/* roulang page: index */
:root {
      --primary: #e50914;
      --primary-hover: #b80710;
      --secondary: #ff385c;
      --accent: #ffd200;
      --bg-dark: #0f1015;
      --bg-card: #181920;
      --bg-card-light: #222530;
      --text-main: #ffffff;
      --text-muted: #9ba1b0;
      --border-color: rgba(255, 255, 255, 0.1);
      --glow-shadow: 0 8px 32px rgba(229, 9, 20, 0.25);
      --radius: 12px;
      --radius-sm: 8px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    
    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 16, 21, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo .dot {
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary);
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 24px;
      align-items: center;
    }
    .nav-links a {
      font-size: 0.95rem;
      color: var(--text-muted);
      transition: color 0.2s;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--text-main);
      font-weight: 600;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: none;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #ff4b2b 100%);
      color: #fff;
      box-shadow: 0 4px 15px rgba(229, 9, 20, 0.35);
    }
    .btn-primary:hover {
      box-shadow: 0 6px 20px rgba(229, 9, 20, 0.6);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: var(--bg-card-light);
      color: var(--text-main);
      border: 1px solid var(--border-color);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-2px);
    }

    /* Hero：直播预告封面 + 开播倒计时 */
    .hero-live {
      position: relative;
      padding: 80px 0 60px;
      background: radial-gradient(circle at top right, rgba(229, 9, 20, 0.15) 0%, transparent 60%),
                  url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-live::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, rgba(15, 16, 21, 0.85) 0%, rgba(15, 16, 21, 0.98) 100%);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 20px;
      background: rgba(229, 9, 20, 0.15);
      border: 1px solid rgba(229, 9, 20, 0.4);
      color: #ff5e62;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .hero-badge .pulse {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(229, 9, 20, 0.7); }
      70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(229, 9, 20, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(229, 9, 20, 0); }
    }
    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 18px;
      letter-spacing: -1px;
    }
    .hero-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 直播预告卡片与倒计时 */
    .live-card {
      background: rgba(24, 25, 32, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius);
      padding: 30px;
      backdrop-filter: blur(16px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }
    .live-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 12px;
    }
    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-bottom: 24px;
      text-align: center;
    }
    .countdown-box {
      background: var(--bg-card-light);
      padding: 14px 8px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }
    .countdown-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
    }
    .countdown-label {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .sub-input-group {
      display: flex;
      gap: 8px;
    }
    .sub-input-group input {
      flex: 1;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      background: var(--bg-dark);
      border: 1px solid var(--border-color);
      color: #fff;
      font-size: 0.9rem;
      outline: none;
    }
    .sub-input-group input:focus {
      border-color: var(--primary);
    }

    /* 通用Section布局 */
    .section {
      padding: 70px 0;
      position: relative;
    }
    .section-alt {
      background-color: #13141a;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 45px;
    }
    .section-tag {
      font-size: 0.85rem;
      text-transform: uppercase;
      color: var(--primary);
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 8px;
      display: block;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }
    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 720px;
      line-height: 1.7;
    }

    /* 倒计时看板板块 (版式蓝图顺序：Hero → 倒计时) */
    .ticker-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(90deg, #1f1215 0%, #171822 100%);
      padding: 24px 32px;
      border-radius: var(--radius);
      border: 1px solid rgba(229, 9, 20, 0.3);
      gap: 24px;
    }
    .ticker-info h4 {
      font-size: 1.15rem;
      margin-bottom: 4px;
      color: #fff;
    }
    .ticker-info p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 活动亮点网格 (版式蓝图顺序：活动亮点) */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .highlight-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px;
      transition: all 0.3s ease;
    }
    .highlight-card:hover {
      transform: translateY(-5px);
      border-color: rgba(229, 9, 20, 0.4);
      box-shadow: 0 12px 30px rgba(0,0,0,0.5);
    }
    .highlight-icon {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .highlight-card h3 {
      font-size: 1.25rem;
      margin-bottom: 10px;
    }
    .highlight-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 礼包权益墙 (版式蓝图顺序：礼包/权益) */
    .perks-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .perk-item {
      background: var(--bg-card-light);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      border: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }
    .perk-item::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }
    .perk-val {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .perk-item h4 {
      font-size: 1.05rem;
      margin-bottom: 6px;
    }
    .perk-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 玩法步骤 (版式蓝图顺序：玩法步骤) */
    .steps-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: var(--bg-card);
      padding: 26px 20px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .step-badge {
      display: inline-block;
      width: 32px;
      height: 32px;
      background: var(--primary);
      border-radius: 50%;
      color: #fff;
      font-weight: 800;
      text-align: center;
      line-height: 32px;
      margin-bottom: 16px;
      font-size: 0.95rem;
    }
    .step-card h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 奖励预览 / 剧单精选 (版式蓝图顺序：奖励预览) */
    .media-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .media-card {
      background: var(--bg-card);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
    }
    .media-poster {
      position: relative;
      height: 220px;
      overflow: hidden;
    }
    .media-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .media-card:hover .media-poster img {
      transform: scale(1.05);
    }
    .media-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(0, 0, 0, 0.7);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      border: 1px solid rgba(255, 210, 0, 0.3);
    }
    .media-info {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .media-info h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }
    .media-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 16px;
    }
    .media-foot {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 资讯列表 (版式蓝图顺序：资讯) */
    .news-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .news-item {
      display: flex;
      gap: 20px;
      background: var(--bg-card);
      border-radius: var(--radius);
      padding: 20px;
      border: 1px solid var(--border-color);
      align-items: center;
    }
    .news-thumb {
      width: 140px;
      height: 90px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      flex-shrink: 0;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body h4 {
      font-size: 1.05rem;
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 口碑评测 (版式蓝图顺序：口碑) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-bubble {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-bubble .stars {
      color: var(--accent);
      margin-bottom: 12px;
      font-size: 0.95rem;
    }
    .review-bubble p {
      font-size: 0.92rem;
      color: #cfd3dc;
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .avatar-circ {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--bg-card-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      border: 1px solid rgba(229, 9, 20, 0.3);
    }
    .author-info h5 {
      font-size: 0.95rem;
    }
    .author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 扩充板块：指标看板 (支撑数据驱动) */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px 20px;
      text-align: center;
    }
    .metric-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: #fff;
      margin-bottom: 6px;
    }
    .metric-num span {
      color: var(--primary);
      font-size: 1.2rem;
    }
    .metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 扩充板块：版本特性更新时间线 */
    .timeline-list {
      border-left: 2px solid rgba(229, 9, 20, 0.3);
      padding-left: 30px;
      margin-left: 10px;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .timeline-item {
      position: relative;
    }
    .timeline-item::before {
      content: "";
      position: absolute;
      left: -37px;
      top: 4px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid var(--bg-dark);
    }
    .timeline-version {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .timeline-item h4 {
      font-size: 1.15rem;
      margin-bottom: 6px;
    }
    .timeline-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 扩充板块：多平台保障说明 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      border: 1px dashed rgba(255, 255, 255, 0.15);
      background: rgba(255, 255, 255, 0.02);
      border-radius: var(--radius);
      padding: 28px;
    }
    .guarantee-card h4 {
      font-size: 1.1rem;
      color: #fff;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .guarantee-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 扩充板块：常见疑问快速解答 (可选精简版) */
    .qa-accordion {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .qa-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px 24px;
    }
    .qa-box h4 {
      font-size: 1.05rem;
      color: #fff;
      margin-bottom: 8px;
    }
    .qa-box p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 报名/收口行动入口 (版式蓝图顺序：报名入口) */
    .cta-banner {
      background: radial-gradient(circle at center, #2e080d 0%, #15161e 100%);
      border: 1px solid rgba(229, 9, 20, 0.4);
      border-radius: 16px;
      padding: 50px 40px;
      text-align: center;
      box-shadow: 0 10px 40px rgba(0,0,0,0.6);
    }
    .cta-banner h2 {
      font-size: 2.2rem;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .cta-banner p {
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto 30px;
      font-size: 1.05rem;
    }
    .cta-form {
      display: flex;
      justify-content: center;
      gap: 12px;
      max-width: 500px;
      margin: 0 auto;
    }
    .cta-form input {
      flex: 1;
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      background: rgba(0, 0, 0, 0.4);
      color: #fff;
      font-size: 1rem;
      outline: none;
    }
    .cta-form input:focus {
      border-color: var(--primary);
    }

    /* 页脚 */
    .site-footer {
      background: #090a0d;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 30px;
      margin-bottom: 30px;
    }
    .footer-brand {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .highlights-grid, .media-grid, .reviews-grid, .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-flow, .perks-grid, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-title {
        font-size: 2.3rem;
      }
    }    @media (max-width: 768px) {
      .section {
        padding: 50px 0;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .highlights-grid, .media-grid, .reviews-grid, .news-wrapper, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .ticker-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-form {
        flex-direction: column;
      }
      .news-item {
        flex-direction: column;
        align-items: flex-start;
      }
      .news-thumb {
        width: 100%;
        height: 180px;
      }
    }
    @media (max-width: 520px) {
      .steps-flow, .perks-grid, .metrics-grid, .countdown-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-actions {
        flex-direction: column;
        width: 100%;
      }
      .btn {
        width: 100%;
      }
      .sub-input-group {
        flex-direction: column;
      }
    }