/* roulang page: index */
:root {
      --primary-dark: #0F242A;
      --primary-deep: #09161A;
      --secondary-gold: #C5A880;
      --secondary-gold-light: #E0C9A6;
      --bg-light: #F8F9FA;
      --bg-white: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #475569;
      --text-light: #F1F5F9;
      --border-color: rgba(15, 36, 42, 0.08);
      --border-gold: rgba(197, 168, 128, 0.35);
      --shadow-sm: 0 4px 20px -2px rgba(15, 36, 42, 0.06);
      --shadow-md: 0 12px 32px -4px rgba(15, 36, 42, 0.12);
      --radius-sm: 6px;
      --radius-md: 8px;
      --transition-base: all 0.28s ease-in-out;
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

    ul, ol {
      list-style: none;
    }

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

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(15, 36, 42, 0.95);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(197, 168, 128, 0.2);
    }

    .top-bar {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
      color: #94A3B8;
      padding: 6px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .top-bar a:hover {
      color: var(--secondary-gold);
    }

    .main-nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 0;
    }

    .logo-brand {
      display: flex;
      flex-direction: column;
    }

    .logo-main {
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .logo-main::before {
      content: "";
      display: inline-block;
      width: 10px;
      height: 10px;
      background: var(--secondary-gold);
      transform: rotate(45deg);
    }

    .logo-sub {
      font-size: 10px;
      color: var(--secondary-gold);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      font-weight: 500;
      margin-top: 2px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-item {
      font-size: 15px;
      font-weight: 500;
      color: #E2E8F0;
      position: relative;
      padding: 4px 0;
    }

    .nav-item:hover, .nav-item.active {
      color: var(--secondary-gold);
    }

    .nav-item.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--secondary-gold);
    }

    .btn-nav-cta {
      background: var(--secondary-gold);
      color: var(--primary-deep);
      font-size: 14px;
      font-weight: 600;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      transition: var(--transition-base);
    }

    .btn-nav-cta:hover {
      background: #D4BA94;
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid rgba(255,255,255,0.2);
      color: #FFFFFF;
      padding: 6px 10px;
      border-radius: 4px;
      font-size: 14px;
      cursor: pointer;
    }

    /* 通用组件 */
    .section-wrap {
      padding: 85px 0;
      position: relative;
    }

    .section-dark {
      background-color: var(--primary-deep);
      color: var(--text-light);
    }

    .section-slate {
      background-color: var(--primary-dark);
      color: var(--text-light);
    }

    .section-light {
      background-color: var(--bg-light);
    }

    .section-header {
      margin-bottom: 48px;
    }

    .section-header.center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .badge-pill {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 1px;
      padding: 4px 12px;
      border-radius: 4px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .badge-pill-gold {
      background-color: rgba(197, 168, 128, 0.15);
      color: var(--secondary-gold);
      border: 1px solid var(--border-gold);
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .section-dark .section-title,
    .section-slate .section-title {
      color: #FFFFFF;
    }

    .section-desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-muted);
    }

    .section-dark .section-desc,
    .section-slate .section-desc {
      color: #94A3B8;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: var(--secondary-gold);
      color: var(--primary-deep);
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--secondary-gold);
      cursor: pointer;
      transition: var(--transition-base);
    }

    .btn-primary:hover {
      background-color: #D4BA94;
      border-color: #D4BA94;
      transform: translateY(-2px);
      box-shadow: 0 4px 14px rgba(197, 168, 128, 0.3);
    }

    .btn-outline-white {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: transparent;
      color: #FFFFFF;
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.35);
      cursor: pointer;
      transition: var(--transition-base);
    }

    .btn-outline-white:hover {
      background-color: rgba(255, 255, 255, 0.1);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }

    /* 01. 首屏 Hero */
    .hero-kv-section {
      position: relative;
      background: linear-gradient(rgba(9, 22, 26, 0.88), rgba(9, 22, 26, 0.94)), url('/assets/images/736c96ec4c536803.webp') center/cover no-repeat;
      color: #FFFFFF;
      padding: 90px 0 70px;
      border-bottom: 1px solid rgba(197, 168, 128, 0.2);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 42px;
      font-weight: 700;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
      color: #FFFFFF;
    }

    .hero-h1 span {
      color: var(--secondary-gold);
    }

    .hero-lead {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 28px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 34px;
    }

    .hero-tag-item {
      font-size: 13px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 5px 12px;
      border-radius: var(--radius-sm);
      color: #E2E8F0;
    }

    .hero-cta-box {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }

    .hero-card-panel {
      background: rgba(15, 36, 42, 0.85);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-md);
      backdrop-filter: blur(8px);
    }

    .hero-card-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--secondary-gold);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-process-list li {
      position: relative;
      padding-left: 20px;
      margin-bottom: 12px;
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.6;
    }

    .hero-process-list li::before {
      content: "▪";
      position: absolute;
      left: 0;
      top: -1px;
      color: var(--secondary-gold);
      font-size: 16px;
    }

    .countdown-strip {
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .countdown-text {
      font-size: 14px;
      color: #94A3B8;
    }

    .countdown-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(197, 168, 128, 0.15);
      border: 1px solid var(--border-gold);
      padding: 6px 14px;
      border-radius: 4px;
      font-size: 13px;
      color: var(--secondary-gold);
      font-weight: 500;
    }

    /* 02. 团队与矩阵介绍 */
    .matrix-section {
      background-color: var(--bg-white);
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 48px;
      align-items: center;
    }

    .matrix-image-box {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .matrix-content-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 24px;
    }

    .matrix-item {
      padding: 18px 20px;
      background: var(--bg-light);
      border-left: 4px solid var(--secondary-gold);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    .matrix-item h4 {
      font-size: 17px;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .matrix-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 03. 核心优势六卡片 */
    .grid-3-col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-base);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-gold);
    }

    .feature-icon-bar {
      width: 44px;
      height: 44px;
      background: rgba(15, 36, 42, 0.05);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 20px;
      border: 1px solid rgba(15, 36, 42, 0.1);
    }

    .feature-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 12px;
      color: var(--primary-dark);
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 04. 定制法务方案三列对比 */
    .tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      align-items: stretch;
    }

    .tier-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-base);
    }

    .tier-card.featured {
      border: 2px solid var(--secondary-gold);
      transform: scale(1.02);
      box-shadow: var(--shadow-md);
      background: #FDFAF5;
    }

    .featured-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--secondary-gold);
      color: var(--primary-deep);
      font-size: 12px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }

    .tier-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--primary-dark);
    }

    .tier-subtitle {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 38px;
    }

    .tier-checklist {
      margin-bottom: 30px;
      flex-grow: 1;
    }

    .tier-checklist li {
      font-size: 14px;
      color: var(--text-main);
      padding: 8px 0;
      border-bottom: 1px dashed rgba(15, 36, 42, 0.08);
      position: relative;
      padding-left: 20px;
    }

    .tier-checklist li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--secondary-gold);
      font-weight: bold;
    }

    /* 05. 重点行业场景解决方案 */
    .scenario-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 40px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      padding: 24px;
    }

    .scenario-item:last-child {
      margin-bottom: 0;
    }

    .scenario-thumb {
      border-radius: var(--radius-sm);
      overflow: hidden;
      height: 260px;
    }

    .scenario-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .scenario-content h3 {
      font-size: 20px;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }

    .scenario-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .scenario-points {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .scenario-point-line {
      font-size: 13px;
      color: #334155;
      background: var(--bg-light);
      padding: 6px 12px;
      border-radius: 4px;
    }

    /* 06. 深色案例复盘与合规理念 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .case-philosophy h3 {
      font-size: 26px;
      color: #FFFFFF;
      margin-bottom: 20px;
      line-height: 1.4;
    }

    .case-philosophy p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .case-cards-col {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .case-mini-card {
      background: rgba(15, 36, 42, 0.7);
      border: 1px solid rgba(197, 168, 128, 0.25);
      padding: 20px;
      border-radius: var(--radius-sm);
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--secondary-gold);
      margin-bottom: 8px;
      font-weight: 600;
    }

    .case-mini-card h4 {
      font-size: 16px;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .case-mini-card p {
      font-size: 13px;
      color: #CBD5E1;
      line-height: 1.6;
    }

    /* 07. 全球协同与法域覆盖 */
    .regions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .region-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .region-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--primary-dark);
      padding-bottom: 12px;
      border-bottom: 2px solid var(--secondary-gold);
      margin-bottom: 16px;
    }

    .region-rules-list li {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 10px;
      line-height: 1.5;
    }

    /* 08. 跨法域企业出海落地旅程 */
    .timeline-wrap {
      position: relative;
      border-left: 2px solid var(--border-gold);
      margin-left: 20px;
      padding-left: 32px;
    }

    .timeline-node {
      position: relative;
      margin-bottom: 36px;
    }

    .timeline-node:last-child {
      margin-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: -41px;
      top: 4px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--secondary-gold);
      border: 3px solid var(--primary-deep);
    }

    .timeline-phase {
      font-size: 12px;
      font-weight: 700;
      color: var(--secondary-gold);
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 4px;
    }

    .timeline-heading {
      font-size: 18px;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .timeline-desc {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 09. 关键法务数据统计条 */
    .stats-section {
      background: var(--primary-dark);
      border-top: 1px solid rgba(197, 168, 128, 0.2);
      border-bottom: 1px solid rgba(197, 168, 128, 0.2);
      padding: 50px 0;
    }

    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .stat-num {
      font-size: 38px;
      font-weight: 800;
      color: var(--secondary-gold);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13px;
      color: #CBD5E1;
      letter-spacing: 0.5px;
    }

    /* 10. 出海企业客户评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .testi-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .testi-author-box {
      border-top: 1px solid rgba(15, 36, 42, 0.08);
      padding-top: 14px;
    }

    .testi-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-dark);
    }

    .testi-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. 自主风控 vs 传统代办 差异化对比 */
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      background: var(--bg-white);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid rgba(15, 36, 42, 0.08);
    }

    .compare-table th {
      background: var(--bg-light);
      color: var(--primary-dark);
      font-weight: 700;
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .compare-table td:nth-child(2) {
      color: var(--text-muted);
      background-color: #FAFAFA;
    }

    .compare-table td:nth-child(3) {
      color: var(--primary-dark);
      font-weight: 600;
      background-color: #FDFAF5;
      border-left: 1px solid rgba(197, 168, 128, 0.2);
    }

    /* 12. 资讯证据区 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition-base);
    }

    .news-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-gold);
    }

    .news-thumb {
      height: 180px;
      overflow: hidden;
    }

    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-date {
      font-size: 12px;
      color: var(--secondary-gold);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--primary-dark);
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .news-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    /* 13. FAQ 手风琴区 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }

    .faq-item summary {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary-dark);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      font-size: 20px;
      color: var(--secondary-gold);
      font-weight: 400;
    }

    .faq-item[open] summary::after {
      content: "−";
    }

    .faq-item p {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 14. 保障条与强转化表单 */
    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 48px;
    }

    .guarantee-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(197, 168, 128, 0.2);
      border-radius: var(--radius-sm);
      padding: 20px;
      text-align: center;
    }

    .guarantee-card h4 {
      font-size: 16px;
      color: var(--secondary-gold);
      margin-bottom: 8px;
    }

    .guarantee-card p {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.5;
    }

    .consult-form-wrap {
      max-width: 800px;
      margin: 0 auto;
      background: rgba(15, 36, 42, 0.9);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-bottom: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      text-align: left;
    }

    .form-group.full {
      grid-column: 1 / -1;
    }

    .form-label {
      font-size: 13px;
      color: #CBD5E1;
      font-weight: 500;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      background: #09161A;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      padding: 10px 14px;
      font-size: 14px;
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--secondary-gold);
      box-shadow: 0 0 0 2px rgba(197, 168, 128, 0.2);
    }

    .form-textarea {
      resize: vertical;
      min-height: 80px;
    }

    .form-submit-btn {
      width: 100%;
      background: var(--secondary-gold);
      color: var(--primary-deep);
      border: none;
      font-size: 16px;
      font-weight: 700;
      padding: 13px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition-base);
    }

    .form-submit-btn:hover {
      background: #D4BA94;
      transform: translateY(-1px);
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--primary-deep);
      color: #94A3B8;
      font-size: 13px;
      border-top: 1px solid rgba(197, 168, 128, 0.2);
      padding-top: 60px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 15px;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--secondary-gold);
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list a {
      color: #94A3B8;
    }

    .footer-links-list a:hover {
      color: var(--secondary-gold);
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-copy {
      color: #64748B;
    }

    .footer-icp {
      color: #64748B;
    }

    /* 移动端与响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid,
      .matrix-grid,
      .case-grid,
      .scenario-item {
        grid-template-columns: 1fr;
      }
      .grid-3-col,
      .tier-grid,
      .regions-grid,
      .testimonials-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar-inner {
        flex-direction: column;
        align-items: flex-start;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid rgba(197, 168, 128, 0.2);
        gap: 16px;
      }
      .nav-links.show {
        display: flex;
      }
      .btn-nav-cta {
        display: none;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .grid-3-col,
      .tier-grid,
      .regions-grid,
      .testimonials-grid,
      .news-grid,
      .guarantee-bar,
      .stats-row,
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .section-wrap {
        padding: 55px 0;
      }
      .compare-table {
        display: block;
        overflow-x: auto;
      }
    }