/* roulang page: index */
:root {
    --primary: #4F46E5;
    --primary-dark: #3730A3;
    --primary-light: #818CF8;
    --accent: #8B5CF6;
    --warm: #F59E0B;
    --bg: #F8FAFC;
    --text: #1E293B;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
    --space-section: 96px;
    --space-section-mobile: 56px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  input, textarea { font-family: inherit; outline: none; }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  .section { padding: var(--space-section) 0; }
  .section-title { font-size: 32px; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; }
  .section-subtitle { font-size: 16px; color: var(--text-muted); margin-top: 8px; max-width: 640px; }
  .section-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
  .section-head .more-link { font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
  .section-head .more-link i { font-size: 13px; }
  .section-head .more-link:hover { color: var(--primary-dark); gap: 10px; }

  /* 导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: box-shadow 0.3s ease;
  }
  .site-header.scrolled { box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06); }
  .header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 76px;
    flex-wrap: nowrap;
  }
  .logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
  }
  .logo i { color: var(--primary); font-size: 26px; }
  .logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
  .nav-list { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-muted);
    transition: all 0.2s ease;
    white-space: nowrap;
  }
  .nav-link:hover { color: var(--primary); background: rgba(79, 70, 229, 0.06); }
  .nav-link.active { color: var(--primary); background: rgba(79, 70, 229, 0.12); font-weight: 700; }
  .header-search {
    flex: 1;
    max-width: 380px;
    margin-left: auto;
    display: flex;
    align-items: center;
    background: #F1F5F9;
    border-radius: 999px;
    padding: 8px 18px;
    gap: 10px;
    border: 1px solid transparent;
    transition: all 0.25s ease;
  }
  .header-search:focus-within { background: #fff; border-color: var(--primary-light); box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1); }
  .header-search i { color: var(--text-muted); font-size: 14px; }
  .header-search input {
    flex: 1;
    background: transparent;
    border: none;
    font-size: 14px;
    color: var(--text);
    width: 100%;
  }
  .header-search input::placeholder { color: #94A3B8; }
  .header-search button {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: 999px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: transform 0.2s ease;
    flex-shrink: 0;
  }
  .header-search button:hover { transform: scale(1.08); }
  .mobile-toggle { display: none; font-size: 22px; color: var(--text); padding: 8px; }

  /* Hero */
  .hero {
    position: relative;
    background: url('/assets/images/backpic/back-1.png') no-repeat center center;
    background-size: cover;
    padding: 120px 0 100px;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 27, 75, 0.72) 45%, rgba(79, 70, 229, 0.42) 100%);
  }
  .hero .container { position: relative; z-index: 2; }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    padding: 6px 18px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(6px);
    margin-bottom: 24px;
  }
  .hero-badge i { color: #FCD34D; }
  .hero h1 {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.15;
    color: #fff;
    letter-spacing: -0.03em;
    max-width: 720px;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  }
  .hero h1 .gradient-text {
    background: linear-gradient(to right, #A5B4FC, #C4B5FD, #FCD34D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 580px;
    margin-bottom: 32px;
    line-height: 1.8;
  }
  .hero-btns { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    padding: 14px 28px;
    transition: all 0.25s ease;
  }
  .btn i { font-size: 14px; }
  .btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35); }
  .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(79, 70, 229, 0.45); }
  .btn-ghost { background: rgba(255, 255, 255, 0.16); color: #fff; border: 1px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(6px); }
  .btn-ghost:hover { background: rgba(255, 255, 255, 0.28); transform: translateY(-3px); }
  .hero-quick-icons { display: flex; gap: 24px; flex-wrap: wrap; }
  .hero-quick-icons .qitem { color: rgba(255, 255, 255, 0.75); font-size: 13px; display: flex; align-items: center; gap: 6px; }
  .hero-quick-icons .qitem i { color: #FCD34D; }

  /* 特色卡片 */
  .feature-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
  }
  .feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 90px;
    height: 90px;
    border-radius: 0 0 0 90px;
    background: linear-gradient(135deg, transparent 40%, rgba(79, 70, 229, 0.05) 100%);
  }
  .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(79, 70, 229, 0.2); }
  .feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
  }
  .feature-icon.blue { background: rgba(79, 70, 229, 0.12); color: var(--primary); }
  .feature-icon.purple { background: rgba(139, 92, 246, 0.12); color: var(--accent); }
  .feature-icon.amber { background: rgba(245, 158, 11, 0.12); color: var(--warm); }
  .feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
  .feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
  .feature-card .feature-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--primary); }
  .feature-card .feature-link i { font-size: 12px; }

  /* 分类卡片 */
  .category-card {
    border-radius: 24px;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    display: block;
  }
  .category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
  .category-card .cat-img { height: 220px; overflow: hidden; position: relative; }
  .category-card .cat-img img { object-fit: cover; width: 100%; height: 100%; transition: transform 0.5s ease; }
  .category-card:hover .cat-img img { transform: scale(1.06); }
  .category-card .cat-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 23, 42, 0.45), transparent); }
  .category-card .cat-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    border-radius: 999px;
    padding: 4px 14px;
  }
  .category-card .cat-body { padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .category-card .cat-body h3 { font-size: 18px; font-weight: 700; }
  .category-card .cat-body p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
  .category-card .cat-arrow { width: 40px; height: 40px; border-radius: 50%; background: rgba(79, 70, 229, 0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; transition: all 0.25s ease; }
  .category-card:hover .cat-arrow { background: var(--primary); color: #fff; transform: rotate(-45deg); }

  /* 资讯区域 */
  .news-section { background: linear-gradient(180deg, var(--bg) 0%, #EEF2FF 100%); }
  .news-list { display: flex; flex-direction: column; gap: 16px; }
  .news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border-radius: 18px;
    padding: 20px 24px;
    border: 1px solid var(--border);
    transition: all 0.25s ease;
  }
  .news-item:hover { border-color: rgba(79, 70, 229, 0.25); box-shadow: var(--shadow); transform: translateX(4px); }
  .news-item .news-num { width: 40px; height: 40px; border-radius: 12px; background: rgba(79, 70, 229, 0.08); color: var(--primary); font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .news-item:nth-child(1) .news-num { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }
  .news-item:nth-child(2) .news-num { background: linear-gradient(135deg, var(--accent), #EC4899); color: #fff; }
  .news-item:nth-child(3) .news-num { background: linear-gradient(135deg, #F59E0B, #F97316); color: #fff; }
  .news-item .news-content { flex: 1; min-width: 0; }
  .news-item .news-content h3 { font-size: 16px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .news-item .news-content p { font-size: 14px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
  .news-item .news-meta { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
  .news-item .news-cat-tag { font-size: 12px; background: rgba(79, 70, 229, 0.1); color: var(--primary); border-radius: 999px; padding: 3px 12px; font-weight: 600; }
  .news-item .news-time { font-size: 13px; color: #94A3B8; }
  .news-item .news-arrow { color: #94A3B8; transition: all 0.25s ease; }
  .news-item:hover .news-arrow { color: var(--primary); transform: translateX(4px); }

  /* 数据统计 */
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .stat-card {
    background: linear-gradient(145deg, #FFFFFF 0%, #F8FAFC 100%);
    border-radius: 20px;
    padding: 32px 20px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
  }
  .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .stat-card .stat-icon { font-size: 28px; margin-bottom: 12px; }
  .stat-card .stat-num { font-size: 36px; font-weight: 900; color: var(--text); line-height: 1.2; }
  .stat-card .stat-label { font-size: 14px; color: var(--text-muted); margin-top: 4px; }
  .stat-card .stat-icon.blue { color: var(--primary); }
  .stat-card .stat-icon.purple { color: var(--accent); }
  .stat-card .stat-icon.amber { color: var(--warm); }
  .stat-card .stat-icon.green { color: #10B981; }

  /* 流程 */
  .steps-section { position: relative; }
  .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .step-card { text-align: center; position: relative; padding: 40px 24px; background: #fff; border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); transition: all 0.3s ease; }
  .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .step-num {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 24px rgba(79, 70, 229, 0.25);
  }
  .step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
  .step-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
  .step-connector { position: absolute; top: 64px; right: -16px; width: 32px; height: 2px; background: linear-gradient(90deg, var(--primary-light), var(--accent)); opacity: 0.5; }
  .step-connector i { display: none; }

  /* 社区评价 */
  .community-section { background: linear-gradient(180deg, #EEF2FF 0%, var(--bg) 100%); }
  .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .review-card {
    background: #fff;
    border-radius: 20px;
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  .review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .review-stars { color: #F59E0B; font-size: 14px; letter-spacing: 2px; margin-bottom: 12px; }
  .review-text { font-size: 14px; color: var(--text-muted); line-height: 1.8; flex: 1; margin-bottom: 20px; }
  .review-user { display: flex; align-items: center; gap: 12px; }
  .review-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid #E2E8F0; }
  .review-user .uname { font-weight: 700; font-size: 14px; }
  .review-user .utag { font-size: 12px; color: var(--text-muted); }
  .review-badge { margin-left: auto; font-size: 12px; background: rgba(79, 70, 229, 0.08); color: var(--primary); border-radius: 999px; padding: 3px 12px; font-weight: 600; }

  /* FAQ */
  .faq-grid { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
  .faq-item {
    background: #fff;
    border-radius: 18px;
    padding: 0;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
  }
  .faq-item:hover { border-color: rgba(79, 70, 229, 0.25); }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 28px;
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
  }
  .faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: auto;
    font-size: 13px;
    color: #94A3B8;
    transition: transform 0.3s ease;
  }
  .faq-item[open] summary::after { transform: rotate(180deg); }
  .faq-item .faq-answer { padding: 0 28px 22px 74px; font-size: 14px; color: var(--text-muted); line-height: 1.8; }

  /* CTA */
  .cta-section {
    position: relative;
    background: url('/assets/images/backpic/back-2.png') no-repeat center center;
    background-size: cover;
    padding: 90px 0;
    border-radius: 28px;
    overflow: hidden;
    margin: 0 auto;
    text-align: center;
  }
  .cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 23, 42, 0.65), rgba(79, 70, 229, 0.6)); }
  .cta-section .container { position: relative; z-index: 2; }
  .cta-section h2 { font-size: 36px; font-weight: 900; color: #fff; margin-bottom: 12px; }
  .cta-section p { color: rgba(255, 255, 255, 0.85); max-width: 500px; margin: 0 auto 32px; }
  .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

  /* 页脚 */
  .site-footer { background: #0F172A; color: #94A3B8; padding: 64px 0 24px; margin-top: 0; }
  .site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
  .site-footer .footer-logo { font-size: 22px; font-weight: 900; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
  .site-footer .footer-logo i { color: #818CF8; }
  .site-footer .footer-desc { font-size: 14px; line-height: 1.8; max-width: 340px; }
  .site-footer h4 { color: #E2E8F0; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
  .site-footer .footer-links { display: flex; flex-direction: column; gap: 10px; }
  .site-footer .footer-links a { font-size: 14px; transition: all 0.2s ease; }
  .site-footer .footer-links a:hover { color: #818CF8; padding-left: 4px; }
  .site-footer .footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.15);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
  }
  .site-footer .footer-bottom .domain { color: #64748B; font-weight: 600; }

  /* 移动菜单 */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
    z-index: 99;
    border-radius: 0 0 20px 20px;
    flex-direction: column;
    gap: 8px;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { padding: 12px 16px; border-radius: 12px; font-weight: 600; font-size: 15px; color: var(--text); }
  .mobile-menu a.active { background: rgba(79, 70, 229, 0.1); color: var(--primary); }
  .mobile-menu a:hover { background: #F1F5F9; }

  /* 按钮焦点 */
  .btn:focus-visible,
  .nav-link:focus-visible,
  .header-search button:focus-visible {
    outline: 3px solid rgba(79, 70, 229, 0.5);
    outline-offset: 2px;
  }

  /* 响应式 */
  @media (max-width: 1024px) {
    .header-search { max-width: 260px; }
    .nav-list .nav-link { padding: 8px 14px; font-size: 14px; }
    .stats-grid { gap: 16px; }
    .stat-card .stat-num { font-size: 28px; }
  }
  @media (max-width: 768px) {
    .section { padding: var(--space-section-mobile) 0; }
    .section-title { font-size: 26px; }
    .header-inner { height: 64px; gap: 12px; }
    .nav-list { display: none; }
    .header-search { max-width: none; flex: 0 0 auto; width: 44px; padding: 8px; justify-content: center; }
    .header-search input { display: none; }
    .header-search i { font-size: 16px; color: var(--text); }
    .header-search button { width: 28px; height: 28px; }
    .mobile-toggle { display: flex; align-items: center; justify-content: center; margin-left: auto; }
    .hero { padding: 80px 0 64px; }
    .hero h1 { font-size: 36px; }
    .hero-desc { font-size: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .step-connector { display: none; }
    .review-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .site-footer .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .news-item { flex-wrap: wrap; padding: 16px; }
    .news-item .news-content { flex: 1 1 100%; }
    .news-item .news-content h3 { white-space: normal; }
    .news-item .news-content p { white-space: normal; }
    .news-meta { width: 100%; justify-content: space-between; }
    .faq-item summary { padding: 18px 16px; font-size: 15px; }
    .faq-item .faq-answer { padding: 0 16px 18px 16px; }
    .cta-section h2 { font-size: 26px; }
  }
  @media (max-width: 520px) {
    .container { padding: 0 16px; }
    .stat-card { padding: 20px 12px; }
    .stat-card .stat-num { font-size: 24px; }
    .stat-card .stat-label { font-size: 13px; }
    .hero-badge { font-size: 12px; padding: 5px 14px; }
    .btn { padding: 12px 20px; font-size: 14px; }
    .news-item { padding: 14px; }
    .review-card { padding: 20px; }
    .site-footer { padding: 48px 0 16px; }
  }
  @media (min-width: 769px) and (max-width: 1024px) {
    .feature-card { padding: 24px; }
    .category-card .cat-img { height: 180px; }
  }

  /* 背景装饰 */
  .section-header-space { padding-top: 0; }

/* roulang page: category1 */
:root {
    --primary: #0e1b2e;
    --primary-light: #16283f;
    --primary-dark: #081120;
    --accent: #e8b64c;
    --accent-dark: #d19c2e;
    --bg-soft: #f4f6fb;
    --text-main: #1a2333;
    --text-weak: #6b7688;
    --border: #e5eaf2;
    --radius: 1.2rem;
    --radius-lg: 1.8rem;
    --shadow-card: 0 6px 24px rgba(14, 27, 46, 0.08);
    --shadow-hover: 0 14px 38px rgba(14, 27, 46, 0.16);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    background: #fff;
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; }
  img { display: block; max-width: 100%; }
  button { font-family: inherit; }

  /* ===== Header / Nav ===== */
  .site-nav {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: box-shadow .3s ease;
  }
  .site-nav.scrolled {
    box-shadow: 0 6px 30px rgba(14,27,46,0.08);
  }
  .nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    gap: 28px;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--primary);
    letter-spacing: -0.01em;
  }
  .nav-logo i {
    color: var(--accent);
    font-size: 1.5rem;
  }
  .nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-weak);
    transition: all .25s ease;
    white-space: nowrap;
  }
  .nav-link:hover {
    color: var(--primary);
    background: var(--bg-soft);
  }
  .nav-link.active {
    color: var(--primary);
    background: rgba(232,182,76,0.15);
  }
  .nav-search {
    display: flex;
    align-items: center;
    background: #f0f2f7;
    border-radius: 999px;
    padding: 0 16px;
    gap: 8px;
    flex: 1;
    max-width: 320px;
    height: 44px;
    transition: all .3s ease;
    border: 2px solid transparent;
    margin-left: 12px;
  }
  .nav-search:focus-within {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(232,182,76,0.15);
  }
  .nav-search i { color: #9aa3b2; font-size: 0.85rem; }
  .nav-search input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-main);
    width: 100%;
  }
  .nav-search input::placeholder { color: #a8b0bd; }
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--primary);
    cursor: pointer;
    padding: 8px;
  }
  .mobile-menu {
    display: none;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 12px 24px 20px;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-menu .nav-link {
    padding: 12px 14px;
    border-radius: 12px;
  }
  .mobile-search {
    display: flex;
    align-items: center;
    background: #f0f2f7;
    border-radius: 12px;
    padding: 0 14px;
    gap: 8px;
    height: 44px;
    margin-bottom: 8px;
    margin-top: 8px;
  }
  .mobile-search input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 0.9rem;
  }

  /* ===== Page Banner ===== */
  .page-banner {
    position: relative;
    background-image: linear-gradient(120deg, rgba(14,27,46,0.92), rgba(22,40,63,0.78)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 90px 0 70px;
    color: #fff;
    text-align: center;
  }
  .page-banner .banner-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232,182,76,0.18);
    border: 1px solid rgba(232,182,76,0.4);
    color: var(--accent);
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
  }
  .page-banner h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    max-width: 720px;
    margin: 0 auto 18px;
  }
  .page-banner p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.78);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.8;
  }
  .banner-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 28px;
    flex-wrap: wrap;
  }
  .banner-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.66);
    background: rgba(255,255,255,0.08);
    padding: 6px 16px;
    border-radius: 999px;
  }

  /* ===== Section ===== */
  .section {
    padding: 84px 0;
  }
  .section .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 44px;
    gap: 24px;
    flex-wrap: wrap;
  }
  .section-head .subtitle {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
  }
  .section-head h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
  }
  .section-head p {
    color: var(--text-weak);
    max-width: 480px;
    font-size: 0.95rem;
    line-height: 1.7;
  }
  .section-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap .25s ease;
  }
  .section-more:hover { gap: 11px; }

  /* ===== Category Tabs ===== */
  .cat-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }
  .cat-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-weak);
    transition: all .25s ease;
    cursor: pointer;
  }
  .cat-tab:hover {
    border-color: var(--accent);
    color: var(--primary);
    background: rgba(232,182,76,0.06);
  }
  .cat-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }
  .cat-tab i { font-size: 0.74rem; opacity: .8; }

  /* ===== News Cards ===== */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }
  .news-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    transition: all .35s cubic-bezier(.2,.8,.2,1);
    display: flex;
    flex-direction: column;
  }
  .news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
  }
  .news-card .thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
  }
  .news-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
  }
  .news-card:hover .thumb img { transform: scale(1.06); }
  .news-card .thumb .tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(14,27,46,0.85);
    color: #fff;
    font-size: 0.74rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
  }
  .news-card .thumb .hot-pill {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(239,68,68,0.3);
  }
  .news-card .body {
    padding: 22px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .news-card .body .meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-weak);
    margin-bottom: 10px;
  }
  .news-card .body .meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #ccd2dc; }
  .news-card .body h3 {
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.55;
    margin-bottom: 8px;
    color: var(--text-main);
    transition: color .2s ease;
  }
  .news-card .body h3 a:hover { color: var(--accent-dark); }
  .news-card .body p {
    font-size: 0.88rem;
    color: var(--text-weak);
    line-height: 1.7;
    flex: 1;
  }
  .news-card .body .read-more {
    margin-top: 18px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap .25s ease;
  }
  .news-card .body .read-more:hover { gap: 10px; }

  /* ===== Stats rank ===== */
  .stats-wrap {
    background: var(--primary);
    background-image: linear-gradient(135deg, #0b1728 0%, #14283f 100%);
    border-radius: 2rem;
    padding: 56px 56px;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .stats-wrap::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(232,182,76,0.1);
    filter: blur(40px);
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
  }
  .stat-item {
    text-align: center;
    padding: 20px 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 1.4rem;
    transition: all .3s ease;
  }
  .stat-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
  .stat-item .num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
  }
  .stat-item .label { font-size: 0.84rem; color: rgba(255,255,255,0.66); margin-top: 6px; }

  /* ===== Schedule timeline ===== */
  .schedule-list {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
  }
  .schedule-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 22px 28px;
    border-bottom: 1px solid var(--border);
    transition: background .2s ease;
  }
  .schedule-item:last-child { border-bottom: none; }
  .schedule-item:hover { background: var(--bg-soft); }
  .schedule-time {
    width: 58px;
    text-align: center;
    flex-shrink: 0;
  }
  .schedule-time .date {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
  }
  .schedule-time .month {
    font-size: 0.74rem;
    color: var(--text-weak);
    text-transform: uppercase;
  }
  .schedule-vs {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
  }
  .schedule-vs .team {
    font-weight: 700;
    font-size: 0.95rem;
    white-space: nowrap;
  }
  .schedule-vs .vs-badge {
    background: var(--bg-soft);
    color: var(--text-weak);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    flex-shrink: 0;
  }
  .schedule-league {
    font-size: 0.8rem;
    color: var(--text-weak);
    background: #f7f8fc;
    padding: 4px 12px;
    border-radius: 999px;
    white-space: nowrap;
  }
  .schedule-status {
    background: rgba(232,182,76,0.12);
    color: var(--accent-dark);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 999px;
    flex-shrink: 0;
    white-space: nowrap;
  }

  /* ===== Community cards ===== */
  .community-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
  }
  .community-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all .3s ease;
    box-shadow: var(--shadow-card);
  }
  .community-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
  .community-card .avatar {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    flex-shrink: 0;
    background: linear-gradient(135deg, #0e1b2e, #1f3a5f);
  }
  .community-card .info { flex: 1; }
  .community-card .info .name {
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .community-card .info .name .lv {
    font-size: 0.68rem;
    background: rgba(232,182,76,0.15);
    color: var(--accent-dark);
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 700;
  }
  .community-card .info p {
    font-size: 0.86rem;
    color: var(--text-weak);
    margin-top: 6px;
    line-height: 1.7;
  }
  .community-card .info .floor {
    font-size: 0.76rem;
    color: #a0a8b5;
    margin-top: 10px;
  }

  /* ===== FAQ ===== */
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    padding: 26px 30px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
  }
  .faq-item:hover { border-color: #d5daea; }
  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-main);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    color: var(--text-weak);
    transition: all .3s ease;
    flex-shrink: 0;
  }
  .faq-item[open] summary .icon {
    background: var(--accent);
    color: var(--primary);
    transform: rotate(45deg);
  }
  .faq-item .answer {
    color: var(--text-weak);
    font-size: 0.92rem;
    line-height: 1.8;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(135deg, #0b1728, #1a3250);
    border-radius: 2rem;
    padding: 72px 56px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(232,182,76,0.15);
    filter: blur(50px);
  }
  .cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
  }
  .cta-section p {
    color: rgba(255,255,255,0.75);
    max-width: 560px;
    margin: 0 auto 30px;
    position: relative;
    z-index: 1;
    line-height: 1.8;
  }
  .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
  }

  /* ===== Buttons ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all .3s ease;
    border: none;
    cursor: pointer;
    line-height: 1.4;
  }
  .btn-primary {
    background: var(--accent);
    color: var(--primary);
  }
  .btn-primary:hover {
    background: #f0c261;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(232,182,76,0.35);
  }
  .btn-outline {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.4);
    color: #fff;
  }
  .btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
  }
  .btn-dark {
    background: var(--primary);
    color: #fff;
  }
  .btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(14,27,46,0.25);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #081120;
    color: #aab4c3;
    margin-top: 84px;
    padding-top: 60px;
    font-size: 0.88rem;
  }
  .site-footer .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
  }
  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
  }
  .footer-logo i { color: var(--accent); }
  .footer-desc {
    color: #8b95a5;
    line-height: 1.8;
    max-width: 340px;
    font-size: 0.86rem;
  }
  .site-footer h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
  }
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-links a {
    color: #8b95a5;
    transition: color .2s ease;
  }
  .footer-links a:hover { color: var(--accent); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    color: #6a7483;
    font-size: 0.82rem;
  }
  .footer-bottom .domain {
    font-family: monospace;
    background: rgba(255,255,255,0.05);
    padding: 3px 12px;
    border-radius: 8px;
    letter-spacing: 0.04em;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-search { max-width: 220px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 768px) {
    .nav-list { display: none; }
    .nav-search { display: none; }
    .nav-toggle { display: block; }
    .mobile-menu.open { display: flex; }
    .section { padding: 60px 0; }
    .page-banner { padding: 70px 0 56px; }
    .page-banner h1 { font-size: 2.1rem; }
    .section-head h2 { font-size: 1.6rem; }
    .community-grid { grid-template-columns: 1fr; }
    .schedule-item { flex-wrap: wrap; padding: 18px 20px; gap: 14px; }
    .schedule-vs { flex: 1 1 100%; order: 3; }
    .stats-wrap { padding: 40px 24px; }
    .cta-section { padding: 50px 28px; }
    .cta-section h2 { font-size: 1.6rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .nav-inner { height: 64px; }
  }

  @media (max-width: 520px) {
    .container, .nav-inner, .page-banner .banner-inner, .section .container {
      padding-left: 18px;
      padding-right: 18px;
    }
    .news-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .page-banner h1 { font-size: 1.7rem; }
    .banner-meta { flex-direction: column; align-items: center; gap: 10px; }
    .cat-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; -webkit-overflow-scrolling: touch; }
    .cat-tab { white-space: nowrap; }
    .schedule-time { width: 46px; }
    .schedule-time .date { font-size: 1rem; }
    .faq-item { padding: 20px 20px; }
    .community-card { flex-direction: column; padding: 22px 20px; }
    .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
  }

/* roulang page: article */
:root{
  --primary:#1e3a8a;--primary-600:#1e40af;--primary-50:#eff6ff;--accent:#e63946;--accent-600:#d62839;
  --bg:#f0f4f8;--surface:#ffffff;--text:#1e293b;--text-weak:#64748b;--border:#e2e8f0;--radius:16px;--radius-sm:10px;
  --shadow:0 4px 24px rgba(15,23,42,.08);--shadow-lg:0 12px 40px rgba(15,23,42,.12);--container:1200px;--header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:all .25s ease}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 2px 16px rgba(15,23,42,.06)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--primary);flex-shrink:0}
.logo i{font-size:26px;color:var(--accent)}
.logo span{letter-spacing:1px}
.search-wrap{flex:1;max-width:520px;display:flex;align-items:center;background:#f1f5f9;border:1px solid transparent;border-radius:50px;padding:0 6px 0 18px;height:44px;transition:all .3s ease}
.search-wrap:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,58,138,.1)}
.search-icon{color:var(--text-weak);font-size:14px;margin-right:12px}
.search-input{flex:1;border:none;background:transparent;font-size:14px;color:var(--text);min-width:0}
.search-input::placeholder{color:#94a3b8}
.search-btn{background:var(--primary);color:#fff;border:none;border-radius:50px;padding:8px 22px;font-size:14px;font-weight:600;cursor:pointer;transition:all .25s}
.search-btn:hover{background:var(--primary-600);transform:translateY(-1px);box-shadow:0 4px 12px rgba(30,58,138,.25)}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{padding:8px 18px;border-radius:50px;font-size:14px;font-weight:500;color:var(--text-weak);transition:all .25s}
.nav-link:hover{color:var(--primary);background:var(--primary-50)}
.nav-link.active{background:var(--primary);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(30,58,138,.2)}
.mobile-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);font-size:18px;cursor:pointer;align-items:center;justify-content:center}
.mobile-toggle:hover{border-color:var(--primary);color:var(--primary)}
/* ===== Mobile Menu ===== */
.mobile-menu{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:#fff;padding:24px;box-shadow:0 12px 32px rgba(15,23,42,.1);border-bottom:1px solid var(--border);z-index:99}
.mobile-menu.open{display:block}
.mobile-search{display:flex;align-items:center;background:#f1f5f9;border-radius:12px;padding:0 16px;height:44px;margin-bottom:20px}
.mobile-search input{flex:1;border:none;background:transparent;font-size:15px}
.mobile-search button{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-size:14px;cursor:pointer}
.mobile-nav{display:flex;flex-direction:column;gap:4px}
.mobile-nav a{padding:14px 16px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text)}
.mobile-nav a:hover{background:var(--primary-50);color:var(--primary)}
.mobile-nav a.active{background:var(--primary);color:#fff}
/* ===== Page Banner ===== */
.page-banner{position:relative;background-size:cover;background-position:center;padding:80px 0 64px}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,23,42,.82) 0%,rgba(30,58,138,.68) 100%)}
.banner-content{position:relative;z-index:2;max-width:860px;margin:0 auto;text-align:center}
.breadcrumb{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.8);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);padding:6px 16px;border-radius:50px;backdrop-filter:blur(8px);margin-bottom:24px}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.5)}
.breadcrumb span{color:#fff}
.banner-tag{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;padding:6px 16px;border-radius:50px;margin-bottom:16px;box-shadow:0 4px 12px rgba(230,57,70,.3)}
.banner-title{font-size:32px;font-weight:800;color:#fff;line-height:1.35;text-shadow:0 2px 12px rgba(0,0,0,.2)}
.banner-desc{color:rgba(255,255,255,.75);font-size:15px;margin-top:10px;max-width:620px;margin-left:auto;margin-right:auto}
/* ===== Article Layout ===== */
.article-section{padding:64px 0}
.article-layout{display:grid;grid-template-columns:1fr 360px;gap:40px;align-items:start}
.article-main{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:40px;border:1px solid var(--border)}
.article-cover{border-radius:12px;margin-bottom:28px;overflow:hidden}
.article-cover img{width:100%;object-fit:cover}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:16px;font-size:13px;color:var(--text-weak)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary)}
.article-title{font-size:30px;font-weight:800;line-height:1.4;color:var(--text);margin-bottom:12px}
.article-lead{font-size:16px;color:var(--text-weak);border-left:4px solid var(--primary);padding:10px 16px;background:var(--primary-50);border-radius:0 10px 10px 0;margin-bottom:28px;line-height:1.7}
.prose-content{font-size:15.5px;line-height:1.9;color:#334155}
.prose-content h2{font-size:22px;font-weight:700;color:var(--text);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--primary);border-radius:2px}
.prose-content h3{font-size:18px;font-weight:700;color:var(--text);margin:24px 0 12px}
.prose-content p{margin-bottom:16px}
.prose-content ul,.prose-content ol{margin:0 0 16px 24px}
.prose-content li{margin-bottom:6px}
.prose-content img{border-radius:12px;margin:20px auto;box-shadow:var(--shadow)}
.prose-content blockquote{border-left:4px solid var(--accent);background:#fff5f5;padding:14px 20px;border-radius:0 10px 10px 0;margin:20px 0;color:#475569;font-style:italic}
.prose-content a{color:var(--primary);font-weight:600;border-bottom:1px solid transparent}
.prose-content a:hover{border-bottom-color:var(--primary)}
.content-empty{padding:40px;text-align:center;color:var(--text-weak);background:#f8fafc;border-radius:12px;font-size:15px}
.not-found{text-align:center;padding:60px 20px}
.not-found i{font-size:48px;color:#cbd5e1;margin-bottom:16px}
.not-found h2{font-size:22px;font-weight:700;margin-bottom:8px}
.not-found p{color:var(--text-weak);margin-bottom:24px}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.article-tags a{display:inline-flex;align-items:center;gap:6px;background:#f1f5f9;border:1px solid var(--border);padding:6px 14px;border-radius:50px;font-size:13px;color:var(--text-weak);transition:all .25s}
.article-tags a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;margin-top:32px;padding-top:24px;border-top:1px solid var(--border);gap:16px}
.article-nav a{font-size:14px;color:var(--primary);font-weight:500;display:inline-flex;align-items:center;gap:8px;max-width:50%}
.article-nav a:hover{color:var(--accent)}
.article-nav .prev i{margin-right:6px}
.article-nav .next i{margin-left:6px}
/* ===== Sidebar ===== */
.article-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:90px}
.widget{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;border:1px solid var(--border)}
.widget-title{font-size:17px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--primary-50)}
.widget-title i{color:var(--primary)}
.widget-list{display:flex;flex-direction:column;gap:14px}
.widget-item{display:flex;align-items:flex-start;gap:14px;padding:12px;border-radius:12px;transition:all .25s;border:1px solid transparent}
.widget-item:hover{background:#f8fafc;border-color:var(--border);transform:translateX(4px)}
.widget-num{width:32px;height:32px;border-radius:8px;background:var(--primary-50);color:var(--primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.widget-item:hover .widget-num{background:var(--primary);color:#fff}
.widget-info h4{font-size:14px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:2px}
.widget-info span{font-size:12px;color:var(--text-weak)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{background:#f1f5f9;border:1px solid var(--border);padding:6px 14px;border-radius:50px;font-size:13px;color:var(--text-weak);transition:all .25s}
.tag-cloud a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
.cta-widget{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-600) 100%);color:#fff;border:none;text-align:center;position:relative;overflow:hidden}
.cta-widget::before{content:'';position:absolute;top:-30px;right:-30px;width:100px;height:100px;background:rgba(255,255,255,.08);border-radius:50%}
.cta-widget h3{font-size:20px;font-weight:800;margin-bottom:8px}
.cta-widget p{font-size:14px;color:rgba(255,255,255,.85);margin-bottom:20px}
.cta-widget .btn-white{display:inline-block;background:#fff;color:var(--primary);padding:10px 24px;border-radius:50px;font-weight:600;font-size:15px;transition:all .25s}
.cta-widget .btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.15)}
/* ===== Related ===== */
.related-section{padding:0 0 64px}
.related-section .section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:12px}
.section-title{font-size:26px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:12px}
.section-title i{color:var(--accent)}
.section-link{font-size:14px;color:var(--primary);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.section-link:hover{color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border);transition:all .35s}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-thumb{position:relative;height:180px;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-thumb .thumb-tag{position:absolute;top:14px;left:14px;background:rgba(30,58,138,.9);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:50px;backdrop-filter:blur(4px)}
.related-body{padding:20px}
.related-body h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body h3 a:hover{color:var(--primary)}
.related-body p{font-size:13px;color:var(--text-weak);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.related-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-weak)}
/* ===== FAQ ===== */
.faq-section{padding:64px 0;background:linear-gradient(180deg,var(--bg) 0%,#fff 100%)}
.faq-head{text-align:center;margin-bottom:40px}
.faq-head h2{font-size:28px;font-weight:800;margin-bottom:8px}
.faq-head p{color:var(--text-weak);font-size:15px}
.faq-grid{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-lg)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--text);list-style:none;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:13px;color:var(--text-weak);transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--primary)}
.faq-item[open] summary{border-bottom:1px solid var(--border)}
.faq-answer{padding:18px 24px;font-size:14.5px;color:var(--text-weak);line-height:1.8;background:#fafbfc}
/* ===== CTA ===== */
.cta-section{padding:64px 0;position:relative;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 60%,#1d4ed8 100%);overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:rgba(255,255,255,.06);border-radius:50%}
.cta-section::after{content:'';position:absolute;bottom:-40px;left:20%;width:120px;height:120px;background:rgba(255,255,255,.04);border-radius:50%}
.cta-content{position:relative;z-index:2;text-align:center;max-width:640px;margin:0 auto}
.cta-content h2{font-size:32px;font-weight:800;color:#fff;margin-bottom:12px}
.cta-content p{color:rgba(255,255,255,.75);font-size:16px;margin-bottom:28px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--primary);padding:12px 32px;border-radius:50px;font-weight:700;font-size:16px;transition:all .3s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,255,255,.2)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);padding:12px 32px;border-radius:50px;font-weight:600;font-size:16px;transition:all .3s}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}
/* ===== Footer ===== */
.site-footer{background:#0f172a;color:#94a3b8;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-logo i{color:var(--accent);font-size:24px}
.footer-desc{font-size:14px;line-height:1.7;max-width:420px;color:#94a3b8}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#94a3b8;transition:all .25s}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:13px;color:#64748b;flex-wrap:wrap;gap:8px}
.footer-bottom .domain{color:#475569;font-family:monospace}
/* ===== Responsive ===== */
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr 300px;gap:24px}
  .article-main{padding:28px}
  .related-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .desktop-nav{display:none!important}
  .mobile-toggle{display:flex}
  .search-wrap{display:none}
  .header-inner{justify-content:space-between}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .widget{flex:1 1 45%}
  .cta-widget{flex:1 1 100%}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .page-banner{padding:56px 0 44px}
  .banner-title{font-size:24px}
  .article-title{font-size:24px}
  .article-main{padding:20px}
  .faq-item summary{font-size:14.5px;padding:16px 18px}
  .faq-answer{padding:14px 18px}
  .cta-content h2{font-size:26px}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .widget{flex:1 1 100%}
  .article-nav{flex-direction:column}
  .article-nav a{max-width:100%}
  .cta-buttons{flex-direction:column;align-items:center}
  .btn-primary,.btn-outline{width:100%;justify-content:center}
}