/* roulang page: index */
:root {
      --bg-base: #0b0f17;
      --bg-surface: #111827;
      --bg-card: #162032;
      --bg-card-hover: #1f2d45;
      --bg-light: #f8fafc;
      --bg-light-alt: #f1f5f9;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dark: #0f172a;
      --text-dark-muted: #475569;
      --primary: #059669;
      --primary-hover: #10b981;
      --primary-light: rgba(16, 185, 129, 0.12);
      --accent-gold: #d97706;
      --border-dark: rgba(255, 255, 255, 0.08);
      --border-dark-hover: rgba(16, 185, 129, 0.35);
      --border-light: rgba(226, 232, 240, 0.85);
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
      --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.35);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      --font-code: "JetBrains Mono", "SFMono-Regular", Consolas, Menlo, Courier, monospace;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Bar */
    .top-bar {
      background: #06090e;
      border-bottom: 1px solid var(--border-dark);
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary-hover);
      box-shadow: 0 0 8px var(--primary-hover);
      animation: pulse 2s infinite;
    }
    .top-bar-contact {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .top-bar-contact span {
      color: #cbd5e1;
    }

    /* Main Navigation */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 15, 23, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-dark);
    }
    .header-nav .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 19px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: -0.01em;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), #0284c7);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-code);
      font-size: 15px;
      font-weight: 900;
      color: #fff;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 14px;
      font-weight: 500;
      color: #cbd5e1;
    }
    .nav-links a:hover {
      color: var(--primary-hover);
    }
    .nav-actions {
      display: flex;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
    }
    .btn-outline {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.2);
      color: #e2e8f0;
    }
    .btn-outline:hover {
      border-color: var(--primary-hover);
      color: #ffffff;
      transform: translateY(-2px);
    }
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      color: #fff;
      font-size: 22px;
      cursor: pointer;
    }

    /* Section Base */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-light {
      background-color: var(--bg-light);
      color: var(--text-dark);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      padding: 4px 10px;
      border-radius: 999px;
      background: var(--primary-light);
      color: var(--primary);
      margin-bottom: 12px;
    }
    .section-dark .section-tag {
      background: rgba(16, 185, 129, 0.15);
      color: #34d399;
    }
    h2.section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 14px;
    }
    .section-light h2.section-title {
      color: var(--text-dark);
    }
    .section-dark h2.section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 15px;
      line-height: 1.7;
    }
    .section-light .section-desc {
      color: var(--text-dark-muted);
    }
    .section-dark .section-desc {
      color: var(--text-muted);
    }

    /* 板块 1: Hero */
    .hero-section {
      padding: 80px 0 70px;
      background: linear-gradient(180deg, #0b0f17 0%, #111827 100%);
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.03em;
      color: #ffffff;
      margin-bottom: 20px;
    }
    .hero-content h1 span {
      background: linear-gradient(135deg, #34d399 0%, #38bdf8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      color: #94a3b8;
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .badge-group {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 32px;
    }
    .badge-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
      font-size: 12px;
      color: #cbd5e1;
    }
    .badge-item svg {
      width: 14px;
      height: 14px;
      fill: var(--primary-hover);
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .code-console {
      background: #070a0f;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }
    .console-header {
      background: #0f1723;
      padding: 10px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .console-dots {
      display: flex;
      gap: 6px;
    }
    .console-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #334155;
    }
    .console-dots span:nth-child(1) { background: #ef4444; }
    .console-dots span:nth-child(2) { background: #eab308; }
    .console-dots span:nth-child(3) { background: #10b981; }
    .console-meta {
      font-family: var(--font-code);
      font-size: 11px;
      color: #64748b;
    }
    .console-body {
      padding: 18px 20px;
      font-family: var(--font-code);
      font-size: 12px;
      color: #cbd5e1;
      line-height: 1.6;
      background: rgba(0, 0, 0, 0.4);
    }
    .token-kw { color: #f43f5e; }
    .token-str { color: #34d399; }
    .token-num { color: #38bdf8; }
    .token-key { color: #94a3b8; }
    .console-footer-bar {
      padding: 10px 16px;
      background: #090e16;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #94a3b8;
    }
    .latency-tag {
      color: #34d399;
      font-weight: 700;
      font-family: var(--font-code);
    }

    /* 板块 2: 预约时段与联调倒计时 */
    .schedule-bar-section {
      background: #111827;
      border-bottom: 1px solid var(--border-dark);
      padding: 30px 0;
    }
    .schedule-bar-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }
    .schedule-title {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .schedule-title h3 {
      font-size: 16px;
      color: #ffffff;
      font-weight: 600;
    }
    .countdown-box {
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .time-unit {
      background: #1e293b;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      text-align: center;
      border: 1px solid var(--border-dark);
    }
    .time-num {
      font-family: var(--font-code);
      font-size: 18px;
      font-weight: 700;
      color: #34d399;
      display: block;
    }
    .time-lbl {
      font-size: 10px;
      color: #64748b;
      text-transform: uppercase;
    }
    .slots-indicator {
      font-size: 13px;
      color: #cbd5e1;
    }
    .slots-indicator strong {
      color: #f59e0b;
    }

    /* 板块 3: 底层协议架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-image-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    }
    .arch-image-wrap img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .arch-features {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .arch-item {
      display: flex;
      gap: 16px;
    }
    .arch-icon {
      width: 44px;
      height: 44px;
      flex-shrink: 0;
      border-radius: var(--radius-sm);
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 700;
      font-size: 18px;
    }
    .arch-text h4 {
      font-size: 17px;
      color: var(--text-dark);
      margin-bottom: 6px;
      font-weight: 700;
    }
    .arch-text p {
      font-size: 14px;
      color: var(--text-dark-muted);
      line-height: 1.6;
    }

    /* 板块 4: 核心优势矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: var(--transition);
      position: relative;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-dark-hover);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    }
    .matrix-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 16px;
    }
    .matrix-num {
      font-family: var(--font-code);
      font-size: 13px;
      color: var(--primary-hover);
      background: rgba(16, 185, 129, 0.1);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .matrix-card h3 {
      font-size: 18px;
      color: #ffffff;
      margin-bottom: 10px;
      font-weight: 600;
    }
    .matrix-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 5: 币种方案卡片 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .solution-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .solution-card:hover {
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
      transform: translateY(-3px);
    }
    .solution-card-img {
      height: 170px;
      width: 100%;
      object-fit: cover;
    }
    .solution-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .solution-body h3 {
      font-size: 19px;
      color: var(--text-dark);
      margin-bottom: 10px;
      font-weight: 700;
    }
    .solution-body p {
      font-size: 13.5px;
      color: var(--text-dark-muted);
      margin-bottom: 18px;
      line-height: 1.6;
    }
    .param-list {
      list-style: none;
      margin-top: auto;
      padding-top: 14px;
      border-top: 1px solid var(--border-light);
    }
    .param-list li {
      font-size: 12.5px;
      color: #64748b;
      margin-bottom: 6px;
      display: flex;
      justify-content: space-between;
    }
    .param-list li span:last-child {
      color: var(--text-dark);
      font-weight: 600;
      font-family: var(--font-code);
    }

    /* 板块 6: 沉浸式高并发架构 */
    .immersive-section {
      background: #070b12;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      position: relative;
    }
    .immersive-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .deep-card {
      background: rgba(17, 24, 39, 0.8);
      border: 1px solid rgba(56, 189, 248, 0.2);
      border-radius: var(--radius-lg);
      padding: 32px;
      position: relative;
      overflow: hidden;
    }
    .deep-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, #10b981, #38bdf8);
    }
    .deep-card h3 {
      font-size: 20px;
      color: #ffffff;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .deep-card p {
      font-size: 14px;
      color: #94a3b8;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .tech-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .spec-box {
      background: rgba(0, 0, 0, 0.35);
      padding: 14px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .spec-lbl {
      font-size: 11px;
      color: #64748b;
      display: block;
    }
    .spec-val {
      font-size: 15px;
      font-weight: 700;
      color: #38bdf8;
      font-family: var(--font-code);
      margin-top: 4px;
    }

    /* 板块 7: 落地应用故事 */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .story-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .story-card-body {
      padding: 28px;
    }
    .story-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
      display: block;
    }
    .story-card h3 {
      font-size: 19px;
      color: var(--text-dark);
      margin-bottom: 12px;
      font-weight: 700;
    }
    .story-card p {
      font-size: 14px;
      color: var(--text-dark-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .story-stats {
      display: flex;
      gap: 20px;
      padding-top: 16px;
      border-top: 1px solid #f1f5f9;
    }
    .stat-pill strong {
      display: block;
      font-size: 20px;
      color: var(--primary);
      font-family: var(--font-code);
    }
    .stat-pill span {
      font-size: 12px;
      color: #64748b;
    }

    /* 板块 8: 数据指标条 */
    .metrics-section {
      background: #0b111c;
      padding: 55px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-item {
      padding: 16px;
    }
    .metric-value {
      font-size: 40px;
      font-weight: 800;
      color: #ffffff;
      font-family: var(--font-code);
      letter-spacing: -0.03em;
      margin-bottom: 6px;
      background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .metric-label {
      font-size: 13px;
      color: #64748b;
      font-weight: 500;
    }

    /* 板块 9: 口碑评价墙 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-rating {
      color: #f59e0b;
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .review-card p {
      font-size: 14px;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .reviewer-avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: #334155;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 13px;
      color: #ffffff;
    }
    .reviewer-info h4 {
      font-size: 13.5px;
      color: #ffffff;
      font-weight: 600;
    }
    .reviewer-info span {
      font-size: 11.5px;
      color: #64748b;
      display: block;
    }

    /* 板块 10: 接口开发动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 11px;
      color: #64748b;
      margin-bottom: 12px;
    }
    .news-tag {
      font-family: var(--font-code);
      background: #e2e8f0;
      padding: 2px 6px;
      border-radius: 3px;
      color: var(--text-dark);
      font-weight: 600;
    }
    .news-card h3 {
      font-size: 16.5px;
      color: var(--text-dark);
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .news-card p {
      font-size: 13px;
      color: var(--text-dark-muted);
      line-height: 1.6;
    }

    /* 板块 11: 疑难拆解 (FAQ) */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--primary-hover);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 22px 18px;
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 板块 12: 资金安全保障条 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-box {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 22px 18px;
      text-align: center;
    }
    .guarantee-icon {
      font-size: 24px;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .guarantee-box h4 {
      font-size: 15px;
      color: var(--text-dark);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .guarantee-box p {
      font-size: 12px;
      color: var(--text-dark-muted);
      line-height: 1.5;
    }

    /* 板块 13: 接入表单 */
    .form-section {
      background: linear-gradient(180deg, #111827 0%, #070a0f 100%);
      padding: 90px 0 100px;
    }
    .form-wrapper {
      max-width: 680px;
      margin: 0 auto;
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }
    .form-row {
      margin-bottom: 18px;
    }
    .form-row label {
      display: block;
      font-size: 13px;
      color: #cbd5e1;
      margin-bottom: 6px;
      font-weight: 500;
    }
    .form-input {
      width: 100%;
      padding: 12px 16px;
      background: #090e17;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      color: #ffffff;
      font-size: 14px;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus {
      border-color: var(--primary-hover);
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }
    .form-hint {
      font-size: 12px;
      color: #64748b;
      margin-top: 14px;
      text-align: center;
    }

    /* 底部固定转化条 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(11, 15, 23, 0.95);
      backdrop-filter: blur(12px);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 12px 0;
      z-index: 999;
      transform: translateY(100%);
      transition: transform 0.3s ease;
    }
    .sticky-bottom-bar.visible {
      transform: translateY(0);
    }
    .sticky-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sticky-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: #cbd5e1;
    }

    /* Footer */
    footer {
      background: #06090e;
      border-top: 1px solid var(--border-dark);
      padding: 60px 0 30px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col h4 {
      font-size: 14px;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: -0.01em;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--primary-hover);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
      color: #64748b;
    }
    .footer-bottom a {
      color: #64748b;
    }
    .footer-bottom a:hover {
      color: #cbd5e1;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .immersive-grid {
        grid-template-columns: 1fr;
      }
      .matrix-grid, .solutions-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links, .nav-actions { display: none; }
      .mobile-menu-btn { display: block; }
      .hero-content h1 { font-size: 30px; }
      .matrix-grid, .solutions-grid, .stories-grid, .reviews-grid, .news-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .schedule-bar-wrap {
        flex-direction: column;
        align-items: flex-start;
      }
      .sticky-meta { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
    }