/* roulang page: index */
:root {
            --primary: #00D285;
            --primary-hover: #00B371;
            --primary-glow: rgba(0, 210, 133, 0.28);
            --accent: #FF6B00;
            --accent-hover: #E55A00;
            --bg-dark: #0E1318;
            --bg-dark-card: #161D24;
            --bg-light: #F4F7F6;
            --bg-white: #FFFFFF;
            --text-main: #1A202C;
            --text-muted: #718096;
            --text-light: #F7FAFC;
            --text-light-muted: #A0AEC0;
            --border-light: #E2E8F0;
            --border-dark: #242E38;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-subtle: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-elevated: 0 16px 36px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-white);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        input, select, textarea, button {
            font-family: inherit;
            font-size: 1rem;
        }

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

        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 54px auto;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.825rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            padding: 6px 14px;
            border-radius: 999px;
            background-color: rgba(0, 210, 133, 0.12);
            color: #009D62;
            margin-bottom: 14px;
        }

        .section-tag.dark {
            background-color: rgba(0, 210, 133, 0.18);
            color: var(--primary);
        }

        .section-title {
            font-size: 2.25rem;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .section-intro {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

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

        /* 顶部两行导航系统 */
        .top-subbar {
            background-color: #0B0E12;
            color: #8C9BA8;
            font-size: 0.8125rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 6px 0;
        }

        .top-subbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .top-meta-group {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .status-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background-color: var(--primary);
            border-radius: 50%;
            margin-right: 6px;
            box-shadow: 0 0 6px var(--primary);
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 19, 24, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 0;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-light);
            font-size: 1.35rem;
            font-weight: 900;
            letter-spacing: -0.3px;
        }

        .logo-icon-wrap {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, #00875A 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0E1318;
            font-weight: 900;
            font-size: 1.15rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
        }

        .nav-links a {
            color: #CBD5E0;
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            background-color: var(--primary);
            color: #0E1318;
            font-weight: 700;
            font-size: 0.8875rem;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-header-cta:hover {
            background-color: #00F098;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px var(--primary-glow);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* 板块样式基础规范 */
        .section-block {
            padding: 90px 0;
            position: relative;
        }

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

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

        .bg-dark-secondary {
            background-color: #121820;
            color: var(--text-light);
        }

        /* 1. 首屏促销主视觉与爆款展台 (Hero) */
        .hero-banner-section {
            background-color: #0A0D11;
            background-image: linear-gradient(rgba(10, 13, 17, 0.82), rgba(10, 13, 17, 0.92)), url('/assets/images/b75754486f02f06f.png');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            padding: 100px 0 90px 0;
            position: relative;
            overflow: hidden;
        }

        .hero-banner-section::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 210, 133, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-wrapper {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge-capsule {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 107, 0, 0.16);
            border: 1px solid rgba(255, 107, 0, 0.35);
            border-radius: 999px;
            color: #FFA154;
            font-size: 0.84rem;
            font-weight: 700;
            margin-bottom: 22px;
        }

        .flash-tag {
            background-color: var(--accent);
            color: #FFFFFF;
            font-size: 0.72rem;
            padding: 2px 7px;
            border-radius: 4px;
            font-weight: 800;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: 2.85rem;
            font-weight: 900;
            line-height: 1.22;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: -0.8px;
        }

        .hero-title span {
            color: var(--primary);
            display: inline-block;
        }

        .hero-description {
            font-size: 1.1rem;
            line-height: 1.85;
            color: #BAC7D5;
            margin-bottom: 34px;
        }

        .hero-cta-cluster {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-bottom: 42px;
        }

        .btn-primary-glow {
            background: var(--accent);
            color: #FFFFFF;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-size: 1.025rem;
            border: 1px solid var(--accent);
            box-shadow: 0 8px 24px rgba(255, 107, 0, 0.35);
        }

        .btn-primary-glow:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 107, 0, 0.45);
        }

        .btn-ghost-border {
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #FFFFFF;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1.025rem;
            background: rgba(255, 255, 255, 0.04);
        }

        .btn-ghost-border:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(0, 210, 133, 0.06);
        }

        .hardware-protocols {
            display: flex;
            align-items: center;
            gap: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
        }

        .protocol-label {
            font-size: 0.8rem;
            color: #718096;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .protocol-chips {
            display: flex;
            gap: 10px;
        }

        .protocol-chip {
            background: #17212B;
            border: 1px solid #283747;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.775rem;
            color: #9FB3C8;
            font-weight: 600;
        }

        /* 爆款主图与爆炸贴卡片 */
        .hero-spotlight-visual {
            position: relative;
        }

        .spotlight-card {
            background: #151D26;
            border: 1px solid #2B3A4A;
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            box-shadow: 0 24px 50px rgba(0, 0, 0, 0.45);
        }

        .spotlight-image-box {
            border-radius: var(--radius-sm);
            overflow: hidden;
            background-color: #0E1318;
            position: relative;
            aspect-ratio: 4/3;
        }

        .spotlight-image-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .floating-explosion-badge {
            position: absolute;
            top: -16px;
            right: -16px;
            background: linear-gradient(135deg, #FF6B00 0%, #D84315 100%);
            color: #FFFFFF;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 24px rgba(255, 107, 0, 0.45);
            border: 3px solid #151D26;
            transform: rotate(8deg);
            animation: pulse-slow 3s infinite ease-in-out;
        }

        @keyframes pulse-slow {
            0%, 100% { transform: rotate(8deg) scale(1); }
            50% { transform: rotate(8deg) scale(1.05); }
        }

        .explosion-text-top {
            font-size: 0.72rem;
            font-weight: 800;
            line-height: 1;
        }

        .explosion-text-bold {
            font-size: 1.25rem;
            font-weight: 900;
            line-height: 1.1;
        }

        .spotlight-foot-specs {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 18px;
            padding-top: 18px;
            border-top: 1px solid #23313F;
            text-align: center;
        }

        .spec-item-num {
            color: var(--primary);
            font-weight: 800;
            font-size: 1.25rem;
            line-height: 1.2;
        }

        .spec-item-txt {
            color: #8C9BA8;
            font-size: 0.75rem;
            margin-top: 2px;
        }

        /* 2. 安全主张理念区 */
        .safety-claim-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .safety-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-elevated);
            border: 1px solid var(--border-light);
        }

        .safety-content h3 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            line-height: 1.35;
        }

        .safety-content p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .safety-bullet-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .safety-bullet-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #FFFFFF;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
        }

        .safety-check-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 210, 133, 0.15);
            color: #009D62;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .safety-bullet-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 3px;
        }

        .safety-bullet-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 3. 硬件性能检查项清单 (Checklist) */
        .checklists-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .checklist-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
        }

        .checklist-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-elevated);
            border-color: rgba(0, 210, 133, 0.4);
        }

        .checklist-category-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            background: #EDF2F7;
            color: #4A5568;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 18px;
        }

        .checklist-card h4 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .checklist-items-wrap {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }

        .single-check-row {
            display: flex;
            align-items: baseline;
            gap: 10px;
            font-size: 0.8875rem;
            color: var(--text-muted);
            border-bottom: 1px dashed var(--border-light);
            padding-bottom: 8px;
        }

        .single-check-row strong {
            color: var(--text-main);
        }

        /* 4. 平台架构与生态技术中枢 */
        .arch-columns {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .arch-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            background: #17212C;
        }

        .arch-text-content h3 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .arch-text-content p {
            color: var(--text-light-muted);
            margin-bottom: 28px;
            font-size: 1.025rem;
        }

        .specs-compact-matrix {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .spec-tile {
            background: #17212C;
            border: 1px solid #283747;
            border-radius: var(--radius-sm);
            padding: 16px;
        }

        .spec-tile-label {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 4px;
            text-transform: uppercase;
        }

        .spec-tile-value {
            font-size: 0.95rem;
            color: #FFFFFF;
            font-weight: 600;
        }

        .spec-tile-desc {
            font-size: 0.775rem;
            color: #8C9BA8;
            margin-top: 4px;
        }

        /* 5. 核心优势功能网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-item-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 34px 28px;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
        }

        .feature-item-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-elevated);
            border-color: rgba(0, 210, 133, 0.4);
        }

        .feature-icon-badge {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: rgba(0, 210, 133, 0.12);
            color: #009D62;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .feature-item-card h4 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .feature-item-card p {
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 6. 旗舰智能骑行硬件终端展区 */
        .terminal-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .terminal-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .terminal-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .terminal-thumb {
            position: relative;
            aspect-ratio: 16/10;
            background-color: #EDF2F7;
            overflow: hidden;
        }

        .terminal-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .terminal-tag-pill {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(14, 19, 24, 0.85);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
        }

        .terminal-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .terminal-body h4 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .terminal-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex: 1;
        }

        .terminal-param-strip {
            background: #F8FAFC;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            margin-bottom: 20px;
            font-size: 0.8rem;
            color: #4A5568;
            display: flex;
            justify-content: space-between;
        }

        .btn-card-action {            display: block;
            text-align: center;
            background: #11161B;
            color: #FFFFFF;
            font-weight: 700;
            padding: 11px 0;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-card-action:hover {
            background: var(--primary);
            color: #0E1318;
        }

        /* 7. 合规与工业级标准认证徽章 */
        .badges-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .badge-box {
            background: #182029;
            border: 1px solid #283646;
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }

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

        .badge-emblem {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px auto;
            border-radius: 50%;
            background: rgba(0, 210, 133, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 900;
            border: 1px solid rgba(0, 210, 133, 0.3);
        }

        .badge-box h4 {
            font-size: 1.15rem;
            color: #FFFFFF;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .badge-box p {
            font-size: 0.825rem;
            color: #8C9BA8;
            line-height: 1.6;
        }

        /* 8. 适用边界与工况说明 */
        .boundary-table-wrap {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }

        .boundary-table-header {
            display: grid;
            grid-template-columns: 1.5fr 2fr 2fr;
            background: #F8FAFC;
            padding: 16px 24px;
            font-weight: 800;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
        }

        .boundary-row {
            display: grid;
            grid-template-columns: 1.5fr 2fr 2fr;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        .boundary-scene {
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-dot-green {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-block;
        }

        .boundary-param {
            color: #2D3748;
            font-family: monospace;
            font-size: 0.925rem;
        }

        /* 9. 平台物联关键数据统计条 */
        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: #121820;
            border: 1px solid #24303E;
            border-radius: var(--radius-md);
            padding: 40px 30px;
        }

        .metric-col {
            text-align: center;
            border-right: 1px solid #24303E;
            padding: 0 16px;
        }

        .metric-col:last-child {
            border-right: none;
        }

        .metric-digits {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .metric-digits span {
            font-size: 1.3rem;
            color: #A0AEC0;
            font-weight: 700;
        }

        .metric-title {
            font-size: 0.95rem;
            color: #FFFFFF;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .metric-sub {
            font-size: 0.8rem;
            color: #718096;
        }

        /* 10. 智能骑行设备部署与校准工作流 */
        .workflow-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .workflow-step {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            position: relative;
            box-shadow: var(--shadow-subtle);
        }

        .step-sequence {
            font-size: 2.2rem;
            font-weight: 900;
            color: rgba(0, 210, 133, 0.25);
            line-height: 1;
            margin-bottom: 12px;
        }

        .workflow-step h4 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .workflow-step p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 11. 骑行设备动态与训练科学资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .news-img-box {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E2E8F0;
        }

        .news-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-card:hover .news-img-box img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-meta-tag {
            font-size: 0.775rem;
            color: #009D62;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .news-body h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .news-body p {
            font-size: 0.8875rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
            flex: 1;
        }

        .news-anchor-link {
            font-size: 0.875rem;
            color: var(--accent);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-anchor-link:hover {
            color: var(--accent-hover);
            transform: translateX(3px);
        }

        /* 12. 竞技车队实战与社会信任背书 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-subtle);
            position: relative;
        }

        .rider-profile {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
        }

        .rider-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
            background: #CBD5E0;
            border: 2px solid var(--primary);
        }

        .rider-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .rider-name {
            font-size: 1rem;
            font-weight: 800;
            color: var(--text-main);
        }

        .rider-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .testimonial-stars {
            color: #FFB800;
            font-size: 0.875rem;
            margin-bottom: 12px;
        }

        .testimonial-quote {
            font-size: 0.925rem;
            color: #4A5568;
            line-height: 1.7;
        }

        /* 战略合作与协议生态墙 */
        .partner-logos-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 50px;
        }

        .partner-box {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 16px;
            text-align: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #718096;
            transition: var(--transition);
        }

        .partner-box:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        /* 13. 原生手风琴常见问题解答 (FAQ) */
        .faq-accordion-box {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 210, 133, 0.4);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .faq-toggle-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.25s ease;
        }

        details[open] .faq-toggle-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 22px 24px;
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.75;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }

        /* 收口转化区与体验预约表单 */
        .conversion-wrapper {
            background: linear-gradient(135deg, #11171E 0%, #0A0D11 100%);
            border: 1px solid #2B3A4C;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .conversion-info h3 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .conversion-info p {
            color: #A0AEC0;
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .conversion-badges {
            display: flex;
            gap: 20px;
        }

        .conv-badge-item {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .booking-form {
            background: #17202B;
            border: 1px solid #2A394A;
            border-radius: var(--radius-md);
            padding: 34px 28px;
        }

        .form-title {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            color: #CBD5E0;
            margin-bottom: 6px;
            font-weight: 600;
        }

        .form-input, .form-select {
            width: 100%;
            background: #0E1318;
            border: 1px solid #283747;
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            color: #FFFFFF;
            outline: none;
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 210, 133, 0.2);
        }

        .btn-submit-booking {
            width: 100%;
            background: var(--primary);
            color: #0E1318;
            font-weight: 800;
            padding: 13px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            margin-top: 6px;
            transition: var(--transition);
        }

        .btn-submit-booking:hover {
            background: #00F098;
            box-shadow: 0 8px 20px var(--primary-glow);
        }

        .form-privacy-note {
            font-size: 0.775rem;
            color: #718096;
            margin-top: 12px;
            text-align: center;
        }

        /* 页脚区域 */
        .site-footer {
            background: #090C0F;
            color: #8C9BA8;
            border-top: 1px solid #1E2834;
            padding: 80px 0 30px 0;
            font-size: 0.9rem;
        }

        .footer-cols {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand-title {
            color: #FFFFFF;
            font-size: 1.25rem;
            font-weight: 900;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand-desc {
            font-size: 0.875rem;
            line-height: 1.75;
            color: #718096;
            margin-bottom: 20px;
        }

        .footer-heading {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--primary);
        }

        .footer-link-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .footer-contact-item {
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .footer-contact-item strong {
            color: #CBD5E0;
            display: block;
            font-size: 0.8rem;
        }

        .footer-bottom-bar {
            border-top: 1px solid #18222D;
            padding-top: 28px;
            text-align: center;
            font-size: 0.8125rem;
            color: #556575;
        }

        .footer-bottom-bar a {
            color: #718096;
        }

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

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-wrapper, .safety-claim-grid, .arch-columns, .conversion-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .features-grid, .terminal-grid, .checklists-grid, .news-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .metric-col {
                border-right: none;
                border-bottom: 1px solid #24303E;
                padding-bottom: 20px;
            }
            .metric-col:last-child, .metric-col:nth-last-child(2) {
                border-bottom: none;
                padding-bottom: 0;
            }
            .workflow-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-logos-row {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-cols {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .top-subbar {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #0E1318;
                flex-direction: column;
                padding: 24px;
                gap: 18px;
                border-bottom: 1px solid #242E38;
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                z-index: 999;
            }
            .nav-links.active {
                transform: translateY(0);
            }
            .header-cta-group {
                display: none;
            }
            .features-grid, .terminal-grid, .checklists-grid, .news-grid, .testimonials-grid, .badges-grid, .workflow-row, .partner-logos-row, .metrics-strip {
                grid-template-columns: 1fr;
            }
            .boundary-table-header, .boundary-row {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .conversion-wrapper {
                padding: 32px 20px;
            }
            .footer-cols {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }