/* roulang page: index */
:root {
            --color-primary: #FF4D2E;
            --color-primary-hover: #E63E1F;
            --color-primary-ring: rgba(255, 77, 46, 0.15);
            --color-dark-bg: #1A1D23;
            --color-dark-secondary: #23272F;
            --color-dark-card: #2A2F38;
            --color-light-bg: #F5F6F8;
            --color-card-white: #FFFFFF;
            --color-text-primary: #111318;
            --color-text-body: #2E333C;
            --color-text-muted: #6B7280;
            --color-text-light: #F3F4F6;
            --color-text-light-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-dark: #3A3F48;
            --color-accent-green: #2BD9A2;
            --color-accent-yellow: #FFC94D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 14px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
        }

        *,
        *::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(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: #fff;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            -webkit-tap-highlight-color: transparent;
        }

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

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(26, 29, 35, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.35);
        }

        .logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo .logo-text .logo-cn {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .logo .logo-text .logo-en {
            font-size: 10px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .header-search {
            flex: 0 1 36%;
            min-width: 220px;
            max-width: 420px;
            position: relative;
            margin-left: auto;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--color-text-muted);
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            padding: 10px 16px 10px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
        }

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

        .header-search input:focus {
            outline: none;
            border-color: var(--color-primary);
            background-color: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px var(--color-primary-ring);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .header-nav a {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .header-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .header-nav a.active {
            color: #fff;
            background-color: rgba(255, 77, 46, 0.18);
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 1px;
            background-color: var(--color-primary);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            cursor: pointer;
            transition: background-color var(--transition-fast);
        }

        .mobile-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            border-radius: 1px;
            background-color: #fff;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-search-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background-color var(--transition-fast);
        }

        .mobile-search-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            background-color: rgba(26, 29, 35, 0.98);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover {
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .mobile-menu a.active {
            color: #fff;
            background-color: rgba(255, 77, 46, 0.18);
        }

        .mobile-menu .mobile-search {
            margin-bottom: 8px;
            position: relative;
        }

        .mobile-menu .mobile-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--color-text-muted);
            pointer-events: none;
        }

        .mobile-menu .mobile-search input {
            width: 100%;
            padding: 11px 16px 11px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
        }

        .mobile-menu .mobile-search input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-ring);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background-color: var(--color-dark-bg);
            overflow: hidden;
            min-height: 75vh;
            display: flex;
            align-items: center;
            padding: 72px 0 60px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.3;
            pointer-events: none;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(26, 29, 35, 0.92) 0%, rgba(26, 29, 35, 0.8) 50%, rgba(26, 29, 35, 0.94) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 3;
        }

        .hero-stack {
            display: grid;
            grid-template-columns: 1fr 1.35fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .hero-main-card {
            background: rgba(255, 255, 255, 0.98);
            border-radius: var(--radius-xl);
            padding: 44px 38px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            position: relative;
            z-index: 2;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .hero-main-card .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(255, 77, 46, 0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 77, 46, 0.25);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .hero-main-card .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent-green);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .hero-main-card h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.45;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }

        .hero-main-card .hero-desc {
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.85;
            margin-bottom: 26px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-bottom: 22px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 77, 46, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(255, 77, 46, 0.25);
        }

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

        .btn-ghost:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .btn-light {
            background-color: #fff;
            color: var(--color-text-primary);
            border-color: var(--color-border);
        }

        .btn-light:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .btn-light-outline {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }

        .btn-light-outline:hover {
            border-color: #fff;
            color: #fff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-top: 18px;
            border-top: 1px solid var(--color-border);
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .hero-stat-item .stat-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--color-accent-green);
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }

        .hero-side-card {
            background: rgba(255, 255, 255, 0.97);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
            position: relative;
            z-index: 1;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .hero-side-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }

        .hero-side-card.left {
            margin-top: 60px;
        }

        .hero-side-card.right {
            margin-top: 30px;
        }

        .hero-side-card .side-card-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background-color: rgba(255, 77, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            margin-bottom: 14px;
        }

        .hero-side-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .hero-side-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .hero-side-card .side-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 10px;
            transition: gap var(--transition-fast);
        }

        .hero-side-card .side-card-link:hover {
            gap: 8px;
        }

        .hero-scroll-hint {
            position: absolute;
            bottom: 18px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            color: rgba(255, 255, 255, 0.5);
            font-size: 20px;
            animation: bounce-down 2s infinite;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .hero-scroll-hint:hover {
            color: rgba(255, 255, 255, 0.8);
        }

        @keyframes bounce-down {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }

        /* ========== 通用 Section ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: 48px 0;
        }

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

        .section-bg-white {
            background-color: #fff;
        }

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

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

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background-color: rgba(255, 77, 46, 0.08);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 77, 46, 0.2);
        }

        .section-header .section-tag.light {
            color: #FF7A45;
            background-color: rgba(255, 77, 46, 0.12);
            border-color: rgba(255, 77, 46, 0.25);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.5;
            letter-spacing: 0.01em;
            margin-bottom: 10px;
        }

        .section-header.dark h2 {
            color: #fff;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.85;
            max-width: 680px;
        }

        .section-header.dark .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 卡片 ========== */
        .card {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d1d5db;
        }

        .card-dark {
            background-color: var(--color-dark-card);
            border-color: var(--color-border-dark);
        }

        .card-dark:hover {
            border-color: rgba(255, 77, 46, 0.4);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        /* ========== 痛点板块 ========== */
        .pain-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .pain-card {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            border-left: 3px solid var(--color-primary);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .pain-card .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: rgba(255, 77, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            margin-bottom: 14px;
        }

        .pain-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ========== 能力概览 ========== */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .capability-card {
            text-align: center;
            padding: 30px 20px;
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .capability-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .capability-card .cap-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 12px;
            background: rgba(255, 77, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
        }

        .capability-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }

        .capability-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 场景板块 ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scene-card {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scene-card .scene-img {
            height: 180px;
            overflow: hidden;
            background-color: #f0f0f0;
        }

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

        .scene-card:hover .scene-img img {
            transform: scale(1.04);
        }

        .scene-card .scene-body {
            padding: 20px 22px;
        }

        .scene-card .scene-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }

        .scene-card .scene-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .scene-card .scene-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            background-color: rgba(255, 77, 46, 0.06);
            color: var(--color-primary);
            border: 1px solid rgba(255, 77, 46, 0.2);
            margin-bottom: 10px;
        }

        /* ========== 方案矩阵 ========== */
        .solution-matrix {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .solution-matrix-card {
            background-color: var(--color-dark-card);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }

        .solution-matrix-card:hover {
            border-color: rgba(255, 77, 46, 0.4);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            transform: translateY(-2px);
        }

        .solution-matrix-card .matrix-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background-color: rgba(255, 77, 46, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FF7A45;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .solution-matrix-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .solution-matrix-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
        }

        .solution-matrix-card .matrix-data {
            display: inline-block;
            margin-top: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-accent-green);
            letter-spacing: 0.02em;
        }

        /* ========== 流程步骤 ========== */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }

        .steps-horizontal::before {
            content: '';
            position: absolute;
            top: 38px;
            left: 12%;
            right: 12%;
            height: 2px;
            background-color: var(--color-border);
            z-index: 0;
        }

        .step-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 16px;
        }

        .step-item .step-number {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255, 77, 46, 0.3);
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 数据指标 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 30px 24px;
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .metric-card .metric-number {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        .metric-card .metric-number.green {
            color: var(--color-accent-green);
        }

        .metric-card .metric-number.orange {
            color: var(--color-primary);
        }

        .metric-card .metric-number.yellow {
            color: var(--color-accent-yellow);
        }

        .metric-card .metric-number.dark {
            color: var(--color-text-primary);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ========== 用户反馈 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 26px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .testimonial-card .quote-icon {
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 12px;
            opacity: 0.6;
        }

        .testimonial-card .testimonial-text {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .testimonial-card .testimonial-author {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-primary);
        }

        .testimonial-card .testimonial-role {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== 新闻列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--color-border);
        }

        .news-item {
            display: grid;
            grid-template-columns: 140px 1fr auto;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: start;
            transition: background-color var(--transition-fast);
        }

        .news-item:hover {
            background-color: rgba(255, 77, 46, 0.02);
        }

        .news-item .news-date {
            font-size: 14px;
            color: var(--color-text-muted);
            font-weight: 500;
            padding-top: 2px;
            font-variant-numeric: tabular-nums;
        }

        .news-item .news-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-item .news-content p {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.75;
            max-width: 580px;
        }

        .news-item .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding-top: 4px;
            transition: gap var(--transition-fast);
        }

        .news-item .news-more:hover {
            gap: 8px;
        }

        /* ========== 适用人群 ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .audience-card {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .audience-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .audience-card .aud-icon {
            width: 46px;
            height: 46px;
            margin: 0 auto 12px;
            border-radius: 12px;
            background-color: rgba(255, 77, 46, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
        }

        .audience-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }

        .audience-card p {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 品牌介绍 ========== */
        .brand-split {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }

        .brand-split .brand-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-md);
        }

        .brand-split .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-split .brand-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .brand-split .brand-content p {
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.9;
        }

        /* ========== 横向统计条带 ========== */
        .stats-bar {
            background-color: var(--color-light-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            position: relative;
        }

        .stats-bar .stat-divider {
            position: relative;
        }

        .stats-bar .stat-divider::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 40px;
            background-color: var(--color-border);
        }

        .stats-bar .stat-divider:last-child::after {
            display: none;
        }

        .stats-bar .stat-cell {
            text-align: center;
            padding: 0 12px;
        }

        .stats-bar .stat-cell .stat-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-primary);
            letter-spacing: 0.01em;
            font-variant-numeric: tabular-nums;
        }

        .stats-bar .stat-cell .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background-color: var(--color-card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #d1d5db;
        }

        .faq-item.open {
            border-color: rgba(255, 77, 46, 0.35);
            box-shadow: 0 4px 14px rgba(255, 77, 46, 0.08);
        }

        .faq-item .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .faq-item .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 13px;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
            background-color: var(--color-light-bg);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--color-primary);
        }

        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== 底部CTA ========== */
        .cta-section {
            background-color: var(--color-dark-bg);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .cta-section .cta-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.18) 0%, transparent 70%);
            top: -200px;
            right: -150px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .cta-inner .cta-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: #0F1115;
            color: rgba(255, 255, 255, 0.6);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .logo-mark-small {
            width: 28px;
            height: 28px;
            border-radius: 7px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            padding: 6px 0;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom .footer-links span {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
            }

            .hero-stack {
                grid-template-columns: 1fr 1.5fr;
                gap: 20px;
            }

            .hero-side-card.left {
                margin-top: 0;
                grid-column: 1;
                grid-row: 2;
            }

            .hero-side-card.right {
                margin-top: 0;
                grid-column: 2;
                grid-row: 2;
            }

            .hero-main-card {
                grid-column: 1 / -1;
                grid-row: 1;
            }

            .pain-cards-grid,
            .capability-grid,
            .scene-grid,
            .solution-matrix,
            .testimonial-grid,
            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px 0;
            }

            .stats-bar .stat-divider::after {
                display: none;
            }

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

            .header-search {
                flex: 0 1 28%;
                min-width: 160px;
            }

            .header-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --section-gap-mobile: 36px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-search {
                display: none;
            }

            .mobile-search-toggle {
                display: inline-flex;
            }

            .header-nav {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .hero {
                min-height: auto;
                padding: 48px 0 40px;
            }

            .hero-stack {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .hero-main-card {
                padding: 28px 22px;
            }

            .hero-main-card h1 {
                font-size: 24px;
            }

            .hero-side-card.left,
            .hero-side-card.right {
                grid-column: 1;
                grid-row: auto;
                margin-top: 0;
            }

            .pain-cards-grid,
            .capability-grid,
            .scene-grid,
            .solution-matrix,
            .testimonial-grid,
            .audience-grid,
            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .steps-horizontal {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .steps-horizontal::before {
                display: none;
            }

            .step-item {
                display: flex;
                align-items: flex-start;
                gap: 16px;
                text-align: left;
            }

            .step-item .step-number {
                margin: 0;
                width: 48px;
                height: 48px;
                font-size: 20px;
                flex-shrink: 0;
            }

            .step-item .step-content {
                flex: 1;
            }

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

            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .news-item .news-date {
                font-size: 13px;
            }

            .news-item .news-more {
                padding-top: 4px;
            }

            .stats-bar {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-section {
                padding: 48px 0;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .section-header h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .hero-main-card h1 {
                font-size: 20px;
            }

            .hero-main-card .hero-desc {
                font-size: 14px;
            }

            .hero-stats-row {
                gap: 10px;
            }

            .hero-stat-item {
                font-size: 12px;
            }

            .capability-card,
            .pain-card,
            .scene-card,
            .audience-card {
                padding: 20px 16px;
            }

            .card {
                padding: 22px 18px;
            }

            .metric-card .metric-number {
                font-size: 28px;
            }

            .cta-inner h2 {
                font-size: 20px;
            }

            .step-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #FF4D2E;
            --color-primary-hover: #E63E1F;
            --color-primary-ring: rgba(255, 77, 46, 0.15);
            --color-dark-bg: #1A1D23;
            --color-dark-secondary: #23272F;
            --color-dark-card: #2A2F38;
            --color-light-bg: #F5F6F8;
            --color-card-white: #FFFFFF;
            --color-text-primary: #111318;
            --color-text-body: #2E333C;
            --color-text-muted: #6B7280;
            --color-text-light: #F3F4F6;
            --color-text-light-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-dark: #3A3F48;
            --color-accent-green: #2BD9A2;
            --color-accent-yellow: #FFC94D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 14px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 56px;
            --section-gap-mobile: 40px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: #fff;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            -webkit-tap-highlight-color: transparent;
        }

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

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(26, 29, 35, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.35);
        }

        .logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo .logo-text .logo-cn {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .logo .logo-text .logo-en {
            font-size: 10px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .header-search {
            flex: 0 1 36%;
            min-width: 200px;
            max-width: 360px;
            position: relative;
            margin-left: auto;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--color-text-light-muted);
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            padding: 10px 16px 10px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
        }

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

        .header-search input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(255, 77, 46, 0.18);
            background-color: rgba(255, 255, 255, 0.08);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-light-muted);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .header-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .header-nav a.active {
            color: #fff;
            background-color: rgba(255, 77, 46, 0.18);
            box-shadow: inset 0 0 0 1px rgba(255, 77, 46, 0.35);
        }

        .header-nav a.active .fa-solid {
            color: var(--color-primary);
        }

        .header-nav a .fa-solid {
            font-size: 13px;
            margin-right: 5px;
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .header-nav a:hover .fa-solid {
            color: var(--color-primary);
        }

        .header-nav a.active .fa-solid {
            color: var(--color-primary);
        }

        .mobile-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 20px;
            transition: background-color var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background-color: rgba(255, 255, 255, 0.08);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-strip {
            background-color: var(--color-light-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--color-text-muted);
            font-size: 10px;
        }

        .breadcrumb .current {
            color: var(--color-text-primary);
            font-weight: 500;
        }

        /* ========== 分类页 H1 区 ========== */
        .page-heading {
            background-color: var(--color-light-bg);
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--color-border);
        }

        .page-heading h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .page-heading .heading-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-dark {
            background-color: var(--color-dark-bg);
            color: var(--color-text-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 640px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: var(--color-text-light-muted);
        }

        /* ========== 焦点对阵卡 ========== */
        .feature-match-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background-color: var(--color-dark-bg);
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-lg);
        }

        .feature-match-card .match-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
        }

        .feature-match-card .match-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 29, 35, 0.15) 0%, rgba(26, 29, 35, 0.65) 55%, rgba(26, 29, 35, 0.92) 100%);
        }

        .feature-match-card .match-content {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }

        .feature-match-card .match-tag {
            display: inline-block;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .feature-match-card .match-teams {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .feature-match-card .match-meta {
            font-size: 14px;
            color: var(--color-text-light-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .feature-match-card .match-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== 对阵列表 ========== */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .match-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            cursor: pointer;
        }

        .match-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d1d5db;
        }

        .match-item .match-date-box {
            flex-shrink: 0;
            text-align: center;
            min-width: 56px;
            padding: 8px 12px;
            background-color: var(--color-light-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
        }

        .match-item .match-date-box .day {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.2;
        }

        .match-item .match-date-box .month {
            font-size: 11px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

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

        .match-item .match-teams-sm {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.4;
        }

        .match-item .match-league {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 3px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .match-item .match-league .badge-league {
            display: inline-block;
            font-size: 11px;
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 999px;
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--color-primary);
        }

        .match-item .match-time {
            flex-shrink: 0;
            text-align: right;
        }

        .match-item .match-time .kickoff {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
        }

        .match-item .match-time .venue {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .match-item .match-arrow {
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 14px;
            transition: color var(--transition-fast), transform var(--transition-fast);
        }

        .match-item:hover .match-arrow {
            color: var(--color-primary);
            transform: translateX(3px);
        }

        /* ========== 联赛标签 ========== */
        .league-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .league-filter .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-body);
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .league-filter .filter-chip:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: rgba(255, 77, 46, 0.04);
        }

        .league-filter .filter-chip.active {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.3);
        }

        .league-filter .filter-chip .fa-solid {
            font-size: 12px;
        }

        /* ========== 数据统计条 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1px;
            background-color: var(--color-border);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .stats-strip .stat-cell {
            background-color: var(--color-card-white);
            padding: 24px 20px;
            text-align: center;
            transition: background-color var(--transition-fast);
        }

        .stats-strip .stat-cell:hover {
            background-color: var(--color-light-bg);
        }

        .stats-strip .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        .stats-strip .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== 焦点卡片网格 ========== */
        .focus-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .focus-card {
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

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

        .focus-card .focus-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .focus-card .focus-teams {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.4;
        }

        .focus-card .focus-league {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            background-color: var(--color-dark-bg);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 60%;
            height: 180%;
            background: radial-gradient(ellipse, rgba(255, 77, 46, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-section .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
        }

        .cta-section .cta-desc {
            font-size: 15px;
            color: var(--color-text-light-muted);
            margin-top: 4px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-primary);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.3);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.4);
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--color-text-light);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: rgba(255, 77, 46, 0.06);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--color-text-body);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: rgba(255, 77, 46, 0.04);
        }

        /* 查看更多按钮 */
        .view-more-wrap {
            text-align: center;
            margin-top: 24px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--color-dark-bg);
            color: var(--color-text-light-muted);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-mark-small {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-light-muted);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--color-text-light-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--color-text-light-muted);
            flex-wrap: wrap;
        }

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

        .footer-links a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .header-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .header-nav a .fa-solid {
                font-size: 11px;
                margin-right: 3px;
            }

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

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

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
                gap: 10px;
            }

            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                min-width: 0;
                margin-left: 0;
            }

            .header-nav {
                display: none;
                order: 4;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
                padding-top: 10px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

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

            .header-nav a {
                padding: 10px 14px;
                font-size: 14px;
                border-radius: var(--radius-sm);
            }

            .mobile-toggle {
                display: flex;
            }

            .page-heading h1 {
                font-size: 28px;
            }

            .section {
                padding: var(--section-gap-mobile) 0;
            }

            .section-title {
                font-size: 23px;
            }

            .match-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }

            .match-item .match-date-box {
                min-width: 48px;
                padding: 6px 10px;
            }

            .match-item .match-time {
                text-align: left;
                width: 100%;
                padding-left: 64px;
            }

            .match-item .match-arrow {
                display: none;
            }

            .focus-card-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .cta-section .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .feature-match-card {
                min-height: 260px;
            }

            .feature-match-card .match-content {
                padding: 20px;
            }

            .feature-match-card .match-teams {
                font-size: 22px;
            }
        }

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

            .page-heading h1 {
                font-size: 24px;
            }

            .stats-strip {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .match-item .match-teams-sm {
                font-size: 15px;
            }

            .match-item .match-time {
                padding-left: 0;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .feature-match-card .match-teams {
                font-size: 19px;
            }

            .feature-match-card .match-meta {
                font-size: 12px;
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #FF4D2E;
            --color-primary-hover: #E63E1F;
            --color-primary-ring: rgba(255, 77, 46, 0.15);
            --color-dark-bg: #1A1D23;
            --color-dark-secondary: #23272F;
            --color-dark-card: #2A2F38;
            --color-light-bg: #F5F6F8;
            --color-card-white: #FFFFFF;
            --color-text-primary: #111318;
            --color-text-body: #2E333C;
            --color-text-muted: #6B7280;
            --color-text-light: #F3F4F6;
            --color-text-light-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-dark: #3A3F48;
            --color-accent-green: #2BD9A2;
            --color-accent-yellow: #FFC94D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 14px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: #fff;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            -webkit-tap-highlight-color: transparent;
        }

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

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(26, 29, 35, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.35);
        }

        .logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo .logo-text .logo-cn {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .logo .logo-text .logo-en {
            font-size: 10px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .header-search {
            flex: 0 1 36%;
            min-width: 220px;
            max-width: 420px;
            position: relative;
            margin-left: auto;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--color-text-muted);
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            padding: 10px 16px 10px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #f3f4f6;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
        }

        .header-search input::placeholder {
            color: #9ca3af;
        }

        .header-search input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.15);
            background-color: rgba(255, 255, 255, 0.08);
            outline: none;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 12px;
            flex-shrink: 0;
        }

        .header-nav a {
            font-size: 14px;
            font-weight: 500;
            color: #cbd5e1;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .header-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .header-nav a.active {
            color: #fff;
            background-color: rgba(255, 77, 46, 0.18);
            box-shadow: inset 0 0 0 1px rgba(255, 77, 46, 0.35);
        }

        .mobile-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #f3f4f6;
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-search-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #f3f4f6;
            font-size: 16px;
            align-items: center;
            justify-content: center;
        }

        .mobile-search-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background-color: #1A1D23;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 24px;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: #cbd5e1;
            font-size: 15px;
            font-weight: 500;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background-color: rgba(255, 77, 46, 0.18);
            color: #fff;
        }

        .mobile-search-bar {
            display: none;
            padding: 12px 24px;
            background-color: #1A1D23;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-search-bar .search-box {
            position: relative;
        }

        .mobile-search-bar .search-box i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: #9ca3af;
            font-size: 14px;
        }

        .mobile-search-bar input {
            width: 100%;
            padding: 10px 16px 10px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #f3f4f6;
            font-size: 14px;
        }

        .mobile-search-bar input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.15);
            outline: none;
        }

        /* ========== 面包屑 + H1 ========== */
        .breadcrumb-section {
            background-color: #f8f9fb;
            border-bottom: 1px solid var(--color-border);
            padding: 32px 0 28px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #6b7280;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #6b7280;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: #d1d5db;
            font-size: 12px;
        }

        .breadcrumb .current {
            color: #2e333c;
            font-weight: 500;
        }

        .breadcrumb-section h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.35;
            margin: 0;
            letter-spacing: -0.01em;
        }

        .breadcrumb-section .sub-heading {
            font-size: 16px;
            color: #6b7280;
            margin-top: 10px;
            max-width: 720px;
            line-height: 1.7;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background-color: #f8f9fb;
        }

        .section-dark {
            background-color: var(--color-dark-bg);
            color: #f3f4f6;
        }

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

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.4;
            margin: 0 0 10px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 15px;
            color: #6b7280;
            max-width: 680px;
            line-height: 1.7;
            margin: 0;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header p {
            color: #b0b7c3;
        }

        /* ========== 解决方案列表主体 ========== */
        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .solution-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            cursor: pointer;
        }

        .solution-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: #d1d5db;
        }

        .solution-item .sol-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: #fff1ee;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
        }

        .solution-item .sol-content {
            flex: 1;
            min-width: 0;
        }

        .solution-item .sol-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .solution-item .sol-content p {
            font-size: 14px;
            color: #6b7280;
            margin: 0;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .solution-item .sol-arrow {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f8f9fb;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #9ca3af;
            font-size: 14px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .solution-item:hover .sol-arrow {
            background: var(--color-primary);
            color: #fff;
        }

        .solution-item .sol-tag {
            flex-shrink: 0;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 999px;
            border: 1px solid #ffd2c7;
            color: var(--color-primary);
            background: #fff5f3;
            white-space: nowrap;
        }

        /* ========== 封面图展示 ========== */
        .cover-showcase {
            display: flex;
            gap: 28px;
            align-items: center;
            margin-top: 28px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 16px;
            box-shadow: var(--shadow-sm);
        }

        .cover-showcase .cover-img {
            flex: 0 0 42%;
            max-width: 42%;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .cover-showcase .cover-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .cover-showcase .cover-text {
            flex: 1;
            padding: 8px 8px 8px 4px;
        }

        .cover-showcase .cover-text h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 8px;
        }

        .cover-showcase .cover-text p {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.7;
            margin: 0 0 10px;
        }

        .cover-showcase .cover-text .highlight-link {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cover-showcase .cover-text .highlight-link:hover {
            color: var(--color-primary-hover);
        }

        /* ========== 技术特性卡片 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .feature-card .fc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #fff1ee;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .feature-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 8px;
        }

        .feature-card p {
            font-size: 13px;
            color: #6b7280;
            line-height: 1.65;
            margin: 0 0 12px;
        }

        .feature-card .fc-stat {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-green);
        }

        /* ========== 接入流程步骤 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }

        .steps-row::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: #e5e7eb;
            z-index: 0;
        }

        .step-item {
            padding: 0 16px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-item .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(255, 77, 46, 0.3);
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 6px;
        }

        .step-item p {
            font-size: 13px;
            color: #6b7280;
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 客户收益指标 ========== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .benefit-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .benefit-card .bc-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .benefit-card .bc-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-primary);
            margin-bottom: 4px;
        }

        .benefit-card .bc-desc {
            font-size: 12px;
            color: #9ca3af;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition-fast);
        }

        .faq-item.open {
            border-color: #ffc9bd;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary);
            background: #fff;
            transition: background-color var(--transition-fast);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background-color: #fafafa;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #f5f6f8;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #9ca3af;
            font-size: 12px;
            transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }

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

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: #6b7280;
            line-height: 1.75;
        }

        /* ========== 底部 CTA ========== */
        .bottom-cta {
            background: var(--color-dark-bg);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .bottom-cta::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/25cb88180dd08a4f.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .bottom-cta .container {
            position: relative;
            z-index: 1;
        }

        .bottom-cta h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

        .bottom-cta p {
            font-size: 16px;
            color: #cbd5e1;
            margin: 0 0 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .bottom-cta .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 77, 46, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 16px rgba(255, 77, 46, 0.45);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: #15181d;
            color: #9ca3af;
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-mark-small {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #9ca3af;
            max-width: 300px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #e5e7eb;
            margin: 0 0 16px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #9ca3af;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #6b7280;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a {
            color: #9ca3af;
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .steps-row::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cover-showcase {
                flex-direction: column;
            }
            .cover-showcase .cover-img {
                flex: 0 0 100%;
                max-width: 100%;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .header-nav {
                display: none;
            }
            .mobile-toggle,
            .mobile-search-toggle {
                display: flex;
            }
            .mobile-menu,
            .mobile-search-bar {
                display: flex;
            }
            .mobile-menu {
                flex-direction: column;
            }
            .header-inner {
                height: 60px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .breadcrumb-section h1 {
                font-size: 26px;
            }
            .solution-item {
                flex-wrap: wrap;
                align-items: flex-start;
                padding: 16px 18px;
            }
            .solution-item .sol-tag {
                margin-left: 70px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .benefit-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .bottom-cta {
                padding: 48px 0;
            }
            .bottom-cta h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .solution-item .sol-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
                border-radius: 10px;
            }
            .solution-item .sol-tag {
                margin-left: 62px;
                font-size: 11px;
                padding: 3px 8px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cover-showcase {
                padding: 12px;
            }
        }

/* roulang page: category3 */
:root {
      --color-primary: #FF4D2E;
      --color-primary-hover: #E63E1F;
      --color-primary-ring: rgba(255, 77, 46, 0.15);
      --color-dark-bg: #1A1D23;
      --color-dark-secondary: #23272F;
      --color-dark-card: #2A2F38;
      --color-light-bg: #F5F6F8;
      --color-card-white: #FFFFFF;
      --color-text-primary: #111318;
      --color-text-body: #2E333C;
      --color-text-muted: #6B7280;
      --color-text-light: #F3F4F6;
      --color-text-light-muted: #9CA3AF;
      --color-border: #E5E7EB;
      --color-border-dark: #3A3F48;
      --color-accent-green: #2BD9A2;
      --color-accent-yellow: #FFC94D;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 14px;
      --radius-xl: 16px;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
      --transition-fast: 0.2s ease;
      --transition-base: 0.25s ease;
      --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
      --container-max: 1200px;
      --section-gap: 56px;
      --section-gap-mobile: 36px;
    }

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

    body {
      font-family: var(--font-family);
      font-size: 16px;
      line-height: 1.75;
      color: var(--color-text-body);
      background-color: #fff;
      overflow-x: hidden;
      min-height: 100vh;
      margin: 0;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border: 0;
    }

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

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--color-primary);
      outline-offset: 3px;
      border-radius: 4px;
    }

    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
      -webkit-tap-highlight-color: transparent;
    }

    input,
    textarea,
    select {
      font-family: inherit;
      font-size: inherit;
      -webkit-tap-highlight-color: transparent;
    }

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

    /* ========== 导航栏 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(26, 29, 35, 0.96);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      transition: box-shadow var(--transition-base);
    }

    .site-header.scrolled {
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      height: 68px;
      position: relative;
    }

    .logo {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .logo .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      color: #fff;
      flex-shrink: 0;
      box-shadow: 0 2px 8px rgba(255, 77, 46, 0.35);
    }

    .logo .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .logo .logo-text .logo-cn {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
    }

    .logo .logo-text .logo-en {
      font-size: 10px;
      font-weight: 400;
      color: var(--color-text-light-muted);
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .header-search {
      flex: 0 1 32%;
      min-width: 200px;
      max-width: 400px;
      position: relative;
      margin-left: auto;
    }

    .header-search .search-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 14px;
      color: var(--color-text-muted);
      pointer-events: none;
    }

    .header-search input {
      width: 100%;
      padding: 10px 16px 10px 40px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.1);
      background-color: rgba(255, 255, 255, 0.06);
      color: #f3f4f6;
      font-size: 14px;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    }

    .header-search input::placeholder {
      color: #9CA3AF;
    }

    .header-search input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-ring);
      outline: none;
      background-color: rgba(255, 255, 255, 0.08);
    }

    .menu-toggle {
      display: none;
      color: #fff;
      font-size: 20px;
      padding: 8px;
      border-radius: var(--radius-sm);
      transition: background-color var(--transition-fast);
    }

    .menu-toggle:hover {
      background-color: rgba(255, 255, 255, 0.08);
    }

    .header-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      margin-left: 8px;
    }

    .header-nav a {
      display: inline-flex;
      align-items: center;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      color: #d1d5db;
      font-size: 14px;
      font-weight: 500;
      white-space: nowrap;
      transition: color var(--transition-fast), background-color var(--transition-fast);
    }

    .header-nav a:hover {
      color: #fff;
      background-color: rgba(255, 255, 255, 0.08);
    }

    .header-nav a.active {
      color: #fff;
      background-color: var(--color-primary);
      font-weight: 600;
    }

    /* ========== 面包屑/H1 区 ========== */
    .page-intro {
      background: var(--color-light-bg);
      padding: 36px 0 28px;
      border-bottom: 1px solid var(--color-border);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--color-text-muted);
      margin-bottom: 16px;
    }

    .breadcrumb a {
      color: var(--color-primary);
      font-weight: 500;
    }

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

    .breadcrumb .separator {
      color: #9CA3AF;
    }

    .page-intro h1 {
      font-size: 32px;
      line-height: 1.3;
      color: var(--color-text-primary);
      margin: 0 0 12px;
      font-weight: 700;
      letter-spacing: 0.01em;
    }

    .page-intro .intro-desc {
      font-size: 16px;
      color: var(--color-text-body);
      max-width: 760px;
      margin: 0;
      line-height: 1.8;
    }

    /* ========== 通用 section ========== */
    main > section {
      padding: var(--section-gap) 0;
    }

    main > section:nth-of-type(even) {
      background-color: #fff;
    }

    main > section:nth-of-type(odd):not(.page-intro):not(.cta-section) {
      background-color: var(--color-light-bg);
    }

    .section-title {
      font-size: 26px;
      line-height: 1.35;
      color: var(--color-text-primary);
      font-weight: 700;
      margin: 0 0 12px;
      letter-spacing: 0.01em;
    }

    .section-sub {
      font-size: 16px;
      color: var(--color-text-muted);
      margin: 0 0 32px;
      max-width: 680px;
      line-height: 1.8;
    }

    /* ========== 比分列表卡片 ========== */
    .score-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .score-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: var(--color-card-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 18px 20px;
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
    }

    .score-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
      border-color: #d1d5db;
    }

    .score-card .match-info {
      min-width: 110px;
    }

    .score-card .match-status {
      display: inline-block;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      background: var(--color-light-bg);
      color: var(--color-text-muted);
      font-weight: 600;
      letter-spacing: 0.02em;
      margin-bottom: 6px;
    }

    .score-card .match-status.live {
      background: rgba(255, 77, 46, 0.1);
      color: var(--color-primary);
    }

    .score-card .match-status.finished {
      background: rgba(43, 217, 162, 0.12);
      color: #0d9a6a;
    }

    .score-card .match-time {
      font-size: 14px;
      color: var(--color-text-muted);
    }

    .score-card .versus {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      min-width: 220px;
      text-align: center;
    }

    .score-card .team {
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text-primary);
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      justify-content: flex-end;
    }

    .score-card .team.away {
      justify-content: flex-start;
    }

    .score-card .team .team-badge {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--color-light-bg);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      color: var(--color-text-muted);
      flex-shrink: 0;
    }

    .score-card .score {
      font-size: 22px;
      font-weight: 700;
      color: var(--color-text-primary);
      min-width: 70px;
      text-align: center;
      letter-spacing: 0.04em;
    }

    .score-card .score.live-score {
      color: var(--color-primary);
    }

    .score-card .live-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--color-primary);
      font-weight: 600;
    }

    .score-card .live-badge .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-primary);
      animation: pulse-dot 1.2s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      color: var(--color-text-body);
      background: #fff;
      font-weight: 600;
      font-size: 14px;
      transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    }

    .btn-outline:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: rgba(255, 77, 46, 0.03);
    }

    /* ========== 数据指标 ========== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .stat-card {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .stat-card .stat-number {
      font-size: 36px;
      font-weight: 700;
      color: var(--color-primary);
      letter-spacing: 0.02em;
      line-height: 1.2;
      margin-bottom: 8px;
    }

    .stat-card .stat-number .unit {
      font-size: 16px;
      font-weight: 500;
      color: var(--color-text-muted);
      margin-left: 2px;
    }

    .stat-card .stat-label {
      font-size: 14px;
      color: var(--color-text-muted);
    }

    /* ========== 特性行卡 ========== */
    .feature-list {
      display: flex;
      flex-direction: column;
      gap: 0;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .feature-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 18px 20px;
      border-bottom: 1px solid var(--color-border);
      transition: background-color var(--transition-fast);
    }

    .feature-row:last-child {
      border-bottom: none;
    }

    .feature-row:hover {
      background: rgba(255, 77, 46, 0.03);
    }

    .feature-row .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-md);
      background: rgba(255, 77, 46, 0.08);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }

    .feature-row .feature-content h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text-primary);
      margin: 0 0 4px;
    }

    .feature-row .feature-content p {
      font-size: 14px;
      color: var(--color-text-muted);
      margin: 0;
      line-height: 1.6;
    }

    /* ========== 图文区块 ========== */
    .split-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .split-block .split-image {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--color-border);
    }

    .split-block .split-image img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    /* ========== FAQ ========== */
    .faq-list {
      max-width: 780px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: box-shadow var(--transition-fast);
    }

    .faq-item:hover {
      box-shadow: var(--shadow-sm);
    }

    .faq-item .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text-primary);
      background: transparent;
      border: none;
      cursor: pointer;
    }

    .faq-item .faq-question .faq-icon {
      flex-shrink: 0;
      font-size: 14px;
      color: var(--color-text-muted);
      transition: transform var(--transition-base);
    }

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

    .faq-item .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition-base), padding var(--transition-base);
      padding: 0 20px;
      color: var(--color-text-body);
      font-size: 15px;
      line-height: 1.8;
    }

    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 20px 18px;
    }

    /* ========== CTA ========== */
    .cta-section {
      background: var(--color-dark-bg);
      color: #fff;
      padding: 64px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(circle at 30% 20%, rgba(255, 77, 46, 0.18), transparent 60%);
      pointer-events: none;
    }

    .cta-section .container {
      position: relative;
      z-index: 1;
      text-align: center;
    }

    .cta-section h2 {
      font-size: 28px;
      font-weight: 700;
      margin: 0 0 12px;
      color: #fff;
    }

    .cta-section p {
      font-size: 16px;
      color: var(--color-text-light-muted);
      margin: 0 auto 28px;
      max-width: 560px;
      line-height: 1.8;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      justify-content: center;
      align-items: center;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-primary);
      color: #fff;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
      box-shadow: 0 2px 8px rgba(255, 77, 46, 0.3);
    }

    .btn-primary:hover {
      background: var(--color-primary-hover);
      box-shadow: 0 4px 14px rgba(255, 77, 46, 0.4);
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      padding: 12px 24px;
      border: 1px solid rgba(255, 255, 255, 0.4);
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    }

    .btn-ghost:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background-color: #0f1115;
      color: #c7cbd1;
      padding: 48px 0 24px;
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 32px;
    }

    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      color: var(--color-text-light-muted);
      line-height: 1.8;
      margin: 0;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin: 0 0 14px;
    }

    .footer-col a {
      display: block;
      color: #9CA3AF;
      padding: 4px 0;
      transition: color var(--transition-fast);
    }

    .footer-col a:hover {
      color: #fff;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      color: #6B7280;
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #6B7280;
    }

    .footer-links a {
      color: #9CA3AF;
    }

    .footer-links a:hover {
      color: #fff;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      .header-search {
        flex-basis: 28%;
        min-width: 160px;
      }
      .header-nav a {
        padding: 8px 8px;
        font-size: 13px;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
    }

    @media (max-width: 900px) {
      .header-inner {
        height: auto;
        min-height: 68px;
        flex-wrap: wrap;
        padding: 10px 0;
      }
      .header-search {
        order: 3;
        flex: 1 1 100%;
        max-width: none;
        margin-left: 0;
      }
      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      .header-nav {
        display: none;
        width: 100%;
        order: 4;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        background: var(--color-dark-bg);
        padding: 16px 0 10px;
      }
      .header-nav.open {
        display: flex;
      }
      .header-nav a {
        width: 100%;
        padding: 10px 12px;
        font-size: 15px;
      }
    }

    @media (max-width: 768px) {
      main > section {
        padding: var(--section-gap-mobile) 0;
      }
      .page-intro {
        padding: 24px 0 20px;
      }
      .page-intro h1 {
        font-size: 26px;
      }
      .section-title {
        font-size: 22px;
      }
      .score-card {
        flex-wrap: wrap;
        gap: 12px;
        padding: 16px;
      }
      .score-card .versus {
        min-width: 100%;
        order: 3;
        gap: 12px;
      }
      .score-card .match-info {
        min-width: 90px;
      }
      .stats-grid {
        gap: 12px;
      }
      .stat-card .stat-number {
        font-size: 28px;
      }
      .split-block {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 520px) {
      .header-inner {
        gap: 12px;
      }
      .logo .logo-text .logo-cn {
        font-size: 18px;
      }
      .header-search input {
        font-size: 13px;
        padding-left: 36px;
      }
      .page-intro h1 {
        font-size: 22px;
      }
      .score-card {
        padding: 14px;
      }
      .score-card .team {
        font-size: 14px;
        gap: 4px;
      }
      .score-card .score {
        font-size: 18px;
        min-width: 50px;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }
      .stat-card {
        padding: 16px 10px;
      }
      .cta-section h2 {
        font-size: 22px;
      }
      .btn-primary,
      .btn-ghost {
        width: 100%;
        justify-content: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

/* roulang page: category4 */
:root {
            --color-primary: #FF4D2E;
            --color-primary-hover: #E63E1F;
            --color-primary-ring: rgba(255, 77, 46, 0.15);
            --color-dark-bg: #1A1D23;
            --color-dark-secondary: #23272F;
            --color-dark-card: #2A2F38;
            --color-light-bg: #F5F6F8;
            --color-card-white: #FFFFFF;
            --color-text-primary: #111318;
            --color-text-body: #2E333C;
            --color-text-muted: #6B7280;
            --color-text-light: #F3F4F6;
            --color-text-light-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-dark: #3A3F48;
            --color-accent-green: #2BD9A2;
            --color-accent-yellow: #FFC94D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 14px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: #fff;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            -webkit-tap-highlight-color: transparent;
        }

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

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(26, 29, 35, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.35);
        }

        .logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo .logo-text .logo-cn {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .logo .logo-text .logo-en {
            font-size: 10px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .header-search {
            flex: 0 1 36%;
            min-width: 200px;
            max-width: 400px;
            position: relative;
            margin-left: auto;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--color-text-muted);
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            padding: 10px 16px 10px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #f9fafb;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
        }

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

        .header-search input:focus {
            border-color: rgba(255, 77, 46, 0.6);
            box-shadow: 0 0 0 3px var(--color-primary-ring);
            background-color: rgba(255, 255, 255, 0.08);
            outline: none;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .header-nav a {
            color: var(--color-text-light-muted);
            font-size: 14px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .header-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.06);
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background-color: var(--color-primary);
        }

        .mobile-menu-btn {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-search-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition-fast);
        }

        .mobile-search-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-search-bar {
            display: none;
            padding: 12px 24px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            background-color: rgba(26, 29, 35, 0.98);
        }

        .mobile-search-bar .header-search {
            max-width: 100%;
            min-width: 0;
            flex: 1;
            margin: 0;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-area {
            background-color: var(--color-light-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }

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

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

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

        .breadcrumb-inner .divider {
            color: #D1D5DB;
            font-size: 12px;
        }

        .breadcrumb-inner .current {
            color: var(--color-text-primary);
            font-weight: 500;
        }

        /* ========== 分类H1区 ========== */
        .category-hero {
            background: linear-gradient(180deg, var(--color-light-bg) 0%, #FFFFFF 100%);
            padding: 52px 0 42px;
        }

        .category-hero-content {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            color: var(--color-primary);
            background-color: var(--color-primary-ring);
            letter-spacing: 0.05em;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text-primary);
            letter-spacing: -0.01em;
            margin: 0;
            line-height: 1.3;
        }

        .category-hero-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-gap) 0;
        }

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

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

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.35;
            margin: 0 0 10px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0;
            max-width: 620px;
            line-height: 1.7;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: var(--color-text-light-muted);
        }

        /* ========== 资源卡片列表 ========== */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .resource-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            position: relative;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D1D5DB;
        }

        .resource-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary) 0%, #FF7A45 100%);
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.25);
        }

        .resource-card-body {
            flex: 1;
            min-width: 0;
        }

        .resource-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .resource-card-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .resource-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .resource-type-badge {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            background-color: var(--color-light-bg);
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .resource-type-badge.highlight {
            background-color: var(--color-primary-ring);
            color: var(--color-primary);
        }

        .resource-card-arrow {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .resource-card:hover .resource-card-arrow {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: var(--color-primary-ring);
        }

        /* ========== 学习路径 ========== */
        .learning-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .learning-step {
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            position: relative;
        }

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

        .learning-step-number {
            font-size: 38px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .learning-step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .learning-step-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .learning-step-connector {
            display: none;
        }

        /* ========== 免费试用/套餐 ========== */
        .trial-panel {
            background: linear-gradient(135deg, var(--color-dark-bg) 0%, #242830 100%);
            border-radius: var(--radius-xl);
            padding: 42px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            border: 1px solid var(--color-border-dark);
            box-shadow: var(--shadow-lg);
        }

        .trial-info {
            flex: 1;
        }

        .trial-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.35;
        }

        .trial-highlight {
            color: var(--color-accent-green);
        }

        .trial-desc {
            font-size: 15px;
            color: var(--color-text-light-muted);
            margin: 0 0 18px;
            line-height: 1.7;
        }

        .trial-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .trial-feature-tag {
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
            background-color: rgba(255, 255, 255, 0.06);
            color: var(--color-text-light);
            border: 1px solid rgba(255, 255, 255, 0.1);
            white-space: nowrap;
        }

        .trial-action {
            flex-shrink: 0;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            line-height: 1.4;
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border: 1px solid var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: 0 4px 14px rgba(255, 77, 46, 0.3);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-text-primary);
            border: 1px solid #D1D5DB;
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: var(--color-primary-ring);
        }

        .btn-light {
            background-color: #fff;
            color: var(--color-text-primary);
            border: 1px solid #fff;
        }

        .btn-light:hover {
            background-color: #f0f0f0;
            border-color: #f0f0f0;
        }

        .btn-dark-outline {
            background-color: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-dark-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: rgba(255, 77, 46, 0.08);
        }

        .btn-sm {
            font-size: 14px;
            padding: 8px 16px;
        }

        /* ========== 视频/教程卡片 ========== */
        .tutorial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .tutorial-card {
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .tutorial-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--color-dark-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .tutorial-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .tutorial-card:hover .tutorial-thumb img {
            transform: scale(1.04);
            opacity: 1;
        }

        .tutorial-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.45);
            transition: transform var(--transition-fast), background-color var(--transition-fast);
        }

        .tutorial-card:hover .tutorial-play-btn {
            transform: translate(-50%, -50%) scale(1.06);
            background-color: var(--color-primary-hover);
        }

        .tutorial-body {
            padding: 20px 22px;
        }

        .tutorial-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .tutorial-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: 0 0 8px;
            line-height: 1.45;
        }

        .tutorial-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background-color: var(--color-dark-bg);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.18) 0%, rgba(255, 77, 46, 0) 65%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(43, 217, 162, 0.12) 0%, rgba(43, 217, 162, 0) 65%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .cta-subtitle {
            font-size: 16px;
            color: var(--color-text-light-muted);
            margin: 0 0 28px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-dark-bg);
            border-top: 1px solid var(--color-border-dark);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .logo-mark-small {
            width: 30px;
            height: 30px;
            border-radius: 7px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-light-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: var(--color-text-light-muted);
        }

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

        .footer-links a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ========== 移动端菜单抽屉 ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(26, 29, 35, 0.98);
            z-index: 99;
            padding: 20px 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-drawer a {
            color: var(--color-text-light-muted);
            font-size: 17px;
            padding: 12px 10px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .mobile-drawer a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 0;
            }
            .header-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .header-search {
                flex: 0 1 28%;
                min-width: 160px;
                max-width: 280px;
            }
            .learning-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tutorial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --section-gap-mobile: 36px;
            }
            .header-search {
                display: none;
            }
            .header-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-search-toggle {
                display: flex;
            }
            .mobile-search-bar.open {
                display: block;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .resource-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px;
                gap: 14px;
            }
            .resource-card-arrow {
                align-self: flex-end;
            }
            .learning-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .tutorial-grid {
                grid-template-columns: 1fr;
            }
            .trial-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
                gap: 20px;
            }
            .trial-action {
                width: 100%;
            }
            .trial-action .btn {
                width: 100%;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 36px 0 30px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .trial-features {
                gap: 6px;
            }
            .trial-feature-tag {
                font-size: 12px;
                padding: 4px 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .resource-card-title {
                font-size: 15px;
            }
            .learning-step-number {
                font-size: 30px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #FF4D2E;
            --color-primary-hover: #E63E1F;
            --color-primary-ring: rgba(255, 77, 46, 0.15);
            --color-dark-bg: #1A1D23;
            --color-dark-secondary: #23272F;
            --color-dark-card: #2A2F38;
            --color-light-bg: #F5F6F8;
            --color-card-white: #FFFFFF;
            --color-text-primary: #111318;
            --color-text-body: #2E333C;
            --color-text-muted: #6B7280;
            --color-text-light: #F3F4F6;
            --color-text-light-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-dark: #3A3F48;
            --color-accent-green: #2BD9A2;
            --color-accent-yellow: #FFC94D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 14px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 56px;
            --section-gap-mobile: 36px;
        }

        * {
            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(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-body);
            background-color: #fff;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            -webkit-tap-highlight-color: transparent;
        }

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

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(26, 29, 35, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(255, 77, 46, 0.35);
        }

        .logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo .logo-text .logo-cn {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .logo .logo-text .logo-en {
            font-size: 10px;
            font-weight: 400;
            color: var(--color-text-light-muted);
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .header-search {
            flex: 0 1 36%;
            min-width: 220px;
            max-width: 420px;
            position: relative;
            margin-left: auto;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--color-text-muted);
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            padding: 10px 16px 10px 40px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background-color: rgba(255, 255, 255, 0.06);
            color: #f3f4f6;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
        }

        .header-search input::placeholder {
            color: #9CA3AF;
        }

        .header-search input:focus {
            outline: none;
            border-color: rgba(255, 77, 46, 0.6);
            background-color: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.15);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-shrink: 0;
        }

        .header-nav a {
            font-size: 14px;
            color: #d1d5db;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .header-nav a:hover {
            color: #fff;
        }

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

        .header-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }

        .mobile-menu-toggle {
            display: none;
            color: #fff;
            font-size: 20px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .mobile-search-toggle {
            display: none;
            color: #d1d5db;
            font-size: 18px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .mobile-search-toggle:hover {
            color: #fff;
        }

        /* 面包屑 */
        .breadcrumb-section {
            background-color: var(--color-light-bg);
            padding-top: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .sep {
            color: #c0c4cc;
        }

        .breadcrumb-nav .current {
            color: var(--color-text-primary);
            font-weight: 500;
        }

        /* 分类H1区 */
        .category-hero {
            background-color: var(--color-light-bg);
            padding: 24px 0 40px;
        }

        .category-hero h1 {
            font-size: 32px;
            line-height: 1.3;
            color: var(--color-text-primary);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .category-hero .subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* 板块通用 */
        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-sm {
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-header {
            margin-bottom: 28px;
        }

        /* 新闻列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--color-border);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-fast), padding-left var(--transition-fast);
        }

        .news-item:hover {
            background-color: #fafafa;
            padding-left: 8px;
        }

        .news-date {
            flex-shrink: 0;
            width: 88px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background-color: var(--color-light-bg);
            border-radius: var(--radius-sm);
            padding: 10px 8px;
            border: 1px solid var(--color-border);
        }

        .news-date .day {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .news-date .month {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-content .news-summary {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .news-content .read-more {
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

        .news-content .read-more i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .news-content .read-more:hover {
            color: var(--color-primary-hover);
        }

        .news-content .read-more:hover i {
            transform: translateX(3px);
        }

        .news-thumb {
            flex-shrink: 0;
            width: 160px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--color-border);
            display: none;
        }

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

        .news-item:hover .news-thumb img {
            transform: scale(1.04);
        }

        /* 标签 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            background-color: var(--color-light-bg);
            color: var(--color-text-body);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .tag-badge:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: #fff;
        }

        .tag-badge.hot {
            background-color: rgba(255, 77, 46, 0.08);
            border-color: rgba(255, 77, 46, 0.25);
            color: var(--color-primary);
        }

        /* 归档 */
        .archive-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .archive-card {
            background-color: var(--color-card-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }

        .archive-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d9dce1;
        }

        .archive-card .archive-year {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 4px;
        }

        .archive-card .archive-count {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .archive-card .archive-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--color-primary);
            margin-top: 10px;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

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

        /* 订阅 */
        .subscribe-panel {
            background-color: var(--color-dark-bg);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-panel::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-panel .subscribe-text {
            flex: 1;
            min-width: 240px;
        }

        .subscribe-panel .subscribe-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .subscribe-panel .subscribe-text p {
            font-size: 14px;
            color: var(--color-text-light-muted);
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 0 1 420px;
            min-width: 260px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-dark);
            background-color: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: #9CA3AF;
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-ring);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            box-shadow: 0 4px 14px rgba(255, 77, 46, 0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        /* 底部CTA */
        .bottom-cta {
            background-color: var(--color-dark-bg);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .bottom-cta::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/3673236cf8e37e1a.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .bottom-cta .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .bottom-cta h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .bottom-cta p {
            font-size: 15px;
            color: var(--color-text-light-muted);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .bottom-cta .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #d1d5db;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: rgba(255, 77, 46, 0.06);
        }

        /* 页脚 */
        .site-footer {
            background-color: #14161a;
            padding: 48px 0 24px;
            color: var(--color-text-light-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .logo-mark-small {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-light-muted);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--color-text-light-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom .footer-links a {
            color: var(--color-text-light-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom .footer-links span {
            color: #5a5f6a;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 14px;
            }
            .archive-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
                gap: 12px;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background-color: rgba(26, 29, 35, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                width: 100%;
                padding: 12px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-nav a:last-child {
                border-bottom: none;
            }
            .header-nav a.active::after {
                display: none;
            }
            .header-search {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background-color: rgba(26, 29, 35, 0.98);
                padding: 12px 24px;
                max-width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .header-search.open {
                display: block;
            }
            .header-search input {
                width: 100%;
            }
            .mobile-menu-toggle,
            .mobile-search-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date {
                width: 100%;
                flex-direction: row;
                gap: 8px;
                justify-content: flex-start;
                padding: 8px 12px;
                border-radius: var(--radius-sm);
            }
            .news-date .day {
                font-size: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 180px;
                display: block;
            }
            .archive-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-panel {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form {
                flex-direction: column;
                flex: 1;
            }
            .bottom-cta h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .bottom-cta .cta-actions {
                width: 100%;
            }
        }