/* roulang page: index */
:root {
            --color-primary: #1e1b4b;
            --color-primary-light: #312e81;
            --color-primary-lighter: #4338ca;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-heading: #0f172a;
            --color-text-muted: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-success-bg: #ecfdf5;
            --color-warning: #f59e0b;
            --color-warning-bg: #fffbeb;
            --color-error: #ef4444;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.16), 0 8px 16px rgba(0,0,0,0.08);
            --shadow-glow: 0 0 0 4px rgba(245,158,11,0.18);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 900px;
            --nav-height: 64px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--color-text-heading);
            font-weight: 700;
            line-height: 1.3;
        }

        h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
        h4 { font-size: 1.1rem; }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--sm {
            padding-top: var(--section-gap-sm);
            padding-bottom: var(--section-gap-sm);
        }

        .section--alt {
            background-color: var(--color-bg-alt);
        }

        .section--dark {
            background-color: var(--color-primary);
            color: #e2e8f0;
        }

        .section--dark h2,
        .section--dark h3,
        .section--dark h4 {
            color: #ffffff;
        }

        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section__header h2 {
            margin-bottom: 12px;
        }

        .section__header p {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .section--dark .section__header p {
            color: #cbd5e1;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .badge--primary {
            background-color: rgba(30,27,75,0.08);
            color: var(--color-primary);
        }

        .badge--accent {
            background-color: var(--color-warning-bg);
            color: var(--color-accent-dark);
        }

        .badge--success {
            background-color: var(--color-success-bg);
            color: var(--color-success);
        }

        .badge--outline {
            background: transparent;
            border: 1.5px solid var(--color-border);
            color: var(--color-text-muted);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
            overflow: hidden;
            border: 2px solid transparent;
            cursor: pointer;
            text-align: center;
        }

        .btn--primary {
            background-color: var(--color-accent);
            color: #1a1202;
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .btn--primary:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            transform: translateY(-1px);
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }

        .btn--primary:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn--secondary {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn--secondary:hover {
            background-color: var(--color-primary);
            color: #ffffff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn--secondary:active {
            transform: translateY(0);
            background-color: var(--color-primary-light);
            border-color: var(--color-primary-light);
            color: #ffffff;
        }

        .btn--secondary:focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 3px;
        }

        .btn--ghost {
            background-color: transparent;
            color: var(--color-text-muted);
            border-color: transparent;
            padding: 10px 20px;
        }

        .btn--ghost:hover {
            color: var(--color-primary);
            background-color: rgba(30,27,75,0.05);
        }

        .btn--lg {
            padding: 18px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-full);
        }

        .btn--sm {
            padding: 9px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-full);
        }

        .btn i {
            font-size: 0.9em;
        }

        .card {
            background-color: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .card__image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background-color: var(--color-bg-alt);
        }

        .card__body {
            padding: 20px 24px 24px;
        }

        .card__body h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .card__body p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-bottom: 10px;
        }

        .card__footer {
            padding: 16px 24px;
            border-top: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card--horizontal {
            display: flex;
            flex-direction: row;
            align-items: stretch;
        }

        .card--horizontal .card__image {
            width: 240px;
            flex-shrink: 0;
            aspect-ratio: auto;
            min-height: 100%;
        }

        .card--horizontal .card__body {
            flex: 1;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            background-color: rgba(30,27,75,0.06);
            color: var(--color-primary-light);
            transition: all var(--transition-fast);
        }

        .tag:hover {
            background-color: rgba(30,27,75,0.12);
            color: var(--color-primary);
        }

        .tag--accent {
            background-color: var(--color-warning-bg);
            color: var(--color-accent-dark);
        }

        .grid {
            display: grid;
            gap: 24px;
        }

        .grid--2 { grid-template-columns: repeat(2, 1fr); }
        .grid--3 { grid-template-columns: repeat(3, 1fr); }
        .grid--4 { grid-template-columns: repeat(4, 1fr); }

        .stat-block {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-md);
            background-color: var(--color-surface);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-block__number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-block__label {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-top: 6px;
        }

        .section--dark .stat-block {
            background-color: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.1);
        }

        .section--dark .stat-block__number {
            color: var(--color-accent-light);
        }

        .section--dark .stat-block__label {
            color: #cbd5e1;
        }

        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            font-size: 1.4rem;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .icon-circle--primary {
            background-color: rgba(30,27,75,0.08);
            color: var(--color-primary);
        }

        .icon-circle--accent {
            background-color: var(--color-warning-bg);
            color: var(--color-accent);
        }

        .icon-circle--success {
            background-color: var(--color-success-bg);
            color: var(--color-success);
        }

        .icon-circle--lg {
            width: 72px;
            height: 72px;
            font-size: 1.8rem;
        }

        .step-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 28px;
            background-color: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #ffffff;
            font-weight: 700;
            font-size: 1.15rem;
            flex-shrink: 0;
        }

        .step-item__content h4 {
            margin-bottom: 4px;
        }

        .step-item__content p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            margin: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 4px;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--color-text-heading);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 16px;
            background: none;
            border: none;
            font-family: inherit;
        }

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

        .faq-question i {
            font-size: 1rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question {
            color: var(--color-primary);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 4px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            color: var(--color-text-muted);
            font-size: 0.94rem;
            line-height: 1.7;
        }

        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding-top: 100px;
            padding-bottom: 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,12,41,0.82) 0%, rgba(30,27,75,0.7) 40%, rgba(15,12,41,0.85) 100%);
            z-index: 1;
        }

        .hero__content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 750px;
            padding: 0 24px;
        }

        .hero__content h1 {
            color: #ffffff;
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .hero__content h1 span {
            color: var(--color-accent-light);
        }

        .hero__content p {
            color: rgba(255,255,255,0.85);
            font-size: 1.15rem;
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero__actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero__actions .btn--secondary {
            color: #ffffff;
            border-color: rgba(255,255,255,0.5);
        }

        .hero__actions .btn--secondary:hover {
            border-color: #ffffff;
            background-color: rgba(255,255,255,0.12);
            color: #ffffff;
        }

        .hero__scroll-hint {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            animation: bounceDown 2s ease-in-out infinite;
        }

        @keyframes bounceDown {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }

        header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: 1100px;
            transition: all var(--transition-base);
        }

        header.scrolled {
            top: 0;
            width: 100%;
            max-width: 100%;
            border-radius: 0;
        }

        header.scrolled .nav-capsule {
            border-radius: 0;
            box-shadow: var(--shadow-lg);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255,255,255,0.5);
            transition: all var(--transition-base);
            gap: 20px;
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.3rem;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.94rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background-color: rgba(30,27,75,0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background-color: rgba(30,27,75,0.08);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
            background: none;
            border: none;
        }

        .nav-toggle:hover {
            background-color: rgba(30,27,75,0.05);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15,12,41,0.7);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            width: calc(100% - 48px);
            max-width: 420px;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 20px;
            z-index: 1001;
            display: flex;
            flex-direction: column;
            gap: 4px;
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-base);
        }

        .mobile-nav-panel.open {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1.05rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            text-align: center;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background-color: rgba(30,27,75,0.08);
            color: var(--color-primary);
            font-weight: 600;
        }

        footer {
            background-color: var(--color-primary);
            color: #cbd5e1;
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #ffffff;
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .footer-brand p {
            color: #94a3b8;
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #64748b;
        }

        .text-center { text-align: center; }
        .mt-2 { margin-top: 8px; }
        .mt-3 { margin-top: 12px; }
        .mt-4 { margin-top: 16px; }
        .mt-6 { margin-top: 24px; }
        .mt-8 { margin-top: 32px; }
        .mb-2 { margin-bottom: 8px; }
        .mb-4 { margin-bottom: 16px; }
        .mb-6 { margin-bottom: 24px; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 12px; }

        .highlight-box {
            background: linear-gradient(135deg, rgba(245,158,11,0.08) 0%, rgba(245,158,11,0.02) 100%);
            border: 1px solid rgba(245,158,11,0.25);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            text-align: center;
        }

        .highlight-box h3 {
            color: var(--color-accent-dark);
            margin-bottom: 8px;
        }

        .highlight-box p {
            color: var(--color-text-muted);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .search-mini {
            display: flex;
            gap: 8px;
            max-width: 480px;
            margin: 0 auto;
        }

        .search-mini input {
            flex: 1;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            border: 2px solid var(--color-border);
            background-color: var(--color-surface);
            font-size: 0.95rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .search-mini input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(245,158,11,0.1);
        }

        .search-mini input::placeholder {
            color: var(--color-text-light);
        }

        .empty-state {
            text-align: center;
            padding: 48px 24px;
            background-color: var(--color-bg-alt);
            border-radius: var(--radius-md);
            border: 2px dashed var(--color-border);
            color: var(--color-text-muted);
        }

        .empty-state i {
            font-size: 2.5rem;
            color: var(--color-text-light);
            margin-bottom: 12px;
            display: block;
        }

        .empty-state p {
            font-size: 0.95rem;
        }

        @media (max-width: 1024px) {
            .grid--4 { grid-template-columns: repeat(2, 1fr); }
            .grid--3 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .card--horizontal { flex-direction: column; }
            .card--horizontal .card__image {
                width: 100%;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .hero { min-height: 70vh; }
            .section { padding-top: 56px; padding-bottom: 56px; }
        }

        @media (max-width: 768px) {
            .grid--2,
            .grid--3,
            .grid--4 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .nav-links { display: none; }
            .nav-toggle { display: flex; }
            .mobile-nav-overlay { display: block; }
            .hero { min-height: 65vh; padding-top: 90px; }
            .hero__content h1 { font-size: 1.9rem; }
            .hero__content p { font-size: 1rem; }
            .section { padding-top: 44px; padding-bottom: 44px; }
            .section__header { margin-bottom: 32px; }
            .stat-block__number { font-size: 2rem; }
            .btn--lg { padding: 14px 28px; font-size: 1rem; }
            .highlight-box { padding: 24px 20px; }
            .step-item { padding: 18px 20px; gap: 14px; }
            .step-item::before { width: 36px; height: 36px; font-size: 1rem; }
            .nav-capsule { padding: 10px 18px; }
            .nav-logo { font-size: 1.05rem; }
        }

        @media (max-width: 520px) {
            header { top: 8px; width: calc(100% - 24px); }
            .nav-capsule { padding: 10px 16px; border-radius: var(--radius-lg); }
            .hero { min-height: 60vh; padding-top: 80px; padding-bottom: 60px; }
            .hero__content h1 { font-size: 1.6rem; }
            .hero__content p { font-size: 0.9rem; }
            .hero__actions { flex-direction: column; align-items: center; }
            .hero__actions .btn { width: 100%; max-width: 280px; }
            .btn { padding: 12px 22px; font-size: 0.9rem; }
            .section { padding-top: 36px; padding-bottom: 36px; }
            .card__body { padding: 16px 18px 20px; }
            .highlight-box { padding: 20px 16px; border-radius: var(--radius-md); }
            .search-mini { flex-direction: column; }
            .mobile-nav-panel { width: calc(100% - 24px); top: 70px; }
            .faq-question { font-size: 0.94rem; padding: 16px 2px; }
            footer { padding: 36px 0 24px; }
        }

/* roulang page: article */
:root {
            --primary: #0a58ca;
            --primary-light: #3b82f6;
            --primary-dark: #084298;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #10b981;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.05);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: 0.2s ease;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input, textarea {
            font: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 悬浮胶囊导航 */
        #siteHeader {
            position: sticky;
            top: 16px;
            z-index: 100;
            padding: 0 16px;
            margin-bottom: 0;
            display: flex;
            justify-content: center;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.6);
            box-shadow: 0 8px 24px rgba(0,0,0,0.08);
            border-radius: 60px;
            padding: 10px 28px;
            width: 100%;
            max-width: 1000px;
            flex-wrap: nowrap;
            transition: box-shadow var(--transition);
        }

        .nav-capsule:hover {
            box-shadow: 0 12px 28px rgba(0,0,0,0.12);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-logo i {
            color: var(--secondary);
            font-size: 1.6rem;
        }

        .nav-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .nav-links a {
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .nav-links a:hover {
            background: var(--border-light);
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(10,88,202,0.25);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* 详情页容器 */
        .article-wrapper {
            padding-top: 40px;
            padding-bottom: 80px;
        }

        .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--primary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--text-weak);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-main {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
            border: 1px solid var(--border);
        }

        .article-meta {
            display: flex;
            gap: 16px;
            align-items: center;
            margin-bottom: 24px;
            flex-wrap: wrap;
            color: var(--text-weak);
            font-size: 0.9rem;
        }

        .article-category {
            background: var(--primary-light);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }

        .article-date i {
            margin-right: 4px;
        }

        .article-main h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text);
        }

        .article-excerpt {
            font-size: 1.1rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 32px;
            padding-left: 16px;
            border-left: 4px solid var(--secondary);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 20px;
        }
        .article-content h2 {
            font-size: 1.6rem;
            margin: 40px 0 16px;
            color: var(--primary-dark);
            border-bottom: 2px solid var(--border);
            padding-bottom: 8px;
        }
        .article-content h3 {
            font-size: 1.3rem;
            margin: 32px 0 12px;
            color: var(--text);
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content ul, .article-content ol {
            margin: 16px 0 24px 24px;
        }

        .not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .not-found i {
            font-size: 3rem;
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .not-found h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        /* 侧边栏 */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 28px;
            border: 1px solid var(--border);
        }

        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
        }

        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 14px;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .sidebar-card a {
            color: var(--text);
            font-weight: 500;
            transition: color var(--transition);
            display: block;
        }
        .sidebar-card a:hover {
            color: var(--primary);
        }
        .sidebar-card .post-date {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* 底部推荐 */
        .related-section {
            margin-top: 64px;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title i {
            color: var(--secondary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 2px solid var(--border);
        }
        .related-card-body {
            padding: 24px;
        }
        .related-card-body h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .related-card-body p {
            color: var(--text-weak);
            font-size: 0.9rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            transition: background var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn:hover {
            background: var(--primary-dark);
        }

        /* Footer */
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 60px 0 24px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .footer-links h4 {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a, .footer-links span {
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: white;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            font-size: 0.9rem;
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1 1 250px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 80px;
                left: 20px;
                right: 20px;
                background: white;
                flex-direction: column;
                padding: 24px;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-xl);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .article-main {
                padding: 28px;
            }
            .article-main h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-capsule {
                padding: 10px 20px;
            }
            .article-main h1 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #8B5CF6;
            --color-primary-dark: #7C3AED;
            --color-primary-light: #A78BFA;
            --color-primary-glow: rgba(139, 92, 246, 0.25);
            --color-accent: #F97316;
            --color-accent-light: #FB923C;
            --color-accent-glow: rgba(249, 115, 22, 0.3);
            --color-cyan: #00D9A6;
            --color-bg-deep: #0D0B14;
            --color-bg-card: #16132A;
            --color-bg-surface: #1C1835;
            --color-bg-elevated: #221E40;
            --color-bg-input: #1E1A38;
            --color-text: #EAE6F5;
            --color-text-secondary: #B5B0CC;
            --color-text-muted: #7A7599;
            --color-border: #2A2545;
            --color-border-light: #38335A;
            --color-white: #FFFFFF;
            --color-black: #000000;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
            --shadow-glow-primary: 0 0 30px var(--color-primary-glow);
            --shadow-glow-accent: 0 0 24px var(--color-accent-glow);
            --shadow-card-hover: 0 8px 32px rgba(139,92,246,0.2), 0 4px 12px rgba(0,0,0,0.4);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --nav-height: 64px;
            --container-max: 1200px;
            --container-padding: 24px;
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul, ol {
            list-style: none;
            padding: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-white);
        }

        ::selection {
            background: var(--color-primary);
            color: var(--color-white);
        }

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

        /* ============ Container ============ */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }

        /* ============ Header & Navigation ============ */
        #siteHeader {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: 1100px;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(22, 19, 42, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 10px 20px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.04) inset;
            transition: all var(--transition-smooth);
        }

        .nav-capsule.scrolled {
            background: rgba(22, 19, 42, 0.94);
            box-shadow: 0 12px 40px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.06) inset;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-logo i {
            font-size: 1.35rem;
            color: var(--color-primary-light);
            transition: transform var(--transition-bounce);
        }

        .nav-logo:hover i {
            transform: rotate(-12deg) scale(1.15);
            color: var(--color-accent-light);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-white);
            background: rgba(255,255,255,0.06);
        }

        .nav-links a.active {
            color: var(--color-white);
            background: var(--color-primary);
            box-shadow: 0 4px 16px var(--color-primary-glow);
        }

        .nav-links a.active:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 22px var(--color-primary-glow);
        }

        /* 移动端菜单按钮 */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255,255,255,0.06);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-white);
            border-radius: 3px;
            transition: all var(--transition-smooth);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5.5px, 5.5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5.5px, -5.5px);
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-wrapper {
            padding-top: 110px;
            padding-bottom: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--color-border-light);
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--color-primary-light);
            font-weight: 600;
        }

        /* ============ Banner ============ */
        .category-banner {
            position: relative;
            margin-top: 20px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                135deg,
                rgba(13,11,20,0.85) 0%,
                rgba(22,19,42,0.7) 40%,
                rgba(13,11,20,0.82) 100%
            );
            z-index: 1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, var(--color-bg-deep) 0%, transparent 100%);
            z-index: 2;
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            padding: 50px 40px;
            max-width: 700px;
        }

        .banner-label {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(139,92,246,0.2);
            border: 1px solid rgba(139,92,246,0.35);
            color: var(--color-primary-light);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

        .banner-label i {
            font-size: 0.8rem;
        }

        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            margin: 0 0 14px 0;
            letter-spacing: -0.01em;
            color: var(--color-white);
            text-shadow: 0 2px 12px rgba(0,0,0,0.5);
        }

        .banner-content .banner-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            margin-bottom: 22px;
            max-width: 520px;
            text-shadow: 0 1px 6px rgba(0,0,0,0.4);
        }

        .banner-search {
            display: flex;
            gap: 10px;
            max-width: 440px;
        }

        .banner-search input {
            flex: 1;
            padding: 13px 20px;
            border-radius: var(--radius-full);
            border: 1px solid var(--color-border-light);
            background: rgba(30,26,56,0.75);
            color: var(--color-white);
            font-size: 0.95rem;
            backdrop-filter: blur(8px);
            transition: all var(--transition-fast);
        }

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

        .banner-search input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-glow);
            background: rgba(30,26,56,0.9);
        }

        .banner-search button {
            padding: 13px 24px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 16px var(--color-primary-glow);
        }

        .banner-search button:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 24px var(--color-primary-glow);
            transform: translateY(-1px);
        }

        .banner-search button:active {
            transform: translateY(0);
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-label {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(249,115,22,0.12);
            border: 1px solid rgba(249,115,22,0.25);
            color: var(--color-accent-light);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-header .section-desc {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ============ 子分类卡片网格 ============ */
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .subcat-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            display: block;
            min-height: 240px;
        }

        .subcat-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

        .subcat-card .card-body {
            padding: 18px 20px;
            position: relative;
            z-index: 2;
        }

        .subcat-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 1.1rem;
            margin-bottom: 10px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px var(--color-primary-glow);
        }

        .subcat-card:hover .card-icon {
            background: var(--color-accent);
            box-shadow: 0 6px 20px var(--color-accent-glow);
            transform: scale(1.08);
        }

        .subcat-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-white);
        }

        .subcat-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        .subcat-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .subcat-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(13,11,20,0.7) 100%);
            pointer-events: none;
            z-index: 1;
        }

        /* ============ 攻略列表 ============ */
        .guide-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .guide-card {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
        }

        .guide-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .guide-card .guide-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .guide-card .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .guide-card:hover .guide-thumb img {
            transform: scale(1.08);
        }

        .guide-card .guide-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .guide-card .guide-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .guide-card .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
        }

        .tag-newbie {
            background: rgba(0,217,166,0.15);
            color: var(--color-cyan);
            border: 1px solid rgba(0,217,166,0.3);
        }
        .tag-pvp {
            background: rgba(249,115,22,0.15);
            color: var(--color-accent-light);
            border: 1px solid rgba(249,115,22,0.3);
        }
        .tag-gear {
            background: rgba(139,92,246,0.15);
            color: var(--color-primary-light);
            border: 1px solid rgba(139,92,246,0.3);
        }
        .tag-raid {
            background: rgba(239,68,68,0.15);
            color: #F87171;
            border: 1px solid rgba(239,68,68,0.3);
        }
        .tag-event {
            background: rgba(251,191,36,0.15);
            color: #FBBF24;
            border: 1px solid rgba(251,191,36,0.3);
        }
        .tag-role {
            background: rgba(167,139,250,0.15);
            color: #C4B5FD;
            border: 1px solid rgba(167,139,250,0.3);
        }

        .level-badge {
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: var(--radius-full);
            background: rgba(255,255,255,0.06);
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
        }

        .guide-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin: 6px 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--color-white);
        }

        .guide-card .guide-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }

        .guide-card .guide-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 数据亮点区 ============ */
        .stats-section {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-weight: 600;
        }

        .stat-item .stat-icon {
            font-size: 1.8rem;
            color: var(--color-primary-light);
            margin-bottom: 8px;
        }

        /* ============ 精选攻略大卡 ============ */
        .featured-guide {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .featured-guide:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .featured-guide .featured-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .featured-guide:hover .featured-img {
            transform: scale(1.04);
        }

        .featured-guide .featured-body {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-guide .featured-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(139,92,246,0.18);
            color: var(--color-primary-light);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            width: fit-content;
        }

        .featured-guide h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--color-white);
        }

        .featured-guide p {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px var(--color-primary-glow);
            width: fit-content;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 8px 28px var(--color-primary-glow);
            transform: translateY(-2px);
            color: var(--color-white);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            background: transparent;
            color: var(--color-white);
            font-weight: 700;
            font-size: 0.95rem;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-fast);
            width: fit-content;
            text-decoration: none;
        }

        .btn-outline:hover {
            border-color: var(--color-primary-light);
            background: rgba(139,92,246,0.08);
            color: var(--color-white);
            box-shadow: 0 4px 16px rgba(139,92,246,0.15);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-light);
        }

        .faq-item details {
            cursor: pointer;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-white);
            list-style: none;
            transition: color var(--transition-fast);
            user-select: none;
        }

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

        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item details[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-primary-light);
        }

        .faq-item details[open] summary {
            color: var(--color-primary-light);
        }

        .faq-item details[open] {
            border-color: var(--color-primary);
            box-shadow: 0 0 20px rgba(139,92,246,0.1);
        }

        .faq-answer {
            padding: 0 24px 20px 24px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
        }

        /* ============ CTA ============ */
        .cta-section {
            text-align: center;
            padding: 70px 30px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(139,92,246,0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            font-size: 1.05rem;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ============ Footer ============ */
        footer {
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
            margin-top: 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--color-white);
        }

        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text-secondary);
            letter-spacing: 0.03em;
        }

        .footer-links ul li {
            margin-bottom: 9px;
        }

        .footer-links ul li a,
        .footer-links ul li span {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .footer-links ul li a:hover {
            color: var(--color-primary-light);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 22px;
            border-top: 1px solid var(--color-border);
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ============ 移动端菜单面板 ============ */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.7);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.show {
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%) translateY(-16px);
            width: calc(100% - 40px);
            max-width: 500px;
            background: rgba(22,19,42,0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-smooth);
        }

        .mobile-menu-panel.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mobile-menu-panel a {
            display: block;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel a:hover {
            background: rgba(255,255,255,0.05);
            color: var(--color-white);
        }

        .mobile-menu-panel a.active {
            background: var(--color-primary);
            color: var(--color-white);
            box-shadow: 0 4px 14px var(--color-primary-glow);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-list {
                grid-template-columns: 1fr;
            }
            .featured-guide {
                grid-template-columns: 1fr;
            }
            .featured-guide .featured-img {
                min-height: 240px;
                max-height: 300px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .banner-content h1 {
                font-size: 2.2rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            #siteHeader {
                top: 10px;
                width: calc(100% - 24px);
            }
            .nav-capsule {
                padding: 10px 16px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu-overlay,
            .mobile-menu-panel {
                display: block;
            }
            .category-banner {
                min-height: 280px;
                border-radius: var(--radius-md);
                margin-top: 12px;
            }
            .banner-content {
                padding: 32px 22px;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-content .banner-subtitle {
                font-size: 0.95rem;
            }
            .banner-search {
                flex-direction: column;
                max-width: 100%;
            }
            .banner-search button {
                width: 100%;
            }
            .section {
                padding: 44px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .subcat-card {
                min-height: 200px;
            }
            .subcat-card .card-img {
                height: 120px;
            }
            .guide-card {
                flex-direction: column;
                gap: 14px;
            }
            .guide-card .guide-thumb {
                width: 100%;
                height: 160px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .featured-guide .featured-body {
                padding: 24px 20px;
            }
            .featured-guide h3 {
                font-size: 1.3rem;
            }
            .cta-section {
                padding: 44px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb-wrapper {
                padding-top: 95px;
            }
            .stats-section {
                padding: 32px 20px;
            }
        }

        @media (max-width: 520px) {
            .subcat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .subcat-card {
                min-height: 170px;
            }
            .subcat-card .card-img {
                height: 100px;
            }
            .subcat-card .card-body {
                padding: 12px 14px;
            }
            .subcat-card h3 {
                font-size: 0.9rem;
            }
            .subcat-card .card-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo i {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 16px 18px;
                font-size: 0.85rem;
            }
        }