/* roulang page: index */
:root {
      --primary-purple: #7B2FBE;
      --neon-cyan: #00E5A0;
      --deep-charcoal: #1A1A2E;
      --card-bg-light: #F0F0F5;
      --amber-accent: #FF6B35;
      --mid-gray: #6B7280;
      --light-gray: #D1D5DB;
      --white: #FFFFFF;
      --dark-surface: #222240;
      --border-cyan-glow: rgba(0, 229, 160, 0.4);
      --shadow-purple-glow: rgba(123, 47, 190, 0.4);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-input: 6px;
      --font-zh: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-en: 'Inter', 'Rajdhani', sans-serif;
    }
    
    * {
      box-sizing: border-box;
    }
    
    body {
      font-family: var(--font-zh);
      background-color: var(--deep-charcoal);
      color: var(--light-gray);
      line-height: 1.7;
      margin: 0;
      overflow-x: hidden;
    }
    
    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-zh);
      font-weight: 700;
      color: var(--white);
    }
    
    .font-en-numbers {
      font-family: var(--font-en);
    }
    
    a {
      text-decoration: none;
      color: var(--neon-cyan);
      transition: all 0.2s ease;
    }
    a:hover {
      color: #33FFB8;
    }
    
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    
    /* 容器定制 */
    .container-custom {
      max-width: 1140px;
      margin: 0 auto;
      padding: 0 20px;
    }
    
    /* 双层导航 */
    .navbar-esports {
      background-color: var(--deep-charcoal);
      position: sticky;
      top: 0;
      z-index: 1050;
      box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    }
    .navbar-first-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      padding: 0 20px;
      border-bottom: 1px solid rgba(0,229,160,0.15);
    }
    .brand-logo {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--white);
      background: linear-gradient(135deg, #7B2FBE 0%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.5px;
    }
    .nav-right-actions {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .search-icon {
      color: var(--neon-cyan);
      font-size: 1.3rem;
      cursor: pointer;
    }
    .btn-outline-neon {
      border: 2px solid var(--neon-cyan);
      background: transparent;
      color: var(--neon-cyan);
      padding: 8px 22px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      transition: all 0.3s;
    }
    .btn-outline-neon:hover {
      background: rgba(0,229,160,0.1);
      box-shadow: 0 0 12px rgba(0,229,160,0.4);
      color: #33FFB8;
    }
    
    .navbar-second-row {
      background-color: var(--dark-surface);
      height: 48px;
      display: flex;
      align-items: center;
      overflow-x: auto;
      white-space: nowrap;
      padding: 0 20px;
      scrollbar-width: none;
      -ms-overflow-style: none;
      border-bottom: 1px solid rgba(0,229,160,0.1);
    }
    .navbar-second-row::-webkit-scrollbar {
      display: none;
    }
    .channel-tabs {
      display: flex;
      gap: 10px;
    }
    .channel-tab {
      background: transparent;
      border: none;
      color: var(--light-gray);
      padding: 8px 18px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all 0.25s;
      cursor: pointer;
    }
    .channel-tab.active {
      background: var(--neon-cyan);
      color: var(--deep-charcoal);
      font-weight: 700;
      box-shadow: 0 0 10px var(--border-cyan-glow);
    }
    .channel-tab:hover:not(.active) {
      color: var(--white);
      background: rgba(255,255,255,0.05);
    }
    
    /* Hero 斜切分割 */
    .hero-section {
      background: linear-gradient(135deg, #1A1A2E 0%, #16213e 100%);
      position: relative;
      overflow: hidden;
      padding: 80px 0;
    }
    .hero-bg-img {
      position: absolute;
      right: 0;
      top: 0;
      width: 55%;
      height: 100%;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      clip-path: polygon(8% 0, 100% 0, 100% 100%, 0% 100%);
      opacity: 0.45;
      z-index: 0;
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 800;
      color: white;
      line-height: 1.2;
      letter-spacing: -0.5px;
    }
    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--light-gray);
      margin: 20px 0 30px;
    }
    .btn-primary-neon {
      background: var(--neon-cyan);
      color: var(--deep-charcoal);
      font-weight: 700;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      border: none;
      min-width: 160px;
      transition: 0.25s;
      box-shadow: 0 4px 12px rgba(0,229,160,0.3);
    }
    .btn-primary-neon:hover {
      background: #33FFB8;
      box-shadow: 0 0 20px rgba(0,229,160,0.6);
      color: #0a0a1a;
    }
    
    /* 区块标题装饰 */
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--primary-purple);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 40px;
    }
    .section-title::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 42px;
      background: var(--neon-cyan);
      border-radius: 4px;
      box-shadow: 0 0 12px var(--neon-cyan);
    }
    
    /* 不对称卡片布局 */
    .feature-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }
    .feature-card {
      background: rgba(34,34,64,0.7);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(0,229,160,0.2);
      border-radius: var(--radius-card);
      padding: 28px;
      transition: all 0.3s;
    }
    .feature-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 8px 30px var(--shadow-purple-glow);
      transform: translateY(-4px);
    }
    .feature-icon {
      font-size: 2.5rem;
      color: var(--neon-cyan);
      margin-bottom: 18px;
    }
    
    /* 场景卡片 */
    .scenario-card {
      background: #222240;
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.05);
      transition: 0.3s;
    }
    .scenario-card img {
      height: 180px;
      object-fit: cover;
    }
    
    /* 案例卡片 */
    .case-card {
      background: var(--card-bg-light);
      color: #1f2937;
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.25);
      transition: 0.3s;
    }
    .case-stat {
      font-family: var(--font-en);
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--amber-accent);
    }
    
    /* 定价卡片 */
    .pricing-card {
      background: #1e1e32;
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-card);
      padding: 32px 24px;
      transition: 0.3s;
    }
    .pricing-card.recommended {
      border: 2px solid var(--neon-cyan);
      box-shadow: 0 0 18px rgba(0,229,160,0.25);
    }
    .price-number {
      font-family: var(--font-en);
      font-size: 3.2rem;
      font-weight: 700;
      color: var(--neon-cyan);
    }
    
    /* FAQ 手风琴 */
    .accordion-button {
      background-color: var(--deep-charcoal);
      color: white;
      font-weight: 600;
    }
    .accordion-button:not(.collapsed) {
      background-color: #2a2a4a;
      color: var(--neon-cyan);
    }
    .accordion-body {
      background: #222240;
      color: var(--light-gray);
    }
    
    /* 联系表单 */
    .form-control-dark {
      background: #1A1A2E;
      border: 1px solid var(--neon-cyan);
      color: white;
      border-radius: var(--radius-input);
    }
    .form-control-dark:focus {
      border-color: #33FFB8;
      box-shadow: 0 0 12px rgba(0,229,160,0.5);
    }
    
    footer {
      background: var(--deep-charcoal);
      border-top: 1px solid var(--neon-cyan);
    }
    
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .feature-grid {
        grid-template-columns: 1fr;
      }
    }