/* roulang page: index */
:root {
      --bg-deep: #170F2A;
      --panel-purple: #2A1B49;
      --surface-card: #23153D;
      --surface-card-hover: #2B1C4A;
      --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
      --brand-primary: #6C3CF4;
      --brand-accent: #21D4FD;
      --highlight-lime: #B6F34A;
      --text-primary: #F6F1FF;
      --text-secondary: #B9ACD6;
      --text-muted: #8F82B0;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(108, 60, 244, 0.55);
      --radius-xl: 24px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
      --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-num: "Barlow Condensed", "DIN Alternate", monospace;
      --section-gap-mobile: 40px;
      --section-gap-desktop: 72px;
      --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-cn);
      background: var(--bg-deep);
      color: var(--text-primary);
      font-size: 15px;
      line-height: 1.75;
      letter-spacing: 0.01em;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

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

    a {
      color: var(--brand-accent);
      text-decoration: none;
      transition: var(--transition-base);
    }

    a:hover,
    a:focus {
      color: var(--highlight-lime);
      text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--highlight-lime);
      outline-offset: 2px;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      font-family: var(--font-cn);
      color: var(--text-primary);
      line-height: 1.35;
      font-weight: 700;
      margin-bottom: 0.5em;
    }

    h1 {
      font-size: clamp(28px, 5vw, 42px);
      letter-spacing: -0.02em;
    }

    h2 {
      font-size: clamp(22px, 3.4vw, 30px);
    }

    h3 {
      font-size: clamp(17px, 2.4vw, 20px);
      margin-bottom: 0.4em;
    }

    p {
      margin-bottom: 1rem;
      color: var(--text-secondary);
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* ========== Header ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(23, 15, 42, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
    }

    .header-brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0 10px;
      gap: 16px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      flex-shrink: 0;
    }

    .brand-logo .logo-mark {
      width: 40px;
      height: 40px;
      background: var(--brand-gradient);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: #fff;
      font-weight: 700;
      font-family: var(--font-num);
      letter-spacing: 0.02em;
      box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
    }

    .brand-logo .site-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .header-right-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .rss-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-subtle);
      color: var(--text-secondary);
      font-size: 13px;
      transition: var(--transition-base);
    }

    .rss-link:hover {
      background: rgba(255, 255, 255, 0.12);
      color: var(--highlight-lime);
      border-color: rgba(182, 243, 74, 0.4);
    }

    /* Chip 导航 */
    .chip-nav-wrapper {
      padding-bottom: 12px;
    }

    .chip-nav {
      display: flex;
      overflow-x: auto;
      gap: 8px;
      scrollbar-width: none;
      -ms-overflow-style: none;
      -webkit-overflow-scrolling: touch;
      padding: 2px 0;
    }

    .chip-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-chip {
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 8px 16px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-subtle);
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      transition: var(--transition-base);
      white-space: nowrap;
      cursor: pointer;
      text-decoration: none;
    }

    .nav-chip:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.18);
    }

    .nav-chip.active {
      background: var(--brand-gradient);
      color: #fff;
      border-color: transparent;
      font-weight: 600;
      box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
    }

    .nav-chip .chip-icon {
      font-size: 13px;
      opacity: 0.85;
    }

    /* ========== Hero ========== */
    .hero {
      position: relative;
      overflow: hidden;
      min-height: 560px;
      display: flex;
      align-items: center;
      background: var(--panel-purple);
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/5dc8301afc52b9e7.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.35;
      z-index: 1;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(112deg, rgba(23, 15, 42, 0.92) 30%, rgba(23, 15, 42, 0.55) 65%, rgba(33, 212, 253, 0.18) 100%);
      z-index: 2;
    }

    .hero-overlay::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(108, 60, 244, 0.25) 0%, transparent 50%, rgba(33, 212, 253, 0.12) 100%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 3;
      padding: 80px 0 56px;
      max-width: 600px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 999px;
      background: rgba(182, 243, 74, 0.12);
      border: 1px solid rgba(182, 243, 74, 0.35);
      color: var(--highlight-lime);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero h1 {
      font-size: clamp(32px, 5.6vw, 48px);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .hero h1 .accent-text {
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-secondary);
      max-width: 520px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 24px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      transition: var(--transition-base);
      text-decoration: none;
      line-height: 1.2;
    }

    .btn-primary {
      background: var(--brand-gradient);
      color: #fff;
      box-shadow: 0 8px 24px rgba(108, 60, 244, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #5A2FD0 0%, #1BB8DB 100%);
      color: #fff;
      box-shadow: 0 12px 32px rgba(108, 60, 244, 0.48);
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: var(--text-primary);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: rgba(255, 255, 255, 0.35);
      color: var(--highlight-lime);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 9px 18px;
      font-size: 13px;
    }

    .hero-data-card {
      position: relative;
      z-index: 3;
      background: rgba(42, 27, 73, 0.75);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 24px;
      box-shadow: var(--shadow-card);
      max-width: 360px;
      margin-top: 32px;
    }

    .hero-data-card .data-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 4px;
      font-weight: 500;
    }

    .hero-data-card .data-value {
      font-family: var(--font-num);
      font-size: 40px;
      font-weight: 700;
      color: var(--highlight-lime);
      letter-spacing: 0.01em;
      line-height: 1.1;
    }

    .hero-data-card .data-unit {
      font-size: 15px;
      color: var(--text-muted);
      margin-left: 4px;
      font-family: var(--font-cn);
      font-weight: 400;
    }

    .hero-data-card .data-change {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: #1EDC7A;
      font-weight: 600;
      font-size: 14px;
      margin-top: 8px;
    }

    .hero-split {
      display: grid;
      grid-template-columns: 1fr 380px;
      gap: 40px;
      align-items: center;
    }

    /* ========== Sections ========== */
    .section {
      padding: var(--section-gap-mobile) 0;
    }

    .section-alt {
      background: var(--panel-purple);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

    .section-header {
      margin-bottom: 28px;
    }

    .section-header .section-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--brand-accent);
      margin-bottom: 6px;
    }

    .section-header h2 {
      margin-bottom: 8px;
    }

    .section-header p {
      max-width: 680px;
      font-size: 15px;
    }

    /* ========== 指标看板 ========== */
    .metric-board {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .metric-card {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 18px 20px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .metric-card:hover {
      background: var(--surface-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-3px);
    }

    .metric-card .metric-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 600;
      color: var(--highlight-lime);
      background: rgba(182, 243, 74, 0.1);
      border-radius: 6px;
      padding: 3px 8px;
      margin-bottom: 12px;
    }

    .metric-card .metric-value {
      font-family: var(--font-num);
      font-size: 32px;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.2;
      letter-spacing: 0.02em;
    }

    .metric-card .metric-value .trend-up {
      color: #1EDC7A;
      font-size: 15px;
      margin-left: 6px;
    }

    .metric-card .metric-value .trend-down {
      color: #FF6B6B;
      font-size: 15px;
      margin-left: 6px;
    }

    .metric-card .metric-label {
      font-size: 14px;
      color: var(--text-secondary);
      margin-top: 6px;
    }

    /* ========== 服务矩阵 / 编号矩阵 ========== */
    .service-matrix {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 20px;
    }

    .service-card-large {
      grid-row: span 2;
      background: var(--surface-card);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-subtle);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
      position: relative;
      overflow: hidden;
    }

    .service-card-large::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--brand-gradient);
    }

    .service-card-large:hover,
    .service-card-small:hover {
      background: var(--surface-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-3px);
    }

    .service-card-small {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 20px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .service-number {
      font-family: var(--font-num);
      font-size: 42px;
      font-weight: 700;
      color: rgba(108, 60, 244, 0.4);
      line-height: 1;
      margin-bottom: 10px;
    }

    .service-card-large h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .service-card-small h3 {
      font-size: 17px;
      margin-bottom: 8px;
    }

    /* ========== 结果对比 ========== */
    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .comparison-card {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }

    .comparison-card .comparison-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }

    .comparison-card .comparison-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .comparison-card .comparison-tag {
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 999px;
    }

    .tag-before {
      background: rgba(255, 107, 107, 0.12);
      color: #FF6B6B;
      border: 1px solid rgba(255, 107, 107, 0.3);
    }

    .tag-after {
      background: rgba(30, 220, 122, 0.12);
      color: #1EDC7A;
      border: 1px solid rgba(30, 220, 122, 0.3);
    }

    .comparison-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .comparison-item:last-child {
      border-bottom: none;
    }

    .comparison-item .item-label {
      font-size: 14px;
      color: var(--text-secondary);
    }

    .comparison-item .item-value {
      font-family: var(--font-num);
      font-size: 18px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .item-value.good {
      color: #1EDC7A;
    }

    .item-value.bad {
      color: #FF6B6B;
    }

    /* ========== 合集目录 ========== */
    .collection-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .collection-card {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .collection-card:hover {
      background: var(--surface-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-3px);
    }

    .collection-card .collection-img {
      width: 100%;
      aspect-ratio: 16/9;
      object-fit: cover;
    }

    .collection-card .collection-body {
      padding: 18px;
    }

    .collection-card .collection-topic {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--brand-accent);
      background: rgba(33, 212, 253, 0.1);
      border-radius: 6px;
      padding: 3px 8px;
      margin-bottom: 10px;
    }

    .collection-card h3 {
      font-size: 17px;
      margin-bottom: 6px;
    }

    .collection-card p {
      font-size: 14px;
      margin-bottom: 0;
    }

    /* ========== 相关推荐 / 卡片列表 ========== */
    .recommend-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .recommend-card {
      display: flex;
      gap: 16px;
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 16px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
      align-items: center;
    }

    .recommend-card:hover {
      background: var(--surface-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-2px);
    }

    .recommend-card .recommend-img {
      width: 90px;
      height: 90px;
      border-radius: var(--radius-md);
      object-fit: cover;
      flex-shrink: 0;
    }

    .recommend-card .recommend-info h3 {
      font-size: 16px;
      margin-bottom: 4px;
    }

    .recommend-card .recommend-info p {
      font-size: 13px;
      margin-bottom: 4px;
    }

    .recommend-card .recommend-date {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* ========== 资讯列表 ========== */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .news-card {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .news-card:hover {
      background: var(--surface-card-hover);
      border-color: var(--border-hover);
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .news-card .news-img {
      width: 100%;
      aspect-ratio: 16/9;
      object-fit: cover;
    }

    .news-card .news-body {
      padding: 18px;
    }

    .news-card .news-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .news-card .news-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--highlight-lime);
      background: rgba(182, 243, 74, 0.1);
      border-radius: 6px;
      padding: 3px 8px;
    }

    .news-card h3 {
      font-size: 16px;
      margin-bottom: 6px;
    }

    .news-card p {
      font-size: 14px;
      margin-bottom: 0;
    }

    /* ========== 里程碑 / 时间线 ========== */
    .milestone-timeline {
      position: relative;
      padding-left: 30px;
    }

    .milestone-timeline::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 4px;
      bottom: 4px;
      width: 2px;
      background: var(--brand-gradient);
      border-radius: 1px;
    }

    .milestone-item {
      position: relative;
      padding-bottom: 24px;
    }

    .milestone-item::before {
      content: '';
      position: absolute;
      left: -25px;
      top: 8px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--brand-accent);
      border: 2px solid var(--bg-deep);
      box-shadow: 0 0 0 2px rgba(33, 212, 253, 0.4);
    }

    .milestone-item .milestone-date {
      font-family: var(--font-num);
      font-size: 14px;
      font-weight: 600;
      color: var(--brand-accent);
      letter-spacing: 0.06em;
      margin-bottom: 4px;
    }

    .milestone-item h3 {
      font-size: 17px;
      margin-bottom: 4px;
    }

    .milestone-item p {
      font-size: 14px;
      margin-bottom: 0;
    }

    /* ========== 品牌介绍 ========== */
    .brand-intro-section {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
      background: var(--surface-card);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-subtle);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .brand-intro-content {
      padding: 32px;
    }

    .brand-intro-content h2 {
      margin-bottom: 12px;
    }

    .brand-intro-content p {
      margin-bottom: 8px;
    }

    .brand-intro-img {
      height: 100%;
      min-height: 260px;
      object-fit: cover;
    }

    .brand-logo-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      background: rgba(108, 60, 244, 0.15);
      border-radius: 999px;
      font-weight: 600;
      font-size: 15px;
      color: var(--text-primary);
      margin-bottom: 14px;
    }

    /* ========== 平台保障 ========== */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .guarantee-card {
      text-align: center;
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 22px 18px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .guarantee-card:hover {
      background: var(--surface-card-hover);
      transform: translateY(-3px);
    }

    .guarantee-card .guarantee-icon {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      background: rgba(108, 60, 244, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--brand-accent);
      margin: 0 auto 12px;
    }

    .guarantee-card h3 {
      font-size: 16px;
      margin-bottom: 6px;
    }

    .guarantee-card p {
      font-size: 13px;
      margin-bottom: 0;
    }

    /* ========== 用户口碑 ========== */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .testimonial-card {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 22px;
      box-shadow: var(--shadow-card);
    }

    .testimonial-card .testimonial-text {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 14px;
      position: relative;
      padding-left: 16px;
      border-left: 3px solid rgba(108, 60, 244, 0.4);
    }

    .testimonial-card .testimonial-author {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .testimonial-card .testimonial-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--brand-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: #fff;
      font-weight: 600;
    }

    .testimonial-card .testimonial-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .testimonial-card .testimonial-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* ========== 快速解答 ========== */
    .quick-answers {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .quick-answer-card {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      padding: 18px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .quick-answer-card:hover {
      background: var(--surface-card-hover);
      border-color: var(--border-hover);
    }

    .quick-answer-card .qa-icon {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: rgba(33, 212, 253, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      color: var(--brand-accent);
      flex-shrink: 0;
    }

    .quick-answer-card .qa-content h3 {
      font-size: 15px;
      margin-bottom: 4px;
    }

    .quick-answer-card .qa-content p {
      font-size: 14px;
      margin-bottom: 0;
    }

    /* ========== FAQ ========== */
    .faq-list .accordion {
      background: var(--surface-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      overflow: hidden;
      margin-bottom: 14px;
      box-shadow: var(--shadow-card);
    }

    .faq-list .accordion-title {
      background: transparent;
      border: none;
      color: var(--text-primary);
      font-size: 16px;
      font-weight: 600;
      padding: 18px 22px;
      cursor: pointer;
      transition: var(--transition-base);
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      text-align: left;
    }

    .faq-list .accordion-title:hover,
    .faq-list .accordion-title:focus {
      background: rgba(255, 255, 255, 0.05);
    }

    .faq-list .accordion-title::after {
      content: '+';
      font-size: 22px;
      color: var(--brand-accent);
      transition: var(--transition-base);
      flex-shrink: 0;
      margin-left: 12px;
    }

    .faq-list .is-active .accordion-title::after {
      content: '−';
      transform: rotate(180deg);
    }

    .faq-list .accordion-content {
      display: none;
      padding: 0 22px 20px;
      color: var(--text-secondary);
      font-size: 14px;
    }

    .faq-list .is-active .accordion-content {
      display: block;
    }

    /* ========== 转化表单 ========== */
    .subscribe-section {
      background: var(--surface-card);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-subtle);
      padding: 36px;
      box-shadow: var(--shadow-card);
      text-align: center;
    }

    .subscribe-section h2 {
      margin-bottom: 10px;
    }

    .subscribe-section p {
      max-width: 480px;
      margin: 0 auto 24px;
    }

    .subscribe-form {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      max-width: 520px;
      margin: 0 auto;
    }

    .subscribe-form input {
      flex: 1;
      min-width: 220px;
      padding: 13px 20px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-primary);
      font-size: 15px;
      font-family: var(--font-cn);
      outline: none;
      transition: var(--transition-base);
    }

    .subscribe-form input:focus {
      border-color: var(--brand-accent);
      background: rgba(255, 255, 255, 0.1);
    }

    .subscribe-form input::placeholder {
      color: var(--text-muted);
    }

    /* ========== Footer ========== */
    .site-footer {
      background: #120A20;
      border-top: 1px solid var(--border-subtle);
      padding: 48px 0 28px;
      margin-top: 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 32px;
    }

    .footer-brand p {
      font-size: 14px;
      max-width: 320px;
    }

    .footer-brand .brand-logo {
      margin-bottom: 14px;
    }

    .footer-col h3 {
      font-size: 16px;
      margin-bottom: 14px;
      color: var(--text-primary);
    }

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

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul li a {
      color: var(--text-secondary);
      font-size: 14px;
      text-decoration: none;
      transition: var(--transition-base);
    }

    .footer-col ul li a:hover {
      color: var(--highlight-lime);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-subtle);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-bottom a {
      color: var(--text-muted);
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: var(--highlight-lime);
    }

    /* ========== 响应式 ========== */
    @media screen and (max-width: 1024px) {
      .metric-board {
        grid-template-columns: repeat(2, 1fr);
      }

      .service-matrix {
        grid-template-columns: 1fr;
      }

      .service-card-large {
        grid-row: auto;
      }

      .collection-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .hero-split {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .hero-data-card {
        max-width: 100%;
        margin-top: 0;
      }

      .brand-intro-section {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media screen and (max-width: 768px) {
      .header-brand-row {
        flex-wrap: wrap;
        gap: 10px;
      }

      .chip-nav {
        gap: 6px;
      }

      .nav-chip {
        padding: 7px 13px;
        font-size: 13px;
      }

      .hero-content {
        padding: 48px 0 40px;
      }

      .hero h1 {
        font-size: 28px;
      }

      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

      .hero-actions .btn {
        width: 100%;
        justify-content: center;
      }

      .comparison-grid {
        grid-template-columns: 1fr;
      }

      .recommend-list {
        grid-template-columns: 1fr;
      }

      .quick-answers {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .subscribe-section {
        padding: 24px 18px;
      }

      .subscribe-form {
        flex-direction: column;
      }

      .subscribe-form input {
        width: 100%;
      }
    }

    @media screen and (max-width: 520px) {
      .metric-board {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .metric-card {
        padding: 14px;
      }

      .metric-card .metric-value {
        font-size: 26px;
      }

      .collection-grid {
        grid-template-columns: 1fr;
      }

      .news-grid {
        grid-template-columns: 1fr;
      }

      .guarantee-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .testimonial-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 32px 0;
      }

      .container {
        padding: 0 14px;
      }
    }

/* roulang page: category2 */
:root {
            --bg-deep: #170F2A;
            --panel-purple: #2A1B49;
            --surface-card: #23153D;
            --surface-card-hover: #2B1C4A;
            --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
            --brand-primary: #6C3CF4;
            --brand-accent: #21D4FD;
            --highlight-lime: #B6F34A;
            --text-primary: #F6F1FF;
            --text-secondary: #B9ACD6;
            --text-muted: #8F82B0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(108, 60, 244, 0.55);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", monospace;
            --section-gap-mobile: 40px;
            --section-gap-desktop: 72px;
            --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--highlight-lime);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--highlight-lime);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--section-gap-mobile) 0;
        }
        @media (min-width: 1024px) {
            .section {
                padding: var(--section-gap-desktop) 0;
            }
        }
        .section-alt {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(23, 15, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }
        .brand-logo .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .header-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .rss-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .rss-link i {
            color: var(--highlight-lime);
        }
        .chip-nav-wrapper {
            padding-bottom: 12px;
        }
        .chip-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }
        .chip-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
        }
        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.85;
        }
        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            overflow: hidden;
            background: var(--panel-purple);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/5dc8301afc52b9e7.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(112deg, rgba(23, 15, 42, 0.92) 30%, rgba(23, 15, 42, 0.65) 65%, rgba(33, 212, 253, 0.15) 100%);
            z-index: 2;
        }
        .category-hero-content {
            position: relative;
            z-index: 3;
        }
        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(182, 243, 74, 0.12);
            border: 1px solid rgba(182, 243, 74, 0.35);
            color: var(--highlight-lime);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: clamp(28px, 4.8vw, 40px);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            font-weight: 700;
            color: var(--text-primary);
        }
        .category-hero .subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 760px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
        }
        .hero-stat-badge .stat-num {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--highlight-lime);
            letter-spacing: 0.02em;
        }
        /* ========== Section Titles ========== */
        .section-title {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 680px;
            line-height: 1.75;
        }
        /* ========== Intro Block ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: start;
        }
        @media (min-width: 768px) {
            .intro-grid {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 32px;
            }
        }
        .intro-text p {
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.8;
        }
        .intro-side-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        .intro-side-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .intro-side-card ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .intro-side-card li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
        }
        .intro-side-card li:last-child {
            border-bottom: none;
        }
        .intro-side-card li i {
            color: var(--highlight-lime);
            margin-top: 4px;
        }
        /* ========== Filter Controls ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 14px 16px;
            margin-bottom: 28px;
        }
        .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            margin-right: 4px;
        }
        .filter-chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }
        .filter-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
        }
        .sort-select-wrap {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sort-select-wrap label {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .sort-select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            color: var(--text-primary);
            padding: 6px 10px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .sort-select:hover,
        .sort-select:focus {
            border-color: var(--border-hover);
        }
        /* ========== Trend Cards List ========== */
        .trend-card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .trend-card-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .trend-card-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }
        }
        .trend-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .trend-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }
        .trend-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--panel-purple);
        }
        .trend-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .trend-card:hover .trend-card-img img {
            transform: scale(1.05);
        }
        .trend-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(23, 15, 42, 0.7) 100%);
        }
        .trend-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .trend-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(108, 60, 244, 0.15);
            border: 1px solid rgba(108, 60, 244, 0.35);
            color: #C6B3FF;
            font-size: 12px;
            font-weight: 500;
        }
        .badge-chip.lime {
            background: rgba(182, 243, 74, 0.12);
            border-color: rgba(182, 243, 74, 0.35);
            color: var(--highlight-lime);
        }
        .trend-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .trend-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .trend-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-subtle);
            padding-top: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .trend-card-footer .data-point {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 600;
            color: var(--highlight-lime);
        }
        .trend-card-footer .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* ========== Highlights ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .highlight-grid {
                grid-template-columns: 1fr 1fr 1fr 1fr;
            }
        }
        .highlight-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .highlight-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .highlight-card .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .highlight-card .value {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--highlight-lime);
            letter-spacing: 0.01em;
            margin-bottom: 6px;
        }
        .highlight-card .trend-note {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .trend-up {
            color: var(--highlight-lime);
        }
        .trend-down {
            color: #FF6B6B;
        }
        /* ========== Related Links ========== */
        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .related-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .related-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-decoration: none;
            transition: var(--transition-base);
            color: var(--text-primary);
        }
        .related-card:hover {
            border-color: var(--border-hover);
            background: var(--surface-card-hover);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .related-card .icon-box {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .related-card .related-info .related-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .related-card .related-info .related-sub {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
        }
        .accordion-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .accordion-item:hover {
            border-color: var(--border-hover);
        }
        .accordion-title {
            background: transparent;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 16px 20px;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            text-align: left;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .accordion-title:hover,
        .accordion-title:focus {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-primary);
        }
        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            font-size: 13px;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }
        .accordion-content {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            display: none;
            border-top: 1px solid var(--border-subtle);
            padding-top: 14px;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }
        /* ========== CTA ========== */
        .cta-panel {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            text-align: left;
            box-shadow: var(--shadow-card);
        }
        @media (min-width: 768px) {
            .cta-panel {
                padding: 40px 36px;
            }
        }
        .cta-panel h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .cta-panel p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            max-width: 620px;
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border-radius: 999px;
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 15px;
            transition: var(--transition-base);
        }
        .cta-input:focus {
            border-color: var(--border-hover);
            outline: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 8px 20px rgba(108, 60, 244, 0.35);
        }
        .btn-primary:hover {
            color: #fff;
            background: linear-gradient(135deg, #7C4CF5 0%, #31E4FD 100%);
            box-shadow: 0 12px 28px rgba(108, 60, 244, 0.45);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
        }
        .btn-secondary:hover {
            border-color: rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #120B22;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 32px;
            }
        }
        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--highlight-lime);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--highlight-lime);
        }
        /* ========== Utility ========== */
        .text-accent {
            color: var(--highlight-lime);
        }
        .text-gradient {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .btn-view-all {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .btn-view-all:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .btn-view-all i {
            font-size: 13px;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #170F2A;
            --panel-purple: #2A1B49;
            --surface-card: #23153D;
            --surface-card-hover: #2B1C4A;
            --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
            --brand-primary: #6C3CF4;
            --brand-accent: #21D4FD;
            --highlight-lime: #B6F34A;
            --text-primary: #F6F1FF;
            --text-secondary: #B9ACD6;
            --text-muted: #8F82B0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(108, 60, 244, 0.55);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", monospace;
            --section-gap-mobile: 40px;
            --section-gap-desktop: 72px;
            --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--highlight-lime);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--highlight-lime);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-cn);
            color: var(--text-primary);
            line-height: 1.3;
            margin-top: 0;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(28px, 4.5vw, 38px);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        h2 {
            font-size: clamp(22px, 3vw, 27px);
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }
        h3 {
            font-size: clamp(17px, 2.2vw, 20px);
            margin-bottom: 10px;
        }
        p {
            margin-top: 0;
            margin-bottom: 14px;
        }
        .section {
            padding: var(--section-gap-mobile) 0;
        }
        @media (min-width: 1024px) {
            .section {
                padding: var(--section-gap-desktop) 0;
            }
        }
        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(23, 15, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }
        .brand-logo .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .header-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .rss-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--highlight-lime);
            border-color: rgba(182, 243, 74, 0.3);
        }
        .chip-nav-wrapper {
            padding-bottom: 12px;
        }
        .chip-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }
        .chip-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
        }
        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.85;
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 16px 0 0;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .breadcrumb-bar a:hover {
            color: var(--highlight-lime);
        }
        .breadcrumb-bar .sep {
            color: var(--text-muted);
            opacity: 0.5;
        }
        .breadcrumb-bar .current {
            color: var(--text-secondary);
        }
        /* ========== Category Hero ========== */
        .cat-hero {
            position: relative;
            overflow: hidden;
            background: var(--panel-purple);
            border-radius: var(--radius-xl);
            margin: 16px 0 28px;
            padding: 36px 28px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }
        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/291aa81a0e053677.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 1;
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(23, 15, 42, 0.95) 25%, rgba(42, 27, 73, 0.7) 60%, rgba(108, 60, 244, 0.3) 100%);
            z-index: 2;
            border-radius: var(--radius-xl);
        }
        .cat-hero-content {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 768px) {
            .cat-hero {
                padding: 44px 36px;
            }
            .cat-hero-content {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 32px;
                align-items: center;
            }
        }
        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(182, 243, 74, 0.12);
            border: 1px solid rgba(182, 243, 74, 0.35);
            color: var(--highlight-lime);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .cat-hero h1 {
            font-size: clamp(26px, 4vw, 38px);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cat-hero h1 .accent-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .cat-hero-desc {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 20px;
        }
        .cat-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--brand-gradient);
            color: #fff;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(108, 60, 244, 0.45);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .btn-secondary:hover {
            border-color: var(--highlight-lime);
            color: var(--highlight-lime);
            transform: translateY(-2px);
        }
        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .quick-entry-card {
            background: rgba(23, 15, 42, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 16px 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .quick-entry-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .quick-entry-card .entry-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(108, 60, 244, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-accent);
            flex-shrink: 0;
        }
        .quick-entry-card .entry-text {
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 600;
            line-height: 1.3;
        }
        .quick-entry-card .entry-sub {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
            display: block;
            margin-top: 2px;
        }
        /* ========== 筛选 Chip ========== */
        .filter-section {
            margin: 20px 0 32px;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            font-weight: 500;
        }
        .filter-chip-row {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 4px;
        }
        .filter-chip-row::-webkit-scrollbar {
            display: none;
        }
        .filter-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
        }
        .filter-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }
        .filter-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(108, 60, 244, 0.3);
        }
        .filter-chip .fc-count {
            font-size: 11px;
            background: rgba(255, 255, 255, 0.15);
            padding: 1px 8px;
            border-radius: 999px;
            font-weight: 600;
        }
        /* ========== 情报卡片列表 ========== */
        .intel-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .intel-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .intel-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .intel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
            background: var(--surface-card-hover);
        }
        .intel-card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .intel-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .intel-card:hover .intel-card-img-wrap img {
            transform: scale(1.04);
        }
        .intel-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.02em;
        }
        .tag-hot {
            background: rgba(182, 243, 74, 0.2);
            color: var(--highlight-lime);
            border: 1px solid rgba(182, 243, 74, 0.4);
        }
        .tag-upcoming {
            background: rgba(108, 60, 244, 0.25);
            color: #a78bfa;
            border: 1px solid rgba(108, 60, 244, 0.45);
        }
        .tag-data {
            background: rgba(33, 212, 253, 0.18);
            color: var(--brand-accent);
            border: 1px solid rgba(33, 212, 253, 0.35);
        }
        .tag-version {
            background: rgba(255, 165, 0, 0.15);
            color: #ffb347;
            border: 1px solid rgba(255, 165, 0, 0.3);
        }
        .intel-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .intel-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .intel-card-summary {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .intel-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }
        .intel-card-meta .meta-date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .intel-card-meta .meta-data {
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 700;
            color: var(--highlight-lime);
        }
        /* ========== 数据亮点 ========== */
        .data-highlight-bar {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .data-highlight-bar {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .data-highlight-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 18px 16px;
            text-align: center;
            transition: var(--transition-base);
        }
        .data-highlight-item:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .dhi-number {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--highlight-lime);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .dhi-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .dhi-trend {
            font-size: 12px;
            margin-top: 4px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .trend-up {
            color: var(--highlight-lime);
        }
        .trend-down {
            color: #ff6b6b;
        }
        .trend-flat {
            color: var(--text-muted);
        }
        /* ========== 专题推荐 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 32px;
        }
        @media (min-width: 640px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .topic-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .topic-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
            background: var(--surface-card-hover);
        }
        .topic-card .topic-icon {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: rgba(108, 60, 244, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-accent);
        }
        .topic-card h3 {
            font-size: 16px;
            margin-bottom: 0;
        }
        .topic-card p {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 4px;
            flex-grow: 1;
        }
        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* ========== 相关文章 ========== */
        .related-links-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
            margin-bottom: 32px;
        }
        @media (min-width: 640px) {
            .related-links-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .related-link-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .related-link-item:hover {
            border-color: var(--border-hover);
            background: var(--surface-card-hover);
            transform: translateX(4px);
        }
        .related-link-item .rli-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(33, 212, 253, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
            color: var(--brand-accent);
        }
        .related-link-item .rli-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .related-link-item .rli-arrow {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 12px;
        }
        /* ========== FAQ ========== */
        .faq-accordion {
            margin-bottom: 32px;
        }
        .faq-accordion .accordion {
            background: transparent;
            border: none;
        }
        .faq-accordion .accordion-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            margin-bottom: 10px;
            overflow: hidden;
        }
        .faq-accordion .accordion-title {
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 20px;
            border: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .faq-accordion .accordion-title:hover {
            color: var(--highlight-lime);
        }
        .faq-accordion .accordion-title::before {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }
        .faq-accordion .is-active .accordion-title::before {
            transform: rotate(180deg);
            color: var(--highlight-lime);
        }
        .faq-accordion .accordion-content {
            background: transparent;
            border: none;
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }
        /* ========== CTA ========== */
        .cta-panel {
            background: var(--panel-purple);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(108, 60, 244, 0.15) 0%, transparent 50%);
            z-index: 1;
        }
        .cta-panel > * {
            position: relative;
            z-index: 2;
        }
        .cta-panel h2 {
            font-size: clamp(20px, 2.8vw, 26px);
            margin-bottom: 10px;
        }
        .cta-panel p {
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 20px;
            font-size: 14px;
        }
        .cta-panel .btn-primary {
            font-size: 15px;
            padding: 12px 28px;
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #0D081C;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.8;
            margin-top: 12px;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--highlight-lime);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            align-items: center;
            text-align: center;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                align-items: center;
                flex-wrap: wrap;
            }
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--highlight-lime);
        }
        /* ========== 查看更多按钮 ========== */
        .view-more-wrap {
            text-align: center;
            margin-top: 8px;
            margin-bottom: 24px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--brand-accent);
            color: var(--brand-accent);
            transform: translateY(-2px);
        }
        /* ========== 响应式微调 ========== */
        @media (max-width: 640px) {
            .header-brand-row {
                flex-wrap: wrap;
            }
            .rss-link span {
                display: none;
            }
            .cat-hero {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .cat-hero-overlay {
                border-radius: var(--radius-lg);
            }
            .quick-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .quick-entry-card {
                padding: 12px 10px;
            }
            .quick-entry-card .entry-text {
                font-size: 12px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .intel-card-body {
                padding: 14px 16px 16px;
            }
            .intel-card-title {
                font-size: 15px;
            }
            .intel-card-summary {
                font-size: 13px;
            }
            .data-highlight-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .dhi-number {
                font-size: 24px;
            }
            .cta-panel {
                padding: 24px 16px;
            }
            .footer-grid {
                gap: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #170F2A;
            --panel-purple: #2A1B49;
            --surface-card: #23153D;
            --surface-card-hover: #2B1C4A;
            --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
            --brand-primary: #6C3CF4;
            --brand-accent: #21D4FD;
            --highlight-lime: #B6F34A;
            --text-primary: #F6F1FF;
            --text-secondary: #B9ACD6;
            --text-muted: #8F82B0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(108, 60, 244, 0.55);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", monospace;
            --section-gap-mobile: 40px;
            --section-gap-desktop: 72px;
            --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--highlight-lime);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--highlight-lime);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(23, 15, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }

        .brand-logo .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .rss-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--highlight-lime);
            border-color: rgba(182, 243, 74, 0.35);
        }

        .rss-link i {
            font-size: 14px;
        }

        .chip-nav-wrapper {
            padding-bottom: 12px;
        }

        .chip-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }

        .chip-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .nav-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
        }

        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.85;
        }

        /* Page intro */
        .page-intro {
            padding: 56px 0 28px;
            background: linear-gradient(180deg, rgba(42, 27, 73, 0.35) 0%, transparent 100%);
        }

        .page-intro .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .page-intro .breadcrumb a {
            color: var(--text-secondary);
        }

        .page-intro .breadcrumb a:hover {
            color: var(--highlight-lime);
        }

        .page-intro .breadcrumb .separator {
            opacity: 0.5;
        }

        .page-intro h1 {
            font-size: clamp(28px, 4.8vw, 40px);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.015em;
            line-height: 1.3;
        }

        .page-intro .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 760px;
            margin-bottom: 12px;
            line-height: 1.8;
        }

        .page-intro .stats-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border-subtle);
        }

        .page-intro .stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .page-intro .stat-item .num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--highlight-lime);
            letter-spacing: 0.02em;
        }

        .page-intro .stat-item .unit {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Section spacing */
        .content-section {
            padding: var(--section-gap-mobile) 0;
        }

        .content-section.dark-panel {
            background: rgba(42, 27, 73, 0.45);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-head {
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: clamp(20px, 3vw, 28px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .section-head h2 .accent-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-head p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Filter chips */
        .filter-chips {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 4px 0;
            margin-bottom: 24px;
        }

        .filter-chips::-webkit-scrollbar {
            display: none;
        }

        .filter-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-chip:hover {
            background: rgba(255, 255, 255, 0.09);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .filter-chip.active {
            background: rgba(108, 60, 244, 0.18);
            border-color: rgba(108, 60, 244, 0.55);
            color: var(--brand-accent);
            font-weight: 600;
        }

        .filter-chip .chip-badge {
            font-family: var(--font-num);
            font-size: 12px;
            color: var(--highlight-lime);
            background: rgba(182, 243, 74, 0.12);
            padding: 0 6px;
            border-radius: 999px;
        }

        /* Strategy card list */
        .strategy-card-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .strategy-card {
            background: var(--surface-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .strategy-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .strategy-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 7;
            overflow: hidden;
        }

        .strategy-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .strategy-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .strategy-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(23, 15, 42, 0.75) 100%);
            pointer-events: none;
        }

        .strategy-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(23, 15, 42, 0.85);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--highlight-lime);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .strategy-card .card-meta-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--highlight-lime);
            background: rgba(23, 15, 42, 0.85);
            padding: 4px 10px;
            border-radius: 8px;
            border: 1px solid rgba(182, 243, 74, 0.35);
        }

        .strategy-card .card-body {
            padding: 18px 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .strategy-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            line-height: 1.5;
            letter-spacing: -0.01em;
        }

        .strategy-card .card-body h3 a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .strategy-card .card-body h3 a:hover {
            color: var(--brand-accent);
        }

        .strategy-card .card-body .excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .strategy-card .card-body .data-row {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--border-subtle);
        }

        .strategy-card .card-body .data-row .data-pt {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .strategy-card .card-body .data-row .data-pt .arrow-up {
            color: var(--highlight-lime);
            font-size: 12px;
        }

        .strategy-card .card-body .data-row .data-pt .arrow-down {
            color: #F55D4E;
            font-size: 12px;
        }

        /* Trend timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
            margin: 0;
            list-style: none;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(180deg, var(--brand-primary), var(--brand-accent));
            border-radius: 2px;
            opacity: 0.45;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 3px solid var(--brand-accent);
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.45);
        }

        .timeline-item .tl-date {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--highlight-lime);
            letter-spacing: 0.04em;
            display: block;
            margin-bottom: 4px;
        }

        .timeline-item .tl-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

        .timeline-item .tl-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* Version comparison table */
        .version-compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--surface-card);
        }

        .version-compare-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            margin: 0;
        }

        .version-compare-table thead th {
            background: rgba(42, 27, 73, 0.6);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
            white-space: nowrap;
        }

        .version-compare-table tbody td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-subtle);
            vertical-align: middle;
            white-space: nowrap;
        }

        .version-compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .version-compare-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .version-compare-table .trend-cell {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 16px;
        }

        .version-compare-table .trend-cell.up {
            color: var(--highlight-lime);
        }

        .version-compare-table .trend-cell.down {
            color: #F55D4E;
        }

        .version-compare-table .trend-cell.flat {
            color: var(--text-muted);
        }

        /* Recommendation cards */
        .recommend-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .recommend-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: var(--transition-base);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
            cursor: pointer;
        }

        .recommend-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .recommend-card .rec-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-accent);
            background: rgba(33, 212, 253, 0.1);
            border: 1px solid rgba(33, 212, 253, 0.25);
            border-radius: 999px;
            padding: 4px 10px;
            width: fit-content;
        }

        .recommend-card .rec-tag.hot {
            color: var(--highlight-lime);
            background: rgba(182, 243, 74, 0.1);
            border-color: rgba(182, 243, 74, 0.3);
        }

        .recommend-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0;
            line-height: 1.5;
        }

        .recommend-card .rec-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        .recommend-card .rec-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 8px;
            border-top: 1px solid var(--border-subtle);
        }

        /* FAQ section */
        .faq-section {
            padding: var(--section-gap-mobile) 0;
        }

        .accordion {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .accordion-item {
            border-bottom: 1px solid var(--border-subtle);
            background: var(--surface-card);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-title {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border: none;
            width: 100%;
            text-align: left;
        }

        .accordion-title:hover {
            background: rgba(255, 255, 255, 0.07);
        }

        .accordion-title .accordion-icon {
            font-size: 14px;
            color: var(--brand-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title .accordion-icon {
            transform: rotate(180deg);
        }

        .accordion-content {
            display: none;
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* CTA section */
        .cta-section {
            padding: var(--section-gap-mobile) 0;
        }

        .cta-box {
            background: var(--panel-purple);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: var(--brand-gradient);
            border-radius: 50%;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 0;
            line-height: 1.4;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 520px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .btn-primary:hover {
            box-shadow: 0 10px 28px rgba(108, 60, 244, 0.45);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            background: transparent;
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .btn-secondary:hover {
            border-color: var(--highlight-lime);
            color: var(--highlight-lime);
            background: rgba(182, 243, 74, 0.08);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: rgba(23, 15, 42, 0.9);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 16px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--highlight-lime);
        }

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--highlight-lime);
        }

        /* Responsive */
        @media (min-width: 640px) {
            .strategy-card-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-box {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 36px 32px;
            }

            .cta-box .cta-actions {
                flex-shrink: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            :root {
                --section-gap-mobile: 64px;
                --section-gap-desktop: 72px;
            }

            .content-section {
                padding: var(--section-gap-desktop) 0;
            }

            .strategy-card-list {
                grid-template-columns: repeat(3, 1fr);
            }

            .recommend-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 40px;
            }

            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }

            .page-intro {
                padding: 72px 0 36px;
            }
        }

        @media (max-width: 639px) {
            .strategy-card {
                border-radius: var(--radius-lg);
            }

            .strategy-card .card-body {
                padding: 16px 16px 18px;
            }

            .strategy-card .card-img-wrap {
                aspect-ratio: 16 / 8;
            }

            .strategy-card .card-meta-badge {
                font-size: 13px;
                padding: 3px 8px;
            }

            .cta-box {
                padding: 24px 20px;
            }

            .cta-box h2 {
                font-size: 19px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #170F2A;
            --panel-purple: #2A1B49;
            --surface-card: #23153D;
            --surface-card-hover: #2B1C4A;
            --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
            --brand-primary: #6C3CF4;
            --brand-accent: #21D4FD;
            --highlight-lime: #B6F34A;
            --text-primary: #F6F1FF;
            --text-secondary: #B9ACD6;
            --text-muted: #8F82B0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(108, 60, 244, 0.55);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", monospace;
            --section-gap-mobile: 40px;
            --section-gap-desktop: 72px;
            --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--highlight-lime);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--highlight-lime);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(23, 15, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }
        .brand-logo .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .header-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .rss-link:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--highlight-lime);
            border-color: var(--highlight-lime);
        }
        .chip-nav-wrapper {
            padding-bottom: 12px;
        }
        .chip-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }
        .chip-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .nav-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
        }
        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.85;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            padding: 18px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '/';
            color: var(--text-muted);
            font-weight: 400;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--highlight-lime);
        }
        .breadcrumb .current {
            color: var(--brand-accent);
            font-weight: 500;
        }

        /* ========== Page Intro ========== */
        .page-intro {
            padding: 40px 0 28px;
        }
        .page-intro h1 {
            font-size: clamp(28px, 4.5vw, 40px);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .page-intro h1 .accent-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .page-intro .lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .intro-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 18px;
        }
        .intro-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .intro-stat-item .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(108, 60, 244, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-accent);
            font-size: 15px;
            flex-shrink: 0;
        }
        .intro-stat-item strong {
            color: var(--highlight-lime);
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: var(--section-gap-mobile) 0;
        }
        @media (min-width: 1024px) {
            .section-block {
                padding: var(--section-gap-desktop) 0;
            }
        }
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-size: clamp(22px, 3.4vw, 30px);
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }
        .section-heading p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 680px;
            margin: 0;
            line-height: 1.8;
        }

        /* ========== Resource Cards ========== */
        .resource-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .resource-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }
        .resource-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .resource-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .resource-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            flex-shrink: 0;
        }
        .resource-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .resource-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .resource-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(23, 15, 42, 0.75);
            border: 1px solid rgba(182, 243, 74, 0.4);
            color: var(--highlight-lime);
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }
        .resource-card .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .resource-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.45;
        }
        .resource-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.7;
            flex: 1;
        }
        .resource-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }
        .resource-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .resource-card .card-meta .meta-left i {
            color: var(--brand-accent);
            font-size: 13px;
        }
        .resource-card .card-meta .download-count {
            font-family: var(--font-num);
            font-weight: 600;
            color: var(--text-secondary);
        }

        /* ========== Subscription Plans ========== */
        .plans-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .plans-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .plans-grid {
                gap: 24px;
            }
        }
        .plan-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .plan-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .plan-card.featured {
            background: linear-gradient(145deg, #2A1B49 0%, #23153D 60%);
            border: 1px solid rgba(108, 60, 244, 0.45);
            position: relative;
        }
        .plan-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 14px;
            right: 14px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
        }
        .plan-card .plan-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .plan-card .plan-price {
            font-size: 32px;
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--highlight-lime);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .plan-card .plan-price span {
            font-size: 14px;
            color: var(--text-secondary);
            font-family: var(--font-cn);
            font-weight: 400;
        }
        .plan-card .plan-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.7;
        }
        .plan-card .plan-features {
            list-style: none;
            margin: 0 0 22px;
            padding: 0;
            flex: 1;
        }
        .plan-card .plan-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            line-height: 1.6;
        }
        .plan-card .plan-features li i {
            color: var(--highlight-lime);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .plan-card .btn-plan {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition-base);
            cursor: pointer;
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            text-decoration: none;
        }
        .plan-card .btn-plan:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--brand-accent);
            color: var(--brand-accent);
        }
        .plan-card.featured .btn-plan {
            background: var(--brand-gradient);
            border: none;
            color: #fff;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.3);
        }
        .plan-card.featured .btn-plan:hover {
            box-shadow: 0 8px 24px rgba(108, 60, 244, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== Data Highlight ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        @media (min-width: 640px) {
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .highlight-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }
        .highlight-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .highlight-item:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .highlight-item .hl-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(108, 60, 244, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: var(--brand-accent);
            font-size: 20px;
        }
        .highlight-item .hl-number {
            font-size: 28px;
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--highlight-lime);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .highlight-item .hl-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== FAQ Accordion ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
        }
        .accordion-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.14);
        }
        .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition-base);
        }
        .accordion-title:hover {
            color: var(--brand-accent);
        }
        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--brand-accent);
        }
        .accordion-content {
            padding: 0 22px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }
        .accordion-content p {
            margin: 0;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-cta {
            background: linear-gradient(145deg, #2A1B49 0%, #23153D 50%, #1B102E 100%);
            border: 1px solid rgba(108, 60, 244, 0.3);
            border-radius: var(--radius-xl);
            padding: 40px 28px;
            box-shadow: var(--shadow-card);
        }
        @media (min-width: 768px) {
            .subscribe-cta {
                padding: 52px 44px;
            }
        }
        .subscribe-cta .cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            align-items: center;
        }
        @media (min-width: 768px) {
            .subscribe-cta .cta-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        .subscribe-cta h2 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .subscribe-cta p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .subscribe-form label {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
            display: block;
        }
        .subscribe-form input,
        .subscribe-form select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            width: 100%;
            transition: var(--transition-base);
            font-family: var(--font-cn);
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: var(--brand-accent);
            box-shadow: 0 0 0 2px rgba(33, 212, 253, 0.2);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form select option {
            background: var(--panel-purple);
            color: var(--text-primary);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(108, 60, 244, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(108, 60, 244, 0.45);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .btn-secondary:hover {
            border-color: var(--brand-accent);
            color: var(--brand-accent);
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== Related Links ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        @media (min-width: 640px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }
        @media (min-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(6, 1fr);
            }
        }
        .related-link-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 20px 14px;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            transition: var(--transition-base);
            text-decoration: none;
            text-align: center;
        }
        .related-link-card:hover {
            border-color: var(--border-hover);
            background: var(--surface-card-hover);
            transform: translateY(-3px);
        }
        .related-link-card i {
            font-size: 22px;
            color: var(--brand-accent);
        }
        .related-link-card span {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            line-height: 1.35;
        }
        .related-link-card:hover span {
            color: var(--text-primary);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #110B20;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 40px;
            }
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 380px;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--highlight-lime);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                flex-wrap: wrap;
            }
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--highlight-lime);
        }

        /* ========== Responsive fine-tune ========== */
        @media (max-width: 639px) {
            .header-brand-row {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rss-link span {
                display: none;
            }
            .page-intro h1 {
                font-size: 26px;
            }
            .resource-card .card-body {
                padding: 16px 18px;
            }
            .plan-card {
                padding: 22px 20px;
            }
            .subscribe-cta {
                padding: 30px 20px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .highlight-item {
                padding: 16px 12px;
            }
            .highlight-item .hl-number {
                font-size: 22px;
            }
        }
        @media (min-width: 640px) and (max-width: 1023px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plan-card.featured {
                grid-column: span 2;
            }
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category6 */
:root {
            --bg-deep: #170F2A;
            --panel-purple: #2A1B49;
            --surface-card: #23153D;
            --surface-card-hover: #2B1C4A;
            --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
            --brand-primary: #6C3CF4;
            --brand-accent: #21D4FD;
            --highlight-lime: #B6F34A;
            --text-primary: #F6F1FF;
            --text-secondary: #B9ACD6;
            --text-muted: #8F82B0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(108, 60, 244, 0.55);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", monospace;
            --section-gap-mobile: 40px;
            --section-gap-desktop: 72px;
            --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--highlight-lime);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--highlight-lime);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(23, 15, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }

        .brand-logo .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .rss-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .chip-nav-wrapper {
            padding-bottom: 12px;
        }

        .chip-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }

        .chip-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .nav-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
        }

        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.85;
        }

        /* ========== Page Hero (分类导引) ========== */
        .page-hero {
            position: relative;
            overflow: hidden;
            padding: 56px 0 40px;
            background: linear-gradient(180deg, var(--panel-purple) 0%, var(--bg-deep) 100%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .page-hero-inner {
            max-width: 760px;
        }

        .page-hero .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(182, 243, 74, 0.1);
            border: 1px solid rgba(182, 243, 74, 0.3);
            color: var(--highlight-lime);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: clamp(28px, 4.6vw, 40px);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .page-hero h1 .accent-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 680px;
            margin-bottom: 0;
        }

        /* ========== Section 通用 ========== */
        .section-block {
            padding: var(--section-gap-mobile) 0;
        }

        .section-heading {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-heading h2 {
            font-size: clamp(20px, 3vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.01em;
        }

        .section-heading h2 .accent-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .section-heading .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 筛选 Chips ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            margin-bottom: 28px;
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }

        .filter-chip:hover,
        .filter-chip:focus {
            background: rgba(255, 255, 255, 0.09);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .filter-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(108, 60, 244, 0.3);
        }

        .filter-chip .chip-count {
            font-family: var(--font-num);
            font-size: 12px;
            background: rgba(255, 255, 255, 0.15);
            padding: 1px 7px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .filter-chip.active .chip-count {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ========== 资源卡片列表 ========== */
        .resource-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .resource-card {
            display: flex;
            gap: 18px;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            transition: var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            align-items: flex-start;
        }

        .resource-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .resource-card .resource-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 60, 244, 0.28);
        }

        .resource-card .resource-body {
            flex: 1;
            min-width: 0;
        }

        .resource-card .resource-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }

        .resource-card .resource-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(108, 60, 244, 0.18);
            border: 1px solid rgba(108, 60, 244, 0.4);
            color: var(--brand-accent);
            font-size: 12px;
            font-weight: 600;
        }

        .resource-card .resource-tag.lime {
            background: rgba(182, 243, 74, 0.1);
            border-color: rgba(182, 243, 74, 0.3);
            color: var(--highlight-lime);
        }

        .resource-card .resource-date {
            font-family: var(--font-num);
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        .resource-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            letter-spacing: -0.01em;
        }

        .resource-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 10px;
            line-height: 1.7;
        }

        .resource-card .resource-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .resource-card .resource-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 数据亮点 ========== */
        .highlight-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .highlight-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            transition: var(--transition-base);
        }

        .highlight-item:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .highlight-item .highlight-icon {
            font-size: 18px;
            color: var(--highlight-lime);
            margin-bottom: 10px;
        }

        .highlight-item .highlight-num {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .highlight-item .highlight-num .unit {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 400;
        }

        .highlight-item .highlight-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ========== 资源分类说明 ========== */
        .category-explain {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .explain-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: var(--transition-base);
        }

        .explain-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
        }

        .explain-card .explain-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(108, 60, 244, 0.18);
            border: 1px solid rgba(108, 60, 244, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-accent);
            margin-bottom: 12px;
        }

        .explain-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .explain-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: rgba(42, 27, 73, 0.4);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
        }

        .faq-section .section-heading {
            margin-bottom: 16px;
        }

        .accordion {
            border: none;
            background: transparent;
        }

        .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 8px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.14);
        }

        .accordion-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 14px 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            transition: var(--transition-base);
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--highlight-lime);
            outline: none;
        }

        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--highlight-lime);
        }

        .accordion-content {
            display: none;
            padding: 0 16px 14px;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== 订阅 CTA ========== */
        .subscribe-cta {
            background: linear-gradient(135deg, rgba(108, 60, 244, 0.18) 0%, rgba(33, 212, 253, 0.08) 100%);
            border: 1px solid rgba(108, 60, 244, 0.35);
            border-radius: var(--radius-xl);
            padding: 28px 22px;
        }

        .subscribe-cta h2 {
            font-size: clamp(20px, 3vw, 26px);
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
        }

        .subscribe-cta p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 18px;
            max-width: 520px;
            line-height: 1.75;
        }

        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 460px;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 11px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-family: var(--font-cn);
            font-size: 14px;
            transition: var(--transition-base);
            outline: none;
            -webkit-appearance: none;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: rgba(108, 60, 244, 0.55);
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-gradient {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            border-radius: 999px;
            background: var(--brand-gradient);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 4px 14px rgba(108, 60, 244, 0.3);
            text-decoration: none;
            white-space: nowrap;
            -webkit-appearance: none;
        }

        .btn-gradient:hover,
        .btn-gradient:focus {
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(108, 60, 244, 0.45);
            color: #fff;
            outline: none;
        }

        /* ========== 相关文章 ========== */
        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .related-card {
            display: flex;
            gap: 14px;
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .related-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .related-card .related-img {
            flex-shrink: 0;
            width: 100px;
            min-height: 82px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .related-card .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .related-card .related-body {
            padding: 12px 14px 12px 0;
            min-width: 0;
        }

        .related-card .related-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--highlight-lime);
            background: rgba(182, 243, 74, 0.1);
            padding: 2px 8px;
            border-radius: 999px;
            margin-bottom: 6px;
        }

        .related-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.5;
        }

        .related-card .related-date {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-num);
        }

        /* ========== 查看更多链接 ========== */
        .view-more-wrap {
            text-align: center;
            margin-top: 18px;
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .view-more-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #130C22;
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 20px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--highlight-lime);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--highlight-lime);
        }

        .footer-bottom span {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px;
        }

        /* ========== 响应式 ========== */
        @media (min-width: 640px) {
            .resource-grid {
                grid-template-columns: 1fr 1fr;
            }
            .highlight-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-explain {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .faq-section {
                padding: 32px 28px;
            }
            .subscribe-cta {
                padding: 32px 28px;
            }
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 20px;
            }
        }

        @media (min-width: 1024px) {
            .section-block {
                padding: var(--section-gap-desktop) 0;
            }
            .resource-grid {
                gap: 20px;
            }
            .highlight-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
            .category-explain {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .resource-card {
                padding: 22px 24px;
            }
            .page-hero {
                padding: 72px 0 48px;
            }
            .filter-bar {
                margin-bottom: 32px;
            }
            .faq-section {
                padding: 36px 32px;
            }
            .subscribe-cta {
                padding: 36px 32px;
            }
        }

        @media (max-width: 520px) {
            .resource-card {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .resource-card .resource-icon {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            .highlight-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .highlight-item {
                padding: 16px 14px;
            }
            .highlight-item .highlight-num {
                font-size: 24px;
            }
            .related-card .related-img {
                width: 80px;
                min-height: 68px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-deep: #170F2A;
            --panel-purple: #2A1B49;
            --surface-card: #23153D;
            --surface-card-hover: #2B1C4A;
            --brand-gradient: linear-gradient(135deg, #6C3CF4 0%, #21D4FD 100%);
            --brand-primary: #6C3CF4;
            --brand-accent: #21D4FD;
            --highlight-lime: #B6F34A;
            --text-primary: #F6F1FF;
            --text-secondary: #B9ACD6;
            --text-muted: #8F82B0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(108, 60, 244, 0.55);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.38);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", monospace;
            --section-gap-mobile: 40px;
            --section-gap-desktop: 72px;
            --transition-base: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            min-height: 100vh;
        }

        body::before {
            content: '';
            position: fixed;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(108, 60, 244, 0.12) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

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

        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover,
        a:focus {
            color: var(--highlight-lime);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--highlight-lime);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 12px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(30px, 4.8vw, 42px);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(22px, 3.4vw, 30px);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(17px, 2.2vw, 20px);
        }

        p {
            margin: 0 0 16px;
            color: var(--text-secondary);
        }

        ul, ol {
            margin: 0 0 16px;
            padding-left: 20px;
            color: var(--text-secondary);
        }

        section {
            padding: var(--section-gap-mobile) 0;
        }

        .section-header {
            margin-bottom: 28px;
        }

        .section-header .section-eyebrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-header .section-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
        }

        .section-header p {
            margin-bottom: 0;
            font-size: 15px;
        }

        @media (min-width: 1024px) {
            section {
                padding: var(--section-gap-desktop) 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(23, 15, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }

        .brand-logo .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(182, 243, 74, 0.1);
            border: 1px solid rgba(182, 243, 74, 0.28);
            color: var(--highlight-lime);
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition-base);
        }

        .rss-link:hover {
            background: rgba(182, 243, 74, 0.2);
            box-shadow: 0 4px 16px rgba(182, 243, 74, 0.25);
            color: var(--highlight-lime);
        }

        .rss-link .fa-rss {
            font-size: 13px;
        }

        /* Chip Nav */
        .chip-nav-wrapper {
            padding-bottom: 12px;
        }

        .chip-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            padding: 2px 0;
        }

        .chip-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
        }

        .nav-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(108, 60, 244, 0.32);
        }

        .nav-chip .chip-icon {
            font-size: 13px;
            opacity: 0.85;
        }

        /* ========== Category Hero (no large image) ========== */
        .category-hero {
            background: var(--panel-purple);
            border-bottom: 1px solid var(--border-subtle);
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 60, 244, 0.2) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-title-wrap {
            margin-bottom: 22px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(182, 243, 74, 0.12);
            border: 1px solid rgba(182, 243, 74, 0.35);
            color: var(--highlight-lime);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            margin-bottom: 10px;
        }

        .category-hero .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 680px;
        }

        /* Status bar */
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
        }

        .status-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--highlight-lime);
            font-weight: 600;
        }

        .status-indicator .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--highlight-lime);
            box-shadow: 0 0 8px rgba(182, 243, 74, 0.6);
            animation: pulse 2.4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .status-text {
        .status-text {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .status-text .status-sep {
            color: var(--text-muted);
            font-size: 12px;
        }

        /* Icon matrix */
        .icon-matrix {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            max-width: 520px;
        }
        .icon-matrix-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 13px;
            transition: var(--transition-base);
        }
        .icon-matrix-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-hover);
            color: var(--text-primary);
        }
        .icon-matrix-item i {
            color: var(--brand-accent);
            font-size: 16px;
            width: 20px;
            text-align: center;
        }
        .icon-matrix-item .icon-label {
            font-weight: 500;
        }

        @media (min-width: 640px) {
            .icon-matrix {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .icon-matrix {
                grid-template-columns: repeat(4, 1fr);
                max-width: 760px;
            }
        }

        /* Filter chips */
        .filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .filter-chip {
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
            white-space: nowrap;
        }
        .filter-chip:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .filter-chip.active {
            background: var(--brand-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
        }
        .filter-chip .filter-icon {
            margin-right: 4px;
            font-size: 12px;
        }

        /* Player cards */
        .player-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        .player-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .player-card:hover {
            background: var(--surface-card-hover);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .player-card-top {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--panel-purple);
        }
        .player-card-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .player-card:hover .player-card-top img {
            transform: scale(1.05);
        }
        .player-card-top .position-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(23, 15, 42, 0.8);
            backdrop-filter: blur(6px);
            color: var(--highlight-lime);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            border: 1px solid rgba(182, 243, 74, 0.35);
        }
        .player-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .player-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        .player-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .player-score {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--highlight-lime);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .player-score .score-unit {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0;
        }
        .player-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .player-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .player-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.65;
        }
        .player-actions {
            margin-top: auto;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            border: 1px solid transparent;
            min-width: 100px;
        }
        .btn-primary {
            background: var(--brand-gradient);
            color: #fff;
            border: none;
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.35);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #7b4dfa 0%, #33dbfb 100%);
            box-shadow: 0 8px 20px rgba(108, 60, 244, 0.45);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
        }

        @media (min-width: 640px) {
            .player-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .player-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* Data highlight cards */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .highlight-card {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .highlight-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .highlight-card .highlight-num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--highlight-lime);
            line-height: 1;
            margin-bottom: 6px;
        }
        .highlight-card .highlight-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .highlight-card .highlight-trend {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .highlight-trend.up {
            color: var(--highlight-lime);
        }
        .highlight-trend.down {
            color: #ff6b6b;
        }

        @media (min-width: 640px) {
            .highlight-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* CTA banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(108, 60, 244, 0.18) 0%, rgba(33, 212, 253, 0.08) 100%);
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            text-align: center;
        }
        .cta-banner h2 {
            margin-bottom: 10px;
        }
        .cta-banner p {
            max-width: 560px;
            margin: 0 auto 20px;
        }
        .cta-banner .btn {
            min-width: 140px;
        }

        /* FAQ accordion override */
        .accordion {
            border: none;
            background: transparent;
        }
        .accordion-item {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }
        .accordion-title {
            font-size: 15px !important;
            font-weight: 600 !important;
            color: var(--text-primary) !important;
            background: transparent !important;
            border: none !important;
            padding: 18px 20px !important;
            line-height: 1.5 !important;
        }
        .accordion-title::before {
            color: var(--brand-accent) !important;
        }
        .accordion-content {
            padding: 0 20px 18px !important;
            background: transparent !important;
            border: none !important;
            color: var(--text-secondary) !important;
            font-size: 14px !important;
            line-height: 1.7 !important;
        }

        /* Footer */
        .site-footer {
            background: #120b22;
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 300px;
        }
        .footer-col h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--highlight-lime);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            font-size: 12px;
            color: var(--text-muted);
            flex-direction: column;
            text-align: center;
        }
        .footer-bottom span,
        .footer-bottom a {
            color: var(--text-muted);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--highlight-lime);
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        @media (max-width: 639px) {
            .header-brand-row {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rss-link span {
                display: none;
            }
            .player-card-body {
                padding: 14px 15px 15px;
            }
            .player-score {
                font-size: 24px;
            }
        }

        @media (max-width: 380px) {
            .chip-nav {
                gap: 6px;
            }
            .nav-chip {
                padding: 7px 12px;
                font-size: 13px;
            }
        }