/* roulang page: index */
:root {
      --bg-main: #FAFAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F1117;
      --color-primary: #5B3DF5;
      --color-primary-hover: #472BD0;
      --color-accent: #00E5A3;
      --text-main: #18191F;
      --text-muted: #65676E;
      --text-light: #F4F5F8;
      --border-color: #E4E6EB;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
      --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 40px rgba(15, 17, 23, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-family);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    .section-wrap {
      padding: 96px 0;
      position: relative;
    }

    @media (max-width: 768px) {
      .section-wrap {
        padding: 56px 0;
      }
    }

    .sec-header {
      margin-bottom: 56px;
      text-align: center;
    }

    .sec-eyebrow {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--color-primary);
      margin-bottom: 8px;
      padding: 4px 12px;
      background: rgba(91, 61, 245, 0.08);
      border-radius: 20px;
    }

    .sec-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }

    .sec-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.8;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: #FFFFFF;
      border-bottom: 1px solid #ECEFF2;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      background: var(--color-primary);
      color: #FFF;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 900;
      box-shadow: 0 4px 10px rgba(91, 61, 245, 0.3);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 24px;
      margin: 0;
    }

    .nav-menu a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 4px;
      position: relative;
    }

    .nav-menu a:hover {
      color: var(--color-primary);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .nav-search {
      position: relative;
    }

    .nav-search input {
      border: 1px solid var(--border-color);
      background: #F8F9FA;
      border-radius: 20px;
      padding: 8px 16px;
      font-size: 0.85rem;
      width: 170px;
      margin: 0;
      outline: none;
      transition: all 0.3s;
    }

    .nav-search input:focus {
      border-color: var(--color-primary);
      background: #FFF;
      width: 210px;
    }

    .btn-brand {
      background: var(--color-primary);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: none;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(91, 61, 245, 0.25);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .btn-brand:hover {
      background: var(--color-primary-hover);
      color: #FFF;
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 8px 24px rgba(91, 61, 245, 0.35);
    }

    .btn-ghost {
      border: 1px solid var(--border-color);
      background: #FFFFFF;
      color: var(--text-main);
      font-weight: 600;
      padding: 10px 22px;
      border-radius: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
    }

    .btn-ghost:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: rgba(91, 61, 245, 0.04);
    }

    /* 1. Hero 广告与匹配引擎 */
    .hero-section {
      background: linear-gradient(rgba(15, 17, 23, 0.85), rgba(15, 17, 23, 0.92)),
                  url('/assets/images/89683ea188d6800b.jpg') center/cover no-repeat;
      color: #FFFFFF;
      padding: 100px 0 110px;
      position: relative;
    }

    .hero-badge-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }

    .hero-badge-hot {
      background: #FF3B30;
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 4px;
      letter-spacing: 0.05em;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.85; transform: scale(1.05); }
    }

    .hero-badge-text {
      color: var(--color-accent);
      font-size: 0.9rem;
      font-weight: 600;
      letter-spacing: 0.05em;
    }

    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      line-height: 1.2;
      color: #FFFFFF;
      margin-bottom: 24px;
      letter-spacing: -0.03em;
    }

    .hero-sub {
      font-size: 1.15rem;
      line-height: 1.85;
      color: #A0A5B5;
      margin-bottom: 36px;
      max-width: 680px;
    }

    .hero-filter-box {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 16px 40px rgba(0,0,0,0.4);
    }

    .filter-tags-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }

    .filter-chip {
      background: rgba(255, 255, 255, 0.12);
      color: #FFF;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.2s;
    }

    .filter-chip:hover, .filter-chip.active {
      background: var(--color-primary);
      border-color: var(--color-accent);
      color: #FFF;
    }

    .hero-stage-card {
      background: rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.12);
      overflow: hidden;
      padding: 20px;
      box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    }

    .hero-stage-card img {
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    .hero-meta-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 12px;
    }

    /* 通用卡片容器 */
    .clean-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: var(--shadow-sm);
      height: 100%;
    }

    .clean-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(91, 61, 245, 0.3);
    }

    /* 2. 架构指标 */
    .arch-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      overflow: hidden;
    }

    .arch-card::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--color-primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }

    .arch-card:hover::after {
      transform: scaleX(1);
    }

    .arch-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--color-primary);
      line-height: 1.2;
      margin-bottom: 6px;
      font-variant-numeric: tabular-nums;
    }

    .arch-label {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .arch-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }

    /* 3. 优势矩阵 */
    .adv-icon-badge {
      width: 48px;
      height: 48px;
      background: rgba(91, 61, 245, 0.1);
      color: var(--color-primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .adv-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    /* 4. 精选游戏推荐 */
    .game-hero-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      height: 100%;
    }

    .game-hero-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .game-card-cover {
      position: relative;
      height: 220px;
      overflow: hidden;
    }

    .game-card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .game-hero-card:hover .game-card-cover img {
      transform: scale(1.05);
    }

    .match-rate-pill {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(15, 17, 23, 0.85);
      border: 1px solid var(--color-accent);
      color: var(--color-accent);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      backdrop-filter: blur(4px);
    }

    .game-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .game-tags {
      display: flex;
      gap: 6px;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }

    .game-tag-item {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: #F0F2F6;
      border-radius: 4px;
      color: var(--text-muted);
    }

    .ai-verdict {
      background: #F7F7FA;
      border-left: 3px solid var(--color-primary);
      padding: 10px 14px;
      font-size: 0.88rem;
      color: #4A4D57;
      border-radius: 0 6px 6px 0;
      margin-top: auto;
      line-height: 1.6;
    }

    /* 5. 深色哲学理念 */
    .dark-section {
      background: var(--bg-dark);
      color: #FFFFFF;
      padding: 100px 0;
    }

    .dark-section .sec-title {
      color: #FFFFFF;
    }

    .dark-section .sec-desc {
      color: #9EABC0;
    }

    .philosophy-grid-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      height: 100%;
    }

    .philo-head {
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .philo-head span {
      color: var(--color-accent);
    }

    /* 6. 画像矩阵 */
    .persona-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .persona-avatar-wrap {
      width: 72px;
      height: 72px;
      margin: 0 auto 18px;
      border-radius: 50%;
      background: #ECEEFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
    }

    /* 7. 实时数据条 */
    .stats-bar {
      background: #181923;
      padding: 48px 0;
      color: #FFF;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .stat-metric {
      text-align: center;
    }

    .stat-val {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--color-accent);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .stat-name {
      font-size: 0.95rem;
      color: #A0A5B5;
    }

    /* 8. 玩家故事墙 */
    .review-bubble {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .rev-content {
      font-size: 0.95rem;
      color: #3B3E45;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .rev-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F0F2F5;
      padding-top: 16px;
    }

    .rev-author-name {
      font-weight: 700;
      font-size: 0.95rem;
    }

    .rev-author-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 9. 资讯前瞻 */
    .news-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
    }

    .news-card img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }

    .news-body {
      padding: 22px;
    }

    .news-time {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    /* 10. 安全承诺 */
    .guarantee-bar {
      background: #F4F5F9;
      padding: 40px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .guar-icon {
      font-size: 1.8rem;
      color: var(--color-primary);
    }

    .guar-title {
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .guar-sub {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.4;
      margin: 0;
    }

    /* 11. FAQ 手风琴定制 */
    .accordion-faq {
      background: transparent;
      border: none;
      list-style: none;
      margin: 0;
    }

    .accordion-faq .accordion-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }

    .accordion-faq .accordion-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      border: none;
      background: #FFF;
      transition: background 0.2s;
    }

    .accordion-faq .accordion-title:hover {
      background: #FAFAFD;
      color: var(--color-primary);
    }

    .accordion-faq .accordion-content {
      padding: 0 24px 22px;
      color: #555861;
      font-size: 0.95rem;
      line-height: 1.75;
      border-top: none;
    }

    /* 12. 行动收口区 */
    .cta-banner-wrap {
      background: linear-gradient(135deg, #1F1948 0%, #0F1117 100%);
      border-radius: var(--radius-lg);
      padding: 64px 40px;
      color: #FFF;
      text-align: center;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .cta-input-group {
      max-width: 540px;
      margin: 32px auto 0;
      display: flex;
      gap: 12px;
    }

    .cta-input-group input {
      height: 52px;
      border-radius: 30px;
      padding: 0 24px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.1);
      color: #FFF;
      font-size: 0.95rem;
      margin: 0;
      outline: none;
    }

    .cta-input-group input::placeholder {
      color: #A0A5B5;
    }

    /* 页脚 */
    .site-footer {
      background: #090A0E;
      color: #8C90A0;
      padding: 80px 0 36px;
      font-size: 0.9rem;
      border-top: 1px solid #1C1E26;
    }

    .footer-col-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a:hover {
      color: #FFF;
    }

    .footer-bottom {
      margin-top: 60px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    @media (max-width: 1024px) {
      .nav-menu { display: none; }
      .hero-title { font-size: 2.5rem; }
    }

    @media (max-width: 768px) {
      .nav-search { display: none; }
      .hero-title { font-size: 2rem; }
      .cta-input-group { flex-direction: column; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }