/* roulang page: index */
:root {
      --primary: #F97316;
      --primary-hover: #EA580C;
      --primary-light: #FFEDD5;
      --secondary: #334155;
      --dark-bg: #0F172A;
      --dark-card: #1E293B;
      --body-bg: #F8FAFC;
      --white: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --accent-green: #10B981;
      --border-color: #E2E8F0;
      --border-dark: #334155;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
      --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --transition: all 0.3s ease;
    }

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

    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(--body-bg);
      color: var(--text-main);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      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;
      font-size: inherit;
      line-height: inherit;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部信息栏 */
    .top-bar {
      background-color: var(--dark-bg);
      color: var(--text-light);
      font-size: 0.875rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 主导航 */
    .site-header {
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-badge {
      background: linear-gradient(135deg, var(--primary), #FB923C);
      color: var(--white);
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-md);
      font-size: 1.125rem;
      font-weight: 900;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-weight: 500;
      color: var(--secondary);
      padding: 8px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
      border-radius: var(--radius-full);
    }
    .nav-cta-btn {
      background-color: var(--primary);
      color: var(--white) !important;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
    }
    .nav-cta-btn:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      min-height: 48px;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: var(--white);
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
    }
    .btn-secondary {
      background-color: var(--white);
      color: var(--secondary);
      border-color: var(--border-color);
    }
    .btn-secondary:hover {
      background-color: #F1F5F9;
      color: var(--text-main);
      transform: translateY(-3px);
    }
    .btn-dark {
      background-color: var(--dark-card);
      color: var(--white);
      border-color: var(--border-dark);
    }
    .btn-dark:hover {
      background-color: #334155;
      transform: translateY(-3px);
    }

    /* 板块通用 */
    .section {
      padding: 80px 0;
      position: relative;
    }
    .section-light {
      background-color: var(--white);
    }
    .section-gray {
      background-color: #F8FAFC;
    }
    .section-dark {
      background-color: var(--dark-bg);
      color: var(--white);
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }
    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      background-color: var(--primary-light);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.875rem;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
    }
    .section-dark .section-tag {
      background-color: rgba(249, 115, 22, 0.2);
      color: #FB923C;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-dark .section-title {
      color: var(--white);
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-dark .section-desc {
      color: var(--text-light);
    }

    /* 1. 工具落地首屏 Hero (蓝图执行) */
    .hero-tool {
      background: linear-gradient(180deg, #FFFFFF 0%, #FFF7ED 100%);
      padding: 70px 0 90px 0;
      border-bottom: 1px solid #FED7AA;
    }
    .hero-tool-inner {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .hero-tool-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background-color: #FED7AA;
      color: #9A3412;
      border-radius: var(--radius-full);
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .hero-tool-h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-tool-h1 span {
      color: var(--primary);
    }
    .hero-tool-p {
      font-size: 1.125rem;
      color: var(--secondary);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-tool-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-features-strip {
      display: flex;
      gap: 24px;
      border-top: 1px dashed #FDBA74;
      padding-top: 24px;
    }
    .hero-strip-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--secondary);
    }
    .hero-strip-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-green);
    }
    .hero-tool-stage {
      background-color: var(--white);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: 0 20px 40px -15px rgba(249, 115, 22, 0.15), 0 0 0 1px rgba(249, 115, 22, 0.1);
      position: relative;
    }
    .hero-tool-stage img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-stage-float {
      position: absolute;
      bottom: 35px;
      left: 35px;
      right: 35px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      color: var(--white);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      display: flex;
      justify-content: space-between;
      align-items: center;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    /* 2. 内容日历区 */
    .calendar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .calendar-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      transition: var(--transition);
      position: relative;
    }
    .calendar-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
    }
    .calendar-time {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
      display: block;
    }
    .calendar-title {
      font-size: 1.125rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .calendar-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 热门专题区 (Bento 栅格) */
    .topics-bento {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .topic-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .topic-img-wrap {
      position: relative;
      height: 200px;
      overflow: hidden;
    }
    .topic-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .topic-card:hover .topic-img-wrap img {
      transform: scale(1.05);
    }
    .topic-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.8);
      color: var(--white);
      padding: 4px 10px;
      font-size: 0.75rem;
      border-radius: var(--radius-sm);
      backdrop-filter: blur(4px);
    }
    .topic-content {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .topic-h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .topic-p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .topic-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: var(--text-light);
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
    }

    /* 4. 观点解读区 (交错图文) */
    .insight-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 60px;
    }
    .insight-row:last-child {
      margin-bottom: 0;
    }
    .insight-row.reverse {
      direction: rtl;
    }
    .insight-row.reverse .insight-content {
      direction: ltr;
    }
    .insight-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .insight-img-wrap img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }
    .insight-content h3 {
      font-size: 1.65rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .insight-content p {
      color: var(--text-muted);
      font-size: 1rem;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .insight-checklist {
      list-style: none;
      margin-bottom: 24px;
    }
    .insight-checklist li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 10px;
      font-weight: 500;
      color: var(--secondary);
    }
    .insight-checklist li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--accent-green);
      font-weight: 900;
    }

    /* 5. 资讯中心区 */
    .news-list-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-item {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .news-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .news-date {
      font-size: 0.825rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 10px;
    }
    .news-h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 6. 媒体精选区 (深色) */
    .media-quotes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .media-card {
      background: var(--dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
    }
    .media-outlet {
      font-size: 0.9rem;
      font-weight: 700;
      color: #FB923C;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .media-quote-text {
      color: #E2E8F0;
      font-size: 0.975rem;
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
      font-style: italic;
    }
    .media-author {
      font-size: 0.85rem;
      color: var(--text-light);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 12px;
    }

    /* 7. 数据分析与技术指标区 */
    .metrics-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      background: linear-gradient(135deg, #1E293B, #0F172A);
      border-radius: var(--radius-lg);
      padding: 48px 36px;
      color: var(--white);
      box-shadow: var(--shadow-lg);
    }
    .metric-box {
      text-align: center;
      border-right: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0 16px;
    }
    .metric-box:last-child {
      border-right: none;
    }
    .metric-number {
      font-size: 3rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 12px;
    }
    .metric-unit {
      font-size: 1.25rem;
      font-weight: 600;
    }
    .metric-label {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 8. 平台保障区 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 20px;
      text-align: center;
      transition: var(--transition);
    }
    .guarantee-card:hover {
      border-color: var(--accent-green);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .guarantee-icon {
      width: 56px;
      height: 56px;
      background: #ECFDF5;
      color: var(--accent-green);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin: 0 auto 18px auto;
    }
    .guarantee-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .guarantee-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 9. 选型与配置矩阵区 (扩充) */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      border: 2px solid var(--border-color);
      padding: 32px 24px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .matrix-card.featured {
      border-color: var(--primary);
      box-shadow: 0 10px 30px rgba(249, 115, 22, 0.15);
    }
    .matrix-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: var(--white);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
    }
    .matrix-role {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .matrix-target {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }
    .matrix-specs {
      list-style: none;
      margin-bottom: 28px;
      flex: 1;
    }
    .matrix-specs li {
      font-size: 0.925rem;
      color: var(--secondary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .matrix-specs li::before {
      content: '●';
      color: var(--primary);
      font-size: 0.75rem;
    }

    /* 10. 用户故事流区 (扩充) */
    .story-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .story-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      box-shadow: var(--shadow-sm);
    }
    .story-img-side {
      width: 40%;
      position: relative;
    }
    .story-img-side img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .story-body {
      width: 60%;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .story-user {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text-main);
    }
    .story-location {
      font-size: 0.8rem;
      color: var(--primary);
      margin-bottom: 12px;
      font-weight: 600;
    }
    .story-quote {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 11. 常见解答 FAQ 区 (扩充) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #CBD5E1;
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-toggle-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      display: block;
    }

    /* 12. 订阅与专属通道条 (蓝图执行) */
    .subscribe-banner {
      background: linear-gradient(135deg, var(--primary) 0%, #EA580C 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: var(--white);
      box-shadow: 0 20px 35px -10px rgba(234, 88, 12, 0.4);
    }
    .subscribe-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .subscribe-h2 {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .subscribe-p {
      font-size: 1rem;
      opacity: 0.95;
      line-height: 1.6;
    }
    .subscribe-form {
      display: flex;
      gap: 12px;
    }
    .subscribe-input {
      flex: 1;
      padding: 14px 18px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.95);
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
    }
    .subscribe-input:focus {
      background: var(--white);
      box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
    }
    .subscribe-btn {
      background-color: var(--dark-bg);
      color: var(--white);
      padding: 14px 28px;
      font-weight: 700;
      border-radius: var(--radius-md);
      border: none;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }
    .subscribe-btn:hover {
      background-color: #1E293B;
      transform: translateY(-2px);
    }

    /* 浮动行动条 (吸底可选) */
    .floating-bar {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 999;
      background: rgba(15, 23, 42, 0.92);
      backdrop-filter: blur(10px);
      padding: 12px 24px;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
      display: flex;
      align-items: center;
      gap: 20px;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .floating-text {
      color: var(--white);
      font-size: 0.9rem;
      font-weight: 500;
    }
    .floating-text strong {
      color: #FB923C;
    }
    .floating-btn {
      background: var(--primary);
      color: var(--white);
      padding: 8px 18px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
    }
    .floating-btn:hover {
      background: var(--primary-hover);
    }

    /* 页脚 Footer */
    .site-footer {
      background-color: #0B1120;
      color: var(--text-light);
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h3 {
      font-size: 1.35rem;
      color: var(--white);
      font-weight: 800;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 18px;
      font-size: 0.9rem;
    }
    .footer-col h4 {
      color: var(--white);
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-contact-list {
      list-style: none;
    }
    .footer-contact-list li {
      margin-bottom: 12px;
      line-height: 1.5;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }
    .footer-copyright {
      color: var(--text-light);
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .calendar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .metric-box:nth-child(2) {
        border-right: none;
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .hero-tool-inner {
        grid-template-columns: 1fr;
      }
      .hero-tool-h1 {
        font-size: 2.1rem;
      }
      .topics-bento {
        grid-template-columns: 1fr;
      }
      .insight-row, .insight-row.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
      }
      .insight-row.reverse .insight-content {
        direction: ltr;
      }
      .news-list-grid {
        grid-template-columns: 1fr;
      }
      .media-quotes-grid {
        grid-template-columns: 1fr;
      }
      .metrics-container {
        grid-template-columns: 1fr;
      }
      .metric-box {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 20px;
      }
      .metric-box:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .story-grid {
        grid-template-columns: 1fr;
      }
      .story-card {
        flex-direction: column;
      }
      .story-img-side, .story-body {
        width: 100%;
      }
      .story-img-side {
        height: 200px;
      }
      .subscribe-inner {
        grid-template-columns: 1fr;
      }
      .subscribe-form {
        flex-direction: column;
      }
      .floating-bar {
        width: 90%;
        justify-content: space-between;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }