/* roulang page: index */
:root {
      --bg-dark: #0b0e14;
      --bg-surface: #121824;
      --bg-card: #182030;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --text-light: #f1f5f9;
      --text-light-muted: #94a3b8;
      --primary: #00f0ff;
      --primary-hover: #00d2e0;
      --accent: #ff5e1e;
      --accent-hover: #e04e14;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-light: rgba(15, 23, 42, 0.08);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.65;
    }

    body {
      overflow-x: hidden;
      width: 100%;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .top-bar {
      background: #06080c;
      color: var(--text-light-muted);
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-contacts span {
      margin-right: 20px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    header.main-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(11, 14, 20, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.5px;
    }
    .brand-logo .logo-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      color: #0b0e14;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 28px;
      align-items: center;
    }
    .nav-menu li a {
      color: var(--text-light-muted);
      font-size: 15px;
      font-weight: 500;
      position: relative;
      padding: 4px 0;
    }
    .nav-menu li a:hover,
    .nav-menu li a.active {
      color: var(--primary);
    }
    .nav-menu li a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta-btn {
      background: var(--primary);
      color: #0b0e14;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      padding: 12px 28px;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
    }
    .btn-primary {
      background: var(--accent);
      color: #ffffff;
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 18px rgba(255, 94, 30, 0.4);
    }
    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background: transparent;
    }
    .btn-outline:hover {
      background: rgba(0, 240, 255, 0.1);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
    }

    /* 板块结构基底 */
    .section-wrap {
      padding: 85px 0;
      position: relative;
    }
    .section-wrap.dark-bg {
      background: var(--bg-surface);
      color: var(--text-light);
    }
    .section-wrap.pitch-dark {
      background: var(--bg-dark);
      color: var(--text-light);
    }
    .section-wrap.light-bg {
      background: var(--bg-white);
      color: var(--text-main);
    }
    .section-header {
      max-width: 780px;
      margin: 0 auto 52px;
      text-align: center;
    }
    .section-header .tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
      background: rgba(0, 240, 255, 0.1);
      color: var(--primary);
      border: 1px solid rgba(0, 240, 255, 0.2);
    }
    .light-bg .section-header .tag {
      background: rgba(255, 94, 30, 0.1);
      color: var(--accent);
      border-color: rgba(255, 94, 30, 0.2);
    }
    .section-header h2 {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-header p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .dark-bg .section-header p,
    .pitch-dark .section-header p {
      color: var(--text-light-muted);
    }

    /* 1. HERO SECTION (版式蓝图变体：限时闪购条+主推卡片) */
    #hero {
      position: relative;
      background: radial-gradient(circle at 80% 20%, #1a273e 0%, var(--bg-dark) 70%);
      color: var(--text-light);
      padding: 50px 0 80px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-top-flash {
      background: linear-gradient(90deg, #ff5e1e, #d83d00);
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      box-shadow: 0 4px 15px rgba(255, 94, 30, 0.3);
    }
    .hero-flash-timer {
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(0,0,0,0.3);
      padding: 4px 12px;
      border-radius: 4px;
      font-family: monospace;
      font-size: 15px;
      letter-spacing: 1px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #ffffff;
    }
    .hero-content h1 span {
      color: var(--primary);
      text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-light-muted);
      margin-bottom: 30px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }
    .hero-badges-row {
      display: flex;
      gap: 20px;
      font-size: 13px;
      color: var(--text-light-muted);
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
    }
    .hero-badges-row span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-badges-row strong {
      color: var(--primary);
    }
    .hero-featured-card {
      background: var(--bg-card);
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow);
      position: relative;
    }
    .hero-featured-card .featured-tag {
      position: absolute;
      top: 16px;
      right: 16px;
      background: var(--accent);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .hero-card-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 18px;
      height: 220px;
    }
    .hero-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-card-info h3 {
      font-size: 19px;
      margin-bottom: 10px;
      color: #fff;
    }
    .hero-card-info p {
      font-size: 14px;
      color: var(--text-light-muted);
      margin-bottom: 16px;
    }
    .hero-price-line {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }
    .hero-price-line .price {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
    }
    .hero-price-line .price small {
      font-size: 13px;
      color: var(--text-light-muted);
      font-weight: 400;
    }

    /* 2. 俱乐部专业化运营矩阵介绍 (品牌与标准 / #intro) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .intro-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow);
    }
    .intro-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .intro-visual-badge {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(11, 14, 20, 0.85);
      backdrop-filter: blur(8px);
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      border-left: 4px solid var(--accent);
      color: #fff;
    }
    .intro-visual-badge strong {
      font-size: 18px;
      display: block;
      color: var(--primary);
    }
    .intro-text-box h3 {
      font-size: 26px;
      margin-bottom: 18px;
      line-height: 1.4;
    }
    .intro-text-box p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 15px;
    }
    .audit-spec-list {
      margin-top: 24px;
      background: #f1f5f9;
      border-radius: var(--radius-md);
      padding: 18px;
      border-left: 4px solid var(--primary);
    }
    .audit-spec-list h4 {
      font-size: 15px;
      margin-bottom: 8px;
      color: #0f172a;
    }
    .audit-spec-list ul {
      list-style: none;
      font-size: 13px;
      color: var(--text-muted);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }

    /* 3. 电竞俱乐部核心运营优势 (6卡片网格 / #advantages) */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .advantage-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
      position: relative;
    }
    .advantage-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    }
    .advantage-icon {
      width: 50px;
      height: 50px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.2);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      color: var(--primary);
    }
    .advantage-card h3 {
      font-size: 18px;
      margin-bottom: 12px;
      color: #fff;
    }
    .advantage-card p {
      font-size: 14px;
      color: var(--text-light-muted);
      line-height: 1.6;
    }

    /* 4. 电竞俱乐部运营服务线 (3核心卡片 / #services) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
      transition: var(--transition);
      position: relative;
    }
    .service-card.highlight {
      border: 2px solid var(--accent);
      transform: scale(1.02);
      box-shadow: 0 15px 35px rgba(255, 94, 30, 0.15);
    }
    .service-badge {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
    }
    .service-header h3 {
      font-size: 22px;
      margin-bottom: 10px;
      color: #0f172a;
    }
    .service-header p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 44px;
    }
    .service-scope {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
    }
    .service-scope li {
      font-size: 14px;
      color: #334155;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(0,0,0,0.06);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .service-scope li::before {
      content: '✔';
      color: var(--accent);
      font-weight: 700;
    }
    .service-card .btn {
      width: 100%;
    }

    /* 5. 战术看板与运营理念 (暗色对比区 / #philosophy) */
    .tactics-board {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 30px;
    }
    .tactic-panel {
      background: #0f141f;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }
    .tactic-panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      padding-bottom: 10px;
    }
    .tactic-panel-header h4 {
      font-size: 16px;
      color: var(--primary);
    }
    .tactic-tag {
      font-size: 11px;
      background: rgba(0, 240, 255, 0.15);
      color: var(--primary);
      padding: 2px 6px;
      border-radius: 3px;
    }
    .tactic-item {
      font-size: 13.5px;
      color: var(--text-light-muted);
      margin-bottom: 12px;
      line-height: 1.6;
    }

    /* 6. 战队成长与晋级故事 (场景演示与时间轴 / #stories) */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .timeline-wrap::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: #e2e8f0;
      transform: translateX(-50%);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 40px;
      display: flex;
      width: 100%;
    }
    .timeline-item:nth-child(odd) {
      justify-content: flex-start;
    }
    .timeline-item:nth-child(even) {
      justify-content: flex-end;
    }
    .timeline-dot {
      position: absolute;
      left: 50%;
      top: 20px;
      width: 14px;
      height: 14px;
      background: var(--accent);
      border-radius: 50%;
      transform: translateX(-50%);
      box-shadow: 0 0 0 4px #ffffff, 0 0 0 6px var(--accent);
      z-index: 2;
    }
    .timeline-card {
      width: 44%;
      background: #ffffff;
      padding: 22px;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border-light);
    }
    .timeline-card h4 {
      font-size: 17px;
      color: #0f172a;
      margin-bottom: 6px;
    }
    .timeline-card .stage {
      display: inline-block;
      font-size: 12px;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 8px;
    }
    .timeline-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. 运营关键数据看板 (指标统计条 / #metrics) */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 30px 20px;
      border-radius: var(--radius-md);
    }
    .metric-number {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
      font-family: monospace;
      text-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
    }
    .metric-label {
      font-size: 15px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 12px;
      color: var(--text-light-muted);
    }

    /* 8. 赞助商与合作口碑墙 (评价墙 / #testimonials) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-light);
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testimonial-card p {
      font-size: 14px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: italic;
    }
    .client-profile {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }
    .client-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #0f172a;
      font-size: 14px;
    }
    .client-info strong {
      display: block;
      font-size: 14px;
      color: #0f172a;
    }
    .client-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 9. 电竞运营动态资讯摘要 (#news) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 240, 255, 0.4);
    }
    .news-img {
      height: 190px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      font-size: 12px;
      color: var(--primary);
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }
    .news-body h3 {
      font-size: 17px;
      color: #ffffff;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 13.5px;
      color: var(--text-light-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-more-wrap {
      text-align: center;
      margin-top: 36px;
    }

    /* 10. 运营常见问题排查 (手风琴 FAQ / #faq) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-item details summary {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: #0f172a;
      cursor: pointer;
      list-style: none;
      position: relative;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item details summary::-webkit-details-marker {
      display: none;
    }
    .faq-item details summary::after {
      content: '+';
      font-size: 20px;
      color: var(--accent);
      font-weight: 400;
      transition: transform 0.2s;
    }
    .faq-item details[open] summary::after {
      content: '−';
    }
    .faq-answer {
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 14.5px;
      line-height: 1.7;
      border-top: 1px solid #f8fafc;
    }

    /* 11. 商业合作对接表单 (#contact) */
    .contact-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 0 8px 30px rgba(0,0,0,0.06);
      border: 1px solid var(--border-light);
    }
    .contact-info-panel {
      padding-right: 20px;
      border-right: 1px solid #f1f5f9;
    }
    .contact-info-panel h3 {
      font-size: 24px;
      margin-bottom: 16px;
      color: #0f172a;
    }
    .contact-info-panel p {
      color: var(--text-muted);
      font-size: 14.5px;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .contact-channel-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 18px;
    }
    .contact-channel-item strong {
      font-size: 14px;
      display: block;
      color: #0f172a;
    }
    .contact-channel-item span {
      font-size: 13px;
      color: var(--text-muted);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 13.5px;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #cbd5e1;
      font-size: 14px;
      outline: none;
      transition: var(--transition);
      background: #f8fafc;
    }
    .form-control:focus {
      border-color: var(--accent);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 94, 30, 0.1);
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    /* 12. 底部强号召 CTA (#cta) */
    .cta-banner {
      background: linear-gradient(135deg, #0b0e14 0%, #151d2c 100%);
      border: 1px solid rgba(0, 240, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 60px 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-banner::before {
      content: '';
      position: absolute;
      top: -50px;
      right: -50px;
      width: 200px;
      height: 200px;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-banner h2 {
      font-size: 32px;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .cta-banner p {
      font-size: 16px;
      color: var(--text-light-muted);
      max-width: 650px;
      margin: 0 auto 30px;
    }

    /* 页脚系统 */
    footer.main-footer {
      background: #06080c;
      color: var(--text-light-muted);
      padding: 70px 0 30px;
      border-top: 1px solid var(--border-color);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      font-size: 16px;
      color: #ffffff;
      margin-bottom: 18px;
    }
    .footer-col p {
      font-size: 13.5px;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .intro-grid { grid-template-columns: 1fr; }
      .advantage-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: 1fr; }
      .service-card.highlight { transform: none; }
      .tactics-board { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .contact-info-panel { border-right: none; border-bottom: 1px solid #f1f5f9; padding-bottom: 24px; padding-right: 0; }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        gap: 16px;
      }
      .nav-menu.open { display: flex; }
      .mobile-toggle { display: block; }
      .hero-content h1 { font-size: 30px; }
      .advantage-grid { grid-template-columns: 1fr; }
      .timeline-wrap::before { left: 20px; }
      .timeline-item { justify-content: flex-start !important; }
      .timeline-dot { left: 20px; }
      .timeline-card { width: calc(100% - 44px); margin-left: 44px; }
      .metrics-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .hero-top-flash { flex-direction: column; gap: 8px; text-align: center; }
      .form-row { grid-template-columns: 1fr; }
    }