/* roulang page: index */
:root {
            --bg-base: #0A0E14;
            --bg-deep: #06090D;
            --bg-surface: #121824;
            --bg-card: #1A2232;
            --bg-card-hover: #222C40;
            --primary: #00E676;
            --primary-glow: rgba(0, 230, 118, 0.35);
            --primary-border: rgba(0, 230, 118, 0.2);
            --accent: #FF5722;
            --accent-glow: rgba(255, 87, 34, 0.35);
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --text-dim: #64748B;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --sidebar-width: 260px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-full: 9999px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            background-color: var(--bg-base);
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 1.75;
            letter-spacing: 0.02em;
            overflow-x: hidden;
            display: flex;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-smooth);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input {
            font-family: inherit;
        }

        /* 布局容器与左侧垂直导航 */
        .app-layout {
            display: flex;
            width: 100%;
            min-height: 100vh;
            position: relative;
        }

        /* 侧边导航栏 (桌面端) */
        .sidebar-dock {
            width: var(--sidebar-width);
            height: 100vh;
            position: fixed;
            top: 0;
            left: 0;
            background-color: #0D1117;
            border-right: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            z-index: 1000;
            padding: 24px 16px;
            box-sizing: border-box;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 24px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, #00B0FF 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000000;
            font-size: 20px;
            box-shadow: 0 4px 14px var(--primary-glow);
        }

        .logo-text-group {
            display: flex;
            flex-direction: column;
        }

        .logo-title {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo-badge {
            background-color: var(--accent);
            color: #FFFFFF;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 4px;
            animation: pulse-badge 2s infinite;
        }

        .logo-subtitle {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.8; transform: scale(0.96); }
        }

        .sidebar-menu {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-top: 20px;
            flex-grow: 1;
            overflow-y: auto;
        }

        .sidebar-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-smooth);
            border-left: 3px solid transparent;
        }

        .sidebar-item:hover, .sidebar-item.active {
            color: var(--primary);
            background-color: rgba(0, 230, 118, 0.08);
            border-left-color: var(--primary);
        }

        .sidebar-item svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
            opacity: 0.85;
        }

        .sidebar-status-panel {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 14px;
            font-size: 12px;
        }

        .status-indicator {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .indicator-dot {
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--primary);
            animation: pulse-badge 1.8s infinite;
        }

        /* 移动端顶栏 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: #0D1117;
            border-bottom: 1px solid var(--border-subtle);
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            z-index: 1050;
        }

        .mobile-hamburger {
            background: none;
            border: none;
            color: #FFFFFF;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #0D1117;
            padding: 24px;
            display: none;
            flex-direction: column;
            gap: 12px;
            z-index: 1040;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        /* 主体内容右侧区域 */
        .content-main-flow {
            margin-left: var(--sidebar-width);
            width: calc(100% - var(--sidebar-width));
            min-height: 100vh;
            background-color: var(--bg-base);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        /* 通用板块与栅格系统 */
        .content-section {
            padding: 80px 48px;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .content-section:nth-child(even) {
            background-color: rgba(18, 24, 36, 0.45);
        }

        .container-fluid {
            max-width: 1280px;
            margin: 0 auto;
            width: 100%;
        }

        .section-header-block {
            margin-bottom: 48px;
            max-width: 860px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background-color: rgba(0, 230, 118, 0.1);
            border: 1px solid var(--primary-border);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-tag.accent-style {
            background-color: rgba(255, 87, 34, 0.1);
            border-color: rgba(255, 87, 34, 0.25);
            color: var(--accent);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 按钮与交互控件 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, #00E676 0%, #00C853 100%);
            color: #041009;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px var(--primary-glow);
            transition: var(--transition-smooth);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 26px rgba(0, 230, 118, 0.45);
            background: linear-gradient(135deg, #18FF8A 0%, #00E676 100%);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, #FF5722 0%, #E64A19 100%);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px var(--accent-glow);
            transition: var(--transition-smooth);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 26px rgba(255, 87, 34, 0.45);
        }

        .btn-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background-color: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            backdrop-filter: blur(10px);
            transition: var(--transition-smooth);
        }

        .btn-glass:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* 板块 1: Hero 检索与核心号召 */
        .hero-section {
            padding: 90px 48px 80px 48px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 230, 118, 0.12) 0%, transparent 60%),
                        radial-gradient(circle at 10% 80%, rgba(255, 87, 34, 0.08) 0%, transparent 50%),
                        linear-gradient(180deg, #0A0E14 0%, #121824 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-banner-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            object-fit: cover;
            opacity: 0.16;
            mask-image: linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
            pointer-events: none;
        }

        .hero-content-wrapper {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .hero-h1 {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.03em;
            margin-bottom: 22px;
            color: #FFFFFF;
        }

        .hero-h1 span.highlight {
            color: var(--primary);
            text-shadow: 0 0 25px rgba(0, 230, 118, 0.3);
        }

        .hero-lead-text {
            font-size: 17px;
            color: #CBD5E1;
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 760px;
        }

        /* 帮助检索与热门赛事实时检索槽 */
        .hero-search-box {
            background-color: rgba(26, 34, 50, 0.85);
            border: 1px solid rgba(0, 230, 118, 0.3);
            border-radius: var(--radius-md);
            padding: 8px 12px 8px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            margin-bottom: 20px;
            backdrop-filter: blur(12px);
        }

        .hero-search-input {
            flex-grow: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #FFFFFF;
            font-size: 15px;
        }

        .hero-search-input::placeholder {
            color: #64748B;
        }

        .hot-chips-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .hot-label {
            font-size: 13px;
            color: var(--text-dim);
            font-weight: 600;
        }

        .chip-pill {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            font-size: 13px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            transition: var(--transition-smooth);
        }

        .chip-pill:hover {
            color: var(--primary);
            border-color: var(--primary-border);
            background-color: rgba(0, 230, 118, 0.06);
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-meta-badges {
            display: flex;
            align-items: center;
            gap: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
        }

        .meta-stat-item {
            display: flex;
            flex-direction: column;
        }

        .meta-stat-val {
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
        }

        .meta-stat-val span {
            color: var(--primary);
            font-size: 14px;
            margin-left: 2px;
        }

        .meta-stat-lbl {
            font-size: 12px;
            color: var(--text-dim);
        }

        /* 板块 2: 卖点三连排 */
        .features-grid-trio {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            position: relative;
            transition: var(--transition-smooth);
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-border);
            box-shadow: 0 16px 36px rgba(0, 230, 118, 0.12);
        }

        .feature-icon-wrapper {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background-color: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            color: var(--primary);
        }

        .feature-icon-wrapper.accent-mode {
            background-color: rgba(255, 87, 34, 0.1);
            color: var(--accent);
        }

        .feature-title {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .feature-detail {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-metric-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background-color: rgba(0, 230, 118, 0.06);
            padding: 4px 10px;
            border-radius: 6px;
            border: 1px solid rgba(0, 230, 118, 0.15);
        }

        /* 板块 3: 技术架构展示区 */
        .arch-layout-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .arch-visual-frame {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }

        .arch-specs-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .spec-item-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .spec-badge-digit {
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            background: rgba(0, 230, 118, 0.1);
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .spec-text-h4 {
            font-size: 17px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .spec-text-p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块 4: 全场景赛事演示 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
        }

        .scenario-cover {
            height: 190px;
            width: 100%;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }

        .scenario-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .scenario-name {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .scenario-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
            flex-grow: 1;
        }

        /* 板块 5: 客户端终端矩阵 */
        .matrix-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .matrix-unit {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .matrix-unit.featured {
            border-color: var(--primary-border);
            box-shadow: 0 10px 30px rgba(0, 230, 118, 0.1);
        }

        .matrix-os-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .matrix-app-title {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .matrix-specs-meta {
            font-size: 13px;
            color: var(--text-dim);
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
        }

        .matrix-desc-body {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        /* 板块 6: 六维技术优势网格 */
        .tech-hexagon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tech-grid-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition-smooth);
        }

        .tech-grid-item:hover {
            border-color: var(--primary-border);
            background-color: var(--bg-card-hover);
        }

        .tech-item-h3 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .tech-item-h3 svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
        }

        .tech-item-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 板块 7: 深度对比表格 */
        .comparison-table-wrapper {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 15px;
        }

        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .comparison-table th {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--text-dim);
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
        }

        .comparison-table td.col-brand {
            color: var(--primary);
            font-weight: 700;
            background-color: rgba(0, 230, 118, 0.04);
        }

        .status-check-tag {
            color: var(--primary);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .status-cross-tag {
            color: #EF4444;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 板块 8: 数据指标条 */
        .telemetry-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: linear-gradient(135deg, rgba(26, 34, 50, 0.9) 0%, rgba(18, 24, 36, 0.9) 100%);
            border: 1px solid var(--primary-border);
            border-radius: var(--radius-lg);
            padding: 44px 32px;
        }

        .telemetry-node {
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            padding-right: 20px;
        }

        .telemetry-node:last-child {
            border-right: none;
            padding-right: 0;
        }

        .telemetry-value {
            font-size: 38px;
            font-weight: 900;
            color: #FFFFFF;
            line-height: 1.1;
            margin-bottom: 6px;
            font-family: -apple-system, sans-serif;
        }

        .telemetry-value span {
            color: var(--primary);
            font-size: 22px;
        }

        .telemetry-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 板块 9: 深度实测故事 */
        .stories-split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .story-block {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .story-photo-top {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .story-text-pane {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .story-author-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .story-avatar-initial {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .story-author-name {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
        }

        .story-author-tag {
            font-size: 12px;
            color: var(--text-dim);
        }

        .story-quote-p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            font-style: normal;
        }

        /* 板块 10: 用户口碑评测 */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .social-review-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .star-rating-row {
            color: #FFB300;
            font-size: 16px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .review-para {
            font-size: 14px;
            color: #CBD5E1;
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .reviewer-meta {
            font-size: 12px;
            color: var(--text-dim);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 14px;
            display: flex;
            justify-content: space-between;
        }

        /* 板块 11: 赛事资讯与版本快报 */
        .news-express-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .news-bulletin-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }

        .news-bulletin-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }

        .bulletin-badge {
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .bulletin-headline {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .bulletin-brief {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 16px;
        }

        .bulletin-date {
            font-size: 11px;
            color: var(--text-dim);
        }

        /* 板块 12: FAQ 常见疑问 */
        .faq-accordion-container {
            max-width: 920px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        .faq-item summary {
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            outline: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-toggle-icon {
            color: var(--primary);
            font-size: 18px;
            transition: transform 0.2s ease;
        }

        .faq-item[open] .faq-toggle-icon {
            transform: rotate(45deg);
        }

        .faq-content-body {
            padding: 0 26px 24px 26px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 16px;
        }

        /* 板块 13: 安全合规保障 */
        .guarantee-linear-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guarantee-unit-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .guarantee-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: rgba(0, 230, 118, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .guarantee-h4 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
        }

        .guarantee-p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块 14: 底部冲刺行动区 */
        .bottom-cta-banner {
            padding: 100px 48px;
            position: relative;
            background: linear-gradient(180deg, #0A0E14 0%, #06090D 100%);
            overflow: hidden;
            border-top: 1px solid var(--primary-border);
        }

        .bottom-cta-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-center-box {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-headline {
            font-size: 38px;
            font-weight: 900;
            color: #FFFFFF;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .cta-headline span {
            color: var(--primary);
        }

        .cta-description {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .cta-buttons-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: var(--sidebar-width);
            right: 0;
            height: 64px;
            background: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(0, 230, 118, 0.25);
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            z-index: 990;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .bar-left-info {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .bar-match-pill {
            background-color: rgba(255, 87, 34, 0.15);
            border: 1px solid rgba(255, 87, 34, 0.3);
            color: var(--accent);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .bar-match-title {
            font-size: 14px;
            color: #FFFFFF;
            font-weight: 600;
        }

        .bar-right-act {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #06090D;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 48px 100px 48px;
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.8;
        }

        .footer-content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand-title {
            font-size: 18px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-list a {
            color: var(--text-muted);
            transition: var(--transition-smooth);
        }

        .footer-links-list a:hover {
            color: var(--primary);
        }

        .footer-bottom-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            color: var(--text-dim);
            font-size: 12px;
        }

        /* 响应式断点控制 */
        @media (max-width: 1200px) {
            .features-grid-trio,
            .scenarios-grid,
            .matrix-cards-grid,
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-express-grid,
            .guarantee-linear-row,
            .telemetry-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .telemetry-node:nth-child(2) {
                border-right: none;
            }
        }

        @media (max-width: 1023px) {
            .sidebar-fixed-dock {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .content-main-flow {
                margin-left: 0;
                width: 100%;
                padding-top: 64px;
            }
            .sticky-bottom-bar {
                left: 0;
                padding: 0 16px;
            }
            .bar-match-title {
                display: none;
            }
            .content-section, .hero-section, .bottom-cta-banner, .site-footer {
                padding: 60px 24px;
            }
            .arch-layout-grid,
            .stories-split-grid,
            .footer-content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 640px) {
            .features-grid-trio,
            .scenarios-grid,
            .matrix-cards-grid,
            .tech-hexagon-grid,
            .social-proof-grid,
            .news-express-grid,
            .guarantee-linear-row,
            .telemetry-strip-grid {
                grid-template-columns: 1fr;
            }
            .telemetry-node {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-bottom: 16px;
                padding-right: 0;
            }
            .telemetry-node:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            .hero-h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-headline {
                font-size: 26px;
            }
            .hero-cta-group, .cta-buttons-center {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group button, .hero-cta-group a,
            .cta-buttons-center button, .cta-buttons-center a {
                width: 100%;
            }
            .hero-meta-badges {
                flex-wrap: wrap;
                gap: 16px;
            }
        }
