/* roulang page: index */
:root {
      --primary: #0F3D2E;
      --primary-dark: #0A2B20;
      --accent: #F05A28;
      --accent-hover: #D94D1F;
      --accent-active: #B53F18;
      --bg: #F2F4F0;
      --surface: #FAFBF7;
      --dark: #1A1A1A;
      --text: #1E2B26;
      --text-secondary: #55635C;
      --text-muted: #7A8B82;
      --border: #DDE5DF;
      --border-light: #E8EFEA;
      --white: #FFFFFF;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 10px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
      --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
      --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-num: "Oswald", "Roboto", sans-serif;
      --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-cn);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      margin: 0;
      padding: 0;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover {
      color: var(--accent);
    }
    a:focus {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    img {
      max-width: 100%;
      display: block;
      height: auto;
    }

    button,
    input,
    select,
    textarea {
      font-family: var(--font-cn);
      font-size: 15px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    }

    .brand-row {
      background: var(--primary);
      color: #fff;
      padding: 14px 0;
    }
    .brand-row .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: nowrap;
      gap: 16px;
    }
    .brand-left {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      color: #fff;
      white-space: nowrap;
      line-height: 1.2;
    }
    .brand-logo:hover {
      color: #fff;
    }
    .brand-logo .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: var(--accent);
      color: #fff;
      font-size: 1.1rem;
      border-radius: 4px;
      flex-shrink: 0;
    }
    .brand-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      padding: 9px 18px;
      font-weight: 600;
      font-size: 0.92rem;
      cursor: pointer;
      transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
      white-space: nowrap;
    }
    .btn-nav-cta:hover {
      background: var(--accent-hover);
      color: #fff;
      box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
      transform: translateY(-1px);
    }
    .btn-nav-cta:active {
      background: var(--accent-active);
      transform: translateY(1px);
    }
    .nav-toggle {
      display: none;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.4);
      color: #fff;
      width: 40px;
      height: 36px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: 1.1rem;
      align-items: center;
      justify-content: center;
      transition: background var(--transition), border-color var(--transition);
    }
    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.7);
    }

    .channel-row {
      background: #fff;
      border-bottom: 1px solid var(--border);
      position: relative;
    }
    .channel-row .container {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: nowrap;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .channel-row .container::-webkit-scrollbar {
      display: none;
    }
    .channel-item {
      display: inline-flex;
      align-items: center;
      padding: 11px 16px 10px;
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--text-secondary);
      border-bottom: 2px solid transparent;
      white-space: nowrap;
      transition: color var(--transition), border-color var(--transition), background var(--transition);
      position: relative;
    }
    .channel-item:hover {
      color: var(--primary);
      background: var(--bg);
    }
    .channel-item.active {
      color: var(--primary);
      font-weight: 600;
      border-bottom-color: var(--accent);
    }
    .channel-item.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px 2px 0 0;
    }

    /* ===== Mobile Nav Panel ===== */
    .mobile-nav-panel {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--primary);
      z-index: 99;
      padding: 8px 20px 20px;
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
    }
    .mobile-nav-panel.open {
      display: block;
    }
    .mobile-nav-panel .mobile-channel-item {
      display: block;
      color: #fff;
      padding: 12px 4px;
      font-size: 1rem;
      font-weight: 500;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      transition: background var(--transition), padding-left var(--transition);
    }
    .mobile-nav-panel .mobile-channel-item:hover {
      background: rgba(255, 255, 255, 0.08);
      padding-left: 12px;
      color: #fff;
    }
    .mobile-nav-panel .mobile-channel-item.active {
      color: var(--accent);
      font-weight: 600;
    }

    /* ===== Hero ===== */
    .hero {
      background: var(--primary);
      color: #fff;
      padding: 64px 0 52px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      top: -40%;
      right: -10%;
      width: 60%;
      height: 180%;
      background: linear-gradient(135deg, rgba(240, 90, 40, 0.15) 0%, rgba(240, 90, 40, 0.04) 55%, transparent 80%);
      transform: skewX(-12deg);
      pointer-events: none;
    }
    .hero::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 6px;
      background: var(--accent);
      opacity: 0.8;
    }
    .hero .container {
      position: relative;
      z-index: 2;
    }
    .hero-grid {
      display: flex;
      gap: 36px;
      align-items: center;
      flex-wrap: wrap;
    }
    .hero-left {
      flex: 1 1 55%;
      min-width: 0;
    }
    .hero-right {
      flex: 1 1 38%;
      min-width: 280px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(240, 90, 40, 0.18);
      border: 1px solid rgba(240, 90, 40, 0.4);
      color: #FFD5C6;
      font-size: 0.82rem;
      font-weight: 500;
      padding: 4px 12px;
      border-radius: 100px;
      margin-bottom: 16px;
    }
    .hero h1 {
      font-size: clamp(1.85rem, 4.2vw, 2.55rem);
      font-weight: 700;
      line-height: 1.28;
      color: #fff;
      margin: 0 0 18px;
      letter-spacing: 0.01em;
    }
    .hero h1 .accent-text {
      color: var(--accent);
    }
    .hero-sub {
      font-size: 1.02rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.86);
      margin-bottom: 22px;
      max-width: 560px;
    }
    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: var(--radius-sm);
      padding: 12px 24px;
      font-weight: 600;
      font-size: 0.96rem;
      cursor: pointer;
      transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(240, 90, 40, 0.4);
    }
    .btn-primary:active {
      background: var(--accent-active);
      transform: translateY(1px);
    }
    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: var(--radius-sm);
      padding: 12px 22px;
      font-weight: 500;
      font-size: 0.96rem;
      cursor: pointer;
      transition: background var(--transition), border-color var(--transition), color var(--transition);
    }
    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      color: #fff;
    }
    .btn-primary:focus,
    .btn-outline-light:focus {
      outline: 2px solid #fff;
      outline-offset: 2px;
    }

    .hero-focus-card {
      background: #fff;
      color: var(--text);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .focus-card-header {
      background: var(--primary-dark);
      color: #fff;
      padding: 10px 16px;
      font-weight: 600;
      font-size: 0.85rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .focus-card-header .live-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: #EF4444;
      border-radius: 50%;
      animation: pulse-dot 1.5s ease-in-out infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.35; }
    }
    .focus-card-body {
      padding: 14px 16px;
    }
    .focus-match {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 0;
      border-bottom: 1px solid var(--border-light);
      gap: 8px;
    }
    .focus-match:last-child {
      border-bottom: none;
    }
    .focus-team {
      font-weight: 600;
      font-size: 0.88rem;
    }
    .focus-score {
      font-family: var(--font-num);
      font-weight: 700;
      font-size: 1.1rem;
      color: var(--accent);
      background: #FFF3EE;
      padding: 2px 10px;
      border-radius: 4px;
      min-width: 52px;
      text-align: center;
    }
    .focus-time {
      font-size: 0.75rem;
      color: var(--text-muted);
      text-align: center;
    }
    .hero-metrics {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 24px;
    }
    .hero-metric {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-sm);
      padding: 8px 16px;
      font-size: 0.8rem;
      color: rgba(255, 255, 255, 0.85);
      display: flex;
      align-items: center;
      gap: 8px;
      transition: background var(--transition);
    }
    .hero-metric:hover {
      background: rgba(255, 255, 255, 0.15);
    }
    .hero-metric .metric-num {
      font-family: var(--font-num);
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--accent);
    }

    /* ===== Common Section Styles ===== */
    .section {
      padding: 56px 0;
      position: relative;
    }
    .section-alt {
      background: var(--surface);
    }
    .section-dark {
      background: var(--primary);
      color: #fff;
    }
    .section-title {
      font-size: clamp(1.35rem, 2.6vw, 1.75rem);
      font-weight: 700;
      color: var(--primary);
      margin: 0 0 10px;
      line-height: 1.4;
      position: relative;
      padding-left: 14px;
    }
    .section-title::before {
      content: "";
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      background: var(--accent);
      border-radius: 2px;
    }
    .section-dark .section-title {
      color: #fff;
    }
    .section-sub {
      font-size: 0.98rem;
      color: var(--text-secondary);
      margin-bottom: 32px;
      max-width: 720px;
      line-height: 1.75;
    }
    .section-dark .section-sub {
      color: rgba(255, 255, 255, 0.78);
    }

    /* ===== Service Matrix ===== */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .service-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #CBD8D1;
    }
    .service-icon {
      width: 44px;
      height: 44px;
      background: var(--bg);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      color: var(--accent);
      margin-bottom: 4px;
    }
    .service-card h3 {
      font-size: 1.08rem;
      font-weight: 600;
      color: var(--text);
      margin: 0;
      line-height: 1.4;
    }
    .service-card p {
      margin: 0;
      font-size: 0.87rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* ===== Stats Band ===== */
    .stats-band {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #165A44 100%);
      color: #fff;
      padding: 40px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .stat-item {
      text-align: center;
      padding: 10px;
    }
    .stat-number {
      font-family: var(--font-num);
      font-size: clamp(2rem, 4vw, 2.6rem);
      font-weight: 700;
      color: var(--accent);
      line-height: 1.2;
      letter-spacing: 0.02em;
    }
    .stat-number .unit {
      font-size: 0.75em;
      margin-left: 2px;
    }
    .stat-label {
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.78);
      margin-top: 4px;
    }

    /* ===== Process ===== */
    .process-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .process-step {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      position: relative;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .process-step:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }
    .process-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      background: var(--accent);
      color: #fff;
      font-family: var(--font-num);
      font-weight: 700;
      font-size: 1.1rem;
      border-radius: 50%;
      margin-bottom: 12px;
    }
    .process-step h3 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 6px;
    }
    .process-step p {
      font-size: 0.83rem;
      color: var(--text-secondary);
      margin: 0;
      line-height: 1.65;
    }

    /* ===== Case Wall ===== */
    .case-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .case-img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .case-body {
      padding: 18px 20px 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .case-body h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 8px;
    }
    .case-body p {
      font-size: 0.87rem;
      color: var(--text-secondary);
      margin: 0 0 14px;
      line-height: 1.7;
      flex: 1;
    }
    .case-link {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: gap var(--transition);
    }
    .case-link:hover {
      gap: 8px;
    }

    /* ===== Brand Intro ===== */
    .brand-intro {
      background: var(--surface);
    }
    .brand-intro-grid {
      display: flex;
      gap: 32px;
      align-items: center;
      flex-wrap: wrap;
    }
    .brand-intro-text {
      flex: 1 1 55%;
      min-width: 0;
    }
    .brand-intro-text .section-title {
      margin-bottom: 16px;
    }
    .brand-intro-text p {
      font-size: 0.96rem;
      color: var(--text-secondary);
      line-height: 1.85;
      margin-bottom: 12px;
    }
    .brand-intro-img {
      flex: 1 1 38%;
      min-width: 280px;
    }
    .brand-intro-img img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    /* ===== Info List ===== */
    .info-grid {
      display: flex;
      gap: 28px;
      flex-wrap: wrap;
    }
    .info-list {
      flex: 1 1 60%;
      min-width: 0;
    }
    .info-item {
      display: flex;
      gap: 14px;
      padding: 14px 0;
      border-bottom: 1px solid var(--border-light);
      align-items: flex-start;
    }
    .info-item:last-child {
      border-bottom: none;
    }
    .info-thumb {
      flex-shrink: 0;
    }
    .info-thumb img {
      width: 96px;
      height: 68px;
      object-fit: cover;
      border-radius: var(--radius-sm);
    }
    .info-content h4 {
      font-size: 0.94rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 4px;
      line-height: 1.5;
    }
    .info-content h4 a {
      color: var(--text);
      transition: color var(--transition);
    }
    .info-content h4 a:hover {
      color: var(--accent);
    }
    .info-meta {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }
    .info-content p {
      font-size: 0.84rem;
      color: var(--text-secondary);
      margin: 0;
      line-height: 1.6;
    }
    .tag-cloud {
      flex: 1 1 30%;
      min-width: 240px;
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      padding: 18px 20px;
      box-shadow: var(--shadow-sm);
      align-self: flex-start;
    }
    .tag-cloud h3 {
      font-size: 0.98rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 12px;
    }
    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .tag-item {
      background: var(--bg);
      color: var(--text-secondary);
      padding: 6px 14px;
      border-radius: 100px;
      font-size: 0.82rem;
      transition: background var(--transition), color var(--transition), transform var(--transition);
    }
    .tag-item:hover {
      background: var(--accent);
      color: #fff;
      transform: translateY(-1px);
    }

    /* ===== Partners ===== */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .partner-item {
      background: #EEF2EE;
      border: 1px dashed #CBD8D1;
      border-radius: var(--radius-sm);
      padding: 20px 14px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      transition: background var(--transition);
    }
    .partner-item:hover {
      background: #E6EDE7;
    }
    .partner-item i {
      font-size: 1.4rem;
      color: #A0B0A7;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg);
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
      overflow: hidden;
      transition: border-color var(--transition);
    }
    .faq-item:hover {
      border-color: #CBD8D1;
    }
    .faq-question {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 16px;
      cursor: pointer;
      font-weight: 600;
      font-size: 0.94rem;
      color: var(--text);
      user-select: none;
      transition: background var(--transition);
    }
    .faq-question:hover {
      background: var(--bg);
    }
    .faq-question .q-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      background: var(--accent);
      color: #fff;
      font-size: 0.8rem;
      font-weight: 700;
      border-radius: 4px;
      flex-shrink: 0;
    }
    .faq-question .faq-icon {
      margin-left: auto;
      font-size: 0.8rem;
      color: var(--text-muted);
      transition: transform var(--transition);
    }
    .faq-item.active .faq-question .faq-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      display: none;
      padding: 0 16px 16px 50px;
      font-size: 0.88rem;
      color: var(--text-secondary);
      line-height: 1.75;
    }
    .faq-item.active .faq-answer {
      display: block;
      border-left: 3px solid var(--accent);
      margin-left: 16px;
      padding-left: 16px;
      padding-top: 4px;
    }

    /* ===== Assurance ===== */
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .assurance-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 18px 16px;
      box-shadow: var(--shadow-sm);
    }
    .assurance-item i {
      font-size: 1.2rem;
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 2px;
    }
    .assurance-item p {
      font-size: 0.86rem;
      color: var(--text-secondary);
      margin: 0;
      line-height: 1.6;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--primary);
      color: #fff;
      padding: 56px 0;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      bottom: -60%;
      left: -10%;
      width: 50%;
      height: 200%;
      background: rgba(240, 90, 40, 0.1);
      transform: rotate(18deg);
      pointer-events: none;
    }
    .cta-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      position: relative;
      z-index: 2;
    }
    .cta-text h2 {
      font-size: clamp(1.3rem, 2.5vw, 1.7rem);
      font-weight: 700;
      color: #fff;
      margin: 0 0 8px;
    }
    .cta-text p {
      font-size: 0.94rem;
      color: rgba(255, 255, 255, 0.82);
      margin: 0;
      line-height: 1.7;
      max-width: 560px;
    }
    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* ===== Quick Entrances ===== */
    .quick-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .quick-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .quick-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .quick-card img {
      width: 100%;
      height: 130px;
      object-fit: cover;
    }
    .quick-body {
      padding: 14px 16px 16px;
    }
    .quick-body h3 {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 4px;
    }
    .quick-body p {
      font-size: 0.82rem;
      color: var(--text-secondary);
      margin: 0;
      line-height: 1.6;
    }
    .quick-body a {
      display: inline-flex;
      font-size: 0.82rem;
      font-weight: 500;
      color: var(--accent);
      margin-top: 6px;
      align-items: center;
      gap: 4px;
    }

    /* ===== Mobile App ===== */
    .mobile-app-grid {
      display: flex;
      gap: 28px;
      align-items: center;
      flex-wrap: wrap;
    }
    .mobile-app-text {
      flex: 1 1 55%;
      min-width: 0;
    }
    .mobile-app-text .section-title {
      margin-bottom: 12px;
    }
    .mobile-app-text p {
      font-size: 0.94rem;
      color: rgba(255, 255, 255, 0.8);
      line-height: 1.75;
      margin-bottom: 16px;
    }
    .mobile-app-img {
      flex: 1 1 35%;
      min-width: 240px;
    }
    .mobile-app-img img {
      border-radius: var(--radius-md);
      height: 200px;
      width: 100%;
      object-fit: cover;
      box-shadow: var(--shadow-lg);
    }
    .app-badge-row {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .app-badge {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: var(--radius-sm);
      padding: 8px 16px;
      font-size: 0.82rem;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: background var(--transition);
    }
    .app-badge:hover {
      background: rgba(255, 255, 255, 0.18);
      color: #fff;
    }

    /* ===== Site Info / Copyright Section ===== */
    .site-info-section {
      background: var(--surface);
      padding: 40px 0;
    }
    .site-info-grid {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
      align-items: flex-start;
    }
    .site-info-main {
      flex: 1 1 45%;
      min-width: 260px;
    }
    .site-info-main h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 10px;
    }
    .site-info-main p {
      font-size: 0.84rem;
      color: var(--text-secondary);
      line-height: 1.65;
      margin: 0;
    }
    .site-info-links {
      flex: 1 1 45%;
      min-width: 260px;
    }
    .site-info-links h4 {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 10px;
    }
    .site-info-links ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }
    .site-info-links ul a {
      font-size: 0.84rem;
      color: var(--text-secondary);
      transition: color var(--transition);
    }
    .site-info-links ul a:hover {
      color: var(--accent);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--primary-dark);
      color: #fff;
      padding: 40px 0 20px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 28px;
      margin-bottom: 28px;
    }
    .footer-brand p {
      font-size: 0.84rem;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.7;
      margin: 10px 0 0;
    }
    .footer-col h4 {
      font-size: 0.95rem;
      font-weight: 600;
      color: #fff;
      margin: 0 0 12px;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 8px;
    }
    .footer-col ul a {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.84rem;
      transition: color var(--transition);
    }
    .footer-col ul a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 16px;
      text-align: center;
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.55);
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, 0.7);
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .brand-actions .btn-nav-cta {
        display: none;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .channel-row {
        display: none;
      }
      .mobile-nav-panel.open {
        display: block;
      }
      .hero-grid {
        flex-direction: column;
        gap: 24px;
      }
      .hero-right {
        width: 100%;
        min-width: 0;
      }
      .hero-sub {
        font-size: 0.94rem;
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .case-card .case-img {
        height: 140px;
      }
      .brand-intro-grid {
        flex-direction: column;
      }
      .info-grid {
        flex-direction: column;
      }
      .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .quick-grid {
        grid-template-columns: 1fr;
      }
      .cta-container {
        flex-direction: column;
        text-align: center;
      }
      .cta-actions {
        justify-content: center;
      }
      .mobile-app-grid {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
    }

    @media (max-width: 520px) {
      .section {
        padding: 40px 0;
      }
      .hero {
        padding: 44px 0 40px;
      }
      .hero h1 {
        font-size: 1.6rem;
      }
      .hero-metrics {
        flex-direction: column;
        gap: 8px;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .process-container {
        grid-template-columns: 1fr;
      }
      .assurance-grid {
        grid-template-columns: 1fr;
      }
      .partner-grid {
        grid-template-columns: 1fr;
      }
      .site-info-links ul {
        grid-template-columns: 1fr;
      }
      .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
      }
      .hero-actions .btn-primary,
      .hero-actions .btn-outline-light {
        width: 100%;
        justify-content: center;
      }
      .focus-match {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
    }

/* roulang page: category1 */
:root {
            --primary: #0F3D2E;
            --primary-dark: #0A2B20;
            --accent: #F05A28;
            --accent-hover: #D94D1F;
            --accent-active: #B53F18;
            --bg: #F2F4F0;
            --surface: #FAFBF7;
            --dark: #1A1A1A;
            --text: #1E2B26;
            --text-secondary: #55635C;
            --text-muted: #7A8B82;
            --border: #DDE5DF;
            --border-light: #E8EFEA;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Roboto", sans-serif;
            --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .brand-row {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
        }
        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }

        .brand-left {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            border-radius: 4px;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row .container::-webkit-scrollbar {
            display: none;
        }

        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 11px 16px 10px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            position: relative;
        }
        .channel-item:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .channel-item.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .channel-item.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }

        /* Mobile Nav Panel */
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary);
            z-index: 99;
            padding: 8px 20px 20px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .mobile-channel-item {
            display: block;
            color: #fff;
            padding: 12px 4px;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), padding-left var(--transition);
        }
        .mobile-nav-panel .mobile-channel-item:hover {
            background: rgba(255, 255, 255, 0.08);
            padding-left: 12px;
            color: #fff;
        }
        .mobile-nav-panel .mobile-channel-item.active {
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Section Base ===== */
        section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
            line-height: 1.4;
            letter-spacing: 0.01em;
            position: relative;
            padding-left: 14px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            max-width: 640px;
            line-height: 1.75;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Category Hero ===== */
        .category-hero {
            background: var(--primary);
            color: #fff;
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.22) 0%, transparent 68%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--accent) 0%, rgba(240, 90, 40, 0.4) 40%, transparent 80%);
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .category-hero-text {
            flex: 1 1 55%;
            min-width: 0;
        }
        .category-hero-text h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }
        .category-hero-text .hero-sub {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 28px;
            line-height: 1.8;
            max-width: 560px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.88rem;
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .hero-badge .num {
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
        }
        .category-hero-image {
            flex: 0 0 38%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--primary-dark);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .category-hero-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 26px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            margin-right: 12px;
            white-space: nowrap;
        }
        .btn-hero-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 90, 40, 0.4);
        }
        .btn-hero-primary:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Category Entry Cards ===== */
        .entry-card-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .entry-card {
            flex: 1 1 280px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .entry-card .entry-card-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .entry-card .entry-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .entry-card:hover .entry-card-img img {
            transform: scale(1.04);
        }
        .entry-card .entry-card-body {
            padding: 18px 20px 20px;
        }
        .entry-card .entry-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .entry-card .entry-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.7;
        }
        .entry-card .entry-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .entry-card .entry-link:hover {
            color: var(--accent);
        }

        /* ===== Match List ===== */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .match-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .match-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .match-cover {
            flex: 0 0 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }
        .match-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .match-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .match-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .match-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
            line-height: 1.5;
        }
        .match-info .match-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0 0 10px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .match-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: auto;
        }
        .match-meta .meta-date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .match-meta .meta-link {
            margin-left: auto;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .match-meta .meta-link:hover {
            color: var(--accent);
        }

        /* ===== More Link ===== */
        .more-link-wrap {
            text-align: center;
            padding: 12px 0 0;
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-more:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(15, 61, 46, 0.3);
            transform: translateY(-2px);
        }
        .btn-more:active {
            background: var(--primary-dark);
            transform: translateY(1px);
        }

        /* ===== Data Support ===== */
        .data-support-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .data-support-card {
            flex: 1 1 280px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .data-support-card:hover {
            box-shadow: var(--shadow-md);
        }
        .data-support-card .ds-icon {
            width: 44px;
            height: 44px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .data-support-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .data-support-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Topic Scene ===== */
        .topic-scene-card {
            display: flex;
            flex-wrap: wrap;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .topic-scene-img {
            flex: 1 1 45%;
            min-height: 280px;
        }
        .topic-scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-scene-body {
            flex: 1 1 55%;
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .topic-scene-body .topic-tag {
            display: inline-block;
            align-self: flex-start;
            background: rgba(240, 90, 40, 0.1);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .topic-scene-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
        }
        .topic-scene-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0 0 18px;
            line-height: 1.8;
        }
        .btn-topic {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            align-self: flex-start;
            transition: background var(--transition), transform var(--transition);
        }
        .btn-topic:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            width: 100%;
            padding: 18px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg);
        }
        .faq-question .faq-q-mark {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px 60px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.82);
            padding: 48px 0 24px;
        }
        .site-footer .footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            flex: 1 1 260px;
            min-width: 0;
        }
        .site-footer .footer-brand .brand-logo {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
        }
        .site-footer .footer-col {
            flex: 1 1 160px;
            min-width: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-row {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.84rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--text-muted);
        }
        .breadcrumb .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-hero-grid {
                gap: 32px;
            }
            .category-hero-text h1 {
                font-size: 2rem;
            }
            .category-hero-image img {
                height: 240px;
            }
        }

        @media (max-width: 768px) {
            .brand-row .container {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .brand-actions .btn-nav-cta {
                display: none;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
            .category-hero-grid {
                flex-direction: column;
                gap: 28px;
            }
            .category-hero-text h1 {
                font-size: 1.6rem;
            }
            .category-hero-text .hero-sub {
                font-size: 0.95rem;
            }
            .category-hero-image {
                flex-basis: auto;
                width: 100%;
            }
            .category-hero-image img {
                height: 200px;
            }
            .match-cover {
                flex-basis: 120px;
                height: 90px;
            }
            .topic-scene-card {
                flex-direction: column;
            }
            .topic-scene-img {
                min-height: 200px;
            }
            .topic-scene-body {
                padding: 24px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            section {
                padding: 40px 0;
            }
            .faq-answer {
                padding-left: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero-text h1 {
                font-size: 1.4rem;
            }
            .hero-badges {
                flex-direction: column;
                gap: 8px;
            }
            .hero-badge {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .match-item {
                flex-direction: column;
                gap: 12px;
            }
            .match-cover {
                flex-basis: auto;
                width: 100%;
                height: 140px;
            }
            .match-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .match-meta .meta-link {
                margin-left: 0;
            }
            .entry-card {
                flex-basis: 100%;
            }
            .data-support-card {
                flex-basis: 100%;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                display: flex;
                width: 100%;
                justify-content: center;
                margin-right: 0;
                margin-bottom: 10px;
            }
            .site-footer .footer-grid {
                flex-direction: column;
                gap: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F3D2E;
            --primary-dark: #0A2B20;
            --accent: #F05A28;
            --accent-hover: #D94D1F;
            --accent-active: #B53F18;
            --bg: #F2F4F0;
            --surface: #FAFBF7;
            --dark: #1A1A1A;
            --text: #1E2B26;
            --text-secondary: #55635C;
            --text-muted: #7A8B82;
            --border: #DDE5DF;
            --border-light: #E8EFEA;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Roboto", sans-serif;
            --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
        }
        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-left {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 11px 16px 10px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            position: relative;
        }
        .channel-item:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .channel-item.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .channel-item.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary);
            z-index: 99;
            padding: 8px 20px 20px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .mobile-channel-item {
            display: block;
            color: #fff;
            padding: 12px 4px;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), padding-left var(--transition);
        }
        .mobile-nav-panel .mobile-channel-item:hover {
            background: rgba(255, 255, 255, 0.08);
            padding-left: 12px;
            color: #fff;
        }
        .mobile-nav-panel .mobile-channel-item.active {
            color: #fff;
            font-weight: 700;
            border-left: 3px solid var(--accent);
            padding-left: 16px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: var(--primary-dark);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 180%;
            background: linear-gradient(145deg, transparent 30%, rgba(240, 90, 40, 0.12) 50%, transparent 70%);
            transform: rotate(-12deg);
            pointer-events: none;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 45%;
            height: 120%;
            background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.04) 60%, transparent 75%);
            transform: rotate(8deg);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
        }
        .page-hero-text {
            flex: 1 1 480px;
        }
        .page-hero-text h1 {
            font-size: 2.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }
        .page-hero-text h1 .accent-text {
            color: var(--accent);
        }
        .page-hero-text .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 22px;
            line-height: 1.8;
            max-width: 580px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .hero-tag i {
            margin-right: 5px;
            color: var(--accent);
            font-size: 0.75rem;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 13px 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-primary-lg:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(240, 90, 40, 0.4);
            transform: translateY(-2px);
        }
        .btn-primary-lg:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.45);
            border-radius: var(--radius-md);
            padding: 13px 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition), border-color var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .btn-outline-lg:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .page-hero-img {
            flex: 0 0 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            min-height: 260px;
        }
        .page-hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            min-height: 260px;
        }
        .hero-img-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(15, 61, 46, 0.92);
            color: #fff;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.02em;
        }
        .hero-img-badge i {
            color: var(--accent);
        }

        /* ===== Section Base ===== */
        .section {
            padding: 56px 0;
        }
        .section-bg-alt {
            background: var(--surface);
        }
        .section-bg-dark {
            background: var(--primary-dark);
            color: #fff;
        }
        .section-header {
            margin-bottom: 28px;
        }
        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.35;
            letter-spacing: 0.01em;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .section-divider {
            width: 52px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 12px;
        }
        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 8px 0 0;
            max-width: 720px;
        }
        .section-header.section-header-center {
            text-align: center;
        }
        .section-header.section-header-center .section-divider {
            margin-left: auto;
            margin-right: auto;
        }
        .section-header.section-header-center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Entry Cards ===== */
        .entry-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .entry-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .entry-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .entry-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .entry-card:hover .entry-card-img img {
            transform: scale(1.05);
        }
        .entry-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .entry-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .entry-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            flex: 1;
        }
        .entry-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
            transition: color var(--transition);
        }
        .entry-card-link:hover {
            color: var(--accent);
        }
        .entry-card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }
        .entry-card-link:hover i {
            transform: translateX(3px);
        }

        /* ===== Data List Cards ===== */
        .data-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .data-list-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: row;
            gap: 18px;
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .data-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-list-img {
            flex: 0 0 160px;
            min-height: 100%;
            overflow: hidden;
            align-self: stretch;
        }
        .data-list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            min-height: 130px;
        }
        .data-list-content {
            padding: 16px 16px 16px 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .data-list-category {
            display: inline-block;
            font-size: 0.74rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 4px;
        }
        .data-list-content h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            line-height: 1.45;
            letter-spacing: 0.01em;
        }
        .data-list-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0 0 10px;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .data-list-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .data-list-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .data-list-meta .badge-tag {
            background: var(--bg);
            border-radius: 20px;
            padding: 3px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .data-list-arrow {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 1.1rem;
            opacity: 0;
            transition: opacity var(--transition), right var(--transition);
        }
        .data-list-item:hover .data-list-arrow {
            opacity: 1;
            right: 12px;
        }

        /* ===== Load More ===== */
        .load-more-wrap {
            text-align: center;
            padding: 16px 0 8px;
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 12px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .btn-load-more:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-load-more:active {
            transform: translateY(1px);
        }

        /* ===== Support Cards ===== */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 20px;
        }
        .support-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px 22px;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
            text-align: left;
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .support-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--bg);
            border-radius: var(--radius-md);
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .support-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .support-card .support-num {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
            letter-spacing: 0.02em;
        }
        .support-card .support-unit {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: 4px;
        }
        .support-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 8px 0 0;
            line-height: 1.7;
        }

        /* ===== Feature Panel ===== */
        .feature-panel {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
        }
        .feature-panel-img {
            flex: 1 1 380px;
            min-height: 260px;
            overflow: hidden;
        }
        .feature-panel-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .feature-panel-content {
            flex: 1 1 400px;
            padding: 32px 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-panel-content .feature-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.07em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .feature-panel-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .feature-panel-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0 0 16px;
            line-height: 1.8;
        }
        .feature-panel-content .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
        }
        .feature-panel-content .btn-text-link:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .feature-panel-content .btn-text-link i {
            font-size: 0.78rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            transition: background var(--transition), color var(--transition);
        }
        .faq-question:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg);
            border-radius: 50%;
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 700;
        }
        .faq-question .faq-toggle {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 18px 60px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #fff;
            padding: 52px 0 24px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin: 12px 0 0;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.86rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-hero-text h1 {
                font-size: 1.7rem;
            }
            .page-hero-img {
                flex: 0 0 300px;
                min-height: 220px;
            }
            .page-hero-img img {
                min-height: 220px;
            }
            .data-list-img {
                flex: 0 0 130px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }
            .btn-nav-cta {
                display: none;
            }
            .channel-row .container {
                overflow-x: auto;
            }
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero .container {
                flex-direction: column;
                gap: 24px;
            }
            .page-hero-text h1 {
                font-size: 1.55rem;
            }
            .page-hero-img {
                flex: 0 0 auto;
                width: 100%;
                min-height: 200px;
            }
            .page-hero-img img {
                min-height: 200px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .data-list-item {
                flex-direction: column;
                gap: 0;
            }
            .data-list-img {
                flex: 0 0 180px;
                width: 100%;
                min-height: 180px;
            }
            .data-list-img img {
                min-height: 180px;
                width: 100%;
            }
            .data-list-content {
                padding: 14px 16px 16px;
            }
            .data-list-arrow {
                opacity: 1;
                right: 16px;
                top: auto;
                bottom: 16px;
            }
            .feature-panel {
                flex-direction: column;
            }
            .feature-panel-img {
                flex: 0 0 200px;
                min-height: 200px;
            }
            .feature-panel-content {
                padding: 24px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .page-hero-text h1 {
                font-size: 1.35rem;
            }
            .hero-cta-group .btn-primary-lg,
            .hero-cta-group .btn-outline-lg {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .entry-card-grid,
            .support-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px 40px;
                font-size: 0.82rem;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0F3D2E;
            --primary-dark: #0A2B20;
            --accent: #F05A28;
            --accent-hover: #D94D1F;
            --accent-active: #B53F18;
            --bg: #F2F4F0;
            --surface: #FAFBF7;
            --dark: #1A1A1A;
            --text: #1E2B26;
            --text-secondary: #55635C;
            --text-muted: #7A8B82;
            --border: #DDE5DF;
            --border-light: #E8EFEA;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Roboto", sans-serif;
            --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
        }
        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-left {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 11px 16px 10px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            position: relative;
        }
        .channel-item:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .channel-item.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .channel-item.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }

        /* ===== Mobile Nav Panel ===== */
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary);
            z-index: 99;
            padding: 8px 20px 20px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .mobile-channel-item {
            display: block;
            color: #fff;
            padding: 12px 4px;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), padding-left var(--transition);
        }
        .mobile-nav-panel .mobile-channel-item:hover {
            background: rgba(255, 255, 255, 0.08);
            padding-left: 12px;
            color: #fff;
        }
        .mobile-nav-panel .mobile-channel-item.active {
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Section Base ===== */
        main {
            display: block;
        }
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.02em;
            margin: 0 0 12px;
            padding-left: 16px;
            position: relative;
            color: var(--text);
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 5px;
            bottom: 5px;
            width: 5px;
            background: var(--accent);
            border-radius: 3px;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            padding-left: 16px;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            background: var(--primary);
            padding: 60px 0 56px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(240, 90, 40, 0.12) 0%, rgba(15, 61, 46, 0) 45%), url('/assets/images/8921e0d7789a4f2c.webp') center/cover no-repeat;
            opacity: 0.85;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 14px);
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cat-hero-content {
            flex: 1 1 480px;
            min-width: 0;
        }
        .cat-hero h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin: 0 0 18px;
            color: #fff;
            line-height: 1.3;
        }
        .cat-hero h1 .accent-text {
            color: var(--accent);
        }
        .cat-hero p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 24px;
            max-width: 560px;
            line-height: 1.8;
        }
        .cat-hero-image {
            flex: 0 0 340px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            position: relative;
        }
        .cat-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            letter-spacing: 0.02em;
        }
        .badge-light {
            background: var(--border-light);
            color: var(--text-secondary);
        }
        .badge-accent {
            background: rgba(240, 90, 40, 0.12);
            color: var(--accent);
        }

        /* ===== Entry Cards ===== */
        .entry-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .entry-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .entry-card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .entry-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .entry-card-body {
            padding: 18px 20px 20px;
        }
        .entry-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .entry-card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.7;
        }
        .entry-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .entry-card-link:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        /* ===== Ranking List ===== */
        .ranking-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .ranking-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: box-shadow var(--transition), transform var(--transition);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            color: var(--text);
        }
        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            color: var(--text);
        }
        .ranking-item-image {
            flex: 0 0 120px;
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .ranking-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .ranking-item-content {
            flex: 1;
            min-width: 0;
        }
        .ranking-item-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
            line-height: 1.4;
        }
        .ranking-item-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0 0 10px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .ranking-item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .ranking-item-meta .tag {
            background: var(--border-light);
            padding: 2px 10px;
            border-radius: 14px;
            font-size: 0.76rem;
        }

        /* ===== View More ===== */
        .view-more-wrap {
            text-align: center;
            padding: 20px 0 0;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 28px;
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            background: transparent;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }

        /* ===== Three Column Support ===== */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .support-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .support-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(15, 61, 46, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .support-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .support-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Feature Section ===== */
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            gap: 0;
            flex-wrap: wrap;
        }
        .feature-card-image {
            flex: 1 1 300px;
            min-height: 260px;
            position: relative;
        }
        .feature-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .feature-card-body {
            flex: 1 1 380px;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
        }
        .feature-card-body p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 18px;
        }
        .feature-card-link {
            font-weight: 600;
            color: var(--accent);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feature-card-link:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        /* ===== FAQ / Tips ===== */
        .tips-list {
            display: grid;
            gap: 14px;
        }
        .tip-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
        }
        .tip-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tip-item h4::before {
            content: "Q";
            font-weight: 800;
            color: var(--accent);
            font-size: 0.9rem;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(240, 90, 40, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .tip-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0 0 0 30px;
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 52px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 26px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(240, 90, 40, 0.4);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .cat-hero .container {
                gap: 28px;
            }
            .cat-hero-image {
                flex: 0 0 280px;
            }
            .ranking-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }
            .channel-row {
                display: none;
            }
            .brand-actions .btn-nav-cta {
                display: none;
            }
            .cat-hero {
                padding: 40px 0;
            }
            .cat-hero .container {
                flex-direction: column;
                align-items: stretch;
            }
            .cat-hero-image {
                flex: 0 0 auto;
                aspect-ratio: 16 / 9;
                order: -1;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .entry-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .support-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                flex-direction: column;
            }
            .feature-card-image {
                min-height: 200px;
            }
            .feature-card-body {
                padding: 24px;
            }
            .ranking-item {
                flex-direction: column;
                gap: 12px;
            }
            .ranking-item-image {
                flex: 0 0 auto;
                aspect-ratio: 16 / 9;
                width: 100%;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 0.9rem;
            }
            .cat-hero h1 {
                font-size: 24px;
            }
            .cat-hero p {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 21px;
            }
            .tip-item p {
                margin-left: 0;
                margin-top: 6px;
            }
            .tip-item h4 {
                margin-bottom: 4px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F3D2E;
            --primary-dark: #0A2B20;
            --accent: #F05A28;
            --accent-hover: #D94D1F;
            --accent-active: #B53F18;
            --bg: #F2F4F0;
            --surface: #FAFBF7;
            --dark: #1A1A1A;
            --text: #1E2B26;
            --text-secondary: #55635C;
            --text-muted: #7A8B82;
            --border: #DDE5DF;
            --border-light: #E8EFEA;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Roboto", sans-serif;
            --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
        }
        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-left {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 11px 16px 10px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            position: relative;
        }
        .channel-item:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .channel-item.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .channel-item.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary);
            z-index: 99;
            padding: 8px 20px 20px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .mobile-channel-item {
            display: block;
            color: #fff;
            padding: 12px 4px;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), padding-left var(--transition);
        }
        .mobile-nav-panel .mobile-channel-item:hover {
            background: rgba(255, 255, 255, 0.08);
            padding-left: 12px;
            color: #fff;
        }
        .mobile-nav-panel .mobile-channel-item.active {
            color: var(--accent);
            font-weight: 600;
        }
        /* ===== Category Hero ===== */
        .category-hero {
            background: var(--primary-dark);
            background-image: linear-gradient(135deg, rgba(15, 61, 46, 0.95) 0%, rgba(10, 43, 32, 0.98) 100%);
            color: #fff;
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid rgba(240, 90, 40, 0.35);
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 360px;
            height: 360px;
            background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 8px, transparent 8px, transparent 24px);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 280px;
            height: 280px;
            background: rgba(240, 90, 40, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .category-hero-text h1 {
            font-size: 2.2rem;
            line-height: 1.35;
            font-weight: 700;
            margin: 0 0 16px;
            color: #fff;
        }
        .category-hero-text h1 .accent-line {
            display: inline-block;
            width: 42px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 10px;
        }
        .category-hero-text p {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 20px;
            line-height: 1.8;
            max-width: 520px;
        }
        .hero-meta-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 18px;
        }
        .hero-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-meta-badge i {
            color: var(--accent);
            font-size: 0.78rem;
        }
        .category-hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
            border: 2px solid rgba(255, 255, 255, 0.12);
        }
        .category-hero-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.86rem;
            color: var(--text-muted);
        }
        .breadcrumb-bar a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--accent);
        }
        .breadcrumb-sep {
            color: #C5D1CB;
        }
        /* ===== Section Common ===== */
        .section-pad {
            padding: 52px 0;
        }
        .section-pad-sm {
            padding: 36px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-deep {
            background: var(--primary-dark);
            color: #fff;
        }
        .section-title-wrap {
            margin-bottom: 28px;
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 26px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title-light {
            color: #fff;
        }
        .section-subtitle {
            font-size: 0.98rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .section-subtitle-light {
            color: rgba(255, 255, 255, 0.72);
        }
        /* ===== Entry Cards ===== */
        .entry-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: block;
            height: 100%;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            color: var(--text);
        }
        .entry-card-img {
            height: 150px;
            overflow: hidden;
            background: var(--bg);
        }
        .entry-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .entry-card:hover .entry-card-img img {
            transform: scale(1.04);
        }
        .entry-card-body {
            padding: 18px 20px 20px;
        }
        .entry-card-body h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }
        .entry-card-body p {
            font-size: 0.87rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }
        /* ===== Schedule List ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .schedule-item {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
            align-items: center;
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 61, 46, 0.25);
            transform: translateY(-2px);
        }
        .schedule-item-img {
            flex-shrink: 0;
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg);
        }
        .schedule-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .schedule-item-content {
            flex: 1;
            min-width: 0;
        }
        .schedule-item-content .schedule-tag {
            display: inline-block;
            background: var(--bg);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 10px;
            padding: 2px 10px;
            margin-bottom: 5px;
            letter-spacing: 0.02em;
        }
        .schedule-item-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 5px;
            line-height: 1.5;
        }
        .schedule-item-content p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .schedule-item-meta {
            flex-shrink: 0;
            text-align: right;
            min-width: 110px;
        }
        .schedule-date {
            font-family: var(--font-num);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--primary);
            display: block;
        }
        .schedule-time {
            font-family: var(--font-num);
            font-size: 0.82rem;
            color: var(--accent);
            font-weight: 600;
            display: block;
            margin-top: 2px;
        }
        /* ===== Load More ===== */
        .load-more-wrap {
            text-align: center;
            margin-top: 24px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid var(--primary);
            background: transparent;
            color: var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 28px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-outline:active {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        /* ===== Data Support Cards ===== */
        .data-support-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .data-support-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition);
            text-align: center;
        }
        .data-support-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 61, 46, 0.2);
        }
        .data-support-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(15, 61, 46, 0.08);
            color: var(--primary);
            font-size: 1.25rem;
            margin-bottom: 14px;
            transition: background var(--transition), color var(--transition);
        }
        .data-support-card:hover .data-support-icon {
            background: var(--primary);
            color: #fff;
        }
        .data-support-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }
        .data-support-card p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }
        /* ===== Topic Banner ===== */
        .topic-banner {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .topic-banner-img {
            min-height: 280px;
            background: var(--bg);
            overflow: hidden;
        }
        .topic-banner-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-banner-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .topic-banner-body .topic-tag {
            display: inline-block;
            background: rgba(240, 90, 40, 0.1);
            color: var(--accent);
            font-size: 0.76rem;
            font-weight: 600;
            border-radius: 10px;
            padding: 3px 12px;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            width: fit-content;
        }
        .topic-banner-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
            line-height: 1.45;
        }
        .topic-banner-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0 0 18px;
            line-height: 1.7;
        }
        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            background: none;
            cursor: pointer;
            padding: 0;
            transition: color var(--transition);
        }
        .btn-text-link:hover {
            color: var(--accent);
        }
        .btn-text-link i {
            font-size: 0.8rem;
            transition: transform var(--transition);
        }
        .btn-text-link:hover i {
            transform: translateX(3px);
        }
        /* ===== Usage Tips / FAQ ===== */
        .usage-tip-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .usage-tip-item {
            background: #fff;
            border: 1px solid var(--border);
            border-left: 3px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            box-shadow: var(--shadow-sm);
        }
        .usage-tip-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .usage-tip-item h4 .q-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .usage-tip-item p {
            font-size: 0.87rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
            padding-left: 30px;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-logo {
            font-size: 1.25rem;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.87rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.62);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.62);
            font-size: 0.86rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 18px 0;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-hero-image img {
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .data-support-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .topic-banner {
                grid-template-columns: 1fr;
            }
            .topic-banner-img {
                min-height: 220px;
            }
        }
        @media screen and (max-width: 768px) {
            .brand-row {
                padding: 10px 0;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 0.95rem;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.82rem;
                gap: 4px;
            }
            .btn-nav-cta span {
                display: none;
            }
            .btn-nav-cta i {
                font-size: 0.9rem;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .channel-row {
                display: none;
            }
            .section-pad {
                padding: 36px 0;
            }
            .section-pad-sm {
                padding: 26px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .category-hero {
                padding: 32px 0 40px;
            }
            .category-hero-text h1 {
                font-size: 1.6rem;
            }
            .category-hero-text p {
                font-size: 0.92rem;
            }
            .hero-meta-badges {
                gap: 8px;
            }
            .hero-meta-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            .data-support-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }
            .schedule-item-img {
                width: 76px;
                height: 56px;
            }
            .schedule-item-meta {
                min-width: auto;
                text-align: left;
                width: 100%;
                display: flex;
                gap: 12px;
                align-items: center;
            }
            .schedule-item-content h3 {
                font-size: 0.92rem;
            }
            .topic-banner-body {
                padding: 22px 20px;
            }
            .topic-banner-body h3 {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .category-hero-text h1 {
                font-size: 1.35rem;
            }
            .category-hero-text p {
                font-size: 0.85rem;
            }
            .category-hero-image img {
                height: 160px;
            }
            .data-support-grid {
                grid-template-columns: 1fr;
            }
            .schedule-item-content p {
                -webkit-line-clamp: 1;
            }
            .schedule-item-img {
                width: 64px;
                height: 48px;
            }
            .section-title {
                font-size: 1.2rem;
                padding-left: 12px;
            }
            .section-title::before {
                height: 20px;
                width: 3px;
            }
            .topic-banner-img {
                min-height: 180px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0F3D2E;
            --primary-dark: #0A2B20;
            --accent: #F05A28;
            --accent-hover: #D94D1F;
            --accent-active: #B53F18;
            --bg: #F2F4F0;
            --surface: #FAFBF7;
            --dark: #1A1A1A;
            --text: #1E2B26;
            --text-secondary: #55635C;
            --text-muted: #7A8B82;
            --border: #DDE5DF;
            --border-light: #E8EFEA;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Roboto", sans-serif;
            --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .brand-row {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
        }
        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-left {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 11px 16px 10px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            position: relative;
            text-decoration: none;
        }
        .channel-item:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .channel-item.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .channel-item.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }

        /* ===== Mobile Nav Panel ===== */
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary);
            z-index: 99;
            padding: 8px 20px 20px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .mobile-channel-item {
            display: block;
            color: #fff;
            padding: 12px 4px;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), padding-left var(--transition);
            text-decoration: none;
        }
        .mobile-nav-panel .mobile-channel-item:hover {
            background: rgba(255, 255, 255, 0.08);
            padding-left: 12px;
            color: #fff;
        }
        .mobile-nav-panel .mobile-channel-item.active {
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text);
            margin: 0 0 12px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
            line-height: 1.3;
        }
        .section-title.light {
            color: #fff;
            border-left-color: var(--accent);
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            padding-left: 18px;
            line-height: 1.6;
        }
        .section-subtitle.light {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Hero (分类页) ===== */
        .category-hero {
            background: var(--primary);
            color: #fff;
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -20%;
            width: 70%;
            height: 180%;
            background: repeating-linear-gradient(
                115deg,
                rgba(255, 255, 255, 0.03) 0,
                rgba(255, 255, 255, 0.03) 2px,
                transparent 2px,
                transparent 12px
            );
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero-content {
            flex: 1 1 480px;
            min-width: 0;
        }
        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin: 0 0 16px;
            color: #fff;
        }
        .category-hero h1 .highlight {
            color: var(--accent);
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 28px;
            max-width: 560px;
        }
        .hero-meta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .hero-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
        }
        .hero-meta-badge i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .category-hero-image {
            flex: 0 0 360px;
            max-width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 2px solid rgba(255, 255, 255, 0.15);
        }
        .category-hero-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        /* ===== Category Entry Cards ===== */
        .entry-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .entry-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            display: block;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .entry-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .entry-card-body {
            padding: 16px 18px 18px;
        }
        .entry-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            line-height: 1.35;
        }
        .entry-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }
        .news-list-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 14px 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            align-items: center;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-list-item .news-img {
            flex: 0 0 140px;
            height: 95px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .news-list-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-tags {
            display: flex;
            gap: 6px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .news-tag {
            display: inline-block;
            background: var(--bg);
            color: var(--text-secondary);
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .news-tag.hot {
            background: rgba(240, 90, 40, 0.1);
            color: var(--accent);
        }
        .news-list-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .news-list-item .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0 0 4px;
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== View More ===== */
        .view-more {
            text-align: center;
            margin-top: 24px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Data Support ===== */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .support-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .support-card .support-icon {
            width: 44px;
            height: 44px;
            border-radius: 6px;
            background: rgba(15, 61, 46, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .support-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .support-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* ===== Feature Spotlight ===== */
        .feature-spotlight {
            display: flex;
            gap: 28px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin-top: 24px;
            align-items: stretch;
            flex-wrap: wrap;
        }
        .feature-spotlight .feature-img {
            flex: 0 0 45%;
            min-height: 280px;
        }
        .feature-spotlight .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-spotlight .feature-body {
            flex: 1;
            min-width: 280px;
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-spotlight .feature-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.35;
        }
        .feature-spotlight .feature-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0 0 18px;
            line-height: 1.7;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            align-self: flex-start;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 16px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--text);
            font-size: 0.98rem;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            background: var(--bg);
        }
        .faq-question .faq-q-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: var(--primary);
            color: #fff;
            font-size: 0.85rem;
            border-radius: 4px;
            flex-shrink: 0;
            font-weight: 700;
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-question {
            border-bottom: 1px solid var(--border-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            margin: 14px 0 0;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding: 18px 0;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .entry-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .support-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero-image {
                flex: 0 0 300px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .btn-nav-cta {
                display: none;
            }
            .channel-row .container {
                display: none;
            }
            .mobile-nav-panel {
                display: none;
            }
            .mobile-nav-panel.open {
                display: block;
            }
            .section {
                padding: 40px 0;
            }
            .category-hero {
                padding: 44px 0 40px;
            }
            .category-hero .container {
                flex-direction: column;
                gap: 24px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .category-hero-image img {
                height: 200px;
            }
            .entry-card-grid {
                grid-template-columns: 1fr;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .news-list-item .news-img {
                flex: 0 0 auto;
                width: 100%;
                height: 180px;
            }
            .feature-spotlight {
                flex-direction: column;
            }
            .feature-spotlight .feature-img {
                flex: 0 0 auto;
                width: 100%;
                min-height: 200px;
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.25rem;
                padding-left: 10px;
            }
            .section-subtitle {
                font-size: 0.9rem;
                padding-left: 12px;
            }
            .entry-card-body h3 {
                font-size: 0.98rem;
            }
            .news-list-item h3 {
                font-size: 0.95rem;
            }
            .feature-spotlight .feature-body {
                padding: 20px 18px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0F3D2E;
            --primary-dark: #0A2B20;
            --accent: #F05A28;
            --accent-hover: #D94D1F;
            --accent-active: #B53F18;
            --bg: #F2F4F0;
            --surface: #FAFBF7;
            --dark: #1A1A1A;
            --text: #1E2B26;
            --text-secondary: #55635C;
            --text-muted: #7A8B82;
            --border: #DDE5DF;
            --border-light: #E8EFEA;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(15, 61, 46, 0.16);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "Roboto", sans-serif;
            --transition: 0.22s cubic-bezier(0.3, 0.6, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
        }
        .brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .brand-left {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-logo:hover {
            color: #fff;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-size: 1.1rem;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .channel-row {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 11px 16px 10px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            position: relative;
        }
        .channel-item:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .channel-item.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .channel-item.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }
        /* ===== Mobile Nav Panel ===== */
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary);
            z-index: 99;
            padding: 8px 20px 20px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel .mobile-channel-item {
            display: block;
            color: #fff;
            padding: 12px 4px;
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), padding-left var(--transition);
        }
        .mobile-nav-panel .mobile-channel-item:hover {
            background: rgba(255, 255, 255, 0.08);
            padding-left: 12px;
            color: #fff;
        }
        .mobile-nav-panel .mobile-channel-item.active {
            color: var(--accent);
            font-weight: 600;
            padding-left: 12px;
        }
        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 90, 40, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--accent-active);
            transform: translateY(1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: none;
            border: none;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            padding: 4px 0;
            transition: color var(--transition);
            border-radius: 2px;
        }
        .btn-text:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .btn-text:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        /* ===== Sections ===== */
        section {
            padding: 56px 0;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin: 0 0 12px;
            position: relative;
            padding-left: 14px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            max-width: 680px;
            line-height: 1.75;
        }
        /* ===== Category Hero ===== */
        .cat-hero {
            background: var(--primary);
            background-image: linear-gradient(135deg, rgba(15, 61, 46, 0.98) 0%, rgba(10, 43, 32, 0.96) 60%, rgba(15, 61, 46, 0.92) 100%), url('/assets/images/8921e0d7789a4f2c.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 1;
        }
        .cat-hero-grid {
            display: grid;
            grid-template-columns: 1fr 0.85fr;
            gap: 40px;
            align-items: center;
        }
        .cat-hero-content {
            color: #fff;
        }
        .cat-hero-label {
            display: inline-block;
            background: rgba(240, 90, 40, 0.85);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .cat-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin: 0 0 16px;
        }
        .cat-hero h1 .highlight {
            color: var(--accent);
        }
        .cat-hero p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            margin: 0 0 24px;
            max-width: 560px;
        }
        .cat-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .cat-hero-meta .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .cat-hero-meta .meta-chip i {
            color: var(--accent);
        }
        .cat-hero-visual {
            position: relative;
        }
        .cat-hero-visual .hero-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            position: relative;
        }
        .cat-hero-visual .hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .cat-hero-visual::after {
            content: "";
            position: absolute;
            bottom: -12px;
            right: -12px;
            width: 80%;
            height: 80%;
            border: 2px dashed rgba(240, 90, 40, 0.35);
            border-radius: var(--radius-lg);
            pointer-events: none;
            z-index: -1;
        }
        /* ===== Entry Cards ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .entry-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent);
        }
        .entry-card .entry-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .entry-card .entry-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
            display: block;
        }
        .entry-card:hover .entry-img img {
            transform: scale(1.04);
        }
        .entry-card .entry-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .entry-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .entry-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            flex: 1;
            line-height: 1.7;
        }
        .entry-card .entry-link {
            margin-top: 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }
        .entry-card .entry-link:hover {
            color: var(--accent-hover);
        }
        /* ===== Team List ===== */
        .team-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .team-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            display: grid;
            grid-template-columns: 120px 1fr auto;
            gap: 20px;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }
        .team-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .team-card .team-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--bg);
        }
        .team-card .team-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .team-card .team-info {
            min-width: 0;
        }
        .team-card .team-info h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .team-card .team-info .team-summary {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .team-card .team-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .team-card .team-tags .tag {
            background: var(--bg);
            color: var(--text-secondary);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 4px;
            border: 1px solid var(--border-light);
        }
        .team-card .team-tags .tag.highlight {
            background: rgba(240, 90, 40, 0.08);
            color: var(--accent);
            border-color: rgba(240, 90, 40, 0.3);
        }
        .team-card .team-link {
            white-space: nowrap;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
            padding: 8px 0;
        }
        .team-card .team-link:hover {
            color: var(--accent);
        }
        .team-card .team-link i {
            font-size: 0.8rem;
        }
        /* ===== Load More ===== */
        .load-more-zone {
            text-align: center;
            padding: 8px 0 0;
        }
        .load-more-zone .btn-outline {
            min-width: 200px;
            justify-content: center;
        }
        /* ===== Data Dimensions ===== */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .dimension-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .dimension-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .dimension-card .dim-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: rgba(15, 61, 46, 0.08);
            color: var(--primary);
            border-radius: 50%;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .dimension-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .dimension-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        /* ===== Scenario Section ===== */
        .scenario-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 0;
        }
        .scenario-card .scenario-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            min-height: 100%;
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .scenario-card .scenario-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-card .scenario-body .scenario-tag {
            display: inline-block;
            background: rgba(15, 61, 46, 0.08);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .scenario-card .scenario-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.45;
        }
        .scenario-card .scenario-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
        }
        .scenario-card .scenario-body .scenario-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .scenario-card .scenario-body .scenario-link:hover {
            color: var(--accent-hover);
        }
        /* ===== Data Source Notes ===== */
        .notes-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .note-item {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: background var(--transition);
        }
        .note-item:last-child {
            border-bottom: none;
        }
        .note-item:hover {
            background: var(--bg);
        }
        .note-item .note-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: rgba(15, 61, 46, 0.08);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .note-item .note-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .note-item .note-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #fff;
            padding: 48px 0 0;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .site-footer .footer-brand p {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 14px 0 0;
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.86rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            padding: 18px 0;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .cat-hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cat-hero-visual {
                max-width: 480px;
            }
            .scenario-card {
                grid-template-columns: 1fr;
            }
            .scenario-card .scenario-img {
                aspect-ratio: 16/9;
            }
            .scenario-card .scenario-body {
                padding: 24px 28px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .channel-row .container {
                display: none;
            }
            .cat-hero {
                padding: 44px 0 52px;
            }
            .cat-hero h1 {
                font-size: 1.7rem;
            }
            .cat-hero-visual .hero-img {
                aspect-ratio: 16/9;
            }
            .entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .team-card {
                grid-template-columns: 80px 1fr;
                gap: 14px;
                padding: 14px;
            }
            .team-card .team-thumb {
                aspect-ratio: 1;
            }
            .team-card .team-link {
                grid-column: 1 / -1;
                justify-content: center;
                padding: 6px 0 0;
                border-top: 1px solid var(--border-light);
            }
            .dimension-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .cat-hero h1 {
                font-size: 1.45rem;
            }
            .cat-hero p {
                font-size: 0.88rem;
            }
            .cat-hero-meta .meta-chip {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            .team-card {
                grid-template-columns: 64px 1fr;
                gap: 10px;
                padding: 12px;
            }
            .team-card .team-info h3 {
                font-size: 0.98rem;
            }
            .team-card .team-info .team-summary {
                font-size: 0.8rem;
                -webkit-line-clamp: 2;
            }
            .team-card .team-tags .tag {
                font-size: 0.7rem;
                padding: 3px 8px;
            }
            .scenario-card .scenario-body {
                padding: 18px 20px;
            }
            .scenario-card .scenario-body h3 {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.25rem;
                padding-left: 10px;
            }
            .section-title::before {
                top: 6px;
                bottom: 6px;
                width: 3px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
        }
