid rgba(52, 211, 153, 0.3);
        }
        .surface-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .elevated-block {
            background: var(--bg-elevated);
            border: 1px solid var(--line-border);
            border-radius: 14px;
        }
        .index-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 10px;
            color: var(--text-body);
            font-size: 15px;
            transition: all 0.25s ease;
            cursor: pointer;
            border: 1px solid transparent;
        }
        .index-link:hover {
            background: rgba(245, 166, 35, 0.08);
            color: var(--accent-hover);
            border-color: rgba(245, 166, 35, 0.2);
        }
        .index-link .icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(245, 166, 35, 0.1);
            color: var(--accent-primary);
            font-size: 15px;
            flex-shrink: 0;
        }
        details.safety-acc {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        details.safety-acc[open] {
            border-color: var(--line-strong);
            box-shadow: 0 0 0 1px rgba(245, 166, 35, 0.1), 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        details.safety-acc summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            font-weight: 600;
            font-size: 16px;
            color: #F5F7FA;
            transition: background 0.3s;
        }
        details.safety-acc summary::-webkit-details-marker {
            display: none;
        }
        details.safety-acc summary:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        details.safety-acc summary .icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        details.safety-acc summary .arrow {
            margin-left: auto;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-body);
            transition: transform 0.35s ease, background 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }
        details.safety-acc[open] summary .arrow {
            transform: rotate(45deg);
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-primary);
            border-color: rgba(245, 166, 35, 0.3);
        }
        details.safety-acc .acc-content {
            padding: 0 24px 24px 80px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
        }
        @media (max-width: 640px) {
            details.safety-acc .acc-content {
                padding-left: 22px;
            }
        }
        details.faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        details.faq-item[open] {
            border-color: var(--line-strong);
        }
        details.faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            font-weight: 500;
            font-size: 16px;
            color: #F5F7FA;
            transition: background 0.3s;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        details.faq-item summary .q-icon {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: rgba(245, 166, 35, 0.1);
            color: var(--accent-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        details.faq-item summary .plus {
            margin-left: auto;
            font-size: 20px;
            color: var(--text-muted);
            transition: transform 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }
        details.faq-item[open] summary .plus {
            transform: rotate(45deg);
            color: var(--accent-primary);
        }
        details.faq-item .faq-body {
            padding: 0 22px 20px 62px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
        }
        @media (max-width: 640px) {
            details.faq-item .faq-body {
                padding-left: 20px;
            }
        }
        .stat-box {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 16px;
            padding: 28px 24px;
            text-align: center;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }
        .stat-box:hover {
            transform: translateY(-4px);
            border-color: rgba(245, 166, 35, 0.25);
        }
        .stat-box .num {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1.2;
        }
        .stat-box .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .safety-step {
            position: relative;
            padding-left: 34px;
            transition: transform 0.3s ease;
        }
        .safety-step:hover {
            transform: translateX(6px);
        }
        .safety-step::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: -20px;
            width: 2px;
            background: linear-gradient(to bottom, rgba(245, 166, 35, 0.5), transparent);
        }
        .safety-step:last-child::before {
            display: none;
        }
        .safety-step .step-num {
            position: absolute;
            left: 0;
            top: 2px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-primary);
            background: var(--bg-primary);
            z-index: 1;
        }
        .related-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-border);
            border-radius: 16px;
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--line-strong);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), rgba(232, 134, 27, 0.05));
            border: 1px solid rgba(245, 166, 35, 0.25);
            border-radius: 24px;
            backdrop-filter: blur(8px);
        }
        .footer-bg {
            background: #070B10;
        }
        .footer-link {
            color: var(--text-muted);
            font-size: 14px;
            padding: 3px 0;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }
        .footer-link:hover {
            color: var(--accent-primary);
            padding-left: 4px;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: var(--accent-hover);
        }
        .mobile-menu {
            display: block;
        }
        @media (min-width: 768px) {
            .mobile-menu {
                display: none;
            }
        }
        .text-muted {
            color: var(--text-muted);
        }
        input:focus {
            outline: none;
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 0.2rem rgba(245, 166, 35, 0.15);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
        }