/* roulang page: index */
:root {
            --color-primary: #16352A;
            --color-primary-dark: #0F2A20;
            --color-primary-deeper: #102A20;
            --color-accent: #D4A24E;
            --color-accent-hover: #C08C3A;
            --color-bg: #F7F4EF;
            --color-card: #FFFFFF;
            --color-text: #2A2A2A;
            --color-text-muted: #6B6B6B;
            --color-text-weak: #9A9A9A;
            --color-border: #E4DFD5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(0,0,0,0.08);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.3s ease;
            --nav-width: 240px;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
        }

        *, *::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-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

        :focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }

        .off-canvas-wrapper {
            min-height: 100vh;
        }

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-primary-deeper);
            z-index: 100;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) var(--color-primary-deeper);
            transition: transform var(--transition-medium);
        }

        .app-shell-nav .nav-logo {
            padding: 32px 24px 24px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.2);
        }

        .app-shell-nav .nav-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .app-shell-nav .nav-logo .logo-mark {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-size: 22px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .app-shell-nav .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .app-shell-nav .nav-logo .logo-text span {
            font-size: 12px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 2px;
        }

        .nav-menu {
            list-style: none;
            padding: 20px 12px;
            flex: 1;
        }

        .nav-menu li {
            margin-bottom: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(212, 162, 78, 0.7);
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .nav-menu a:hover i {
            color: var(--color-accent);
        }

        .nav-menu a.active {
            background: rgba(212, 162, 78, 0.12);
            color: #fff;
            border-left-color: var(--color-accent);
        }
        .nav-menu a.active i {
            color: var(--color-accent);
        }

        .nav-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .nav-footer a:hover {
            color: var(--color-accent);
        }

        /* ========== 主内容区 ========== */
        .off-canvas-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            background: var(--color-bg);
        }

        .mobile-top-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: var(--color-primary-deeper);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        .mobile-top-bar .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }
        .mobile-top-bar .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-weight: 900;
            font-size: 18px;
        }
        .mobile-top-bar .hamburger-btn {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-top-bar .hamburger-btn:hover {
            background: rgba(255,255,255,0.1);
        }

        /* Off-canvas 移动端抽屉 */
        .mobile-drawer .nav-logo {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.2);
        }
        .mobile-drawer .nav-logo a {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-drawer .nav-logo .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-weight: 900;
            font-size: 20px;
        }
        .mobile-drawer .nav-menu {
            padding: 16px 10px;
        }
        .mobile-drawer .nav-menu a {
            color: rgba(255,255,255,0.75);
            padding: 14px 16px;
            font-size: 15px;
        }
        .mobile-drawer .nav-menu a.active {
            color: #fff;
            border-left-color: var(--color-accent);
        }
        .mobile-drawer .close-btn {
            position: absolute;
            top: 16px;
            right: 16px;
            background: transparent;
            border: none;
            color: rgba(255,255,255,0.7);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-drawer .close-btn:hover {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }

        /* ========== 通用容器与板块 ========== */
        .main-container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 32px;
        }

        section {
            padding: 80px 0;
        }
        section:nth-child(even) {
            background: #fff;
        }
        section:nth-child(odd) {
            background: var(--color-bg);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            padding: 4px 12px;
            border: 1px solid var(--color-accent);
            border-radius: 20px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 56px;
            height: 4px;
            background: var(--color-accent);
            margin-top: 14px;
            border-radius: 2px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            line-height: 1.4;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            border-color: var(--color-accent);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            line-height: 1.4;
        }
        .btn-secondary:hover {
            background: #F0F5F2;
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: transparent;
            border: none;
            padding: 8px 0;
        }
        .btn-text .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }
        .btn-text:hover .arrow {
            transform: translateX(4px);
        }
        .btn-text:hover {
            color: var(--color-accent-hover);
        }

        /* ========== Hero ========== */
        .hero-section {
            padding: 0;
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-primary-deeper);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16,42,32,0.85) 0%, rgba(16,42,32,0.6) 50%, rgba(16,42,32,0.85) 100%);
            z-index: 1;
        }
        .hero-section .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 32px;
            max-width: 1160px;
            margin: 0 auto;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212,162,78,0.2);
            border: 1px solid rgba(212,162,78,0.5);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-text h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-text h1 .highlight {
            color: var(--color-accent);
        }
        .hero-text .hero-subtitle {
            font-size: 17px;
            color: rgba(255,255,255,0.8);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-cta-group .btn-primary {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary-deeper);
        }
        .hero-cta-group .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary-deeper);
        }
        .hero-cta-group .btn-secondary {
            border-color: rgba(255,255,255,0.5);
            color: #fff;
        }
        .hero-cta-group .btn-secondary:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
            border-color: var(--color-accent);
        }
        .hero-data-strip {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }
        .hero-data-strip .data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-strip .data-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            line-height: 1.2;
        }
        .hero-data-strip .data-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }

        /* 倒计时环 */
        .hero-countdown-panel {
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .countdown-ring {
            position: relative;
            width: 160px;
            height: 160px;
        }
        .countdown-ring svg {
            transform: rotate(-90deg);
        }
        .countdown-ring .ring-bg {
            fill: none;
            stroke: rgba(255,255,255,0.1);
            stroke-width: 8;
        }
        .countdown-ring .ring-progress {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }
        .countdown-ring .ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
        }
        .countdown-ring .ring-text .days {
            font-size: 36px;
            font-weight: 900;
            color: var(--color-accent);
            font-family: var(--font-mono);
            line-height: 1.1;
        }
        .countdown-ring .ring-text .label {
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            letter-spacing: 2px;
        }
        .hero-panel-title {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            text-align: center;
        }
        .hero-sell-points {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-sell-point {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255,255,255,0.75);
            font-size: 13px;
            padding: 6px 14px;
            background: rgba(255,255,255,0.08);
            border-radius: 16px;
        }
        .hero-sell-point i {
            color: var(--color-accent);
            font-size: 12px;
        }

        /* ========== 功能分组区 ========== */
        .features-section {
            background: var(--color-bg);
        }
        .features-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
            margin-bottom: 40px;
        }
        .features-intro-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .features-intro-text p {
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 12px;
            max-width: 560px;
        }
        .features-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .features-scroll-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 16px;
        }
        .feature-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-medium);
            position: relative;
            overflow: hidden;
        }
        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .feature-item:hover::before {
            opacity: 1;
        }
        .feature-item .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(22,53,42,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .feature-item .feature-icon i {
            font-size: 22px;
            color: var(--color-primary);
        }
        .feature-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ========== 优惠阶梯 / 数据指标 ========== */
        .metrics-section {
            background: var(--color-primary);
        }
        .metrics-section .section-header h2 {
            color: #fff;
        }
        .metrics-section .section-header p {
            color: rgba(255,255,255,0.7);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-medium);
        }
        .metric-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .metric-card .metric-icon {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .metric-card .metric-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            margin-top: 8px;
        }
        .metric-card .metric-desc {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            margin-top: 8px;
            line-height: 1.6;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-section {
            background: #fff;
        }
        .deep-content-section.alt-bg {
            background: var(--color-bg);
        }
        .deep-content-wrapper {
            max-width: 720px;
            margin: 0 auto;
        }
        .deep-content-wrapper h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .deep-content-wrapper h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 28px 0 12px;
        }
        .deep-content-wrapper p {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content-wrapper blockquote {
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: #FBF8F3;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .deep-content-wrapper .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .deep-content-wrapper .data-table th {
            background: var(--color-primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .deep-content-wrapper .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text-muted);
        }
        .deep-content-wrapper .data-table tr:last-child td {
            border-bottom: none;
        }

        /* ========== 使用场景区 ========== */
        .scenarios-section {
            background: var(--color-bg);
        }
        .scenarios-timeline {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-medium);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .scenario-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .scenario-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ========== 成功案例区 ========== */
        .cases-section {
            background: #fff;
        }
        .cases-data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-data-card {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-medium);
            border: 1px solid var(--color-border);
        }
        .case-data-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }
        .case-data-card .case-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .case-data-card .case-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .case-data-card .case-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 产品截图舞台 ========== */
        .screenshots-section {
            background: var(--color-primary-deeper);
        }
        .screenshots-section .section-header h2 {
            color: #fff;
        }
        .screenshots-section .section-header p {
            color: rgba(255,255,255,0.7);
        }
        .screenshot-stage {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .screenshot-frame {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 2px solid rgba(255,255,255,0.12);
            transition: all var(--transition-medium);
            background: rgba(255,255,255,0.05);
        }
        .screenshot-frame:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }
        .screenshot-frame img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .screenshot-frame .screenshot-label {
            padding: 16px;
            color: rgba(255,255,255,0.8);
            font-size: 14px;
            text-align: center;
            line-height: 1.5;
        }

        /* ========== 新闻中心 ========== */
        .news-section {
            background: var(--color-bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-1px);
        }
        .news-item .news-date-block {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            text-align: center;
            min-width: 60px;
            flex-shrink: 0;
        }
        .news-item .news-date-block .day {
            font-size: 22px;
            font-weight: 800;
            line-height: 1.2;
            display: block;
        }
        .news-item .news-date-block .month {
            font-size: 11px;
            letter-spacing: 1px;
            color: rgba(255,255,255,0.7);
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-item .news-content p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .news-sidebar {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            height: fit-content;
        }
        .news-sidebar h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .news-sidebar .news-sidebar-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: center;
        }
        .news-sidebar .news-sidebar-item:last-child {
            border-bottom: none;
        }
        .news-sidebar .news-sidebar-item img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-sidebar .news-sidebar-item .sidebar-text {
            flex: 1;
        }
        .news-sidebar .news-sidebar-item .sidebar-text h5 {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .news-sidebar .news-sidebar-item .sidebar-text span {
            font-size: 12px;
            color: var(--color-text-weak);
        }

        /* ========== 价格区 ========== */
        .pricing-section {
            background: #fff;
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-medium);
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .pricing-card.featured {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .pricing-card .plan-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-accent);
        }
        .pricing-card.featured .plan-name {
            color: var(--color-accent);
        }
        .pricing-card .plan-price {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-mono);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .pricing-card.featured .plan-price {
            color: #fff;
        }
        .pricing-card .plan-unit {
            font-size: 13px;
            color: var(--color-text-weak);
            margin-bottom: 20px;
        }
        .pricing-card.featured .plan-unit {
            color: rgba(255,255,255,0.6);
        }
        .pricing-card .plan-features {
            list-style: none;
            margin-bottom: 24px;
            flex: 1;
        }
        .pricing-card .plan-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid var(--color-border);
        }
        .pricing-card .plan-features li:last-child {
            border-bottom: none;
        }
        .pricing-card.featured .plan-features li {
            color: rgba(255,255,255,0.75);
            border-bottom-color: rgba(255,255,255,0.1);
        }
        .pricing-card .plan-features li i {
            color: var(--color-accent);
            font-size: 13px;
        }

        /* ========== 线索表单 ========== */
        .lead-form-section {
            background: var(--color-bg);
        }
        .lead-form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .lead-form-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .lead-form-text p {
            color: var(--color-text-muted);
            line-height: 1.85;
            max-width: 460px;
        }
        .lead-form-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }
        .lead-form-card .form-group {
            margin-bottom: 18px;
        }
        .lead-form-card label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .lead-form-card input {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            background: #fff;
            transition: all var(--transition-fast);
        }
        .lead-form-card input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(22,53,42,0.1);
            outline: none;
        }
        .lead-form-card .privacy-note {
            font-size: 12px;
            color: var(--color-text-weak);
            margin-top: 12px;
            line-height: 1.6;
        }

        /* ========== 限时入口 / 节日战役区 ========== */
        .campaign-section {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }
        .campaign-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212,162,78,0.2) 0%, transparent 70%);
            z-index: 0;
        }
        .campaign-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .campaign-text h3 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .campaign-text h3 .highlight {
            color: var(--color-accent);
        }
        .campaign-text p {
            color: rgba(255,255,255,0.75);
            line-height: 1.85;
            margin-bottom: 20px;
            max-width: 500px;
        }
        .campaign-text .campaign-badge {
            display: inline-block;
            background: rgba(212,162,78,0.2);
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .campaign-image img {
            border-radius: var(--radius-lg);
            box-shadow: 0 10px 40px rgba(0,0,0,0.3);
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* ========== 品牌介绍 ========== */
        .brand-section {
            background: #fff;
        }
        .brand-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .brand-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .brand-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .brand-text p {
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 14px;
            font-size: 15px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
        }
        .faq-item .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item .faq-question.active i {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium);
        }
        .faq-item .faq-answer-content {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-item.open {
            background: #FBF8F3;
        }

        /* ========== 浮动转化条 ========== */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: var(--nav-width);
            right: 0;
            background: var(--color-primary-deeper);
            padding: 14px 24px;
            z-index: 80;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -2px 16px rgba(0,0,0,0.2);
            transform: translateY(100%);
            transition: transform var(--transition-medium);
        }
        .floating-cta-bar.visible {
            transform: translateY(0);
        }
        .floating-cta-bar .bar-text {
            color: rgba(255,255,255,0.85);
            font-size: 14px;
            line-height: 1.5;
        }
        .floating-cta-bar .bar-text strong {
            color: var(--color-accent);
            font-weight: 700;
        }
        .floating-cta-bar .bar-btn {
            background: var(--color-accent);
            color: var(--color-primary-deeper);
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .floating-cta-bar .bar-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .floating-cta-bar .bar-close {
            background: transparent;
            border: none;
            color: rgba(255,255,255,0.5);
            font-size: 18px;
            cursor: pointer;
            padding: 6px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .floating-cta-bar .bar-close:hover {
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deeper);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 32px;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand h3 .highlight {
            color: var(--color-accent);
        }
        .site-footer .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            line-height: 1.8;
        }
        .site-footer .footer-links h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer .footer-links ul {
            list-style: none;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }
        .site-footer .footer-bottom a {
            color: rgba(255,255,255,0.5);
            font-size: 12px;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom .footer-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            :root {
                --nav-width: 0px;
            }
            .app-shell-nav {
                display: none;
            }
            .mobile-top-bar {
                display: flex;
            }
            .off-canvas-content {
                margin-left: 0;
            }
            .floating-cta-bar {
                left: 0;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-countdown-panel {
                max-width: 400px;
            }
            .features-layout {
                grid-template-columns: 1fr;
            }
            .features-scroll-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-timeline {
                grid-template-columns: 1fr;
            }
            .cases-data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .screenshot-stage {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .lead-form-wrapper {
                grid-template-columns: 1fr;
            }
            .campaign-inner {
                grid-template-columns: 1fr;
            }
            .brand-wrapper {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            section {
                padding: 60px 0;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-text h1 {
                font-size: 30px;
            }
            .section-header h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .main-container {
                padding: 0 16px;
            }
            .hero-section .hero-inner {
                padding: 48px 16px;
            }
            .features-scroll-row {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .cases-data-grid {
                grid-template-columns: 1fr;
            }
            .screenshot-stage {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .floating-cta-bar {
                flex-wrap: wrap;
                padding: 12px 16px;
            }
            .floating-cta-bar .bar-text {
                font-size: 12px;
            }
            .floating-cta-bar .bar-btn {
                font-size: 12px;
                padding: 8px 16px;
            }
            section {
                padding: 48px 0;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-data-strip {
                gap: 16px;
            }
            .hero-data-strip .data-number {
                font-size: 22px;
            }
            .countdown-ring {
                width: 120px;
                height: 120px;
            }
            .countdown-ring .ring-text .days {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .hero-text h1 {
                font-size: 22px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 14px;
            }
            .scenario-card {
                flex-direction: column;
                padding: 20px;
            }
            .pricing-card {
                padding: 24px 18px;
            }
            .lead-form-card {
                padding: 24px 18px;
            }
            .campaign-inner {
                gap: 24px;
            }
            .campaign-image img {
                height: 200px;
            }
            .brand-image img {
                height: 220px;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .floating-cta-bar .bar-text {
                font-size: 11px;
            }
            .deep-content-wrapper h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #16352A;
            --color-primary-dark: #0F2A20;
            --color-primary-deeper: #102A20;
            --color-accent: #D4A24E;
            --color-accent-hover: #C08C3A;
            --color-bg: #F7F4EF;
            --color-card: #FFFFFF;
            --color-text: #2A2A2A;
            --color-text-muted: #6B6B6B;
            --color-text-weak: #9A9A9A;
            --color-border: #E4DFD5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(0,0,0,0.08);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.3s ease;
            --nav-width: 240px;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            margin: 0;
        }

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

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

        * {
            box-sizing: border-box;
        }

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-primary-deeper);
            z-index: 100;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) var(--color-primary-deeper);
            transition: transform var(--transition-medium);
        }

        .app-shell-nav .nav-logo {
            padding: 32px 24px 24px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.2);
        }

        .app-shell-nav .nav-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .app-shell-nav .nav-logo .logo-mark {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-size: 22px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .app-shell-nav .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .app-shell-nav .nav-logo .logo-text span {
            font-size: 12px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 2px;
        }

        .nav-menu {
            list-style: none;
            padding: 20px 12px;
            flex: 1;
            margin: 0;
        }

        .nav-menu li {
            margin-bottom: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(212, 162, 78, 0.7);
            transition: color var(--transition-fast);
        }

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

        .nav-menu a:hover i {
            color: var(--color-accent);
        }

        .nav-menu a.active {
            background: rgba(212, 162, 78, 0.12);
            color: #fff;
            border-left-color: var(--color-accent);
        }

        .nav-menu a.active i {
            color: var(--color-accent);
        }

        .nav-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

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

        .mobile-top-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: var(--color-primary-deeper);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }

        .mobile-top-bar .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        .mobile-top-bar .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-weight: 900;
            font-size: 18px;
        }

        .mobile-top-bar .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-top-bar .hamburger-btn:hover {
            background: rgba(255,255,255,0.1);
        }

        .mobile-top-bar .hamburger-btn:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 95;
            opacity: 0;
            transition: opacity var(--transition-medium);
        }

        .drawer-overlay.open {
            display: block;
            opacity: 1;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .page-container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 32px 40px 80px;
            width: 100%;
            flex: 1;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-text-weak);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-text-muted);
            font-weight: 600;
        }

        /* ========== 分类标题区 ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--color-primary-deeper) 0%, var(--color-primary) 55%, #1E4A38 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(212, 162, 78, 0.12);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 300px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: 1px;
            margin: 0 0 16px;
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .category-hero h1 span {
            color: var(--color-accent);
        }

        .category-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            max-width: 650px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        .category-hero .hero-stat strong {
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        /* ========== 文章网格（两栏卡片） ========== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-bottom: 48px;
        }

        .strategy-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-medium);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border);
            position: relative;
        }

        .strategy-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(212, 162, 78, 0.35);
        }

        .strategy-card .card-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
            flex-shrink: 0;
        }

        .strategy-card .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary-deeper);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            border: 1px solid rgba(212, 162, 78, 0.4);
        }

        .strategy-card .card-body {
            padding: 24px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .strategy-card .card-date {
            font-size: 13px;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .strategy-card .card-date i {
            color: var(--color-accent);
            font-size: 13px;
        }

        .strategy-card h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 10px;
            color: var(--color-text);
        }

        .strategy-card h3 a {
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .strategy-card h3 a:hover {
            color: var(--color-primary);
        }

        .strategy-card p {
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }

        .strategy-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .strategy-card .read-more i {
            transition: transform var(--transition-fast);
            font-size: 13px;
        }

        .strategy-card .read-more:hover {
            color: var(--color-accent);
        }

        .strategy-card .read-more:hover i {
            transform: translateX(4px);
        }

        .strategy-card .read-more:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== 分页 ========== */
        .pagination-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .pagination-wrapper .page-item {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-muted);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination-wrapper .page-item:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .pagination-wrapper .page-item.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .pagination-wrapper .page-item.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        .pagination-wrapper .page-item:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== FAQ 区域 ========== */
        .faq-section {
            margin-top: 56px;
            margin-bottom: 48px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }

        .faq-section .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-section .section-title::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 0;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition-fast);
            gap: 16px;
        }

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

        .faq-question i {
            color: var(--color-accent);
            font-size: 16px;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium), padding var(--transition-medium);
            padding: 0 0;
        }

        .faq-answer.open {
            max-height: 260px;
            padding: 0 0 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
            padding-left: 4px;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: var(--color-primary-deeper);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            text-align: left;
            position: relative;
            overflow: hidden;
            margin-top: 40px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: 20%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(212, 162, 78, 0.15);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .cta-section h2 span {
            color: var(--color-accent);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 24px;
            max-width: 600px;
            line-height: 1.8;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-accent);
            color: #fff;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-secondary-light {
            background: transparent;
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-secondary-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .btn-secondary-light:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deeper);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .site-footer .main-container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .footer-brand {
            flex: 1;
            min-width: 260px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand h3 .highlight {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            margin: 0;
            max-width: 360px;
        }

        .footer-links {
            min-width: 160px;
        }

        .footer-links h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            :root {
                --nav-width: 0px;
            }

            .app-shell-nav {
                transform: translateX(-100%);
            }

            .app-shell-nav.open {
                transform: translateX(0);
                width: 240px;
            }

            .mobile-top-bar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
            }

            .page-container {
                padding: 24px 20px 60px;
                max-width: 100%;
            }

            .category-hero {
                padding: 36px 28px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero p {
                font-size: 15px;
            }

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

            .strategy-card .card-image {
                height: 170px;
            }

            .faq-section {
                padding: 32px 24px;
            }

            .cta-section {
                padding: 36px 28px;
            }

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

            .site-footer .main-container {
                padding: 0 24px;
            }
        }

        @media (max-width: 768px) {
            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .strategy-card .card-image {
                height: 200px;
            }

            .page-container {
                padding: 16px 16px 50px;
            }

            .category-hero {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

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

            .category-hero p {
                font-size: 14px;
                line-height: 1.7;
            }

            .category-hero .hero-stats {
                gap: 16px;
                flex-wrap: wrap;
            }

            .breadcrumb {
                font-size: 13px;
                margin-bottom: 20px;
                gap: 6px;
            }

            .strategy-card h3 {
                font-size: 17px;
            }

            .strategy-card p {
                font-size: 13.5px;
            }

            .strategy-card .card-body {
                padding: 18px 18px 16px;
            }

            .faq-section {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .faq-section .section-title {
                font-size: 21px;
                margin-bottom: 20px;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 0;
            }

            .faq-answer p {
                font-size: 14px;
            }

            .cta-section {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

            .cta-section h2 {
                font-size: 21px;
            }

            .cta-section p {
                font-size: 14px;
            }

            .btn-primary, .btn-secondary-light {
                padding: 11px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .btn-group {
                flex-direction: column;
            }

            .footer-top {
                flex-direction: column;
                gap: 24px;
                margin-bottom: 24px;
            }

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

            .footer-bottom .footer-meta {
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (max-width: 480px) {
            body {
                font-size: 15px;
            }

            .page-container {
                padding: 12px 12px 40px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .strategy-card .card-image {
                height: 160px;
            }

            .strategy-card h3 {
                font-size: 16px;
            }

            .strategy-card p {
                font-size: 13px;
            }

            .pagination-wrapper .page-item {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }

            .faq-section {
                padding: 18px 14px;
            }

            .faq-question {
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #16352A;
            --color-primary-dark: #0F2A20;
            --color-primary-deeper: #102A20;
            --color-accent: #D4A24E;
            --color-accent-hover: #C08C3A;
            --color-bg: #F7F4EF;
            --color-card: #FFFFFF;
            --color-text: #2A2A2A;
            --color-text-muted: #6B6B6B;
            --color-text-weak: #9A9A9A;
            --color-border: #E4DFD5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(0,0,0,0.08);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.3s ease;
            --nav-width: 240px;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-primary-deeper);
            z-index: 100;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) var(--color-primary-deeper);
            transition: transform var(--transition-medium);
        }

        .app-shell-nav .nav-logo {
            padding: 32px 24px 24px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.2);
        }

        .app-shell-nav .nav-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .app-shell-nav .nav-logo .logo-mark {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-size: 22px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .app-shell-nav .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .app-shell-nav .nav-logo .logo-text span {
            font-size: 12px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 2px;
        }

        .nav-menu {
            list-style: none;
            padding: 20px 12px;
            flex: 1;
        }

        .nav-menu li {
            margin-bottom: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(212, 162, 78, 0.7);
            transition: color var(--transition-fast);
        }

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

        .nav-menu a:hover i {
            color: var(--color-accent);
        }

        .nav-menu a.active {
            background: rgba(212, 162, 78, 0.12);
            color: #fff;
            border-left-color: var(--color-accent);
        }

        .nav-menu a.active i {
            color: var(--color-accent);
        }

        .nav-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

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

        .mobile-top-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: var(--color-primary-deeper);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }

        .mobile-top-bar .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        .mobile-top-bar .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-weight: 900;
            font-size: 18px;
        }

        .mobile-top-bar .hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            transition: color var(--transition-fast);
        }

        .mobile-top-bar .hamburger:hover {
            color: var(--color-accent);
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 95;
            opacity: 0;
            transition: opacity var(--transition-medium);
        }

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100%;
            background: var(--color-primary-deeper);
            z-index: 96;
            transform: translateX(-100%);
            transition: transform var(--transition-medium);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            z-index: 97;
        }

        .mobile-drawer .nav-logo {
            padding: 24px 20px 16px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.2);
            position: relative;
        }

        .mobile-drawer .nav-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
        }

        .mobile-drawer .nav-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-size: 18px;
            font-weight: 900;
        }

        .mobile-drawer .nav-menu {
            padding: 16px 12px;
        }

        .mobile-drawer .nav-menu a {
            font-size: 15px;
            padding: 12px 16px;
        }

        .mobile-drawer .nav-footer {
            padding: 16px 20px;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrapper {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

        .breadcrumb {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-text-weak);
            font-size: 12px;
        }

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

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

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--color-primary-deeper) 0%, var(--color-primary) 55%, #1a4a38 100%);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: rgba(212, 162, 78, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-tag {
            display: inline-block;
            background: rgba(212, 162, 78, 0.18);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 .highlight {
            color: var(--color-accent);
        }

        .category-hero .hero-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 17px;
            max-width: 650px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            font-family: var(--font-mono);
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.5px;
        }

        /* ========== 分类介绍区 ========== */
        .category-intro {
            padding: 56px 0 48px;
        }

        .category-intro .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .category-intro .intro-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .category-intro .intro-text p {
            color: var(--color-text-muted);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .category-intro .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .intro-feature-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: all var(--transition-fast);
        }

        .intro-feature-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .intro-feature-item i {
            color: var(--color-accent);
            font-size: 20px;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .intro-feature-item .feature-info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .intro-feature-item .feature-info p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 文章列表区 ========== */
        .article-section {
            padding: 48px 0 56px;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .article-section .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-section .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-section .section-head h2::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
            display: inline-block;
        }

        .article-section .section-head .filter-hint {
            font-size: 13px;
            color: var(--color-text-weak);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 20px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .article-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }

        .article-item .article-cover {
            position: relative;
            min-height: 140px;
            overflow: hidden;
        }

        .article-item .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }

        .article-item:hover .article-cover img {
            transform: scale(1.04);
        }

        .article-item .article-cover .cover-badge {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(16, 42, 32, 0.85);
            color: #fff;
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }

        .article-item .article-body {
            padding: 18px 20px 18px 0;
            display: flex;
            flex-direction: column;
        }

        .article-item .article-date {
            font-size: 12px;
            color: var(--color-text-weak);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-item .article-date i {
            font-size: 12px;
        }

        .article-item .article-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .article-item:hover .article-title {
            color: var(--color-primary);
        }

        .article-item .article-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .article-item .read-more-btn {
            align-self: flex-start;
            background: none;
            border: none;
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .article-item .read-more-btn i {
            font-size: 13px;
            transition: transform var(--transition-fast);
        }

        .article-item .read-more-btn:hover {
            color: var(--color-accent-hover);
        }

        .article-item .read-more-btn:hover i {
            transform: translateX(4px);
        }

        /* ========== 侧边栏 ========== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h3 i {
            color: var(--color-accent);
            font-size: 15px;
        }

        .sidebar-widget .hot-article-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--color-border);
            align-items: flex-start;
        }

        .sidebar-widget .hot-article-item:last-child {
            border-bottom: none;
        }

        .sidebar-widget .hot-article-item .hot-num {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            flex-shrink: 0;
            line-height: 1.3;
            min-width: 24px;
        }

        .sidebar-widget .hot-article-item .hot-info h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 2px;
        }

        .sidebar-widget .hot-article-item .hot-info h4 a {
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .sidebar-widget .hot-article-item .hot-info h4 a:hover {
            color: var(--color-accent);
        }

        .sidebar-widget .hot-article-item .hot-info span {
            font-size: 11px;
            color: var(--color-text-weak);
        }

        .sidebar-widget .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-widget .tag-cloud a {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            padding: 5px 12px;
            font-size: 12px;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
        }

        .sidebar-widget .tag-cloud a:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .sidebar-widget .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .sidebar-widget .subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            outline: none;
            transition: all var(--transition-fast);
            background: var(--color-card);
        }

        .sidebar-widget .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(22, 53, 42, 0.1);
        }

        .sidebar-widget .subscribe-form button {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast);
            white-space: nowrap;
        }

        .sidebar-widget .subscribe-form button:hover {
            background: var(--color-primary-dark);
        }

        .sidebar-widget .subscribe-form button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== 数据统计展示区 ========== */
        .data-showcase {
            padding: 56px 0;
            background: var(--color-bg);
        }

        .data-showcase .showcase-head {
            text-align: left;
            margin-bottom: 32px;
        }

        .data-showcase .showcase-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .data-showcase .showcase-head h2::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
            display: inline-block;
        }

        .data-showcase .showcase-head p {
            color: var(--color-text-muted);
            font-size: 15px;
            max-width: 600px;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: center;
            transition: all var(--transition-fast);
        }

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

        .data-card .data-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(22, 53, 42, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--color-primary);
            font-size: 20px;
        }

        .data-card .data-value {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-card .data-label {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== FAQ区 ========== */
        .faq-section {
            padding: 56px 0;
            background: var(--color-card);
        }

        .faq-section .faq-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-section .faq-head h2::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
            display: inline-block;
        }

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

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-card);
        }

        .faq-question {
            background: var(--color-card);
            border: none;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            background: #FDFBF7;
            color: var(--color-primary);
        }

        .faq-question:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }

        .faq-question i {
            color: var(--color-accent);
            font-size: 14px;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium);
            background: #FDFBF7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 16px 20px 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--color-border);
        }

        /* ========== CTA区 ========== */
        .cta-section {
            padding: 56px 0;
            background: linear-gradient(135deg, var(--color-primary-deeper) 0%, var(--color-primary) 60%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 260px;
            height: 260px;
            background: rgba(212, 162, 78, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

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

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary-deeper);
            border: none;
            border-radius: var(--radius-sm);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary-deeper);
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: 3px solid rgba(212, 162, 78, 0.4);
            outline-offset: 2px;
        }

        .btn-secondary-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-secondary-light:focus {
            outline: 2px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deeper);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: auto;
        }

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

        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-brand h3 .highlight {
            color: var(--color-accent);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 360px;
        }

        .site-footer .footer-links h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-links ul {
            list-style: none;
        }

        .site-footer .footer-links ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-links ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer .footer-bottom .footer-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --nav-width: 0px;
            }

            .app-shell-nav {
                transform: translateX(-100%);
            }

            .mobile-top-bar {
                display: flex;
            }

            .mobile-drawer-overlay {
                display: block;
            }

            .main-content {
                margin-left: 0;
            }

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

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

            .category-intro .intro-grid {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .category-hero {
                padding: 48px 0 40px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stat .stat-num {
                font-size: 26px;
            }

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

            .article-item .article-cover {
                min-height: 180px;
            }

            .article-item .article-body {
                padding: 16px 18px;
            }

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

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

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

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .category-intro .intro-features {
                grid-template-columns: 1fr;
            }

            .main-container {
                padding: 0 16px;
            }
        }

        @media (max-width: 480px) {
            body {
                font-size: 15px;
            }

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

            .category-hero .hero-desc {
                font-size: 15px;
            }

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

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

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

            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #16352A;
            --color-primary-dark: #0F2A20;
            --color-primary-deeper: #102A20;
            --color-accent: #D4A24E;
            --color-accent-hover: #C08C3A;
            --color-bg: #F7F4EF;
            --color-card: #FFFFFF;
            --color-text: #2A2A2A;
            --color-text-muted: #6B6B6B;
            --color-text-weak: #9A9A9A;
            --color-border: #E4DFD5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.3s ease;
            --nav-width: 240px;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .off-canvas-wrapper {
            min-height: 100vh;
        }

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-primary-deeper);
            z-index: 100;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) var(--color-primary-deeper);
            transition: transform var(--transition-medium);
        }

        .app-shell-nav .nav-logo {
            padding: 32px 24px 24px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.2);
        }

        .app-shell-nav .nav-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .app-shell-nav .nav-logo .logo-mark {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-size: 22px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .app-shell-nav .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .app-shell-nav .nav-logo .logo-text span {
            font-size: 12px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 2px;
        }

        .nav-menu {
            list-style: none;
            padding: 20px 12px;
            flex: 1;
            margin: 0;
        }

        .nav-menu li {
            margin-bottom: 4px;
        }

        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(212, 162, 78, 0.7);
            transition: color var(--transition-fast);
        }

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

        .nav-menu a:hover i {
            color: var(--color-accent);
        }

        .nav-menu a.active {
            background: rgba(212, 162, 78, 0.12);
            color: #fff;
            border-left-color: var(--color-accent);
        }

        .nav-menu a.active i {
            color: var(--color-accent);
        }

        .nav-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

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

        .mobile-top-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: var(--color-primary-deeper);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .mobile-top-bar .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }

        .mobile-top-bar .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-weight: 900;
            font-size: 18px;
        }

        .hamburg-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background var(--transition-fast);
        }

        .hamburg-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 95;
            opacity: 0;
            transition: opacity var(--transition-medium);
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== 主内容区 ========== */
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
            margin-bottom: 0;
        }

        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '›';
            color: var(--color-text-weak);
            margin-left: 4px;
        }

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

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

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

        /* ========== 分类页 Hero ========== */
        .category-hero {
            background: var(--color-primary-deeper);
            position: relative;
            overflow: hidden;
            padding: 72px 0 64px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(212, 162, 78, 0.06);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 30%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(22, 53, 42, 0.3);
            pointer-events: none;
        }

        .category-hero .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 162, 78, 0.15);
            color: var(--color-accent);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            color: #fff;
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-sub {
            color: rgba(255, 255, 255, 0.72);
            font-size: 17px;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== 区块标题 ========== */
        .section-head {
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-head .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            display: inline-block;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin: 0 0 12px;
        }

        .section-head p {
            color: var(--color-text-muted);
            font-size: 16px;
            margin: 0;
        }

        /* ========== 正文内容区 ========== */
        .content-section {
            padding: 64px 0;
            background: var(--color-bg);
        }

        .content-section.alt-section {
            background: #fff;
        }

        .content-section.dark-section {
            background: var(--color-primary-deeper);
            color: #fff;
        }

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

        .content-section.dark-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .content-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: all var(--transition-medium);
            border: 1px solid var(--color-border);
            height: 100%;
        }

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

        /* ========== 首篇大图横排布局 ========== */
        .featured-intel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            margin-bottom: 40px;
        }

        .featured-intel .featured-image {
            min-height: 360px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .featured-intel .featured-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(16, 42, 32, 0.7), transparent);
            pointer-events: none;
        }

        .featured-intel .featured-image .featured-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--color-accent);
            color: var(--color-primary-deeper);
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            z-index: 1;
        }

        .featured-intel .featured-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
        }

        .featured-intel .featured-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            color: var(--color-text-weak);
            font-size: 13px;
            margin-bottom: 12px;
        }

        .featured-intel .featured-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .featured-intel .featured-desc {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.8;
            flex: 1;
        }

        .featured-intel .read-more-btn {
            align-self: flex-start;
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 15px;
            transition: gap var(--transition-fast);
        }

        .featured-intel .read-more-btn:hover {
            gap: 12px;
            color: var(--color-accent-hover);
        }

        /* ========== 情报列表 ========== */
        .intel-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .intel-list .intel-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: 14px;
            transition: all var(--transition-fast);
        }

        .intel-list .intel-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
            border-color: var(--color-accent);
        }

        .intel-list .intel-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .intel-list .intel-item .intel-date {
            font-size: 12px;
            color: var(--color-text-weak);
            margin-bottom: 4px;
            font-family: var(--font-mono);
        }

        .intel-list .intel-item .intel-item-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .intel-list .intel-item .intel-item-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .intel-list .intel-item .arrow-link {
            color: var(--color-accent);
            font-size: 18px;
            align-self: center;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .intel-list .intel-item:hover .arrow-link {
            transform: translateX(4px);
        }

        /* ========== 标签 ========== */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 50px;
            font-size: 13px;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            background: rgba(212, 162, 78, 0.06);
        }

        .tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        /* ========== 场景步骤 ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-medium);
            position: relative;
        }

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

        .scene-card .scene-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 16px;
            font-family: var(--font-mono);
        }

        .scene-card .scene-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .scene-card .scene-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(22, 53, 42, 0.04);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            font-size: 16px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium);
        }

        .faq-answer p {
            padding: 0 24px 20px;
            margin: 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-muted);
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            background: var(--color-primary-deeper);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(212, 162, 78, 0.05);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 162, 78, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-secondary:hover {
            background: rgba(22, 53, 42, 0.08);
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-primary-deeper);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            border: 2px solid var(--color-accent);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-light:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary-deeper);
            box-shadow: 0 4px 20px rgba(212, 162, 78, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212, 162, 78, 0.08);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deeper);
            color: #fff;
            padding: 64px 0 24px;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }

        .footer-brand h3 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand h3 .highlight {
            color: var(--color-accent);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin: 0;
        }

        .footer-links h4 {
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        /* ========== Focus 状态可访问性 ========== */
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        a:focus:not(:focus-visible),
        button:focus:not(:focus-visible) {
            outline: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            :root {
                --nav-width: 0px;
            }

            .app-shell-nav {
                transform: translateX(-100%);
                width: 280px;
            }

            .app-shell-nav.drawer-open {
                transform: translateX(0);
            }

            .mobile-top-bar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .featured-intel {
                grid-template-columns: 1fr;
            }

            .featured-intel .featured-image {
                min-height: 240px;
            }

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

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

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

        @media (max-width: 768px) {
            .content-section {
                padding: 48px 0;
            }

            .category-hero {
                padding: 48px 0 40px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero .hero-sub {
                font-size: 15px;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat .stat-num {
                font-size: 22px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .featured-intel .featured-body {
                padding: 24px;
            }

            .featured-intel .featured-title {
                font-size: 20px;
            }

            .intel-list .intel-item {
                flex-direction: column;
                padding: 16px;
            }

            .intel-list .intel-thumb {
                width: 100%;
                height: 160px;
            }

            .intel-list .intel-item .arrow-link {
                align-self: flex-start;
            }

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

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

        @media (max-width: 480px) {
            .main-container {
                padding: 0 16px;
            }

            .content-card {
                padding: 20px;
            }

            .category-hero h1 {
                font-size: 23px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .section-head h2 {
                font-size: 21px;
            }

            .featured-intel .featured-image {
                min-height: 180px;
            }

            .featured-intel .featured-body {
                padding: 20px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary,
            .btn-secondary,
            .btn-light,
            .btn-outline-light {
                width: 100%;
                max-width: 300px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #16352A;
            --color-primary-dark: #0F2A20;
            --color-primary-deeper: #102A20;
            --color-accent: #D4A24E;
            --color-accent-hover: #C08C3A;
            --color-bg: #F7F4EF;
            --color-card: #FFFFFF;
            --color-text: #2A2A2A;
            --color-text-muted: #6B6B6B;
            --color-text-weak: #9A9A9A;
            --color-border: #E4DFD5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 6px 24px rgba(0,0,0,0.08);
            --transition-fast: 0.2s ease;
            --transition-medium: 0.3s ease;
            --nav-width: 240px;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== App Shell 导航 ========== */
        .app-shell-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-primary-deeper);
            z-index: 200;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(212, 162, 78, 0.4) rgba(0,0,0,0.2);
            transition: transform var(--transition-medium);
        }
        .app-shell-nav .nav-logo {
            padding: 30px 20px 22px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.22);
        }
        .app-shell-nav .nav-logo a {
            display: flex;
            align-items: center;
            gap: 11px;
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .app-shell-nav .nav-logo a:hover {
            color: #fff;
        }
        .app-shell-nav .nav-logo .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .app-shell-nav .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .app-shell-nav .nav-logo .logo-text .logo-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }
        .app-shell-nav .nav-logo .logo-text .logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 2px;
        }
        .nav-menu {
            list-style: none;
            padding: 18px 12px;
            margin: 0;
            flex: 1;
        }
        .nav-menu li {
            margin-bottom: 4px;
        }
        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            line-height: 1.4;
        }
        .nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: rgba(212, 162, 78, 0.7);
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .nav-menu a:hover i {
            color: var(--color-accent);
        }
        .nav-menu a.active {
            background: rgba(212, 162, 78, 0.13);
            color: #fff;
            border-left-color: var(--color-accent);
        }
        .nav-menu a.active i {
            color: var(--color-accent);
        }
        .nav-footer {
            padding: 14px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-footer a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }
        .nav-footer a:hover {
            color: var(--color-accent);
        }
        /* ========== 移动端顶部栏 ========== */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 150;
            background: var(--color-primary-deeper);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 10px rgba(0,0,0,0.35);
        }
        .mobile-top-bar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            color: #fff;
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }
        .mobile-top-bar .mobile-brand .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-deeper);
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }
        .mobile-top-bar .hamburger-btn {
            width: 42px;
            height: 42px;
            border: none;
            background: transparent;
            color: #fff;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-top-bar .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 180;
            opacity: 0;
            transition: opacity var(--transition-medium);
        }
        .drawer-overlay.visible {
            opacity: 1;
        }
        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-medium);
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb-bar .main-container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .breadcrumb-bar a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-bar .sep {
            color: var(--color-text-weak);
        }
        .breadcrumb-bar .current {
            color: var(--color-accent);
            font-weight: 600;
        }
        /* ========== Hero 区 ========== */
        .hero-odds {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 80px 0 72px;
        }
        .hero-odds::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(16, 42, 32, 0.88) 0%, rgba(22, 53, 42, 0.72) 45%, rgba(16, 42, 32, 0.55) 100%);
        }
        .hero-odds .main-container {
            position: relative;
            z-index: 2;
        }
        .hero-odds-inner {
            display: grid;
            grid-template-columns: 1fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-odds-copy .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 162, 78, 0.18);
            border: 1px solid rgba(212, 162, 78, 0.45);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-odds-copy .hero-badge i {
            font-size: 12px;
        }
        .hero-odds-copy h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 900;
            line-height: 1.22;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .hero-odds-copy h1 .accent-word {
            color: var(--color-accent);
        }
        .hero-odds-copy .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            line-height: 1.5;
            text-align: center;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 1px var(--color-accent);
        }
        .btn-accent {
            background: var(--color-accent);
            color: var(--color-primary-deeper);
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: var(--color-accent);
        }
        .hero-cta-group .btn {
            border: 1.5px solid transparent;
        }
        .hero-cta-group .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.45);
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.3;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.5px;
        }
        .hero-visual-panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
        }
        .hero-visual-panel .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-visual-panel .panel-title {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-visual-panel .panel-title i {
            color: var(--color-accent);
        }
        .hero-visual-panel .panel-hot-badge {
            background: rgba(212, 162, 78, 0.22);
            color: var(--color-accent);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
        }
        .odds-ticker-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .odds-ticker-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            color: rgba(255, 255, 255, 0.82);
            font-size: 14px;
        }
        .odds-ticker-list li:last-child {
            border-bottom: none;
        }
        .odds-ticker-list .team-name {
            font-weight: 600;
            color: #fff;
        }
        .odds-ticker-list .odds-change {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 14px;
        }
        .odds-ticker-list .odds-up {
            color: #7DC69A;
        }
        .odds-ticker-list .odds-down {
            color: #E89A8A;
        }
        /* ========== 区块通用 ========== */
        .section-block {
            padding: 76px 0;
        }
        .section-block.alt-bg {
            background: #fff;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-header h2::before {
            content: '';
            width: 5px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-header p {
            color: var(--color-text-muted);
            font-size: 16px;
            margin: 0;
            max-width: 600px;
        }
        /* ========== 卖点区 ========== */
        .feature-split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 36px;
        }
        .feature-split-grid:last-child {
            margin-bottom: 0;
        }
        .feature-split-grid .feature-copy h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            line-height: 1.35;
        }
        .feature-split-grid .feature-copy p {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.85;
            margin: 0 0 16px;
        }
        .feature-copy .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .feature-tags .tag {
            background: rgba(22, 53, 42, 0.08);
            color: var(--color-primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .feature-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: transform var(--transition-medium);
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-image .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 18px 20px;
            background: linear-gradient(transparent, rgba(16, 42, 32, 0.85));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
        }
        /* ========== 深度内容区 ========== */
        .deep-content-zone {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 44px 44px 40px;
            margin-top: 16px;
        }
        .deep-content-zone h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 18px;
            line-height: 1.4;
        }
        .deep-content-zone p {
            color: var(--color-text);
            font-size: 16px;
            line-height: 1.9;
            margin: 0 0 18px;
        }
        .deep-content-zone blockquote {
            margin: 24px 0;
            padding: 16px 20px;
            border-left: 4px solid var(--color-accent);
            background: rgba(212, 162, 78, 0.07);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-muted);
            font-style: normal;
            font-size: 15px;
            line-height: 1.8;
        }
        .deep-content-zone .mini-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 8px;
            font-size: 14px;
        }
        .deep-content-zone .mini-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 10px 14px;
            text-align: left;
            border: 1px solid var(--color-primary-dark);
        }
        .deep-content-zone .mini-table td {
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
        }
        .deep-content-zone .mini-table tr:nth-child(even) td {
            background: rgba(247, 244, 239, 0.6);
        }
        /* ========== 适用场景 ========== */
        .scene-timeline {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .scene-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 24px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(212, 162, 78, 0.4);
        }
        .scene-card:hover::before {
            opacity: 1;
        }
        .scene-card .scene-icon {
            width: 44px;
            height: 44px;
            background: rgba(22, 53, 42, 0.08);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .scene-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.75;
        }
        /* ========== 分析流程 ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            counter-reset: step-counter;
        }
        .process-step {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 20px 20px;
            text-align: center;
            position: relative;
            transition: all var(--transition-fast);
        }
        .process-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(22, 53, 42, 0.25);
        }
        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-family: var(--font-mono);
        }
        .process-step h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .process-step p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.65;
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(22, 53, 42, 0.25);
        }
        .faq-item.open {
            border-color: rgba(22, 53, 42, 0.35);
            box-shadow: var(--shadow-card);
        }
        .faq-item .faq-question {
            width: 100%;
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: background var(--transition-fast);
            line-height: 1.5;
        }
        .faq-item .faq-question:hover {
            background: rgba(22, 53, 42, 0.04);
        }
        .faq-item.open .faq-question {
            background: rgba(22, 53, 42, 0.05);
            color: var(--color-primary);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(22, 53, 42, 0.08);
            color: var(--color-primary);
            font-size: 12px;
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: var(--color-primary-deeper);
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-muted);
            border-top: 1px solid rgba(228, 223, 213, 0.6);
            margin-top: 0;
        }
        .faq-item.open .faq-answer {
            display: block;
            padding-top: 16px;
        }
        /* ========== CTA 区 ========== */
        .cta-zone {
            background: var(--color-primary-deeper);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-zone::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-zone .main-container {
            position: relative;
            z-index: 2;
        }
        .cta-zone h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 14px;
            line-height: 1.3;
        }
        .cta-zone p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 16px;
            margin: 0 0 28px;
            line-height: 1.8;
        }
        .cta-zone .btn {
            font-size: 16px;
            padding: 14px 32px;
        }
        .cta-zone .btn-accent {
            border: 1.5px solid transparent;
        }
        .cta-zone .btn-accent:hover {
            border-color: #fff;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deeper);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-brand h3 .highlight {
            color: var(--color-accent);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 360px;
        }
        .site-footer .footer-links h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 14px;
        }
        .site-footer .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }
        .site-footer .footer-links ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom .footer-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }
        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .app-shell-nav {
                transform: translateX(-100%);
                width: 260px;
            }
            .app-shell-nav.open {
                transform: translateX(0);
            }
            .mobile-top-bar {
                display: flex;
            }
            .drawer-overlay.visible {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .hero-odds-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-odds-copy h1 {
                font-size: 32px;
            }
            .hero-visual-panel {
                padding: 24px 20px;
            }
            .feature-split-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-image img {
                height: 220px;
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section-block {
                padding: 56px 0;
            }
        }
        @media (max-width: 767px) {
            .hero-odds-copy h1 {
                font-size: 26px;
            }
            .hero-odds {
                min-height: auto;
                padding: 48px 0 44px;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat .stat-value {
                font-size: 20px;
            }
            .scene-timeline {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .process-step {
                padding: 18px 14px 16px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header h2::before {
                height: 26px;
            }
            .deep-content-zone {
                padding: 28px 20px 26px;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .site-footer .footer-bottom .footer-meta {
                flex-direction: column;
                gap: 6px;
            }
            .main-container {
                padding: 0 16px;
            }
            .breadcrumb-bar .main-container {
                font-size: 13px;
            }
            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
            .section-block {
                padding: 44px 0;
            }
        }
        @media (max-width: 519px) {
            body {
                font-size: 15px;
                line-height: 1.8;
            }
            .hero-odds-copy h1 {
                font-size: 22px;
                letter-spacing: 0;
            }
            .hero-odds-copy .hero-subtitle {
                font-size: 15px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .process-step {
                display: flex;
                align-items: center;
                text-align: left;
                gap: 14px;
                padding: 14px 16px;
            }
            .process-step .step-number {
                margin: 0;
                width: 38px;
                height: 38px;
                font-size: 16px;
                flex-shrink: 0;
            }
            .process-step h5 {
                margin-bottom: 2px;
            }
            .cta-zone h2 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .feature-image img {
                height: 180px;
            }
            .deep-content-zone h3 {
                font-size: 18px;
            }
            .deep-content-zone p {
                font-size: 15px;
            }
        }