/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --primary: #0A1F3F;
      --accent-cyan: #00C2FF;
      --accent-orange: #FF6B35;
      --bg-light: #F4F7FC;
      --card-bg: #FFFFFF;
      --border-light: #E4EAF2;
      --text-main: #1A2B3C;
      --text-secondary: #5A6B7F;
      --text-muted: #8B9CB0;
      --shadow-sm: 0 4px 20px rgba(10,31,63,0.06);
      --shadow-hover: 0 8px 30px rgba(10,31,63,0.12);
      --radius-md: 12px;
      --radius-btn: 8px;
      --transition-base: 0.25s ease;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.5;
      display: flex;
      min-height: 100vh;
    }
    
    /* 左侧竖向导航 */
    .side-nav {
      width: 240px;
      height: 100vh;
      background-color: var(--primary);
      color: white;
      position: fixed;
      left: 0;
      top: 0;
      display: flex;
      flex-direction: column;
      z-index: 40;
      transition: transform 0.3s ease;
      box-shadow: 2px 0 15px rgba(0,0,0,0.08);
    }
    
    .side-nav .logo-area {
      padding: 28px 20px 20px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .logo-text {
      font-size: 24px;
      font-weight: 700;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    
    .logo-icon {
      font-size: 28px;
      color: var(--accent-cyan);
    }
    
    .nav-links {
      flex: 1;
      padding: 24px 12px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    
    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      border-radius: 8px;
      color: rgba(255,255,255,0.75);
      text-decoration: none;
      font-weight: 500;
      font-size: 15px;
      transition: all 0.2s ease;
      position: relative;
      overflow: hidden;
    }
    
    .nav-item::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 0px;
      background-color: var(--accent-cyan);
      border-radius: 0 4px 4px 0;
      transition: height 0.2s ease;
    }
    
    .nav-item:hover {
      background-color: rgba(255,255,255,0.08);
      color: white;
    }
    
    .nav-item:hover::before {
      height: 20px;
    }
    
    .nav-cta {
      margin: 20px 20px 32px;
      background: var(--accent-cyan);
      color: #0A1F3F;
      font-weight: 700;
      text-align: center;
      padding: 14px 18px;
      border-radius: var(--radius-btn);
      transition: all 0.3s ease;
      text-decoration: none;
      display: block;
      box-shadow: 0 0 12px rgba(0,194,255,0.3);
    }
    
    .nav-cta:hover {
      background: #33d0ff;
      box-shadow: 0 0 18px rgba(0,194,255,0.5);
    }
    
    /* 右侧内容区 */
    .main-content {
      margin-left: 240px;
      width: calc(100% - 240px);
      background-color: var(--bg-light);
    }
    
    /* 移动端顶部导航 */
    .mobile-header {
      display: none;
      background: var(--primary);
      color: white;
      padding: 0 20px;
      height: 64px;
      align-items: center;
      justify-content: space-between;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    }
    
    .hamburger {
      font-size: 28px;
      background: none;
      border: none;
      color: white;
      cursor: pointer;
    }
    
    .mobile-menu-overlay {
      position: fixed;
      top: 64px;
      left: 0;
      width: 100%;
      height: calc(100vh - 64px);
      background: var(--primary);
      flex-direction: column;
      padding: 24px;
      gap: 12px;
      z-index: 45;
      display: none;
    }
    
    .mobile-menu-overlay.active {
      display: flex;
    }
    
    .mobile-nav-link {
      color: white;
      text-decoration: none;
      font-size: 18px;
      padding: 12px;
      border-radius: 8px;
      font-weight: 500;
    }
    
    /* 通用容器 */
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 40px;
    }
    
    section {
      padding: 100px 0;
    }
    
    .section-title {
      font-size: 28px;
      font-weight: 600;
      margin-bottom: 48px;
      color: var(--primary);
      letter-spacing: -0.3px;
      line-height: 1.3;
    }
    
    .card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-base);
      padding: 28px;
    }
    
    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    
    .btn-primary {
      background: var(--accent-cyan);
      color: #0A1F3F;
      font-weight: 700;
      padding: 14px 36px;
      border-radius: var(--radius-btn);
      display: inline-block;
      text-decoration: none;
      transition: all 0.25s;
      border: none;
      cursor: pointer;
      font-size: 18px;
      box-shadow: 0 0 12px rgba(0,194,255,0.25);
    }
    
    .btn-primary:hover {
      background: #2dc8ff;
      box-shadow: 0 0 18px rgba(0,194,255,0.45);
    }
    
    .btn-secondary {
      background: transparent;
      border: 1px solid var(--primary);
      color: var(--primary);
      padding: 14px 36px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: 0.2s;
      text-decoration: none;
      display: inline-block;
    }
    
    .btn-secondary:hover {
      background: rgba(10,31,63,0.08);
    }
    
    /* 跳动动画 */
    @keyframes pulseScore {
      0% { transform: scale(1); color: var(--accent-orange); }
      50% { transform: scale(1.08); color: #ff8c5a; }
      100% { transform: scale(1); color: var(--accent-orange); }
    }
    
    .live-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-cyan);
      border-radius: 50%;
      display: inline-block;
      animation: blink 1.2s infinite;
    }
    
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }
    
    /* FAQ 手风琴 */
    .faq-item {
      border-bottom: 1px solid var(--border-light);
      padding: 18px 0;
    }
    
    .faq-question {
      font-weight: 600;
      font-size: 18px;
      display: flex;
      justify-content: space-between;
      cursor: pointer;
      color: var(--primary);
    }
    
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      color: var(--text-secondary);
    }
    
    .faq-item.active .faq-answer {
      max-height: 200px;
      margin-top: 12px;
    }
    
    .arrow-icon {
      transition: transform 0.3s;
    }
    
    .faq-item.active .arrow-icon {
      transform: rotate(180deg);
    }
    
    /* 响应式 */
    @media (max-width: 1024px) {
      .side-nav {
        transform: translateX(-100%);
      }
      .main-content {
        margin-left: 0;
        width: 100%;
      }
      .mobile-header {
        display: flex;
      }
      body {
        padding-top: 64px;
      }
      section {
        padding: 70px 0;
      }
      .container {
        padding: 0 24px;
      }
    }
    
    @media (max-width: 768px) {
      .grid-cols-2, .grid-cols-3 {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 24px;
      }
      .btn-primary, .btn-secondary {
        padding: 12px 28px;
        font-size: 16px;
      }
    }