/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --p-primary: #0f1923;
            --p-primary-light: #1a2d3d;
            --p-secondary: #f5a623;
            --p-secondary-light: #ffd369;
            --p-secondary-dark: #d4891a;
            --p-accent: #e8b840;
            --p-bg: #f4f6f8;
            --p-bg-alt: #ffffff;
            --p-bg-dark: #0b1219;
            --p-bg-card: #ffffff;
            --p-text: #1a1a2e;
            --p-text-light: #6c757d;
            --p-text-white: #ffffff;
            --p-border: #e2e8f0;
            --p-border-light: #f0f2f5;
            --p-radius-sm: 8px;
            --p-radius: 12px;
            --p-radius-lg: 20px;
            --p-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --p-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --p-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --p-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.16);
            --p-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --p-font: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --p-max-width: 1200px;
            --p-header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--p-font);
            font-size: 16px;
            line-height: 1.6;
            color: var(--p-text);
            background: var(--p-bg);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--p-transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--p-transition);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--p-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--p-header-height);
            background: rgba(15, 25, 35, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--p-transition);
        }
        .header.scrolled {
            background: rgba(15, 25, 35, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--p-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--p-text-white);
            letter-spacing: 1px;
        }
        .header-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            border-radius: var(--p-radius-sm);
            font-size: 18px;
            color: var(--p-primary);
        }
        .header-logo span {
            background: linear-gradient(135deg, #ffffff, var(--p-secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav a {
            padding: 8px 20px;
            border-radius: var(--p-radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 15px;
            transition: var(--p-transition);
            position: relative;
        }
        .header-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .header-nav a.active {
            color: #ffffff;
            background: rgba(245, 166, 35, 0.18);
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--p-secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.10);
            border-radius: var(--p-radius-sm);
            padding: 0 14px;
            height: 38px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--p-transition);
        }
        .header-search:focus-within {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--p-secondary);
        }
        .header-search input {
            background: transparent;
            border: none;
            color: #ffffff;
            padding: 0 8px;
            width: 140px;
            font-size: 14px;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-search button {
            background: transparent;
            color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            font-size: 15px;
            padding: 0 4px;
        }
        .header-search button:hover {
            color: var(--p-secondary);
        }
        .header-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            border-radius: var(--p-radius-sm);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--p-transition);
            border: none;
        }
        .header-btn-primary {
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            color: var(--p-primary);
        }
        .header-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }
        .header-btn-outline {
            background: transparent;
            color: var(--p-text-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .header-btn-outline:hover {
            border-color: var(--p-secondary);
            color: var(--p-secondary);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
        }
        @media (max-width: 1024px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--p-header-height);
                left: 0;
                right: 0;
                background: rgba(15, 25, 35, 0.98);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                width: 100%;
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-nav a.active {
                background: rgba(245, 166, 35, 0.15);
                border-left: 3px solid var(--p-secondary);
            }
            .header-search input {
                width: 100px;
            }
            .header-btn-outline {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .header-logo {
                font-size: 18px;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .header-search {
                display: none;
            }
            .header-btn-primary {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--p-header-height) + 40px) 24px 80px;
            background: var(--p-bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1.15);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 25, 35, 0.92) 0%, rgba(11, 18, 25, 0.70) 50%, rgba(15, 25, 35, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(245, 166, 35, 0.15);
            border: 1px solid rgba(245, 166, 35, 0.25);
            border-radius: 50px;
            color: var(--p-secondary-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero-title {
            font-size: clamp(2.4rem, 7vw, 4.2rem);
            font-weight: 900;
            color: var(--p-text-white);
            line-height: 1.12;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent), var(--p-secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: rgba(255, 255, 255, 0.7);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--p-radius-sm);
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: var(--p-transition);
            border: none;
        }
        .hero-btn-primary {
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            color: var(--p-primary);
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.3);
        }
        .hero-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 166, 35, 0.45);
        }
        .hero-btn-outline {
            background: transparent;
            color: var(--p-text-white);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        .hero-btn-outline:hover {
            border-color: var(--p-secondary);
            color: var(--p-secondary);
            background: rgba(245, 166, 35, 0.08);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 28px;
            font-weight: 900;
            color: var(--p-text-white);
            line-height: 1.2;
        }
        .hero-stat-number .num {
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 90vh;
                padding: calc(var(--p-header-height) + 24px) 16px 60px;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--p-bg-alt);
        }
        .section-dark {
            background: var(--p-bg-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            background: rgba(245, 166, 35, 0.10);
            border-radius: 50px;
            color: var(--p-secondary-dark);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-tag i {
            font-size: 12px;
        }
        .section-title {
            font-size: clamp(1.6rem, 4vw, 2.5rem);
            font-weight: 800;
            color: var(--p-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title-light {
            color: var(--p-text-white);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--p-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-desc-light {
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--p-bg-card);
            border-radius: var(--p-radius);
            padding: 36px 28px;
            box-shadow: var(--p-shadow);
            border: 1px solid var(--p-border-light);
            transition: var(--p-transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--p-secondary), var(--p-accent));
            opacity: 0;
            transition: var(--p-transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--p-shadow-hover);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(245, 166, 35, 0.12), rgba(232, 184, 64, 0.08));
            border-radius: var(--p-radius-sm);
            font-size: 24px;
            color: var(--p-secondary);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--p-text);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--p-text-light);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-card {
                padding: 28px 20px;
            }
        }

        /* ===== 分类入口 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--p-radius);
            overflow: hidden;
            background: var(--p-bg-card);
            box-shadow: var(--p-shadow);
            border: 1px solid var(--p-border-light);
            transition: var(--p-transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--p-shadow-hover);
        }
        .category-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--p-transition);
        }
        .category-card:hover img {
            transform: scale(1.05);
        }
        .category-card-body {
            padding: 20px 22px 24px;
        }
        .category-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--p-text);
        }
        .category-card-body p {
            font-size: 13px;
            color: var(--p-text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            background: rgba(245, 166, 35, 0.10);
            border-radius: 50px;
            color: var(--p-secondary-dark);
            font-size: 12px;
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .categories-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .category-card img {
                height: 160px;
            }
        }

        /* ===== 资讯列表 (CMS) ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--p-bg-card);
            border-radius: var(--p-radius);
            padding: 20px 24px;
            box-shadow: var(--p-shadow-sm);
            border: 1px solid var(--p-border-light);
            transition: var(--p-transition);
        }
        .news-item:hover {
            box-shadow: var(--p-shadow);
            transform: translateX(4px);
            border-color: rgba(245, 166, 35, 0.15);
        }
        .news-item-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(245, 166, 35, 0.10);
            border-radius: var(--p-radius-sm);
            color: var(--p-secondary);
            font-size: 18px;
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-content h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--p-text);
            line-height: 1.4;
        }
        .news-item-content h4 a {
            color: inherit;
        }
        .news-item-content h4 a:hover {
            color: var(--p-secondary-dark);
        }
        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--p-text-light);
        }
        .news-item-meta .cat {
            padding: 2px 10px;
            background: rgba(245, 166, 35, 0.08);
            border-radius: 50px;
            color: var(--p-secondary-dark);
            font-weight: 600;
        }
        .news-item-summary {
            font-size: 13px;
            color: var(--p-text-light);
            margin-top: 6px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-news {
            text-align: center;
            padding: 48px 24px;
            color: var(--p-text-light);
            font-size: 15px;
            background: var(--p-bg-card);
            border-radius: var(--p-radius);
            border: 1px dashed var(--p-border);
        }
        .empty-news i {
            font-size: 36px;
            color: var(--p-border);
            margin-bottom: 12px;
            display: block;
        }
        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }
            .news-item-icon {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
        }

        /* ===== 数据/流程 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--p-radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--p-transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 36px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 24px 12px;
            }
            .stat-card .num {
                font-size: 28px;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 8%;
            right: 8%;
            height: 3px;
            background: linear-gradient(90deg, var(--p-secondary), var(--p-accent), var(--p-secondary));
            opacity: 0.2;
            border-radius: 2px;
        }
        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-number {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            border-radius: 50%;
            font-size: 20px;
            font-weight: 800;
            color: var(--p-primary);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.25);
        }
        .step-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--p-text);
        }
        .step-card p {
            font-size: 13px;
            color: var(--p-text-light);
            line-height: 1.6;
            max-width: 200px;
            margin: 0 auto;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 24px;
            }
            .steps-grid::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--p-bg-card);
            border-radius: var(--p-radius-sm);
            border: 1px solid var(--p-border);
            overflow: hidden;
            transition: var(--p-transition);
        }
        .faq-item:hover {
            border-color: rgba(245, 166, 35, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 15px;
            color: var(--p-text);
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            font-size: 14px;
            color: var(--p-text-light);
            transition: var(--p-transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--p-secondary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--p-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 13px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--p-primary), var(--p-primary-light));
            border-radius: var(--p-radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.06;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 800;
            color: var(--p-text-white);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 44px;
            border-radius: var(--p-radius-sm);
            font-weight: 700;
            font-size: 16px;
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            color: var(--p-primary);
            border: none;
            cursor: pointer;
            transition: var(--p-transition);
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 166, 35, 0.35);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--p-radius);
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--p-primary);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--p-text-white);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .logo-text .icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            border-radius: 6px;
            font-size: 14px;
            color: var(--p-primary);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--p-text-white);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            padding: 4px 0;
            transition: var(--p-transition);
        }
        .footer-col a:hover {
            color: var(--p-secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom a:hover {
            color: var(--p-secondary);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 回到顶部 ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 999;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--p-secondary), var(--p-accent));
            color: var(--p-primary);
            border-radius: 50%;
            font-size: 18px;
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.3);
            cursor: pointer;
            transition: var(--p-transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            border: none;
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(245, 166, 35, 0.45);
        }
        @media (max-width: 520px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
                font-size: 14px;
            }
        }

        /* ===== 通用辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: article */
:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --primary-light: #a29bfe;
    --secondary: #fd79a8;
    --accent: #fdcb6e;
    --bg: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-elevated: #232340;
    --bg-nav: rgba(15, 15, 26, 0.92);
    --text: #e8e8f0;
    --text-soft: #b8b8d0;
    --text-muted: #7a7a9a;
    --border: #2a2a4a;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xl: 24px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-w: 1200px;
    --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: var(--header-h);
}

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
ul, ol { list-style: none; }

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Nav ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    height: var(--header-h);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.logo-text .icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.4);
}

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

.header-nav a {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-soft);
    transition: var(--transition);
    position: relative;
}

.header-nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.header-nav a.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(108,92,231,0.25), rgba(253,121,168,0.15));
    box-shadow: inset 0 0 0 1px rgba(108,92,231,0.3);
}

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

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0 14px;
    height: 40px;
    transition: var(--transition);
    width: 200px;
}

.search-box:focus-within {
    border-color: var(--primary);
    background: rgba(108,92,231,0.08);
    box-shadow: 0 0 0 3px rgba(108,92,231,0.15);
}

.search-box i { color: var(--text-muted); font-size: 0.9rem; margin-right: 10px; }
.search-box input {
    background: transparent;
    color: var(--text);
    width: 100%;
    height: 100%;
    font-size: 0.88rem;
}
.search-box input::placeholder { color: var(--text-muted); }

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108,92,231,0.4);
    color: #fff;
}

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

.mobile-toggle {
    display: none;
    background: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

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

/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    padding: 60px 0 40px;
    background: linear-gradient(160deg, #0f0f1a 0%, #1a0a2e 50%, #0f0f1a 100%);
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    opacity: 0.08;
    z-index: 0;
}

.article-hero .container { position: relative; z-index: 1; }

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.article-breadcrumb a { color: var(--text-muted); }
.article-breadcrumb a:hover { color: var(--primary-light); }
.article-breadcrumb .sep { color: var(--text-muted); opacity: 0.4; }
.article-breadcrumb .current { color: var(--text-soft); }

.article-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: linear-gradient(135deg, rgba(108,92,231,0.2), rgba(253,121,168,0.1));
    border: 1px solid rgba(108,92,231,0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.article-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.25;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.88rem;
}

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

.article-meta i { font-size: 0.8rem; }

/* ===== Article Main ===== */
.article-main {
    padding: 48px 0 80px;
}

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

.article-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    overflow: hidden;
}

.article-content .featured-image {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.article-content .content-body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-soft);
}

.article-content .content-body p {
    margin-bottom: 1.4em;
}

.article-content .content-body h2,
.article-content .content-body h3 {
    color: #fff;
    margin-top: 1.8em;
    margin-bottom: 0.8em;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.article-content .content-body h2 { font-size: 1.6rem; }
.article-content .content-body h3 { font-size: 1.25rem; }

.article-content .content-body ul,
.article-content .content-body ol {
    margin-bottom: 1.4em;
    padding-left: 1.6em;
}

.article-content .content-body ul li,
.article-content .content-body ol li {
    margin-bottom: 0.4em;
    list-style: disc;
}

.article-content .content-body ol li { list-style: decimal; }

.article-content .content-body a {
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-content .content-body a:hover { color: #fff; }

.article-content .content-body blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 24px;
    margin: 1.6em 0;
    background: rgba(108,92,231,0.06);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-soft);
    font-style: italic;
}

.article-content .content-body img {
    border-radius: var(--radius-sm);
    margin: 1.6em 0;
    box-shadow: var(--shadow-sm);
}

.article-content .content-body code {
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent);
}

.article-content .content-body pre {
    background: var(--bg-elevated);
    padding: 20px 24px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 1.4em 0;
    border: 1px solid var(--border);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-tags .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-soft);
    transition: var(--transition);
}

.article-tags .tag:hover {
    background: rgba(108,92,231,0.15);
    border-color: var(--primary);
    color: #fff;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.article-share span { font-size: 0.88rem; color: var(--text-muted); }

.article-share a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-soft);
    font-size: 0.9rem;
    transition: var(--transition);
}

.article-share a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== Sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.sidebar-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-card h3 i { color: var(--primary-light); font-size: 0.95rem; }

.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sidebar-list-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.sidebar-list-item .thumb {
    width: 72px;
    height: 54px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-elevated);
}

.sidebar-list-item .info { flex: 1; min-width: 0; }

.sidebar-list-item .info .title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    transition: var(--transition);
}

.sidebar-list-item .info .title:hover { color: var(--primary-light); }

.sidebar-list-item .info .date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.sidebar-cta {
    background: linear-gradient(135deg, rgba(108,92,231,0.12), rgba(253,121,168,0.08));
    border: 1px solid rgba(108,92,231,0.25);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
}

.sidebar-cta h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.sidebar-cta p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.sidebar-cta .btn-cta { width: 100%; justify-content: center; }

/* ===== Related Section ===== */
.related-section {
    padding: 60px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.related-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

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

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(108,92,231,0.3);
}

.related-card .img-wrap {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.related-card .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.related-card:hover .img-wrap img { transform: scale(1.05); }

.related-card .body {
    padding: 18px 20px 20px;
}

.related-card .body .cat {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.related-card .body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card .body p {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.related-card .body .meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.related-card .body .meta i { margin-right: 4px; }

/* ===== Not Found ===== */
.not-found-box {
    text-align: center;
    padding: 100px 20px;
}

.not-found-box .icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.not-found-box h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.not-found-box p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.not-found-box .btn-cta { display: inline-flex; }

/* ===== Footer ===== */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo-text { font-size: 1.2rem; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; max-width: 320px; }

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.3px;
}

.footer-col a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 5px 0;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }

    .header-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--bg-nav);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px 24px;
        gap: 6px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }

    .header-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .header-nav a { width: 100%; padding: 12px 16px; font-size: 1rem; }

    .mobile-toggle { display: block; }

    .search-box { width: 140px; }
    .search-box input { width: 100%; }

    .article-hero { padding: 40px 0 28px; }
    .article-hero h1 { font-size: 1.8rem; }
    .article-content { padding: 24px; }
    .article-content .content-body { font-size: 0.98rem; }

    .article-sidebar { grid-template-columns: 1fr; }

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

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

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

    .article-hero h1 { font-size: 1.4rem; }
    .article-meta { gap: 12px; font-size: 0.8rem; }
    .article-content { padding: 16px; border-radius: var(--radius-sm); }
    .article-content .content-body { font-size: 0.92rem; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    .search-box { width: 100px; }
    .search-box input { font-size: 0.8rem; }
    .btn-cta { padding: 8px 16px; font-size: 0.82rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3bf1;
            --primary-light: #8b5cf6;
            --primary-dark: #4f28b0;
            --primary-gradient: linear-gradient(135deg, #6c3bf1 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg-body: #0b0b1a;
            --bg-card: #13132b;
            --bg-card-hover: #1a1a3e;
            --bg-section: #0f0f24;
            --bg-elevated: #1c1c3d;
            --text-primary: #f1f1f9;
            --text-secondary: #a5a5c8;
            --text-muted: #6b6b8e;
            --border-color: #2a2a52;
            --border-light: #3a3a6a;
            --shadow-sm: 0 2px 8px rgba(108, 59, 241, 0.08);
            --shadow-md: 0 8px 32px rgba(108, 59, 241, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 59, 241, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(11, 11, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo-text .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(108, 59, 241, 0.35);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--text-primary);
            background: rgba(108, 59, 241, 0.12);
        }
        .header-nav a.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 59, 241, 0.35);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(108, 59, 241, 0.15);
        }
        .search-box input {
            background: transparent;
            border: none;
            padding: 8px 6px;
            color: var(--text-primary);
            width: 160px;
            font-size: 0.9rem;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            background: transparent;
            color: var(--text-muted);
            padding: 6px;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            color: var(--primary-light);
        }
        .btn-ghost {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .btn-ghost:hover {
            color: var(--text-primary);
            border-color: var(--primary-light);
            background: rgba(108, 59, 241, 0.08);
        }
        .btn-primary {
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 59, 241, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 59, 241, 0.45);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .hamburger {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.6rem;
            padding: 4px 8px;
            border: none;
        }

        /* ===== 移动端菜单 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 26, 0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            padding: 32px 24px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease;
            pointer-events: none;
        }
        .mobile-menu.open {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            background: var(--bg-card-hover);
            color: var(--text-primary);
        }
        .mobile-menu a.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
        }
        .mobile-menu .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .mobile-menu .mobile-actions .btn-primary,
        .mobile-menu .mobile-actions .btn-ghost {
            text-align: center;
            justify-content: center;
            padding: 14px;
            font-size: 1rem;
        }

        /* ===== Hero 横幅 ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0b0b1a 0%, #1a0a3a 50%, #0b0b1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(108, 59, 241, 0.15) 0%, transparent 70%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(108, 59, 241, 0.2);
            border: 1px solid rgba(108, 59, 241, 0.3);
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #f1f1f9 0%, #a855f7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 28px;
        }
        .page-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .page-hero .hero-stats .stat-item {
            text-align: center;
        }
        .page-hero .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            display: block;
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 560px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .section-title .title-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(108, 59, 241, 0.12);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ===== 分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card:hover {
            border-color: var(--primary-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .category-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(108, 59, 241, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .category-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .category-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .category-card .card-tags span {
            padding: 2px 10px;
            border-radius: 50px;
            background: rgba(108, 59, 241, 0.08);
            border: 1px solid var(--border-color);
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        /* ===== 热门攻略列表 ===== */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .guide-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .guide-item:hover {
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            background: var(--bg-card-hover);
        }
        .guide-item .guide-thumb {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            background: var(--bg-elevated);
            flex-shrink: 0;
            overflow: hidden;
        }
        .guide-item .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-item .guide-info {
            flex: 1;
        }
        .guide-item .guide-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .guide-item .guide-info .guide-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .guide-item .guide-info .guide-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .guide-item .guide-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
            margin-left: 8px;
        }
        .guide-badge.hot {
            background: rgba(236, 72, 153, 0.15);
            color: var(--accent);
        }
        .guide-badge.new {
            background: rgba(108, 59, 241, 0.15);
            color: var(--primary-light);
        }

        /* ===== 攻略流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: var(--primary-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 16px;
            box-shadow: 0 4px 16px rgba(108, 59, 241, 0.3);
        }
        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 数据 / 统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
            gap: 12px;
        }
        .faq-question .faq-toggle {
            font-size: 1.2rem;
            color: var(--primary-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            display: none;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-gradient);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 2.2rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
            color: var(--primary-dark);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-actions .btn-ghost,
            .header-actions .btn-primary {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mobile-menu {
                display: flex;
            }
            .page-hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .page-hero .hero-stats {
                gap: 24px;
            }
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guide-list {
                grid-template-columns: 1fr;
            }
            .guide-item {
                flex-direction: column;
            }
            .guide-item .guide-thumb {
                width: 100%;
                min-height: 140px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-stats .stat-number {
                font-size: 1.5rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .btn-primary {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-text .icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .search-box input {
                width: 100px;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .mt-4 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .text-center {
            text-align: center;
        }
        .w-full {
            width: 100%;
        }