/* roulang page: index */
:root {
      --canvas-base: #0E1117;
      --page-bg: #F8F9FA;
      --card-bg: #FFFFFF;
      --brand-primary: #1E293B;
      --brand-accent: #E11D48;
      --brand-accent-hover: #BE123C;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-sub: #475569;
      --border-light: #E2E8F0;
      --border-dark: #27272A;
      --badge-green: #059669;
      --badge-green-bg: #ECFDF5;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
      --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
      --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--page-bg);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部辅助条 */
    .top-bar {
      height: 36px;
      background: #F1F5F9;
      border-bottom: 1px solid var(--border-light);
      font-size: 13px;
      color: var(--text-muted);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--badge-green);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.2);
    }

    /* 主导航 */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 50;
      background: #FFFFFF;
      height: 68px;
      border-bottom: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
    }
    .site-nav .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.02em;
    }
    .brand-logo-icon {
      width: 32px;
      height: 32px;
      background: var(--brand-accent);
      color: #FFF;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }
    .nav-item a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-sub);
      transition: var(--transition);
      position: relative;
    }
    .nav-item a:hover, .nav-item.active a {
      color: var(--brand-accent);
    }
    .nav-item.active a::after {
      content: '';
      position: absolute;
      bottom: -22px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--brand-accent);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      gap: 8px;
    }
    .btn-accent {
      background: var(--brand-accent);
      color: #FFFFFF;
    }
    .btn-accent:hover {
      background: var(--brand-accent-hover);
      box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
    }
    .btn-outline {
      background: transparent;
      border-color: var(--border-light);
      color: var(--brand-primary);
    }
    .btn-outline:hover {
      background: #F8FAFC;
      border-color: #CBD5E1;
    }
    .btn-white {
      background: #FFFFFF;
      color: var(--brand-primary);
    }
    .btn-white:hover {
      background: #F1F5F9;
    }
    .mobile-menu-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 22px;
      color: var(--brand-primary);
      cursor: pointer;
    }

    /* 统一样式：板块 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--brand-accent);
      margin-bottom: 12px;
      display: inline-block;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.02em;
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. HERO SECTION: 优惠券墙入口 + 强转化 */
    .hero-wrap {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 60px 0 80px 0;
      border-bottom: 1px solid var(--border-light);
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 42px;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1.2;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
    }
    .hero-content p {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .hero-cta-box {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-metrics {
      display: flex;
      gap: 28px;
      border-top: 1px solid #CBD5E1;
      padding-top: 24px;
    }
    .metric-item span {
      display: block;
      font-size: 22px;
      font-weight: 800;
      color: var(--brand-primary);
    }
    .metric-item label {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 优惠券墙主券面板 */
    .coupon-card-wall {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-xl);
      position: relative;
    }
    .coupon-badge-top {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--brand-accent);
      color: #FFF;
      font-size: 12px;
      padding: 4px 12px;
      border-radius: 20px;
      font-weight: 700;
    }
    .coupon-val {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 8px;
    }
    .coupon-val .symbol {
      font-size: 24px;
      color: var(--brand-accent);
      font-weight: 700;
    }
    .coupon-val .number {
      font-size: 48px;
      color: var(--brand-accent);
      font-weight: 800;
      line-height: 1;
    }
    .coupon-val .unit {
      font-size: 15px;
      color: var(--text-sub);
      font-weight: 600;
    }
    .coupon-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 8px;
    }
    .coupon-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
      border-bottom: 1px dashed var(--border-light);
      padding-bottom: 16px;
    }
    .coupon-list-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .coupon-list-item i {
      color: var(--badge-green);
    }

    /* 2. 问题陈述：痛点矩阵 */
    .bg-white {
      background: #FFFFFF;
    }
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: var(--page-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 30px;
      transition: var(--transition);
    }
    .pain-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .pain-icon-wrapper {
      width: 44px;
      height: 44px;
      background: #FEE2E2;
      color: #DC2626;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-md);
      font-size: 18px;
      margin-bottom: 18px;
    }
    .pain-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 10px;
    }
    .pain-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 卖点三连：全周期发行引擎 */
    .triad-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .triad-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      position: relative;
      transition: var(--transition);
    }
    .triad-card:hover {
      border-color: var(--brand-accent);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .triad-num {
      font-size: 32px;
      font-weight: 800;
      color: #E2E8F0;
      line-height: 1;
      margin-bottom: 16px;
    }
    .triad-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 12px;
    }
    .triad-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 操作演示：三步上手与交互演示 */
    .demo-block {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .demo-nav {
      display: flex;
      background: #F1F5F9;
      border-bottom: 1px solid var(--border-light);
    }
    .demo-tab-btn {
      flex: 1;
      padding: 18px 24px;
      border: none;
      background: transparent;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-sub);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-right: 1px solid var(--border-light);
      transition: var(--transition);
    }
    .demo-tab-btn:last-child {
      border-right: none;
    }
    .demo-tab-btn.active {
      background: #FFFFFF;
      color: var(--brand-accent);
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }
    .demo-body {
      padding: 36px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .demo-body h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 12px;
    }
    .demo-body p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .demo-steps {
      list-style: none;
    }
    .demo-steps li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 12px;
      font-size: 14px;
      color: var(--text-sub);
    }
    .demo-steps li::before {
      content: '✓';
      position: absolute;
      left: 0;
      top: 0;
      color: var(--badge-green);
      font-weight: 700;
    }
    .demo-screen {
      background: #0F172A;
      border-radius: var(--radius-md);
      padding: 24px;
      color: #94A3B8;
      font-family: monospace;
      font-size: 13px;
      line-height: 1.5;
    }
    .code-accent {
      color: #38BDF8;
    }
    .code-str {
      color: #4ADE80;
    }

    /* 5. 核心优势矩阵：6 卡片网格 */
    .grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .spec-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: var(--transition);
    }
    .spec-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .spec-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .spec-icon {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: #F1F5F9;
      color: var(--brand-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    .spec-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--brand-primary);
    }
    .spec-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 6. 发行品类与结果预览 (展厅卡片) */
    .category-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .category-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .category-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .category-thumb {
      height: 190px;
      width: 100%;
      position: relative;
      overflow: hidden;
      background: #CBD5E1;
    }
    .category-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .category-card:hover .category-thumb img {
      transform: scale(1.05);
    }
    .category-tag-float {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.8);
      color: #FFF;
      font-size: 12px;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
      backdrop-filter: blur(4px);
    }
    .category-body {
      padding: 24px;
      flex: 1;
    }
    .category-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 8px;
    }
    .category-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .category-stat-row {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid var(--border-light);
      padding-top: 12px;
      font-size: 13px;
    }
    .stat-label {
      color: var(--text-muted);
    }
    .stat-num {
      font-weight: 700;
      color: var(--badge-green);
    }

    /* 7. 深色对比区：战略与发行案例拆解 */
    .dark-mode-section {
      background: var(--canvas-base);
      color: #F8FAFC;
      padding: 90px 0;
      position: relative;
    }
    .dark-mode-section .section-title {
      color: #FFFFFF;
    }
    .dark-mode-section .section-desc {
      color: #94A3B8;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .dark-case-box {
      background: #181C24;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
    }
    .dark-case-box h4 {
      font-size: 18px;
      margin-bottom: 16px;
      color: #F1F5F9;
    }
    .gantt-flow {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .flow-item {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 14px;
    }
    .flow-step-label {
      width: 80px;
      color: #94A3B8;
    }
    .flow-progress-bar {
      flex: 1;
      height: 8px;
      background: #27272A;
      border-radius: 4px;
      overflow: hidden;
    }
    .progress-fill {
      height: 100%;
      background: var(--brand-accent);
      border-radius: 4px;
    }

    /* 8. 常见卡住点与误区澄清 */
    .pitfall-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .pitfall-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
    }
    .pitfall-card.wrong {
      border-left: 4px solid #EF4444;
    }
    .pitfall-card.right {
      border-left: 4px solid var(--badge-green);
    }
    .pitfall-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      font-weight: 700;
      font-size: 16px;
    }
    .wrong .pitfall-header {
      color: #EF4444;
    }
    .right .pitfall-header {
      color: var(--badge-green);
    }
    .pitfall-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 9. 成功路径：用户旅程条 */
    .journey-wrapper {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      position: relative;
    }
    .journey-step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px;
      position: relative;
    }
    .step-index-badge {
      display: inline-block;
      width: 28px;
      height: 28px;
      line-height: 28px;
      text-align: center;
      background: var(--brand-primary);
      color: #FFF;
      font-weight: 700;
      font-size: 12px;
      border-radius: 50%;
      margin-bottom: 14px;
    }
    .journey-step-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 8px;
    }
    .journey-step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 10. 关键发行数据统计条 */
    .metrics-bar-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
      padding: 40px 0;
    }
    .stat-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-bar-col:not(:last-child) {
      border-right: 1px solid var(--border-light);
    }
    .stat-bar-num {
      font-size: 38px;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-bar-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 11. 合作伙伴与口碑评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .quote-content {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }
    .author-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-primary);
      font-weight: 700;
    }
    .author-info h4 {
      font-size: 14px;
      color: var(--brand-primary);
      font-weight: 700;
    }
    .author-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 12. 行业资讯与动态证据 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .news-thumb {
      height: 160px;
      width: 100%;
      overflow: hidden;
      background: #CBD5E1;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-body h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--brand-primary);
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .news-body p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 13. 开发者常见疑问拆解 (FAQ 手风琴) */
    .faq-container {
      max-width: 840px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--brand-primary);
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
      display: none;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--brand-accent);
    }

    /* 14. 终极转化与服务保障条 (线索获客) */
    .final-cta-section {
      background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
      color: #FFFFFF;
      padding: 70px 0;
    }
    .cta-card-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-text-side h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .cta-text-side p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.65;
      margin-bottom: 24px;
    }
    .guarantee-badges {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #E2E8F0;
    }
    .guarantee-item i {
      color: var(--badge-green);
    }
    .cta-form-side {
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-xl);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--brand-primary);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      height: 42px;
      padding: 8px 14px;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--brand-accent);
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1);
    }
    .form-submit-btn {
      width: 100%;
      height: 44px;
      background: var(--brand-accent);
      color: #FFF;
      border: none;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
    }
    .form-submit-btn:hover {
      background: var(--brand-accent-hover);
    }
    .form-privacy-note {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 10px;
      text-align: center;
    }

    /* 浮动转化条 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(8px);
      color: #FFF;
      padding: 12px 24px;
      z-index: 40;
      box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: transform 0.3s ease;
    }
    .sticky-bar-text {
      font-size: 14px;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sticky-bar-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 页脚 */
    .site-footer {
      background: #0B0F17;
      color: #94A3B8;
      padding: 60px 0 30px 0;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 18px;
      color: #FFF;
      margin-bottom: 14px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .footer-col h4 {
      font-size: 15px;
      color: #FFF;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: var(--transition);
      font-size: 13px;
    }
    .footer-links a:hover {
      color: #FFF;
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .cta-card-box, .dark-grid, .demo-body {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .grid-6, .triad-grid, .pain-grid, .category-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .journey-wrapper {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-light);
        gap: 16px;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-item.active a::after {
        display: none;
      }
      .nav-btn-box {
        display: none;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .grid-6, .triad-grid, .pain-grid, .category-grid, .testimonial-grid, .news-grid, .pitfall-grid, .journey-wrapper, .stat-bar-grid {
        grid-template-columns: 1fr;
      }
      .stat-bar-col:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        padding-bottom: 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .sticky-bar-text span {
        display: none;
      }
    }