/* roulang page: index */
:root {
      --primary: #185a9d;
      --primary-dark: #0f3d6c;
      --accent: #ff5722;
      --accent-hover: #e64a19;
      --bg-light: #f4f7fb;
      --bg-white: #ffffff;
      --text-main: #1f2937;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      --radius: 12px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    *, *::before, *::after {
      box-sizing: inherit;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover, a:focus {
      color: var(--accent);
      text-decoration: none;
    }

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

    /* 顶部导航 */
    .qz-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: var(--shadow-sm);
    }

    .qz-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .qz-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 24px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
    }

    .qz-brand-badge {
      background: linear-gradient(135deg, #7c3aed, #4f46e5);
      color: #fff;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 999px;
      text-transform: uppercase;
      font-weight: 700;
    }

    .qz-nav-links {
      display: flex;
      gap: 28px;
      margin: 0;
      list-style: none;
    }

    .qz-nav-links a {
      font-weight: 600;
      font-size: 16px;
      color: var(--text-main);
      padding: 8px 4px;
      position: relative;
    }

    .qz-nav-links a.active,
    .qz-nav-links a:hover {
      color: var(--primary);
    }

    .qz-nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--primary);
      border-radius: 2px;
    }

    .qz-nav-cta {
      background: linear-gradient(135deg, var(--accent), #ff7849);
      color: #fff !important;
      padding: 10px 22px;
      border-radius: 999px;
      font-weight: 700;
      box-shadow: 0 4px 12px rgba(255, 87, 34, 0.28);
    }

    .qz-nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(255, 87, 34, 0.38);
    }

    /* 沉浸式海报 Hero */
    .qz-hero {
      position: relative;
      background: radial-gradient(circle at center, #1b2838 0%, #0d1520 100%);
      color: #ffffff;
      padding: 80px 0 100px;
      overflow: hidden;
    }

    .qz-hero::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: url('/assets/images/13090bf71cb18b6e.webp') center/cover no-repeat;
      opacity: 0.22;
      filter: blur(1px);
    }

    .qz-hero-content {
      position: relative;
      z-index: 2;
    }

    .qz-hero-tag {
      display: inline-flex;
      align-items: center;
      background: rgba(255, 87, 34, 0.2);
      border: 1px solid rgba(255, 87, 34, 0.5);
      color: #ff8a65;
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .qz-hero h1 {
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 18px;
      color: #ffffff;
    }

    .qz-hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #cbd5e1;
      margin-bottom: 32px;
      max-width: 680px;
    }

    .qz-hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      align-items: center;
    }

    .btn-main {
      background: var(--accent);
      color: #ffffff;
      font-weight: 700;
      padding: 14px 34px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 6px 18px rgba(255, 87, 34, 0.4);
      border: none;
      cursor: pointer;
    }

    .btn-main:hover {
      background: var(--accent-hover);
      color: #ffffff;
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.12);
      color: #ffffff;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: 999px;
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.2);
      color: #ffffff;
    }

    .qz-poster-card {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
      border: 3px solid rgba(255, 255, 255, 0.15);
      transition: transform 0.3s ease;
    }

    .qz-poster-card:hover {
      transform: scale(1.02);
    }

    .qz-poster-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(4px);
      color: #ffca28;
      padding: 6px 14px;
      border-radius: 6px;
      font-weight: 800;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 通用Section */
    .qz-section {
      padding: 70px 0;
      position: relative;
    }

    .qz-section-white {
      background: var(--bg-white);
    }

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

    .qz-section-header {
      margin-bottom: 48px;
      text-align: center;
    }

    .qz-section-header h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .qz-section-header p {
      color: var(--text-muted);
      max-width: 640px;
      margin: 0 auto;
      font-size: 15px;
      line-height: 1.7;
    }

    /* 倒计时板块 */
    .countdown-bar {
      background: linear-gradient(135deg, #1e3a8a, #0284c7);
      color: #ffffff;
      padding: 30px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-md);
      margin-top: -50px;
      position: relative;
      z-index: 10;
    }

    .countdown-timer {
      display: flex;
      gap: 16px;
      justify-content: center;
      align-items: center;
      margin-top: 12px;
    }

    .timer-unit {
      background: rgba(255, 255, 255, 0.15);
      border-radius: 8px;
      padding: 10px 18px;
      text-align: center;
      min-width: 72px;
    }

    .timer-unit .num {
      display: block;
      font-size: 28px;
      font-weight: 900;
      line-height: 1;
      color: #ffedd5;
    }

    .timer-unit .lbl {
      font-size: 12px;
      color: #e0f2fe;
    }

    /* 卡片通用 */
    .qz-card {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: all 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .qz-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
      border-color: #cbd5e1;
    }

    .qz-card-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
      font-weight: 900;
    }

    .qz-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .qz-card p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 竖屏种草网格 */
    .vertical-reel-card {
      background: #ffffff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-md);
      transition: all 0.3s ease;
      position: relative;
    }

    .vertical-reel-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .reel-cover {
      position: relative;
      height: 320px;
      overflow: hidden;
    }

    .reel-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .vertical-reel-card:hover .reel-cover img {
      transform: scale(1.06);
    }

    .reel-tag {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(0, 0, 0, 0.65);
      color: #ff9800;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
    }

    .reel-info {
      padding: 20px;
    }

    .reel-info h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    /* 步骤与时间线 */
    .qz-step-box {
      position: relative;
      padding: 24px;
      border-left: 3px solid var(--primary);
      background: #ffffff;
      border-radius: 0 var(--radius) var(--radius) 0;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .qz-step-num {
      position: absolute;
      left: -18px;
      top: 20px;
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
    }

    /* 成果指标条 */
    .metric-item {
      text-align: center;
      padding: 20px;
    }

    .metric-value {
      font-size: 40px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 阶梯权益卡 */
    .tier-card {
      border: 2px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px 24px;
      background: #fff;
      text-align: center;
      transition: all 0.3s;
    }

    .tier-card.featured {
      border-color: var(--accent);
      position: relative;
      box-shadow: 0 12px 28px rgba(255, 87, 34, 0.15);
    }

    .tier-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 999px;
    }

    /* 异议与对比 */
    .compare-table {
      width: 100%;
      background: #fff;
      border-radius: var(--radius);
      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;
    }

    .compare-table thead {
      background: #f1f5f9;
      font-weight: 700;
      color: var(--text-main);
    }

    /* 试用申请表单区 */
    .form-panel {
      background: #ffffff;
      padding: 40px;
      border-radius: 16px;
      box-shadow: var(--shadow-lg);
      border: 1px solid #e2e8f0;
    }

    .form-panel input, .form-panel select {
      height: 48px;
      border-radius: 8px;
      border: 1px solid #cbd5e1;
      padding: 0 16px;
      margin-bottom: 18px;
      font-size: 15px;
    }

    .form-panel input:focus, .form-panel select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(24, 90, 157, 0.2);
    }

    /* 底部收口转换条与页脚 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.94);
      backdrop-filter: blur(10px);
      color: #fff;
      padding: 14px 0;
      z-index: 999;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
    }

    .qz-footer {
      background: #0b1320;
      color: #94a3b8;
      padding: 60px 0 100px;
      font-size: 14px;
      border-top: 1px solid #1e293b;
    }

    .qz-footer h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .qz-footer ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

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

    .qz-footer a {
      color: #94a3b8;
    }

    .qz-footer a:hover {
      color: #ffffff;
    }

    .qz-footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 40px;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
    }

    @media (max-width: 768px) {
      .qz-nav-links {
        display: none;
      }
      .countdown-timer {
        flex-wrap: wrap;
      }
      .qz-hero {
        padding: 50px 0 70px;
        text-align: center;
      }
      .qz-hero-cta-group {
        justify-content: center;
      }
      .form-panel {
        padding: 24px;
      }
    }