/* roulang page: index */
:root {
      --primary: #1E3A8A;
      --primary-hover: #1e40af;
      --accent: #2563EB;
      --accent-light: #3b82f6;
      --teal: #0D9488;
      --teal-light: #14b8a6;
      --bg-base: #F8FAFC;
      --bg-alt: #F1F5F9;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border: #E2E8F0;
      --border-dark: #334155;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-hover: 0 12px 28px -4px rgba(30, 58, 138, 0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    ul, ol {
      list-style: none;
    }

    button, input, select, textarea {
      font: inherit;
      outline: none;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    @media (min-width: 640px) {
      .container { padding-left: 1.5rem; padding-right: 1.5rem; }
    }
    @media (min-width: 1024px) {
      .container { padding-left: 2rem; padding-right: 2rem; }
    }

    /* 顶部信息栏 */
    .top-bar {
      background-color: var(--bg-alt);
      border-bottom: 1px solid var(--border);
      font-size: 0.8125rem;
      color: var(--text-muted);
      padding: 0.5rem 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-weight: 500;
      color: var(--teal);
    }
    .top-bar-badge::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--teal);
      display: inline-block;
    }
    .top-bar-contact {
      display: flex;
      gap: 1.25rem;
      align-items: center;
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 4.5rem;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
    }
    .brand-logo-icon {
      width: 2.5rem;
      height: 2.5rem;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .nav-link {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 0.25rem 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      border-radius: var(--radius-full);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9375rem;
      font-weight: 600;
      padding: 0.65rem 1.4rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
    }
    .btn-primary:hover {
      background-color: var(--primary);
      box-shadow: 0 6px 18px rgba(30, 58, 138, 0.35);
      transform: translateY(-1px);
    }
    .btn-outline {
      border-color: var(--accent);
      color: var(--accent);
      background: transparent;
    }
    .btn-outline:hover {
      background-color: rgba(37, 99, 235, 0.05);
      border-color: var(--primary);
      color: var(--primary);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
      flex-direction: column;
      gap: 5px;
    }
    .mobile-toggle span {
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      display: block;
      transition: var(--transition);
    }

    /* 板块排版基础 */
    .section-wrap {
      padding: 5rem 0;
      position: relative;
    }
    @media (min-width: 1024px) {
      .section-wrap { padding: 6.5rem 0; }
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 3.5rem auto;
    }
    .section-header.text-left {
      text-align: left;
      margin-left: 0;
    }
    .badge-sub {
      display: inline-block;
      padding: 0.35rem 0.85rem;
      background-color: rgba(37, 99, 235, 0.08);
      color: var(--accent);
      border-radius: var(--radius-full);
      font-size: 0.8125rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 0.85rem;
      border: 1px solid rgba(37, 99, 235, 0.15);
    }
    .badge-sub-dark {
      background-color: rgba(20, 184, 166, 0.15);
      color: var(--teal-light);
      border: 1px solid rgba(20, 184, 166, 0.25);
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 1rem;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 卡片基础系统 */
    .card {
      background-color: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .card:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(37, 99, 235, 0.2);
      transform: translateY(-4px);
    }
    .card-dark {
      background-color: var(--bg-dark-card);
      border-color: var(--border-dark);
      color: #E2E8F0;
    }
    .card-dark:hover {
      border-color: rgba(37, 99, 235, 0.5);
      box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.4);
    }

    /* 1. Hero 板块：预约与时段选择版式 */
    .hero-section {
      background: linear-gradient(180deg, #F8FAFC 0%, #EDF2F7 100%);
      padding: 4.5rem 0 5.5rem 0;
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      right: 0;
      width: 55%;
      height: 100%;
      opacity: 0.12;
      pointer-events: none;
      object-fit: cover;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 3rem;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    @media (min-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
      }
    }
    .hero-content h1 {
      font-size: 2.5rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 1.25rem;
      letter-spacing: -0.5px;
    }
    @media (min-width: 768px) {
      .hero-content h1 { font-size: 3rem; }
    }
    .hero-intro {
      font-size: 1.05rem;
      line-height: 1.75;
      color: var(--text-body);
      margin-bottom: 2rem;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-bottom: 2.25rem;
    }
    .hero-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      background: #FFFFFF;
      padding: 0.45rem 0.9rem;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    /* 首屏专属预约卡片 */
    .hero-booking-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 2rem;
      box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.12);
      border: 1px solid rgba(37, 99, 235, 0.18);
    }
    .hero-booking-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.5rem;
    }
    .hero-booking-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
    }
    .form-group {
      margin-bottom: 1.15rem;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 0.45rem;
    }
    .form-control {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background-color: #F8FAFC;
      font-size: 0.9375rem;
      color: var(--text-main);
      transition: var(--transition);
    }
    .form-control:focus {
      background-color: #FFFFFF;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .slot-picker {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.5rem;
      margin-bottom: 1.25rem;
    }
    .slot-btn {
      padding: 0.55rem 0.25rem;
      text-align: center;
      font-size: 0.8125rem;
      font-weight: 500;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: #FFFFFF;
      cursor: pointer;
      transition: var(--transition);
    }
    .slot-btn:hover, .slot-btn.active {
      border-color: var(--accent);
      background-color: rgba(37, 99, 235, 0.08);
      color: var(--accent);
      font-weight: 700;
    }

    /* 2. 运行指标看板 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(1, 1fr);
      gap: 1.5rem;
    }
    @media (min-width: 640px) {
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (min-width: 1024px) {
      .metrics-grid { grid-template-columns: repeat(4, 1fr); }
    }
    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.75rem 1.5rem;
      box-shadow: var(--shadow-sm);
      text-align: left;
      border-top: 4px solid var(--accent);
    }
    .metric-num {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 0.35rem;
      display: flex;
      align-items: baseline;
      gap: 0.25rem;
    }
    .metric-unit {
      font-size: 1rem;
      font-weight: 600;
      color: var(--teal);
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.4rem;
    }
    .metric-sub {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 产线与系统支持能力 */
    .overview-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 3rem;
      align-items: center;
    }
    @media (min-width: 1024px) {
      .overview-grid { grid-template-columns: 1fr 1fr; }
    }
    .overview-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border);
    }
    .overview-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .overview-visual-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 1.5rem;
      background: linear-gradient(0deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0) 100%);
      color: #fff;
    }
    .overview-feature-list {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      margin-top: 1.5rem;
    }
    .overview-feature-item {
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }
    .overview-feature-icon {
      flex-shrink: 0;
      width: 2rem;
      height: 2rem;
      background: rgba(37, 99, 235, 0.1);
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    /* 4. 核心功能矩阵 (6卡片) */
    .features-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
    @media (min-width: 640px) {
      .features-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (min-width: 1024px) {
      .features-grid { grid-template-columns: repeat(3, 1fr); }
    }
    .feature-card {
      padding: 2rem 1.75rem;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .feature-icon-box {
      width: 3rem;
      height: 3rem;
      background: rgba(37, 99, 235, 0.08);
      color: var(--accent);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 1.25rem;
    }
    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.65rem;
    }
    .feature-card p {
      font-size: 0.9125rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. 参数与协议矩阵表 (参数表) */
    .table-container {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9375rem;
    }
    .spec-table th, .spec-table td {
      padding: 1.15rem 1.5rem;
      border-bottom: 1px solid var(--border);
    }
    .spec-table th {
      background-color: var(--bg-alt);
      font-weight: 700;
      color: var(--text-main);
      white-space: nowrap;
    }
    .spec-table tr:last-child td {
      border-bottom: none;
    }
    .spec-table tr:hover td {
      background-color: rgba(248, 250, 252, 0.7);
    }
    .badge-spec {
      padding: 0.2rem 0.6rem;
      font-size: 0.75rem;
      border-radius: var(--radius-full);
      font-weight: 600;
    }
    .badge-spec-teal {
      background: rgba(13, 148, 136, 0.12);
      color: var(--teal);
    }
    .badge-spec-blue {
      background: rgba(37, 99, 235, 0.12);
      color: var(--accent);
    }

    /* 6. 案例现场与治理哲学 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2.5rem;
      align-items: center;
    }
    @media (min-width: 1024px) {
      .case-grid { grid-template-columns: 1.1fr 0.9fr; }
    }
    .case-card-contrast {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2.25rem;
    }
    .contrast-row {
      display: flex;
      justify-content: space-between;
      padding: 1.15rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9375rem;
    }
    .contrast-row:last-child {
      border-bottom: none;
    }
    .contrast-label {
      color: #94A3B8;
    }
    .contrast-before {
      color: #F87171;
      text-decoration: line-through;
      margin-right: 0.75rem;
    }
    .contrast-after {
      color: #34D399;
      font-weight: 700;
    }

    /* 7. 交付全流程 */
    .timeline-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
    @media (min-width: 640px) {
      .timeline-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (min-width: 1024px) {
      .timeline-grid { grid-template-columns: repeat(4, 1fr); }
    }
    .timeline-step-card {
      position: relative;
      padding: 2rem 1.5rem;
      border-radius: var(--radius-md);
      background: #FFFFFF;
      border: 1px solid var(--border);
      height: 100%;
    }
    .step-badge {
      width: 2.25rem;
      height: 2.25rem;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      font-size: 0.9375rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.25rem;
    }
    .timeline-step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.5rem;
    }
    .timeline-step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 8. 关键数据里程碑条 */
    .milestone-banner {
      background-color: var(--bg-alt);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 3.5rem 0;
    }
    .milestone-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
      text-align: center;
    }
    @media (min-width: 1024px) {
      .milestone-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3rem;
      }
    }
    .milestone-item h4 {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 0.35rem;
    }
    .milestone-item p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 9. 用户口碑与信誉评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
    @media (min-width: 768px) {
      .testimonial-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 2rem 1.75rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }
    .testimonial-quote {
      font-size: 0.9375rem;
      line-height: 1.75;
      color: var(--text-body);
      margin-bottom: 1.5rem;
      position: relative;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      border-top: 1px solid var(--border);
      padding-top: 1.15rem;
    }
    .user-avatar {
      width: 2.75rem;
      height: 2.75rem;
      border-radius: 50%;
      background: var(--bg-alt);
      object-fit: cover;
      border: 1px solid var(--border);
    }
    .user-info h5 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-info span {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 10. 动态资讯与合规专区 */
    .news-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.75rem;
    }
    @media (min-width: 768px) {
      .news-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .news-img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      background-color: var(--bg-alt);
    }
    .news-body {
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      font-size: 0.8125rem;
      color: var(--teal);
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .news-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 0.75rem;
    }
    .news-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1.25rem;
      flex-grow: 1;
    }

    /* 11. 常见解答与手风琴 FAQ */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .accordion-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 1rem;
      overflow: hidden;
      transition: var(--transition);
    }
    .accordion-header {
      width: 100%;
      padding: 1.25rem 1.5rem;
      text-align: left;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      background: transparent;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .accordion-icon {
      font-size: 1.25rem;
      transition: transform 0.25s ease;
      color: var(--accent);
    }
    .accordion-body {
      padding: 0 1.5rem 1.25rem 1.5rem;
      font-size: 0.9125rem;
      color: var(--text-body);
      line-height: 1.7;
      display: none;
      border-top: 1px dashed var(--border);
      padding-top: 1rem;
    }
    .accordion-item.active .accordion-body {
      display: block;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(45deg);
    }

    /* 12. 最终询盘与转化预约卡 */
    .cta-box {
      background: linear-gradient(135deg, #1E3A8A 0%, #0F172A 100%);
      border-radius: var(--radius-lg);
      padding: 3rem 2rem;
      color: #FFFFFF;
      box-shadow: 0 20px 40px -8px rgba(15, 23, 42, 0.25);
    }
    @media (min-width: 1024px) {
      .cta-box {
        padding: 4rem 3.5rem;
      }
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2.5rem;
      align-items: center;
    }
    @media (min-width: 1024px) {
      .cta-grid {
        grid-template-columns: 1.15fr 0.85fr;
      }
    }
    .cta-form {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 2rem;
      color: var(--text-main);
    }

    /* 页脚系统 */
    .site-footer {
      background-color: var(--bg-dark);
      color: #94A3B8;
      border-top: 1px solid var(--border-dark);
      padding: 4.5rem 0 2rem 0;
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      }
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 1.25rem;
    }
    .footer-links li {
      margin-bottom: 0.75rem;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 2rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
      align-items: center;
      justify-content: space-between;
      text-align: center;
    }
    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
        text-align: left;
      }
    }

    /* 移动端菜单抽屉 */
    @media (max-width: 1023px) {
      .nav-menu {
        position: fixed;
        top: 4.5rem;
        left: 0;
        right: 0;
        bottom: 0;
        background: #FFFFFF;
        flex-direction: column;
        justify-content: flex-start;
        padding: 2.5rem 1.5rem;
        gap: 1.5rem;
        border-top: 1px solid var(--border);
        display: none;
        overflow-y: auto;
      }
      .nav-menu.open {
        display: flex;
      }
      .mobile-toggle {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
    }