/* roulang page: index */
:root {
      --primary: #0A2540;
      --primary-hover: #14365C;
      --accent: #00A86B;
      --accent-hover: #008F5A;
      --bg: #F8F9FA;
      --card-bg: #FFFFFF;
      --text-primary: #1A1A1A;
      --text-secondary: #5A6A7E;
      --danger: #FF4D4D;
      --border-light: rgba(0,0,0,0.05);
      --shadow-sm: 0 4px 20px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.02);
      --shadow-hover: 0 12px 30px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
      --radius-md: 12px;
      --radius-btn: 8px;
      --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-number: "Inter", sans-serif;
      --transition: 0.25s ease-out;
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg);
      color: var(--text-primary);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 40px;
    }
    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }
    }
    /* 导航 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: white;
      border-bottom: 1px solid var(--border-light);
      backdrop-filter: blur(8px);
      background: rgba(255,255,255,0.92);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo {
      font-weight: 800;
      font-size: 1.6rem;
      letter-spacing: -0.5px;
      color: var(--primary);
      display: flex;
      align-items: baseline;
      gap: 6px;
    }
    .logo small {
      font-size: 0.7rem;
      font-weight: 400;
      color: var(--text-secondary);
      letter-spacing: 0.2px;
      margin-left: 2px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-links a {
      font-weight: 500;
      font-size: 1rem;
      color: var(--text-secondary);
      transition: color var(--transition);
      position: relative;
      padding: 4px 0;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
    }
    .btn-primary {
      background: var(--primary);
      color: white;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: background var(--transition), box-shadow var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 8px 18px rgba(10,37,64,0.18);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-outline:hover {
      background: var(--primary);
      color: white;
    }
    .btn-accent {
      background: var(--accent);
      color: white;
      border: none;
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      box-shadow: 0 8px 18px rgba(0,168,107,0.2);
    }
    .hamburger {
      display: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--primary);
    }
    .mobile-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 80%;
      max-width: 320px;
      height: 100vh;
      background: white;
      box-shadow: -10px 0 30px rgba(0,0,0,0.1);
      padding: 40px 30px;
      display: flex;
      flex-direction: column;
      gap: 28px;
      transition: right 0.35s ease;
      z-index: 200;
    }
    .mobile-menu.open {
      right: 0;
    }
    .mobile-menu a {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--primary);
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: block; }
      .nav-container { height: 64px; }
    }
    /* 板块通用 */
    section {
      padding: 100px 0;
    }
    @media (max-width: 768px) {
      section { padding: 70px 0; }
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--primary);
      line-height: 1.3;
    }
    .section-sub {
      font-size: 1.1rem;
      color: var(--text-secondary);
      max-width: 650px;
      margin-bottom: 48px;
    }
    /* Hero */
    .hero {
      display: flex;
      align-items: center;
      gap: 60px;
      padding: 90px 0 110px;
    }
    .hero-left {
      flex: 1;
    }
    .hero-left h1 {
      font-size: 3.8rem;
      font-weight: 800;
      line-height: 1.15;
      color: var(--primary);
      margin-bottom: 24px;
    }
    .hero-left p {
      font-size: 1.2rem;
      color: var(--text-secondary);
      margin-bottom: 36px;
      max-width: 550px;
    }
    .hero-buttons {
      display: flex;
      gap: 18px;
      flex-wrap: wrap;
    }
    .hero-right {
      flex: 1;
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .schedule-card {
      background: white;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-hover);
      padding: 28px;
      width: 280px;
      transform: rotate(-2deg);
      position: relative;
      z-index: 2;
      border-left: 6px solid var(--accent);
    }
    .match-date {
      font-family: var(--font-number);
      font-weight: 700;
      font-size: 1.4rem;
      color: var(--accent);
    }
    .match-teams {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin: 18px 0;
      font-weight: 700;
      font-size: 1.2rem;
    }
    .vs-badge {
      background: var(--bg);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.9rem;
      color: var(--text-secondary);
    }
    .hero-bg-decor {
      position: absolute;
      right: -20px;
      bottom: -30px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle at 30% 30%, rgba(0,168,107,0.08), transparent 70%);
      border-radius: 50%;
      z-index: 0;
    }
    @media (max-width: 768px) {
      .hero {
        flex-direction: column;
        padding: 50px 0 60px;
        gap: 50px;
      }
      .hero-left h1 {
        font-size: 2.6rem;
      }
      .schedule-card {
        width: 240px;
        transform: rotate(0deg);
      }
    }
    /* 亮点网格 */
    .grid-highlight {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .highlight-card {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: flex-start;
      gap: 20px;
      transition: all var(--transition);
    }
    .highlight-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .hl-icon {
      font-size: 2.4rem;
      color: var(--accent);
    }
    .hl-content h3 {
      font-weight: 700;
      margin-bottom: 8px;
      font-size: 1.4rem;
    }
    .hl-number {
      font-family: var(--font-number);
      font-weight: 800;
      font-size: 2.2rem;
      color: var(--primary);
    }
    @media (max-width: 1024px) {
      .grid-highlight {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 640px) {
      .grid-highlight {
        grid-template-columns: 1fr;
      }
    }
    /* 瀑布流 */
    .masonry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .masonry-item {
      background: white;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .masonry-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-5px);
    }
    .masonry-img {
      height: 180px;
      background-color: #E9ECEF;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .masonry-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .masonry-text {
      padding: 22px;
    }
    .tag {
      color: var(--accent);
      font-weight: 600;
      font-size: 0.85rem;
      margin-bottom: 8px;
      display: block;
    }
    .masonry-text h4 {
      font-weight: 700;
      font-size: 1.2rem;
      margin-bottom: 8px;
    }
    @media (max-width: 768px) {
      .masonry-grid {
        grid-template-columns: 1fr;
      }
    }
    /* 方案对比表 */
    .compare-table {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      background: white;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-col {
      padding: 32px 24px;
      text-align: center;
      border-right: 1px solid #f0f0f0;
    }
    .compare-col:last-child { border-right: none; }
    .compare-col.featured {
      background: var(--primary);
      color: white;
      position: relative;
    }
    .best-badge {
      background: var(--danger);
      color: white;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
      position: absolute;
      top: 16px;
      right: 16px;
    }
    .compare-header {
      font-weight: 700;
      font-size: 1.5rem;
      margin-bottom: 20px;
    }
    .compare-row {
      padding: 16px 0;
      border-top: 1px solid rgba(0,0,0,0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }
    @media (max-width: 768px) {
      .compare-table {
        grid-template-columns: 1fr;
        overflow-x: auto;
        display: flex;
      }
      .compare-col {
        min-width: 220px;
        flex: 1;
      }
    }
    /* FAQ */
    .faq-item {
      background: white;
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      box-shadow: var(--shadow-sm);
      border-left: 5px solid var(--accent);
      transition: var(--transition);
    }
    .faq-question {
      padding: 22px 28px;
      font-weight: 700;
      font-size: 1.2rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
      background: #fafbfc;
      color: var(--text-secondary);
      padding: 0 28px;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 20px 28px;
    }
    .faq-item.active {
      border-left-color: var(--primary);
    }
    /* CTA横幅 */
    .cta-banner {
      background: var(--primary);
      border-radius: 24px;
      padding: 70px 50px;
      text-align: center;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      background-blend-mode: overlay;
    }
    .cta-banner h2 {
      color: white;
      font-size: 2.4rem;
    }
    .cta-banner p {
      color: rgba(255,255,255,0.8);
      margin: 20px 0 30px;
    }
    /* 页脚 */
    .footer {
      background: #F1F3F5;
      padding: 60px 0 30px;
      color: var(--text-secondary);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }
    .footer h5 {
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 16px;
    }
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }