/* roulang page: index */
:root {
      --primary: #1E2B42;
      --primary-rgb: 30, 43, 66;
      --accent: #4B6B94;
      --gold: #C5A880;
      --gold-light: #F4EFEA;
      --bg-light: #F8FAFC;
      --surface: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.9);
      --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.04), 0 20px 25px -5px rgba(15, 23, 42, 0.06);
      --card-shadow-hover: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 25px 30px -5px rgba(30, 43, 66, 0.12);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-pill: 9999px;
      --transition-base: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    /* 沉浸式透明毛玻璃导航 */
    .site-nav {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1050;
      background: rgba(255, 255, 255, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
      transition: var(--transition-base);
      padding: 0.85rem 0;
    }

    .site-nav.is-sticky {
      position: fixed;
      background: rgba(255, 255, 255, 0.96);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
      padding: 0.65rem 0;
    }

    .brand-logo {
      font-size: 1.28rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
    }

    .brand-badge {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      font-size: 1rem;
      box-shadow: 0 4px 10px rgba(30, 43, 66, 0.2);
    }

    .nav-link-custom {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-body);
      padding: 0.5rem 1rem;
      border-radius: var(--radius-pill);
      transition: var(--transition-base);
    }

    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary);
      background: rgba(75, 107, 148, 0.1);
    }

    .btn-brand-primary {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 0.65rem 1.45rem;
      border-radius: var(--radius-pill);
      border: 1px solid var(--primary);
      box-shadow: 0 4px 12px rgba(30, 43, 66, 0.18);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: var(--transition-base);
    }

    .btn-brand-primary:hover {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(75, 107, 148, 0.28);
    }

    .btn-brand-outline {
      background: #ffffff;
      color: var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 0.65rem 1.45rem;
      border-radius: var(--radius-pill);
      border: 1px solid var(--border-color);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: var(--transition-base);
    }

    .btn-brand-outline:hover {
      background: var(--bg-light);
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
    }

    /* 视觉微调与排版 */
    .section-py {
      padding-top: 5rem;
      padding-bottom: 5rem;
    }

    @media (min-width: 992px) {
      .section-py {
        padding-top: 6.5rem;
        padding-bottom: 6.5rem;
      }
    }

    .section-tag {
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-weight: 700;
      color: var(--gold);
      background: var(--gold-light);
      padding: 0.35rem 0.9rem;
      border-radius: var(--radius-pill);
      display: inline-block;
      margin-bottom: 0.85rem;
    }

    .section-title {
      font-size: 1.9rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      line-height: 1.35;
    }

    @media (min-width: 992px) {
      .section-title {
        font-size: 2.35rem;
      }
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 720px;
      margin-bottom: 2.5rem;
      line-height: 1.8;
    }

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

    .surface-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(75, 107, 148, 0.35);
    }

    /* Hero 全宽浅色矮横幅与画报 */
    .hero-wrapper {
      padding-top: 7.8rem;
      padding-bottom: 4.8rem;
      background: linear-gradient(180deg, #EDF2F7 0%, #F8FAFC 100%);
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-h1 {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.25;
      letter-spacing: -0.03em;
      margin-bottom: 1.35rem;
    }

    @media (min-width: 992px) {
      .hero-h1 {
        font-size: 3.1rem;
      }
    }

    .hero-lead {
      font-size: 1.05rem;
      color: var(--text-body);
      line-height: 1.85;
      margin-bottom: 1.8rem;
    }

    .hero-art-box {
      position: relative;
      border-radius: var(--radius-lg);
      background: #fff;
      padding: 1.5rem;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .art-aspect-ratio {
      width: 100%;
      height: 280px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #1E2B42 0%, #334A6E 50%, #C5A880 100%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 1.5rem;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .art-aspect-ratio::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.2) 0%, transparent 60%);
    }

    /* 步骤胶囊 */
    .step-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--gold-light);
      color: var(--gold);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      margin-bottom: 1rem;
      border: 1px solid rgba(197, 168, 128, 0.3);
    }

    /* 数据指标微光卡片 */
    .stat-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2rem 1.5rem;
      text-align: center;
      box-shadow: var(--card-shadow);
    }

    .stat-number {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 0.35rem;
    }

    /* 对比表格重塑 */
    .table-custom {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    .table-custom th {
      background: #F1F5F9;
      color: var(--primary);
      font-weight: 700;
      padding: 1.15rem 1.25rem;
      border-bottom: 2px solid var(--border-color);
    }

    .table-custom td {
      padding: 1.15rem 1.25rem;
      color: var(--text-body);
      border-bottom: 1px solid var(--border-color);
      vertical-align: middle;
    }

    /* 手风琴 FAQ 样式覆盖 */
    .accordion-custom .accordion-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md) !important;
      margin-bottom: 0.9rem;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(15, 23, 42, 0.02);
    }

    .accordion-custom .accordion-button {
      font-weight: 600;
      color: var(--primary);
      background: #fff;
      padding: 1.2rem 1.4rem;
      box-shadow: none;
    }

    .accordion-custom .accordion-button:not(.collapsed) {
      color: var(--accent);
      background: #F8FAFC;
    }

    .accordion-custom .accordion-body {
      padding: 1.2rem 1.4rem;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid rgba(226, 232, 240, 0.6);
    }

    /* 转化 CTA 通栏 */
    .cta-banner {
      background: linear-gradient(135deg, #1E2B42 0%, #2A3B57 60%, #162032 100%);
      border-radius: 20px;
      padding: 3.8rem 2.2rem;
      color: #fff;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 35px -10px rgba(30, 43, 66, 0.35);
      border: 1px solid rgba(197, 168, 128, 0.25);
    }

    .cta-banner::after {
      content: "";
      position: absolute;
      right: -60px;
      bottom: -60px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(197, 168, 128, 0.2) 0%, transparent 70%);
      pointer-events: none;
    }

    /* 页脚 */
    .site-footer {
      background: #0B1320;
      color: #94A3B8;
      padding: 4.5rem 0 2.5rem;
      font-size: 0.92rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-title {
      color: #F8FAFC;
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 1.35rem;
    }

    .footer-links li {
      margin-bottom: 0.65rem;
    }

    .footer-links a {
      color: #94A3B8;
    }

    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      font-size: 0.85rem;
      color: #64748B;
    }

/* roulang page: category1 */
:root {
      --primary: #1E2B42;
      --primary-rgb: 30, 43, 66;
      --accent: #4B6B94;
      --gold: #C5A880;
      --gold-light: #F4EFEA;
      --bg-light: #F8FAFC;
      --surface: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.9);
      --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.04), 0 20px 25px -5px rgba(15, 23, 42, 0.06);
      --card-shadow-hover: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 25px 30px -5px rgba(30, 43, 66, 0.12);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-pill: 9999px;
      --transition-base: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-base);
    }
    .site-nav {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1050;
      background: rgba(255, 255, 255, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
      transition: var(--transition-base);
      padding: 0.85rem 0;
    }
    .site-nav.is-sticky {
      position: fixed;
      background: rgba(255, 255, 255, 0.96);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
      padding: 0.65rem 0;
    }
    .brand-logo {
      font-size: 1.28rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
    }
    .brand-badge {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      font-size: 1rem;
      box-shadow: 0 4px 10px rgba(30, 43, 66, 0.2);
    }
    .nav-link-custom {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-body);
      padding: 0.5rem 1rem;
      border-radius: var(--radius-pill);
      transition: var(--transition-base);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary);
      background: rgba(75, 107, 148, 0.1);
    }
    .btn-brand-primary {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 0.65rem 1.45rem;
      border-radius: var(--radius-pill);
      border: 1px solid var(--primary);
      box-shadow: 0 4px 12px rgba(30, 43, 66, 0.18);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: var(--transition-base);
    }
    .btn-brand-primary:hover {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(75, 107, 148, 0.28);
    }
    .btn-brand-outline {
      background: #ffffff;
      color: var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 0.65rem 1.45rem;
      border-radius: var(--radius-pill);
      border: 1px solid var(--border-color);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: var(--transition-base);
    }
    .btn-brand-outline:hover {
      background: var(--bg-light);
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
    }
    .surface-card {
      background: var(--surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      transition: var(--transition-base);
    }
    .surface-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(75, 107, 148, 0.35);
    }
    .section-tag {
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-weight: 700;
      color: var(--gold);
      background: var(--gold-light);
      padding: 0.35rem 0.9rem;
      border-radius: var(--radius-pill);
      display: inline-block;
      margin-bottom: 0.85rem;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      line-height: 1.35;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 720px;
      margin-bottom: 2.5rem;
      line-height: 1.8;
    }
    
    /* 分类页定制样式 */
    .cat-header-wrap {
      padding-top: 7rem;
      padding-bottom: 3.5rem;
      background: linear-gradient(180deg, #F1F5F9 0%, #F8FAFC 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb-custom {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .breadcrumb-custom a:hover {
      color: var(--accent);
    }
    .filter-pills-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      align-items: center;
      background: #FFFFFF;
      padding: 0.6rem 1rem;
      border-radius: var(--radius-pill);
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
    }
    .filter-item {
      font-size: 0.85rem;
      font-weight: 500;
      padding: 0.35rem 0.9rem;
      border-radius: var(--radius-pill);
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition-base);
    }
    .filter-item.active, .filter-item:hover {
      background: var(--primary);
      color: #FFFFFF;
    }
    .gallery-thumb-box {
      height: 230px;
      border-radius: 12px 12px 0 0;
      background-size: cover;
      background-position: center;
      position: relative;
      overflow: hidden;
    }
    .gallery-badge-top {
      position: absolute;
      top: 12px;
      left: 12px;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.25rem 0.6rem;
      border-radius: 6px;
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(8px);
      color: #FFFFFF;
    }
    .gallery-time-badge {
      position: absolute;
      bottom: 12px;
      right: 12px;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 0.2rem 0.5rem;
      border-radius: 4px;
      background: rgba(0, 0, 0, 0.7);
      color: #F8FAFC;
    }
    .rank-num-badge {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--gold) 0%, #A88656 100%);
      color: #FFFFFF;
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      box-shadow: 0 4px 10px rgba(197, 168, 128, 0.35);
    }
    .accordion-custom .accordion-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md) !important;
      margin-bottom: 1rem;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      background: #FFFFFF;
    }
    .accordion-custom .accordion-button {
      font-weight: 600;
      color: var(--primary);
      background: #FFFFFF;
      padding: 1.15rem 1.4rem;
      font-size: 1rem;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      color: var(--accent);
      background: rgba(75, 107, 148, 0.05);
      box-shadow: none;
    }
    .accordion-custom .accordion-body {
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.8;
      padding: 1.25rem 1.4rem;
      background: #FFFFFF;
    }
    .site-footer {
      background: #0B1320;
      color: #CBD5E1;
      padding-top: 4.8rem;
      padding-bottom: 2.2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-title {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
      letter-spacing: 0.02em;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 0.9rem;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      transform: translateX(3px);
      display: inline-block;
    }
    .footer-bottom {
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.85rem;
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}