/* roulang page: index */
:root {
      --bg-dark: #080d0d;
      --bg-card: #121919;
      --bg-card-hover: #192424;
      --accent-green: #2cd6a2;
      --accent-green-hover: #26bd8f;
      --text-main: #f0fdf9;
      --text-muted: #839b97;
      --border-subtle: #1a2a28;
      --hero-glow: rgba(44, 214, 162, 0.12);
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      margin: 0;
      padding: 0;
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle at 50% 8%, var(--hero-glow) 0%, transparent 60%);
      background-repeat: no-repeat;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--accent-green);
    }

    /* 顶部导航 */
    .site-header {
      background: rgba(8, 13, 13, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #2cd6a2, #0d7055);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      box-shadow: 0 0 15px rgba(44, 214, 162, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 14px;
      color: #cbdad6;
      font-weight: 500;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--accent-green);
    }
    .nav-search {
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search input {
      background: #111a19;
      border: 1px solid var(--border-subtle);
      border-radius: 20px;
      color: #fff;
      padding: 7px 16px 7px 36px;
      font-size: 13px;
      width: 180px;
      margin: 0;
      transition: width 0.3s;
    }
    .nav-search input:focus {
      width: 220px;
      border-color: var(--accent-green);
      background: #142220;
      outline: none;
      box-shadow: none;
    }
    .nav-search .search-icon {
      position: absolute;
      left: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 移动端菜单按钮 */
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 22px;
      cursor: pointer;
    }

    /* 首屏 Hero */
    .hero-section {
      text-align: center;
      padding: 70px 20px 40px;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-title {
      font-size: 42px;
      font-weight: 800;
      letter-spacing: 1px;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .hero-subtitle {
      font-size: 15px;
      color: var(--accent-green);
      margin-bottom: 14px;
      font-weight: 500;
      letter-spacing: 0.5px;
    }
    .hero-desc {
      font-size: 14px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto 30px;
      line-height: 1.7;
    }
    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
    }
    .btn-emerald {
      background: var(--accent-green);
      color: #06110f;
      font-weight: 600;
      padding: 10px 28px;
      border-radius: 24px;
      font-size: 14px;
      border: 1px solid var(--accent-green);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-emerald:hover {
      background: var(--accent-green-hover);
      color: #06110f;
      box-shadow: 0 0 16px rgba(44, 214, 162, 0.35);
    }
    .btn-ghost {
      background: #101c1a;
      color: #d1ece5;
      font-weight: 600;
      padding: 10px 28px;
      border-radius: 24px;
      font-size: 14px;
      border: 1px solid var(--border-subtle);
      cursor: pointer;
    }
    .btn-ghost:hover {
      border-color: var(--accent-green);
      color: #ffffff;
      background: #142422;
    }

    /* 通用区块排版 */
    .section-wrap {
      max-width: 1200px;
      margin: 0 auto;
      padding: 50px 20px;
    }
    .section-header {
      text-align: center;
      margin-bottom: 38px;
    }
    .section-title {
      font-size: 26px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 8px;
    }
    .section-sub {
      font-size: 13px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

    /* 核心优势板块 */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .adv-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 24px 20px;
      text-align: center;
      transition: all 0.3s;
    }
    .adv-card:hover {
      background: var(--bg-card-hover);
      border-color: rgba(44, 214, 162, 0.4);
      transform: translateY(-4px);
    }
    .adv-icon-wrap {
      width: 48px;
      height: 48px;
      background: #182825;
      color: var(--accent-green);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 18px;
    }
    .adv-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 8px;
      color: #ffffff;
    }
    .adv-card p {
      font-size: 13px;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.5;
    }

    /* 精选演播流卡片 (多彩背景头图卡片) */
    .show-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .show-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s, border-color 0.3s;
    }
    .show-card:hover {
      transform: translateY(-4px);
      border-color: rgba(44, 214, 162, 0.4);
    }
    .show-cover {
      height: 140px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .show-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }
    .show-card:hover .show-cover img {
      transform: scale(1.06);
    }
    .show-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.65);
      backdrop-filter: blur(4px);
      color: #2cd6a2;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 12px;
      font-weight: 500;
    }
    .play-btn-circle {
      position: absolute;
      width: 40px;
      height: 40px;
      background: rgba(0, 0, 0, 0.5);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 14px;
      backdrop-filter: blur(4px);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .show-duration {
      position: absolute;
      bottom: 8px;
      right: 10px;
      background: rgba(0, 0, 0, 0.7);
      color: #cbdad6;
      font-size: 11px;
      padding: 2px 6px;
      border-radius: 4px;
    }
    .show-body {
      padding: 16px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .show-title {
      font-size: 14px;
      font-weight: 600;
      color: #ffffff;
      line-height: 1.4;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .show-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .show-tags {
      margin-top: auto;
      display: flex;
      gap: 6px;
    }
    .tag-pill {
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      background: #172422;
      color: var(--accent-green);
      border: 1px solid #233a35;
    }

    /* 平台简介 */
    .about-box {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 32px;
    }
    .about-tags {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 24px;
      flex-wrap: wrap;
    }
    .about-badge {
      background: #162422;
      color: #8be1cb;
      font-size: 12px;
      padding: 5px 14px;
      border-radius: 16px;
      border: 1px solid #25403a;
    }
    .about-content {
      font-size: 14px;
      color: #a4beba;
      line-height: 1.8;
      text-align: justify;
      margin: 0;
    }

    /* 相关资讯板块 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      transition: all 0.3s;
    }
    .news-card:hover {
      border-color: rgba(44, 214, 162, 0.4);
      background: var(--bg-card-hover);
    }
    .news-date {
      font-size: 11px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }
    .news-card h4 {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .news-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 14px;
      flex-grow: 1;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .news-card .read-more {
      font-size: 12px;
      color: var(--accent-green);
      font-weight: 500;
    }

    /* 常见问题 Accordion */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 10px;
      overflow: hidden;
    }
    .faq-question {
      padding: 16px 20px;
      font-size: 14px;
      font-weight: 500;
      color: #ffffff;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--accent-green);
    }
    .faq-answer {
      padding: 0 20px 16px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      display: none;
      border-top: 1px solid #182826;
      margin-top: 4px;
      padding-top: 12px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }
    .faq-icon {
      transition: transform 0.3s;
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 使用指南 步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 24px 16px;
      text-align: center;
    }
    .step-icon {
      font-size: 22px;
      color: var(--accent-green);
      margin-bottom: 12px;
    }
    .step-card h4 {
      font-size: 14px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 6px;
    }
    .step-card p {
      font-size: 12px;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.4;
    }

    /* 用户评价留言区 */
    .comments-box {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 28px;
      max-width: 860px;
      margin: 0 auto;
    }
    .comment-form {
      margin-bottom: 24px;
    }
    .comment-form input,
    .comment-form textarea {
      background: #0d1514;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      color: #fff;
      font-size: 13px;
      padding: 10px 14px;
      width: 100%;
      margin-bottom: 12px;
    }
    .comment-form textarea {
      resize: vertical;
      min-height: 70px;
    }
    .comment-form input:focus,
    .comment-form textarea:focus {
      outline: none;
      border-color: var(--accent-green);
      background: #111b19;
    }
    .comment-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 20px;
    }
    .comment-item {
      font-size: 13px;
    }
    .comment-meta {
      display: flex;
      justify-content: space-between;
      color: var(--text-muted);
      font-size: 12px;
      margin-bottom: 4px;
    }
    .comment-user {
      font-weight: 600;
      color: #e2f0ed;
    }
    .comment-text {
      color: #9cb8b3;
      line-height: 1.5;
    }

    /* 页脚 */
    .site-footer {
      border-top: 1px solid var(--border-subtle);
      background: #060a0a;
      padding: 40px 20px;
      text-align: center;
      font-size: 12px;
      color: #5d7571;
    }
    .footer-desc {
      max-width: 800px;
      margin: 0 auto 12px;
      line-height: 1.6;
    }
    .footer-copy {
      color: #445956;
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .advantages-grid,
      .show-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #0c1413;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-subtle);
        gap: 16px;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-search {
        display: none;
      }
      .hero-title {
        font-size: 28px;
      }
      .advantages-grid,
      .show-grid,
      .news-grid,
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .about-box {
        padding: 20px;
      }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #080d0d;
      --bg-card: #121919;
      --bg-card-hover: #192424;
      --accent-green: #2cd6a2;
      --accent-green-hover: #26bd8f;
      --text-main: #f0fdf9;
      --text-muted: #839b97;
      --border-subtle: #1a2a28;
      --hero-glow: rgba(44, 214, 162, 0.12);
    }
    * {
      box-sizing: border-box;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      margin: 0;
      padding: 0;
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle at 50% 8%, var(--hero-glow) 0%, transparent 60%);
      background-repeat: no-repeat;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--accent-green);
    }

    /* 顶部导航 (共用) */
    .site-header {
      background: rgba(8, 13, 13, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #2cd6a2, #0d7055);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      box-shadow: 0 0 15px rgba(44, 214, 162, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 14px;
      color: #cbdad6;
      font-weight: 500;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--accent-green);
    }
    .nav-search {
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search input {
      background: #111a19;
      border: 1px solid var(--border-subtle);
      border-radius: 20px;
      color: #fff;
      padding: 7px 16px 7px 36px;
      font-size: 13px;
      width: 180px;
      margin: 0;
      transition: width 0.3s;
    }
    .nav-search input:focus {
      width: 220px;
      border-color: var(--accent-green);
      background: #142220;
      outline: none;
      box-shadow: none;
    }
    .nav-search .search-icon {
      position: absolute;
      left: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 22px;
      cursor: pointer;
    }

    /* 按钮 */
    .btn-emerald {
      background: var(--accent-green);
      color: #06110f;
      font-weight: 600;
      padding: 10px 28px;
      border-radius: 24px;
      font-size: 14px;
      border: 1px solid var(--accent-green);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
    }
    .btn-emerald:hover {
      background: var(--accent-green-hover);
      color: #06110f;
      box-shadow: 0 0 16px rgba(44, 214, 162, 0.35);
    }
    .btn-ghost {
      background: #101c1a;
      color: #d1ece5;
      font-weight: 600;
      padding: 10px 28px;
      border-radius: 24px;
      font-size: 14px;
      border: 1px solid var(--border-subtle);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
    }
    .btn-ghost:hover {
      border-color: var(--accent-green);
      color: #ffffff;
      background: #142422;
    }

    /* 通用容器 */
    .section-wrap {
      max-width: 1200px;
      margin: 0 auto;
      padding: 50px 20px;
    }
    .section-header {
      text-align: center;
      margin-bottom: 38px;
    }
    .section-title {
      font-size: 26px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 8px;
    }
    .section-sub {
      font-size: 13px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

    /* 分类落地首屏 Hero */
    .cat-hero {
      padding: 60px 20px 40px;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }
    .cat-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      background: rgba(44, 214, 162, 0.12);
      border: 1px solid rgba(44, 214, 162, 0.3);
      color: var(--accent-green);
      border-radius: 16px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 18px;
    }
    .cat-hero h1 {
      font-size: 38px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
      line-height: 1.25;
    }
    .cat-hero p {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto 30px;
      line-height: 1.8;
    }
    .cat-hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
    }

    /* 频道分类切换标签 */
    .channel-filter {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 40px;
    }
    .filter-tab {
      padding: 7px 18px;
      background: #111a19;
      border: 1px solid var(--border-subtle);
      border-radius: 20px;
      font-size: 13px;
      color: #a4bdb8;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s;
    }
    .filter-tab:hover,
    .filter-tab.active {
      background: rgba(44, 214, 162, 0.15);
      border-color: var(--accent-green);
      color: var(--accent-green);
    }

    /* 演播间网格 */
    .live-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .live-room-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s, border-color 0.3s;
    }
    .live-room-card:hover {
      transform: translateY(-4px);
      border-color: rgba(44, 214, 162, 0.4);
    }
    .card-preview {
      position: relative;
      height: 180px;
      overflow: hidden;
      background: #0f1616;
    }
    .card-preview img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s;
    }
    .live-room-card:hover .card-preview img {
      transform: scale(1.05);
    }
    .live-status-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(220, 38, 38, 0.85);
      color: #fff;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .live-status-tag .pulse-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #fff;
      display: inline-block;
      animation: blink 1.2s infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }
    .viewer-tag {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.65);
      backdrop-filter: blur(4px);
      color: #cbdad6;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .room-info {
      padding: 16px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .room-title {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin: 0 0 8px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .room-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
    }
    .room-anchor {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #e0f2ee;
    }
    .room-tag {
      background: #192725;
      padding: 2px 7px;
      border-radius: 4px;
      color: var(--accent-green);
    }

    /* 技术矩阵架构 (特色场景) */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .spec-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 24px 18px;
      text-align: center;
      transition: all 0.3s;
    }
    .spec-card:hover {
      border-color: rgba(44, 214, 162, 0.4);
      background: var(--bg-card-hover);
    }
    .spec-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(44, 214, 162, 0.1);
      color: var(--accent-green);
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }
    .spec-card h3 {
      font-size: 16px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 8px;
    }
    .spec-card p {
      font-size: 12px;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.6;
    }

    /* 资讯速递文章列表 (动态列表区) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 22px 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s;
    }
    .news-card:hover {
      border-color: rgba(44, 214, 162, 0.4);
      transform: translateY(-3px);
    }
    .news-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }
    .news-title {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 8px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .news-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .news-link {
      font-size: 12px;
      color: var(--accent-green);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-weight: 500;
    }

    /* 常见疑问板块 (跟图抽屉样式) */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 10px;
      overflow: hidden;
    }
    .faq-question {
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      color: #e5f5f1;
    }
    .faq-question i.faq-icon-left {
      color: var(--accent-green);
      margin-right: 12px;
    }
    .faq-answer {
      padding: 0 20px 16px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 视听指南流程 (4步) */
    .guide-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .guide-box {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 22px 16px;
      text-align: center;
    }
    .guide-step {
      font-size: 11px;
      font-weight: 700;
      color: var(--accent-green);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }
    .guide-box h4 {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 6px;
    }
    .guide-box p {
      font-size: 12px;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.5;
    }

    /* 页脚 (复用首页结构规范) */
    .site-footer {
      border-top: 1px solid var(--border-subtle);
      background: #060a0a;
      padding: 40px 20px 30px;
      text-align: center;
      margin-top: 60px;
    }
    .footer-desc {
      max-width: 820px;
      margin: 0 auto 16px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .footer-copy {
      font-size: 12px;
      color: #556d68;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .live-cards-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .specs-grid,
      .guide-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #090e0e;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-subtle);
        gap: 16px;
      }
      .nav-links.is-open {
        display: flex;
      }
      .nav-search {
        display: none;
      }
      .cat-hero h1 {
        font-size: 28px;
      }
      .live-cards-grid,
      .news-grid,
      .specs-grid,
      .guide-grid {
        grid-template-columns: 1fr;
      }
      .cat-hero-actions {
        flex-direction: column;
        align-items: center;
      }
      .btn-emerald, .btn-ghost {
        width: 100%;
        max-width: 280px;
        justify-content: center;
      }
    }

/* roulang page: article */
:root {
      --bg-dark: #080d0d;
      --bg-card: #121919;
      --bg-card-hover: #192424;
      --accent-green: #2cd6a2;
      --accent-green-hover: #26bd8f;
      --text-main: #f0fdf9;
      --text-muted: #839b97;
      --border-subtle: #1a2a28;
      --hero-glow: rgba(44, 214, 162, 0.12);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      margin: 0;
      padding: 0;
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle at 50% 8%, var(--hero-glow) 0%, transparent 60%);
      background-repeat: no-repeat;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--accent-green);
    }
    .site-header {
      background: rgba(8, 13, 13, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #2cd6a2, #0d7055);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      box-shadow: 0 0 15px rgba(44, 214, 162, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 14px;
      color: #cbdad6;
      font-weight: 500;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--accent-green);
    }
    .nav-search {
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search input {
      background: #111a19;
      border: 1px solid var(--border-subtle);
      border-radius: 20px;
      color: #fff;
      padding: 7px 16px 7px 36px;
      font-size: 13px;
      width: 180px;
      margin: 0;
      transition: width 0.3s;
    }
    .nav-search input:focus {
      width: 220px;
      border-color: var(--accent-green);
      background: #142220;
      outline: none;
      box-shadow: none;
    }
    .nav-search .search-icon {
      position: absolute;
      left: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 22px;
      cursor: pointer;
    }

    .article-wrap {
      max-width: 1200px;
      margin: 30px auto 60px;
      padding: 0 20px;
    }
    .breadcrumb-nav {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumb-nav a {
      color: #cbdad6;
    }
    .breadcrumb-nav a:hover {
      color: var(--accent-green);
    }

    .content-layout {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 30px;
    }
    .main-article {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 16px;
      padding: 36px 40px;
    }
    .article-header {
      border-bottom: 1px solid var(--border-subtle);
      padding-bottom: 24px;
      margin-bottom: 28px;
    }
    .article-title {
      font-size: 28px;
      font-weight: 700;
      color: #ffffff;
      line-height: 1.4;
      margin-bottom: 16px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 18px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .article-meta span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .article-meta i {
      color: var(--accent-green);
    }
    .article-hero-banner {
      width: 100%;
      height: 320px;
      border-radius: 12px;
      overflow: hidden;
      margin-bottom: 28px;
      position: relative;
    }
    .article-hero-banner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .article-body {
      font-size: 15px;
      line-height: 1.8;
      color: #d1ece5;
    }
    .article-body p {
      margin-bottom: 20px;
    }
    .article-body h2 {
      font-size: 20px;
      font-weight: 600;
      color: #ffffff;
      margin: 32px 0 16px;
      border-left: 4px solid var(--accent-green);
      padding-left: 12px;
    }
    .article-body h3 {
      font-size: 17px;
      font-weight: 600;
      color: #ffffff;
      margin: 24px 0 12px;
    }
    .article-empty {
      text-align: center;
      padding: 80px 20px;
    }
    .article-empty i {
      font-size: 48px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .article-empty p {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .btn-return {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent-green);
      color: #06110f;
      padding: 9px 24px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 14px;
    }
    .btn-return:hover {
      background: var(--accent-green-hover);
      color: #06110f;
    }

    .side-panel {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .panel-widget {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 22px;
    }
    .widget-title {
      font-size: 16px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-left: 3px solid var(--accent-green);
      padding-left: 8px;
    }
    .hot-post-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .hot-post-item {
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .hot-post-thumb {
      width: 72px;
      height: 52px;
      border-radius: 6px;
      overflow: hidden;
      flex-shrink: 0;
    }
    .hot-post-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hot-post-info {
      flex: 1;
      min-width: 0;
    }
    .hot-post-title {
      font-size: 13px;
      color: #d1ece5;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .hot-post-title:hover {
      color: var(--accent-green);
    }
    .hot-post-date {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .banner-card {
      position: relative;
      border-radius: 14px;
      overflow: hidden;
      height: 180px;
    }
    .banner-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .banner-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8, 13, 13, 0.2) 0%, rgba(8, 13, 13, 0.85) 100%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 16px;
    }
    .banner-mask h4 {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
    }
    .banner-mask p {
      font-size: 12px;
      color: var(--accent-green);
      margin: 0;
    }

    .site-footer {
      background: #050808;
      border-top: 1px solid var(--border-subtle);
      padding: 40px 20px;
      text-align: center;
      margin-top: 60px;
    }
    .footer-desc {
      font-size: 13px;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 16px;
      line-height: 1.8;
    }
    .footer-copy {
      font-size: 12px;
      color: #586d69;
    }

    @media (max-width: 1024px) {
      .content-layout {
        grid-template-columns: 1fr;
      }
      .side-panel {
        display: grid;
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-search {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-links.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #0c1414;
        padding: 20px;
        border-bottom: 1px solid var(--border-subtle);
        gap: 16px;
      }
      .side-panel {
        grid-template-columns: 1fr;
      }
      .main-article {
        padding: 24px 18px;
      }
      .article-title {
        font-size: 22px;
      }
      .article-hero-banner {
        height: 200px;
      }
    }