/* roulang page: index */
:root {
      --copymanga-primary: #ff4757;
      --copymanga-primary-hover: #e0404f;
      --copymanga-secondary: #2f3542;
      --copymanga-bg: #0f1015;
      --copymanga-card-bg: #181a20;
      --copymanga-card-subtle: #21242d;
      --copymanga-text: #f1f2f6;
      --copymanga-text-muted: #a4b0be;
      --copymanga-border: #2c303c;
      --copymanga-accent: #ffa502;
      --copymanga-cyan: #70a1ff;
      --copymanga-radius-sm: 6px;
      --copymanga-radius-md: 10px;
      --copymanga-radius-lg: 16px;
      --copymanga-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
      --copymanga-max-width: 1240px;
      --copymanga-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      background-color: var(--copymanga-bg);
      color: var(--copymanga-text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--copymanga-transition);
    }

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

    .container {
      width: 100%;
      max-width: var(--copymanga-max-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航：分段标签 */
    .copymanga-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 16, 21, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--copymanga-border);
    }

    .copymanga-nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 20px;
    }

    .copymanga-logo {
      font-size: 24px;
      font-weight: 800;
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
    }

    .copymanga-logo span {
      background: linear-gradient(135deg, var(--copymanga-primary), #ff6b81);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .copymanga-seg-nav {
      display: flex;
      align-items: center;
      background: var(--copymanga-card-bg);
      padding: 4px;
      border-radius: 999px;
      border: 1px solid var(--copymanga-border);
    }

    .copymanga-chip {
      padding: 7px 18px;
      font-size: 14px;
      font-weight: 500;
      border-radius: 999px;
      color: var(--copymanga-text-muted);
      cursor: pointer;
      white-space: nowrap;
    }

    .copymanga-chip.active,
    .copymanga-chip:hover {
      color: #fff;
      background: var(--copymanga-card-subtle);
    }

    .copymanga-chip.active {
      background: var(--copymanga-primary);
    }

    .copymanga-nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .copymanga-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--copymanga-radius-sm);
      cursor: pointer;
      border: none;
      transition: var(--copymanga-transition);
    }

    .copymanga-btn-primary {
      background: var(--copymanga-primary);
      color: #fff;
    }

    .copymanga-btn-primary:hover {
      background: var(--copymanga-primary-hover);
      box-shadow: 0 4px 16px rgba(255, 71, 87, 0.4);
    }

    .copymanga-btn-outline {
      background: transparent;
      border: 1px solid var(--copymanga-border);
      color: var(--copymanga-text);
    }

    .copymanga-btn-outline:hover {
      border-color: var(--copymanga-primary);
      color: var(--copymanga-primary);
    }

    /* 板块通用 */
    section {
      padding: 60px 0;
      border-bottom: 1px solid rgba(44, 48, 60, 0.45);
    }

    .section-header {
      margin-bottom: 36px;
    }

    .section-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--copymanga-primary);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: #fff;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--copymanga-text-muted);
      max-width: 820px;
      line-height: 1.7;
    }

    /* 1. Hero 本地网络与边缘节点首屏 */
    .copymanga-hero {
      padding: 70px 0 60px;
      background: radial-gradient(circle at 80% 20%, rgba(255, 71, 87, 0.08) 0%, transparent 60%);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .hero-p {
      font-size: 16px;
      color: var(--copymanga-text-muted);
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .hero-location-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 30px;
    }

    .loc-tag {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 13px;
      color: #ced6e0;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .loc-tag b {
      color: #2ed573;
    }

    .hero-hud-card {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-lg);
      padding: 28px;
      box-shadow: var(--copymanga-shadow);
      position: relative;
    }

    .hud-header {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid var(--copymanga-border);
      padding-bottom: 14px;
      margin-bottom: 18px;
      font-size: 13px;
      color: var(--copymanga-text-muted);
    }

    .hud-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 12px;
      font-size: 14px;
    }

    .hud-row span:first-child {
      color: var(--copymanga-text-muted);
    }

    .hud-row span:last-child {
      color: #fff;
      font-weight: 600;
    }

    .hud-latency-pill {
      background: rgba(46, 213, 115, 0.15);
      color: #2ed573;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
    }

    /* 2. 分类入口墙 */
    .cat-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .cat-item-card {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-md);
      padding: 24px;
      transition: var(--copymanga-transition);
    }

    .cat-item-card:hover {
      border-color: var(--copymanga-primary);
      transform: translateY(-4px);
    }

    .cat-icon-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .cat-count {
      font-size: 12px;
      color: var(--copymanga-primary);
      background: rgba(255, 71, 87, 0.1);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .cat-item-card p {
      font-size: 13px;
      color: var(--copymanga-text-muted);
      line-height: 1.6;
    }

    /* 3. 精选推荐 */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .featured-box {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .featured-cover-mock {
      height: 190px;
      background: linear-gradient(135deg, #2f3542 0%, #1e272e 100%);
      padding: 20px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }

    .featured-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      background: var(--copymanga-primary);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
    }

    .featured-cover-mock h3 {
      font-size: 20px;
      color: #fff;
      font-weight: 700;
      text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    }

    .featured-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .featured-body p {
      font-size: 14px;
      color: var(--copymanga-text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .featured-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: #747d8c;
      border-top: 1px solid var(--copymanga-border);
      padding-top: 12px;
    }

    /* 4. 资讯与行业连载动态 */
    .news-dual-pane {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .news-item {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      padding: 18px 20px;
      border-radius: var(--copymanga-radius-sm);
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--copymanga-transition);
    }

    .news-item:hover {
      border-color: var(--copymanga-cyan);
    }

    .news-info h4 {
      font-size: 15px;
      font-weight: 600;
      color: #f1f2f6;
      margin-bottom: 6px;
    }

    .news-info p {
      font-size: 13px;
      color: var(--copymanga-text-muted);
    }

    .news-badge {
      font-size: 12px;
      color: var(--copymanga-cyan);
      white-space: nowrap;
      margin-left: 16px;
    }

    /* 5. 热门排行榜 */
    .ranking-compact-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .rank-row {
      display: grid;
      grid-template-columns: 60px 2.5fr 1fr 1.2fr;
      align-items: center;
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      padding: 14px 20px;
      border-radius: var(--copymanga-radius-sm);
    }

    .rank-pos {
      font-size: 18px;
      font-weight: 800;
      color: var(--copymanga-text-muted);
    }

    .rank-pos.top-one { color: #ffa502; }
    .rank-pos.top-two { color: #ced6e0; }
    .rank-pos.top-three { color: #eccc68; }

    .rank-comic-name {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
    }

    .rank-score {
      font-size: 13px;
      color: var(--copymanga-accent);
      font-weight: 600;
    }

    .rank-status {
      font-size: 13px;
      color: var(--copymanga-text-muted);
      text-align: right;
    }

    /* 6. 证据与性能实测面板 */
    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .proof-card {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-md);
      padding: 24px;
      text-align: center;
    }

    .proof-num {
      font-size: 36px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
      font-feature-settings: "tnum";
    }

    .proof-card:nth-child(1) .proof-num { color: #ff4757; }
    .proof-card:nth-child(2) .proof-num { color: #2ed573; }
    .proof-card:nth-child(3) .proof-num { color: #ffa502; }
    .proof-card:nth-child(4) .proof-num { color: #70a1ff; }

    .proof-label {
      font-size: 14px;
      font-weight: 600;
      color: #f1f2f6;
      margin-bottom: 8px;
    }

    .proof-text {
      font-size: 13px;
      color: var(--copymanga-text-muted);
      line-height: 1.5;
    }

    /* 7. 新手进阶三步 */
    .steps-chain {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-box {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-md);
      padding: 28px 24px;
    }

    .step-order {
      font-size: 13px;
      font-weight: 700;
      color: var(--copymanga-primary);
      margin-bottom: 12px;
      display: inline-block;
    }

    .step-box h3 {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .step-box p {
      font-size: 13px;
      color: var(--copymanga-text-muted);
      line-height: 1.6;
    }

    /* 8. 多端阅读截图舞台 */
    .stage-canvas {
      background: linear-gradient(180deg, var(--copymanga-card-bg) 0%, #121319 100%);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .stage-preview {
      border: 2px solid #333846;
      border-radius: 12px;
      background: #090a0d;
      padding: 18px;
      box-shadow: 0 16px 40px rgba(0,0,0,0.6);
    }

    .preview-bar {
      display: flex;
      gap: 6px;
      margin-bottom: 14px;
    }

    .p-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #4b4b4b;
    }

    .preview-inner {
      background: #171821;
      height: 220px;
      border-radius: 6px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      color: var(--copymanga-text-muted);
      gap: 10px;
      border: 1px dashed var(--copymanga-border);
    }

    .preview-inner strong {
      color: #fff;
      font-size: 16px;
    }

    .stage-desc-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .stage-point {
      display: flex;
      gap: 14px;
    }

    .stage-point-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      background: rgba(255, 71, 87, 0.15);
      color: var(--copymanga-primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 13px;
    }

    .stage-point h4 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 4px;
    }

    .stage-point p {
      font-size: 13px;
      color: var(--copymanga-text-muted);
    }

    /* 9. 连载作者与合作网络 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .partner-unit {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-sm);
      padding: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #dcdde1;
      font-size: 14px;
      font-weight: 600;
    }

    /* 10. 服务保障条 */
    .guarantee-strip {
      background: var(--copymanga-card-bg);
      border: 1px solid var(--copymanga-border);
      border-radius: var(--copymanga-radius-md);
      padding: 24px 32px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .guarantee-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--copymanga-primary);
      margin-top: 6px;
      flex-shrink: 0;
    }

    .guarantee-item h4 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 4px;
    }

    .guarantee-item p {
      font-size: 13px;
      color: var(--copymanga-text-muted);
    }

    /* 11. 试用与体验入口 (单次收口) */
    .copymanga-cta-section {
      background: radial-gradient(circle at 50% 50%, rgba(255, 71, 87, 0.12) 0%, transparent 70%);
      text-align: center;
      padding: 80px 0;
    }

    .cta-box-center {
      max-width: 680px;
      margin: 0 auto;
    }

    .cta-box-center h2 {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }

    .cta-box-center p {
      font-size: 15px;
      color: var(--copymanga-text-muted);
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .cta-btns {
      display: flex;
      justify-content: center;
      gap: 16px;
    }

    /* 页脚 */
    .copymanga-footer {
      background: #090a0d;
      border-top: 1px solid var(--copymanga-border);
      padding: 50px 0 30px;
      color: #747d8c;
      font-size: 13px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 20px;
      color: #fff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      max-width: 440px;
      line-height: 1.7;
    }

    .footer-links h5 {
      color: #f1f2f6;
      font-size: 14px;
      margin-bottom: 14px;
    }

    .footer-links ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links a:hover {
      color: var(--copymanga-primary);
    }

    .footer-bottom {
      border-top: 1px solid rgba(44, 48, 60, 0.5);
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      line-height: 1.8;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .cat-matrix {
        grid-template-columns: repeat(2, 1fr);
      }
      .featured-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .stage-canvas {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .copymanga-seg-nav {
        display: none;
      }
      .featured-grid,
      .news-dual-pane,
      .steps-chain,
      .guarantee-strip,
      .proof-grid {
        grid-template-columns: 1fr;
      }
      .rank-row {
        grid-template-columns: 40px 1.8fr 1fr;
      }
      .rank-status {
        display: none;
      }
      .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .section-title {
        font-size: 22px;
      }
      .cta-btns {
        flex-direction: column;
      }
    }