/* roulang page: index */
:root {
      --primary: #1B5E20;
      --primary-dark: #145214;
      --accent: #F9A825;
      --accent-hover: #F57F17;
      --deep-blue: #0D47A1;
      --bg: #F5F5F5;
      --white: #FFFFFF;
      --text: #212121;
      --text-secondary: #424242;
      --text-light: #757575;
      --border: #E0E0E0;
      --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
      --shadow-md: 0 6px 20px rgba(0,0,0,0.12);
      --shadow-lg: 0 12px 28px rgba(0,0,0,0.16);
      --radius: 12px;
      --radius-sm: 8px;
      --transition: 0.25s ease;
      --font-en: 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }
    .en-num {
      font-family: var(--font-en);
      font-weight: 500;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container-custom {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    /* 导航 */
    .navbar-custom {
      background-color: var(--white);
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      padding: 12px 0;
      position: sticky;
      top: 0;
      z-index: 1020;
      transition: box-shadow 0.3s;
    }
    .navbar-custom.scrolled {
      box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    }
    .logo-text {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 1px;
      display: flex;
      align-items: center;
    }
    .logo-text i {
      font-size: 2rem;
      margin-right: 8px;
      color: var(--accent);
    }
    .nav-link-item {
      color: var(--text-secondary) !important;
      font-weight: 500;
      margin: 0 0.5rem;
      padding: 0.5rem 0.75rem !important;
      border-radius: var(--radius-sm);
      position: relative;
      transition: var(--transition);
    }
    .nav-link-item:hover,
    .nav-link-item.active {
      color: var(--primary) !important;
      background-color: #E8F5E9;
    }
    .nav-link-item.active::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 4px;
      background-color: var(--accent);
      border-radius: 4px;
    }
    .navbar-toggler {
      border: none;
      color: var(--primary);
      font-size: 1.8rem;
    }
    .navbar-toggler:focus {
      box-shadow: none;
    }
    @media (max-width: 991px) {
      .navbar-collapse {
        background: white;
        padding: 1rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow-md);
        margin-top: 10px;
      }
    }
    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, #1B5E20 0%, #0D47A1 100%);
      position: relative;
      overflow: hidden;
      color: white;
      padding: 4rem 0;
      min-height: 500px;
      display: flex;
      align-items: center;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.2;
      mix-blend-mode: overlay;
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1.2;
      text-shadow: 0 4px 12px rgba(0,0,0,0.3);
    }
    .hero-sub {
      font-size: 1.25rem;
      opacity: 0.9;
      margin: 1rem 0 2rem;
    }
    .btn-accent {
      background-color: var(--accent);
      color: #1A1A1A;
      font-weight: 700;
      padding: 12px 32px;
      border-radius: var(--radius-sm);
      border: none;
      transition: var(--transition);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(249,168,37,0.4);
    }
    .btn-outline-light-custom {
      border: 2px solid white;
      color: white;
      padding: 12px 32px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      transition: var(--transition);
    }
    .btn-outline-light-custom:hover {
      background-color: white;
      color: var(--primary);
    }
    .live-card {
      background: rgba(255,255,255,0.15);
      backdrop-filter: blur(12px);
      border-radius: 16px;
      padding: 1.5rem;
      color: white;
      border: 1px solid rgba(255,255,255,0.25);
    }
    .team-name {
      font-weight: 700;
      font-size: 1.3rem;
    }
    .score-number {
      font-size: 2.8rem;
      font-weight: 700;
      font-family: var(--font-en);
      color: var(--accent);
    }
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .live-card {
        margin-top: 2rem;
      }
    }
    /* 数据条 */
    .stats-bar {
      background-color: var(--white);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      padding: 1.5rem 1rem;
      margin-top: -40px;
      position: relative;
      z-index: 5;
    }
    .stat-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      font-weight: 600;
    }
    .stat-number {
      font-size: 2rem;
      color: var(--primary);
      font-family: var(--font-en);
    }
    /* 服务卡片 */
    .service-card {
      background: var(--white);
      border-radius: var(--radius);
      padding: 2rem 1.5rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
      text-align: center;
      border: 1px solid transparent;
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #C8E6C9;
    }
    .icon-circle {
      width: 70px;
      height: 70px;
      background: #E8F5E9;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1.2rem;
      font-size: 2rem;
      color: var(--primary);
    }
    /* 焦点赛事 */
    .match-focus {
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .match-left {
      background: linear-gradient(145deg, #1B5E20, #0D47A1);
      color: white;
      padding: 2rem;
    }
    .match-list-item {
      border-bottom: 1px solid var(--border);
      padding: 1rem 0;
      transition: background 0.2s;
    }
    .match-list-item:hover {
      background-color: #f9f9f9;
    }
    /* 录像卡片 */
    .highlight-card {
      background: white;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
    }
    .highlight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .highlight-img {
      position: relative;
      height: 160px;
      overflow: hidden;
    }
    .highlight-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .play-overlay {
      position: absolute;
      inset: 0;
      background: rgba(0,0,0,0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.5rem;
      color: white;
      opacity: 0.8;
    }
    /* FAQ */
    .accordion-button:not(.collapsed) {
      background-color: #F1F8E9;
      color: var(--primary);
      font-weight: 700;
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: #A5D6A7;
    }
    /* CTA */
    .cta-banner {
      background: #1A1A1A;
      border-radius: var(--radius);
      padding: 3rem 2rem;
      color: white;
    }
    /* 页脚 */
    .footer-custom {
      background: #1A1A1A;
      color: #BDBDBD;
      padding: 3rem 0 2rem;
    }
    .footer-link {
      color: #BDBDBD;
      transition: var(--transition);
    }
    .footer-link:hover {
      color: var(--accent);
    }
    .social-icon {
      width: 40px;
      height: 40px;
      border: 1px solid #757575;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-right: 10px;
      color: #BDBDBD;
      transition: var(--transition);
    }
    .social-icon:hover {
      background: var(--accent);
      border-color: var(--accent);
      color: #1A1A1A;
    }