/* roulang page: index */
:root {
      --primary-orange: #FF5E13;
      --primary-red: #D90000;
      --deep-black: #0B0C10;
      --titan-white: #F5F6FA;
      --card-bg: #FFFFFF;
      --light-gray-bg: #F8F9FC;
      --border-light: #E6E9F0;
      --text-dark: #1A1D23;
      --text-gray: #5F6B7A;
      --text-muted: #8A94A6;
      --shadow-sm: 0 8px 24px rgba(0,0,0,0.06);
      --shadow-hover: 0 16px 32px rgba(0,0,0,0.12);
      --radius-lg: 16px;
      --radius-btn: 50px;
      --radius-badge: 8px;
      --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      --font-number: "DIN Alternate", "Roboto", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.7;
      background-color: var(--titan-white);
      color: var(--text-dark);
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: var(--primary-orange);
      text-decoration: none;
      transition: color 0.2s;
    }
    a:hover {
      color: var(--primary-red);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, .button {
      font-family: var(--font-body);
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 导航 */
    .site-header {
      background: var(--deep-black);
      padding: 0 20px;
      position: sticky;
      top: 0;
      z-index: 50;
      box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 1200px;
      margin: 0 auto;
      height: 70px;
    }
    .logo {
      font-size: 1.8rem;
      font-weight: 800;
      color: white;
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .logo i {
      color: var(--primary-orange);
      font-size: 2rem;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-links a {
      color: rgba(255,255,255,0.8);
      font-weight: 500;
      font-size: 0.95rem;
      transition: 0.2s;
    }
    .nav-links a:hover {
      color: var(--primary-orange);
    }
    .live-badge {
      background: #D90000;
      color: white;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: 8px;
    }
    .live-dot {
      width: 8px;
      height: 8px;
      background: white;
      border-radius: 50%;
      animation: pulse 1.2s infinite;
    }
    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.8); }
      100% { opacity: 1; transform: scale(1); }
    }
    .btn-capsule {
      background: var(--primary-orange);
      background: linear-gradient(135deg, #FF5E13 0%, #D90000 100%);
      color: white;
      padding: 10px 24px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      border: none;
      display: inline-block;
      text-align: center;
    }
    .btn-capsule:hover {
      filter: brightness(1.1);
      transform: scale(1.03);
      color: white;
      box-shadow: 0 10px 20px rgba(255,94,19,0.3);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary-orange);
      color: var(--primary-orange);
      padding: 10px 24px;
      border-radius: var(--radius-btn);
      font-weight: 600;
    }
    .btn-outline:hover {
      background: rgba(255,94,19,0.08);
    }
    .mobile-menu-icon {
      display: none;
      color: white;
      font-size: 1.8rem;
      cursor: pointer;
    }
    /* Hero */
    #hero {
      background: linear-gradient(135deg, #0B0C10 0%, #1F232B 100%);
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      background-blend-mode: overlay;
      padding: 100px 0 80px;
      position: relative;
    }
    .hero-grid {
      display: flex;
      align-items: center;
      gap: 50px;
      flex-wrap: wrap;
    }
    .hero-left {
      flex: 1 1 500px;
      color: white;
    }
    .hero-left h1 {
      font-size: 3.8rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 1.2rem;
      text-shadow: 0 2px 15px rgba(0,0,0,0.5);
    }
    .hero-sub {
      font-size: 1.25rem;
      color: rgba(255,255,255,0.8);
      margin-bottom: 2rem;
    }
    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .hero-right {
      flex: 0 0 320px;
      background: rgba(26,29,35,0.9);
      backdrop-filter: blur(15px);
      border-radius: var(--radius-lg);
      padding: 24px;
      border: 1px solid rgba(255,94,19,0.2);
      box-shadow: 0 20px 35px rgba(0,0,0,0.5);
    }
    .live-score-card {
      font-family: var(--font-number);
    }
    .match-teams {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.6rem;
      font-weight: 700;
      color: white;
      margin-bottom: 8px;
    }
    .match-score {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary-orange);
      text-align: center;
      margin: 8px 0;
    }
    .match-status {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #ccc;
      font-size: 0.9rem;
    }
    .blink-indicator {
      width: 10px;
      height: 10px;
      background: #FF5E13;
      border-radius: 50%;
      box-shadow: 0 0 12px #FF5E13;
      animation: pulse 1s infinite;
    }
    /* 分区通用 */
    section {
      padding: 90px 0;
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -10px;
      width: 50px;
      height: 4px;
      background: var(--primary-orange);
      border-radius: 2px;
    }
    .text-center .section-title::after {
      left: 50%;
      transform: translateX(-50%);
    }
    /* 痛点卡片 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 28px;
      margin-top: 30px;
    }
    .pain-card {
      background: var(--card-bg);
      border-left: 5px solid var(--primary-orange);
      padding: 28px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      transition: 0.25s;
    }
    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    /* 解决方案 */
    .solution-row {
      display: flex;
      gap: 30px;
      flex-wrap: wrap;
      margin-top: 40px;
    }
    .solution-card {
      flex: 1 1 280px;
      background: white;
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s;
      position: relative;
      border: 1px solid var(--border-light);
    }
    .solution-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .icon-circle {
      width: 60px;
      height: 60px;
      background: rgba(255,94,19,0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      color: var(--primary-orange);
      margin-bottom: 20px;
    }
    .data-badge {
      background: #1A1D23;
      color: var(--primary-orange);
      font-family: var(--font-number);
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-badge);
      display: inline-block;
      margin-top: 15px;
      box-shadow: 0 0 12px rgba(255,94,19,0.25);
    }
    /* 成果数字墙 */
    .results-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 25px;
      justify-content: center;
      margin-top: 30px;
    }
    .stat-item {
      background: white;
      padding: 28px 30px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      min-width: 180px;
      text-align: center;
      transition: 0.2s;
    }
    .stat-number {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary-orange);
      font-family: var(--font-number);
    }
    /* 证言 */
    .testimonial-card {
      background: white;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: flex;
      gap: 20px;
      align-items: flex-start;
      margin-bottom: 20px;
    }
    .avatar-placeholder {
      width: 60px;
      height: 60px;
      background: #ddd;
      border-radius: 50%;
      background-image: url('/assets/images/coverpic/cover-2.webp');
      background-size: cover;
    }
    /* FAQ */
    .accordion-title {
      font-size: 1.1rem;
      font-weight: 600;
      background: white;
      border: 1px solid var(--border-light);
      padding: 16px 20px;
      border-radius: 12px;
      cursor: pointer;
    }
    .accordion-content {
      padding: 0 20px 16px;
      color: var(--text-gray);
    }
    /* CTA 区域 */
    #cta {
      background: linear-gradient(135deg, #FF5E13 0%, #D90000 100%);
      color: white;
    }
    /* 页脚 */
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
      gap: 30px;
      color: #bbb;
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .mobile-menu-icon { display: block; }
      .hero-left h1 { font-size: 2.5rem; }
      .hero-grid { flex-direction: column; }
    }