/* roulang page: index */
:root {
      --primary: #0B3D2E;
      --primary-deep: #06281E;
      --accent: #F5A623;
      --accent-hover: #E09510;
      --emphasis: #E03E2D;
      --bg: #F9FAF7;
      --white: #FFFFFF;
      --text: #1A1A1A;
      --text-secondary: #4A4A4A;
      --border-light: #E8ECEF;
      --border-input: #D1D5DB;
      --shadow-card: 0 4px 12px rgba(0,0,0,0.06);
      --shadow-hover: 0 12px 28px rgba(0,0,0,0.10);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 6px;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      --font-number: "Inter", "Roboto", sans-serif;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease, background-color 0.2s ease;
    }

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

    h1, h2, h3 {
      font-weight: 700;
      letter-spacing: -0.01em;
    }

    h1 {
      font-size: 3rem;
      line-height: 1.2;
    }

    h2 {
      font-size: 2.2rem;
      line-height: 1.3;
      margin-bottom: 1rem;
      position: relative;
      display: inline-block;
    }

    h2::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -8px;
      width: 48px;
      height: 3px;
      background-color: var(--accent);
      border-radius: 4px;
    }

    h3 {
      font-size: 1.5rem;
      font-weight: 600;
    }

    /* 导航 - 品牌活动风格 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background-color: rgba(11, 61, 46, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      z-index: 999;
      border-bottom: 1px solid rgba(245, 166, 35, 0.2);
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

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

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--white);
    }

    .logo-icon {
      width: 32px;
      height: 32px;
      background: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-deep);
      font-weight: 800;
      font-size: 1.2rem;
    }

    .logo-text {
      display: flex;
      align-items: baseline;
    }

    .logo-highlight {
      color: var(--accent);
      margin-left: 2px;
    }

    .live-badge {
      background: var(--emphasis);
      color: white;
      font-size: 0.7rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 20px;
      margin-left: 8px;
      animation: pulse-badge 1.8s infinite;
      letter-spacing: 0.5px;
    }

    @keyframes pulse-badge {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.75; transform: scale(1.08); }
      100% { opacity: 1; transform: scale(1); }
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-link {
      color: rgba(255,255,255,0.9);
      font-weight: 500;
      font-size: 0.95rem;
      position: relative;
      padding-bottom: 4px;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.25s ease;
    }

    .nav-link:hover {
      color: white;
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .btn-nav-cta {
      background: var(--accent);
      color: #0B3D2E;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      transition: background 0.2s, transform 0.1s;
      font-size: 0.9rem;
      white-space: nowrap;
    }

    .btn-nav-cta:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
    }

    .hamburger span {
      width: 26px;
      height: 2.5px;
      background: white;
      border-radius: 3px;
      transition: 0.2s;
    }

    /* Hero */
    .hero {
      background: linear-gradient(135deg, #0B3D2E 0%, #06281E 100%);
      padding: 140px 0 100px;
      position: relative;
      overflow: hidden;
      color: white;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.12;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1.2rem;
      color: white;
    }

    .hero-sub {
      font-size: 1.15rem;
      color: rgba(255,255,255,0.85);
      margin-bottom: 2rem;
      max-width: 90%;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--accent);
      color: #0B3D2E;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: background 0.25s, box-shadow 0.25s;
      box-shadow: 0 0 0 0 rgba(245,166,35,0.5);
      cursor: pointer;
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      animation: pulse-ring 1.8s infinite;
    }

    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(245,166,35,0.6); }
      70% { box-shadow: 0 0 0 12px rgba(245,166,35,0); }
      100% { box-shadow: 0 0 0 0 rgba(245,166,35,0); }
    }

    .btn-secondary {
      background: transparent;
      border: 2px solid var(--accent);
      color: var(--accent);
      font-weight: 600;
      padding: 12px 32px;
      border-radius: var(--radius-btn);
      transition: 0.2s;
    }

    .btn-secondary:hover {
      background: rgba(245,166,35,0.08);
    }

    .live-score-card {
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-card);
      padding: 20px 20px;
      border: 1px solid rgba(245,166,35,0.25);
    }

    .match-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .match-row:last-child {
      border-bottom: none;
    }

    .team {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .team-dot {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--accent);
    }

    .score {
      font-family: var(--font-number);
      font-weight: 800;
      font-size: 1.3rem;
      color: var(--accent);
    }

    /* 通用 section */
    .section {
      padding: 80px 0;
    }

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

    /* 服务卡片 图标左置 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .service-item {
      background: var(--white);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      border-left: 4px solid var(--primary);
      box-shadow: var(--shadow-card);
      transition: all 0.25s;
    }

    .service-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .service-icon {
      font-size: 2.2rem;
      color: var(--accent);
      background: rgba(245,166,35,0.1);
      padding: 10px;
      border-radius: 50%;
    }

    /* 优势数据 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: var(--white);
      border-radius: var(--radius-card);
      padding: 32px 16px;
      text-align: center;
      box-shadow: var(--shadow-card);
      background-image: repeating-linear-gradient(45deg, rgba(11,61,46,0.02) 0px, rgba(11,61,46,0.02) 2px, transparent 2px, transparent 8px);
    }

    .stat-number {
      font-family: var(--font-number);
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary);
    }

    /* 案例卡片 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .case-card {
      background: white;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: 0.25s;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .case-img {
      height: 180px;
      background-size: cover;
      background-position: center;
    }

    .case-content {
      padding: 20px;
    }

    .tag {
      background: rgba(11,61,46,0.08);
      color: var(--primary);
      font-size: 0.75rem;
      padding: 3px 10px;
      border-radius: 20px;
      font-weight: 600;
    }

    /* FAQ */
    .faq-item {
      background: white;
      border-radius: var(--radius-card);
      margin-bottom: 12px;
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      padding: 18px 24px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      cursor: pointer;
      border-left: 4px solid transparent;
      transition: 0.2s;
    }

    .faq-item.active .faq-question {
      border-left-color: var(--accent);
      background: #fafbf9;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 24px;
      color: var(--text-secondary);
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 18px;
    }

    /* 联系 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }

    .form-input {
      width: 100%;
      padding: 14px;
      border: 1px solid var(--border-input);
      border-radius: var(--radius-btn);
      margin-bottom: 16px;
      transition: 0.2s;
    }

    .form-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
      outline: none;
    }

    .footer {
      background: #06281E;
      color: #A0B0A8;
      padding: 48px 0 24px;
    }

    @media (max-width: 1024px) {
      .services-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: repeat(2,1fr); }
      .stats-grid { grid-template-columns: repeat(2,1fr); }
    }

    @media (max-width: 768px) {
      h1 { font-size: 2rem; }
      h2 { font-size: 1.7rem; }
      .nav-menu { display: none; }
      .hamburger { display: flex; }
      .hero-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
    }