/* roulang page: index */
:root {
      --primary: #5B21B6;
      --primary-dark: #4C1D95;
      --primary-light: #7C3AED;
      --accent: #10B981;
      --accent-hover: #059669;
      --dark-bg: #0F172A;
      --dark-surface: #1E293B;
      --dark-card: #27354A;
      --light-bg: #F8FAFC;
      --light-surface: #FFFFFF;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #F8FAFC;
      --container-max: 1240px;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.07);
      --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.65;
      color: var(--text-body);
      background-color: var(--light-surface);
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部双行导航 */
    .top-meta-bar {
      background-color: #0B1120;
      color: #94A3B8;
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 6px 0;
    }
    .top-meta-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-pulse {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    .header-main {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .header-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #FFFFFF;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .brand-icon-box {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary));
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 800;
      font-size: 18px;
      box-shadow: 0 2px 10px rgba(91, 33, 182, 0.4);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .nav-item {
      color: #CBD5E1;
      font-size: 14px;
      font-weight: 500;
      padding: 6px 4px;
      position: relative;
    }
    .nav-item:hover {
      color: #FFFFFF;
    }
    .nav-item::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: var(--transition);
    }
    .nav-item:hover::after {
      width: 100%;
    }
    .nav-cta-btn {
      background: var(--accent);
      color: #064E3B;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    }
    .nav-cta-btn:hover {
      background: #34D399;
      transform: translateY(-1px);
    }

    /* 移动端菜单开关 */
    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      color: #FFF;
      font-size: 24px;
      cursor: pointer;
    }

    /* 板块通用 */
    .section-wrap {
      padding: 85px 0;
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 55px;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      padding: 4px 14px;
      background: rgba(91, 33, 182, 0.08);
      color: var(--primary);
      border-radius: 9999px;
      margin-bottom: 12px;
    }
    .section-tag-dark {
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent);
    }
    .section-h2 {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.02em;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. HERO 促销主视觉版式 */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, #2E1065 0%, #0F172A 70%), #0F172A;
      color: #FFFFFF;
      padding: 90px 0 100px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-bg-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/e559d21662b8b646.png');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      mix-blend-mode: overlay;
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .promo-badge-stack {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 9999px;
      padding: 6px 16px 6px 8px;
      margin-bottom: 24px;
    }
    .blast-sticker {
      background: linear-gradient(135deg, #EF4444, #F59E0B);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 9999px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    }
    .promo-text-sub {
      font-size: 13px;
      color: #E2E8F0;
      font-weight: 500;
    }
    .hero-h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    .hero-h1 span {
      background: linear-gradient(90deg, #A78BFA, #34D399);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 35px;
      text-align: justify;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 35px;
    }
    .btn-glow-primary {
      background: var(--accent);
      color: #064E3B;
      font-size: 15px;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 0 25px rgba(16, 185, 129, 0.45);
    }
    .btn-glow-primary:hover {
      background: #34D399;
      transform: translateY(-2px);
      box-shadow: 0 0 35px rgba(16, 185, 129, 0.65);
    }
    .btn-outline-contrast {
      background: rgba(255, 255, 255, 0.05);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.2);
      font-size: 15px;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
    }
    .btn-outline-contrast:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #FFFFFF;
    }
    .hero-key-points {
      display: flex;
      gap: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
    }
    .key-point-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #94A3B8;
    }
    .point-dot {
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
    }
    .hero-visual-board {
      background: linear-gradient(180deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.95));
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      position: relative;
    }
    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }
    .board-dots {
      display: flex;
      gap: 6px;
    }
    .board-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .board-dot.red { background: #EF4444; }
    .board-dot.yellow { background: #F59E0B; }
    .board-dot.green { background: #10B981; }
    .board-tag {
      font-size: 12px;
      color: #94A3B8;
      font-family: monospace;
    }
    .board-screen-img {
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 18px;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .metrics-micro-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .micro-metric-card {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      padding: 12px;
      border-radius: 8px;
    }
    .micro-metric-val {
      font-size: 18px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 2px;
    }
    .micro-metric-lbl {
      font-size: 11px;
      color: #94A3B8;
    }

    /* 2. 运营痛点剖析 */
    .bg-light-alt {
      background-color: var(--light-bg);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-md);
      padding: 30px;
      position: relative;
      transition: var(--transition);
    }
    .pain-card:hover {
      border-color: #CBD5E1;
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .pain-index {
      font-size: 14px;
      font-weight: 800;
      color: #94A3B8;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .pain-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .pain-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 3. 架构主张与产品介绍 */
    .arch-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-text-col .section-h2 {
      text-align: left;
    }
    .arch-lead {
      font-size: 16px;
      color: var(--text-body);
      margin-bottom: 24px;
      line-height: 1.8;
    }
    .spec-badges-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .spec-badge-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: var(--radius-sm);
    }
    .spec-badge-val {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .spec-badge-text {
      font-size: 13px;
      color: var(--text-muted);
    }
    .arch-img-col {
      position: relative;
    }
    .arch-img-styled {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }

    /* 4. 6卡片核心优势栅格 */
    .features-grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .feature-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      transition: var(--transition);
      position: relative;
    }
    .feature-box:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: 0 12px 24px -6px rgba(91, 33, 182, 0.12);
    }
    .feature-icon-wrapper {
      width: 46px;
      height: 46px;
      border-radius: 10px;
      background: #EDE9FE;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 18px;
    }
    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .feature-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. 热门套件与功能深度卡片 */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .suite-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .suite-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .suite-card-cover {
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .suite-card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .suite-card:hover .suite-card-cover img {
      transform: scale(1.05);
    }
    .suite-card-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .suite-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--primary);
      background: #F3E8FF;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      align-self: flex-start;
      margin-bottom: 12px;
    }
    .suite-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .suite-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .suite-features-checklist {
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
      margin-top: auto;
    }
    .suite-check-item {
      font-size: 12.5px;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .suite-check-item::before {
      content: '✓';
      color: var(--accent);
      font-weight: bold;
    }

    /* 6. 深色安全体系与底层架构 */
    .dark-specs-section {
      background: var(--dark-bg);
      color: #FFFFFF;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .dark-specs-section .section-h2 {
      color: #FFFFFF;
    }
    .dark-specs-section .section-p {
      color: #94A3B8;
    }
    .dark-specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .dark-spec-card {
      background: var(--dark-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 24px;
      transition: var(--transition);
    }
    .dark-spec-card:hover {
      border-color: var(--primary-light);
      background: var(--dark-card);
    }
    .dark-spec-icon {
      font-size: 20px;
      color: var(--accent);
      margin-bottom: 12px;
      font-weight: bold;
    }
    .dark-spec-title {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }
    .dark-spec-desc {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 7. 接入实施步骤 (Step Flow) */
    .steps-chain {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-node {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      transition: var(--transition);
    }
    .step-node:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .step-number-tag {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #FFF;
      font-weight: 800;
      font-size: 14px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-text {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 8. 成果数据统计条 (Metrics Bar) */
    .metrics-full-band {
      background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0;
      color: #FFFFFF;
    }
    .metrics-row-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-col-box {
      position: relative;
    }
    .metric-col-box:not(:last-child)::after {
      content: '';
      position: absolute;
      right: 0;
      top: 20%;
      height: 60%;
      width: 1px;
      background: rgba(255, 255, 255, 0.12);
    }
    .metric-huge-num {
      font-size: 44px;
      font-weight: 800;
      line-height: 1;
      color: var(--accent);
      margin-bottom: 8px;
      letter-spacing: -0.02em;
    }
    .metric-title-lead {
      font-size: 15px;
      font-weight: 600;
      color: #F8FAFC;
      margin-bottom: 4px;
    }
    .metric-sub-note {
      font-size: 12px;
      color: #94A3B8;
    }

    /* 9. 典型团队用户故事 */
    .stories-split-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
    }
    .story-card-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .story-thumb {
      height: 220px;
      overflow: hidden;
    }
    .story-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-body {
      padding: 28px;
      flex-grow: 1;
    }
    .story-meta-badge {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: #F3E8FF;
      padding: 2px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .story-h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .story-p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .story-highlight-box {
      background: var(--light-bg);
      border-left: 3px solid var(--accent);
      padding: 12px 16px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-size: 13px;
      color: #065F46;
      font-weight: 500;
    }

    /* 10. 客户与合作评价墙 */
    .quotes-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .quote-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .quote-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .quote-content {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .quote-author-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #EDE9FE;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }
    .author-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. 适用游戏类型与人群矩阵 */
    .audience-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .audience-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }
    .audience-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .audience-badge {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: #F1F5F9;
      margin: 0 auto 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
    }
    .audience-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .audience-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 平台资讯与更新摘要 */
    .news-cards-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .news-item-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-item-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .news-thumb-wrap {
      height: 160px;
      overflow: hidden;
    }
    .news-thumb-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-detail-padding {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 10px;
    }
    .news-summary {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-read-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 13. FAQ 手风琴互动区 */
    .faq-container-narrow {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-input {
      display: none;
    }
    .faq-header-label {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      user-select: none;
      transition: var(--transition);
    }
    .faq-header-label:hover {
      background-color: #F8FAFC;
    }
    .faq-arrow {
      font-size: 14px;
      color: var(--text-muted);
      transition: transform 0.3s ease;
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
      background: #FCFDFF;
    }
    .faq-inner-text {
      padding: 0 24px 22px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .faq-input:checked ~ .faq-content {
      max-height: 500px;
      transition: max-height 0.35s ease-in-out;
    }
    .faq-input:checked ~ .faq-header-label .faq-arrow {
      transform: rotate(180deg);
      color: var(--primary);
    }

    /* 14. 底部高转化号召 (Bottom CTA) */
    .cta-finish-wrap {
      background: radial-gradient(circle at 50% 50%, #3B0764 0%, #0F172A 100%), #0F172A;
      color: #FFFFFF;
      padding: 80px 0;
      text-align: center;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .cta-card-center {
      max-width: 800px;
      margin: 0 auto;
    }
    .cta-finish-h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .cta-finish-desc {
      font-size: 16px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .cta-btn-cluster {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 信任信号页脚 (Footer) */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0 24px;
      font-size: 13.5px;
    }
    .footer-top-layout {
      display: grid;
      grid-template-columns: 1.4fr 1.6fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand-title {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand-p {
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 16px;
      max-width: 320px;
    }
    .footer-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .footer-group-title {
      font-size: 14px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 14px;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a:hover {
      color: var(--accent);
    }
    .footer-contact-title {
      font-size: 14px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 14px;
    }
    .footer-contact-row {
      margin-bottom: 10px;
      line-height: 1.6;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .arch-intro-grid {
        grid-template-columns: 1fr;
      }
      .features-grid-6,
      .suites-grid,
      .quotes-grid-3,
      .news-cards-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .dark-specs-grid,
      .steps-chain,
      .audience-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-row-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 20px;
      }
      .metric-col-box:nth-child(2)::after {
        display: none;
      }
      .footer-top-layout {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #0F172A;
        flex-direction: column;
        padding: 24px 20px;
        gap: 18px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .top-meta-flex {
        flex-direction: column;
        gap: 6px;
        text-align: center;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .section-h2 {
        font-size: 26px;
      }
      .features-grid-6,
      .suites-grid,
      .quotes-grid-3,
      .news-cards-3,
      .pain-grid,
      .stories-split-grid,
      .dark-specs-grid,
      .steps-chain,
      .audience-grid-4,
      .metrics-row-4,
      .footer-top-layout {
        grid-template-columns: 1fr;
      }
      .metric-col-box::after {
        display: none !important;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }