/* roulang page: index */
:root{
  --primary:#F59E0B;--primary-dark:#D97706;--primary-light:#FEF3C7;
  --secondary:#1E293B;--secondary-light:#334155;--success:#10B981;
  --bg:#F8FAFC;--card:#FFFFFF;--text:#0F172A;--text-weak:#64748B;
  --border:#E2E8F0;--radius:16px;--radius-sm:10px;--radius-lg:24px;
  --shadow:0 4px 24px rgba(0,0,0,0.06);--shadow-hover:0 8px 32px rgba(0,0,0,0.12);
  --transition:all 0.3s ease;--container:1200px;--space:80px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
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;font-size:16px;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.badge{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;padding:4px 14px;border-radius:100px;letter-spacing:0.5px}
.section{padding:var(--space) 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head .badge{margin-bottom:12px}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700;color:var(--text);margin-bottom:12px}
.section-head p{color:var(--text-weak);font-size:16px;line-height:1.8}
.section-head p a{color:var(--primary-dark);font-weight:500}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:100px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(245,158,11,0.35)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(217,119,6,0.4)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--secondary);box-shadow:0 4px 14px rgba(0,0,0,0.1)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.15)}
/* Header 卡片化导航 */
.site-header{position:sticky;top:16px;z-index:100;padding:0 24px}
.nav-panel{max-width:var(--container);margin:0 auto;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-radius:20px;box-shadow:0 8px 32px rgba(0,0,0,0.08);border:1px solid rgba(255,255,255,0.9);display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--secondary);white-space:nowrap}
.brand i{color:var(--primary);font-size:26px}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-item{display:flex;align-items:center;gap:7px;padding:9px 18px;border-radius:12px;font-size:14px;font-weight:500;color:var(--text-weak);background:transparent;transition:var(--transition)}
.nav-item i{font-size:15px;color:var(--text-weak);transition:var(--transition)}
.nav-item:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-item:hover i{color:var(--primary-dark)}
.nav-item.active{background:var(--secondary);color:#fff;box-shadow:0 4px 12px rgba(30,41,59,0.25)}
.nav-item.active i{color:#FBBF24}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:8px 22px;font-size:14px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--bg);border:1px solid var(--border);cursor:pointer;align-items:center;justify-content:center;font-size:18px;color:var(--text)}
/* Hero */
.hero{position:relative;border-radius:24px;margin:20px auto 0;max-width:var(--container);overflow:hidden;min-height:520px;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,23,42,0.88) 0%,rgba(15,23,42,0.65) 45%,rgba(15,23,42,0.25) 100%)}
.hero-content{position:relative;z-index:2;padding:64px;max-width:640px;color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,158,11,0.2);border:1px solid rgba(245,158,11,0.5);color:#FBBF24;padding:6px 16px;border-radius:100px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero-badge i{font-size:14px}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin-bottom:16px;letter-spacing:-0.5px}
.hero p{font-size:17px;line-height:1.8;color:rgba(255,255,255,0.85);margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.15)}
.hero-stats .stat-item .num{font-size:26px;font-weight:800;color:#fff}
.hero-stats .stat-item .label{font-size:13px;color:rgba(255,255,255,0.7)}
/* Feature Cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,0.6);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),#FBBF24);opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-card:hover::before{opacity:1}
.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.one{background:var(--primary-light);color:var(--primary-dark)}
.feature-icon.two{background:#E0F2FE;color:#0284C7}
.feature-icon.three{background:#DCFCE7;color:#16A34A}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--text)}
.feature-card p{color:var(--text-weak);font-size:14px;line-height:1.8}
/* Category Entry */
.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:260px;display:flex;align-items:flex-end;box-shadow:var(--shadow);transition:var(--transition)}
.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.category-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,23,42,0.82) 100%)}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.category-info{position:relative;z-index:2;padding:28px;color:#fff;width:100%}
.category-info h3{font-size:22px;font-weight:700;margin-bottom:6px}
.category-info p{font-size:14px;color:rgba(255,255,255,0.85);margin-bottom:12px;line-height:1.6}
.category-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#FBBF24;transition:var(--transition)}
.category-link:hover{gap:10px;color:#fff}
/* News */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.news-card{background:var(--card);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,0.5);transition:var(--transition);display:block}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.news-category{background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;padding:3px 10px;border-radius:100px}
.news-card time{font-size:12px;color:var(--text-weak)}
.news-card h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:8px;transition:var(--transition)}
.news-card:hover h3{color:var(--primary-dark)}
.news-card p{font-size:13.5px;color:var(--text-weak);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--primary-dark);margin-top:14px}
.news-card:hover .news-more{gap:8px}
.empty-tip{grid-column:1/-1;text-align:center;padding:60px 20px;background:var(--card);border-radius:var(--radius);color:var(--text-weak);font-size:15px;border:1px dashed var(--border)}
/* Stats */
.stats-band{background:var(--secondary);border-radius:var(--radius-lg);padding:48px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;overflow:hidden}
.stats-band::before{content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(245,158,11,0.12)}
.stats-band::after{content:'';position:absolute;bottom:-20px;left:-20px;width:80px;height:80px;border-radius:50%;background:rgba(245,158,11,0.08)}
.stat-block{text-align:center;position:relative;z-index:1}
.stat-block .num{font-size:38px;font-weight:800;color:#FBBF24;line-height:1.2}
.stat-block .num span{font-size:20px}
.stat-block .label{font-size:14px;color:rgba(255,255,255,0.7);margin-top:6px}
/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps-grid::before{content:'';position:absolute;top:35px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--primary-light),var(--primary));opacity:0.5}
.step-item{background:var(--card);border-radius:var(--radius-lg);padding:30px 22px 24px;text-align:center;box-shadow:var(--shadow);position:relative;transition:var(--transition)}
.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 4px 12px rgba(245,158,11,0.35)}
.step-item h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--text)}
.step-item p{font-size:13px;color:var(--text-weak);line-height:1.7}
/* FAQ */
.faq-wrap{max-width:780px;margin:0 auto}
.faq-item{background:var(--card);border-radius:var(--radius);margin-bottom:14px;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,0.5);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary-light)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:15px;color:var(--text)}
.faq-q i{color:var(--primary-dark);transition:var(--transition);font-size:16px}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease;padding:0 24px;color:var(--text-weak);font-size:14px;line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 20px}
/* CTA */
.cta-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:64px 48px;text-align:center;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;margin-bottom:var(--space)}
.cta-band::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(30,41,59,0.92),rgba(15,23,42,0.85))}
.cta-band .cta-inner{position:relative;z-index:1}
.cta-band h2{font-size:32px;font-weight:800;color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,0.8);font-size:16px;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* Footer */
.site-footer{background:var(--secondary);color:rgba(255,255,255,0.75);padding:56px 0 28px;margin-top:0}
.footer-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,0.1)}
.footer-brand{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
.footer-brand i{color:var(--primary)}
.footer-columns{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding:40px 0}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.65)}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--primary);border-radius:2px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,0.65);display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.footer-links a:hover{color:var(--primary);transform:translateX(4px)}
.footer-links a i{font-size:12px;color:var(--primary)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,0.65);margin-bottom:12px}
.footer-contact li i{color:var(--primary);font-size:15px}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,0.08);font-size:13px;color:rgba(255,255,255,0.45)}
/* Responsive */
@media(max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid::before{display:none}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .hero-content{padding:40px}
  .hero h1{font-size:36px}
}
@media(max-width:768px){
  :root{--space:56px}
  .menu-toggle{display:flex}
  .main-nav{display:none;position:absolute;top:calc(100% + 8px);left:20px;right:20px;background:#fff;border-radius:16px;box-shadow:var(--shadow-hover);padding:12px;flex-direction:column;align-items:stretch;gap:4px}
  .main-nav.open{display:flex}
  .nav-item{padding:12px 16px}
  .nav-cta .btn-outline{display:none}
  .nav-panel{padding:10px 16px}
  .brand{font-size:17px}
  .hero{min-height:440px;border-radius:18px}
  .hero-content{padding:32px 24px}
  .hero h1{font-size:30px}
  .hero p{font-size:15px}
  .hero-stats{flex-wrap:wrap;gap:16px}
  .news-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .stats-band{padding:32px 24px;grid-template-columns:1fr 1fr}
  .cta-band{padding:40px 24px}
  .footer-columns{grid-template-columns:1fr;gap:24px}
  .section-head h2{font-size:26px}
  .cta-band h2{font-size:26px}
  .nav-cta.hero-actions{display:none}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero-content{padding:24px 18px}
  .hero-badge{font-size:12px;padding:4px 10px}
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-stats .stat-item .num{font-size:20px}
  .category-info h3{font-size:18px}
  .news-card{padding:16px}
  .flag-sm{font-size:12px}
  .stats-band .num{font-size:28px}
  .btn{padding:10px 20px;font-size:14px}
}

/* roulang page: category1 */
:root {
      --primary: #2d6cdf;
      --primary-dark: #1e4fbf;
      --primary-light: #e8f0fe;
      --accent: #f59e0b;
      --accent-light: #fef3c7;
      --dark: #0f172a;
      --text: #1e293b;
      --muted: #64748b;
      --border: #e2e8f0;
      --bg: #f6f8fb;
      --card: #ffffff;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 4px 20px rgba(15,23,42,0.06);
      --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
      --transition: all 0.3s ease;
      --container: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    button,
    input {
      font-family: inherit;
      border: none;
      outline: none;
      background: 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, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      height: 76px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: 0.2px;
      white-space: nowrap;
    }

    .brand-logo i {
      color: var(--primary);
      font-size: 26px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 50px;
      padding: 6px;
      flex: 1;
    }

    .nav-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      color: var(--muted);
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-item i {
      font-size: 13px;
    }

    .nav-item:hover {
      color: var(--primary);
      background: var(--primary-light);
    }

    .nav-item.active {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 12px rgba(45, 108, 223, 0.3);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 20px;
      border-radius: 50px;
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
      white-space: nowrap;
    }

    .header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
      color: #fff;
    }

    .nav-toggle {
      display: none;
      font-size: 20px;
      color: var(--dark);
      cursor: pointer;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      border: 1px solid var(--border);
      align-items: center;
      justify-content: center;
      background: var(--card);
    }

    /* ========== Page Hero ========== */
    .page-hero {
      position: relative;
      padding: 80px 0 64px;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 79, 191, 0.78)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
      color: #fff;
      overflow: hidden;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      right: -120px;
      top: -120px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
      pointer-events: none;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.75);
      margin-bottom: 16px;
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .breadcrumb i {
      font-size: 10px;
      color: rgba(255, 255, 255, 0.5);
    }

    .page-hero h1 {
      font-size: 42px;
      line-height: 1.2;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .page-hero .subtitle {
      font-size: 17px;
      max-width: 680px;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 24px;
    }

    .hero-tags {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .hero-tags span {
      background: rgba(255, 255, 255, 0.14);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 14px;
      border-radius: 50px;
      font-size: 13px;
      font-weight: 500;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 50px;
      font-size: 15px;
      font-weight: 700;
      transition: var(--transition);
      cursor: pointer;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 26px rgba(245, 158, 11, 0.45);
      color: #fff;
    }

    .btn-outline {
      background: transparent;
      border: 1.5px solid rgba(255, 255, 255, 0.6);
      color: #fff;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      transform: translateY(-2px);
    }

    /* ========== Section 通用 ========== */
    .section {
      padding: 80px 0;
    }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-head .tag {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: 50px;
      margin-bottom: 12px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 10px;
      letter-spacing: 0.3px;
    }

    .section-head p {
      color: var(--muted);
      font-size: 16px;
    }

    /* ========== 入口卡片 ========== */
    .entry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .entry-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .entry-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary);
      opacity: 0;
      transition: var(--transition);
    }

    .entry-card::after {
      content: '';
      position: absolute;
      right: -30px;
      bottom: -30px;
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: var(--primary-light);
      opacity: 0.4;
      transition: var(--transition);
    }

    .entry-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .entry-card:hover::before {
      opacity: 1;
    }

    .entry-card:hover::after {
      transform: scale(1.2);
    }

    .entry-icon {
      width: 56px;
      height: 56px;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
      position: relative;
      z-index: 1;
    }

    .entry-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
      position: relative;
      z-index: 1;
    }

    .entry-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      position: relative;
      z-index: 1;
    }

    .entry-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      position: relative;
      z-index: 1;
    }

    .entry-link:hover {
      gap: 10px;
    }

    /* ========== 流程步骤 ========== */
    .steps-section {
      background: var(--dark);
      padding: 80px 0;
    }

    .steps-section .section-head h2 {
      color: #fff;
    }

    .steps-section .section-head p {
      color: rgba(255, 255, 255, 0.65);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .step-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius);
      padding: 32px 24px;
      text-align: center;
      backdrop-filter: blur(6px);
      transition: var(--transition);
      position: relative;
    }

    .step-card:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-4px);
    }

    .step-num {
      font-size: 44px;
      font-weight: 900;
      color: var(--accent);
      margin-bottom: 12px;
      line-height: 1;
    }

    .step-card h3 {
      font-size: 17px;
      color: #fff;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.6;
    }

    /* ========== 图文拆分 ========== */
    .split-section {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    .split-media {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .split-media img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .split-content h2 {
      font-size: 30px;
      font-weight: 800;
      color: var(--dark);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .split-content p.lead {
      font-size: 15px;
      color: var(--muted);
      margin-bottom: 20px;
    }

    .feature-list {
      display: grid;
      gap: 12px;
    }

    .feature-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 14px 16px;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }

    .feature-list li:hover {
      border-color: var(--primary);
      transform: translateX(4px);
    }

    .feature-list li i {
      color: var(--primary);
      margin-top: 4px;
      font-size: 15px;
    }

    .feature-list li span {
      font-size: 14px;
      color: var(--text);
    }

    /* ========== 指南卡片 ========== */
    .guide-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

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

    .guide-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .guide-cover {
      position: relative;
      overflow: hidden;
    }

    .guide-cover::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 23, 42, 0) 50%, rgba(15, 23, 42, 0.15));
      pointer-events: none;
    }

    .guide-cover img {
      width: 100%;
      height: 170px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .guide-card:hover .guide-cover img {
      transform: scale(1.05);
    }

    .guide-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 50px;
      z-index: 2;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }

    .guide-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .guide-body h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .guide-body p {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 12px;
      flex: 1;
      line-height: 1.65;
    }

    .guide-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--muted);
      border-top: 1px solid var(--border);
      padding-top: 12px;
      margin-top: auto;
    }

    .guide-meta a {
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .guide-meta a:hover {
      gap: 8px;
    }

    /* ========== 数据统计 ========== */
    .stats-section {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      padding: 64px 0;
      color: #fff;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .stat-item h3 {
      font-size: 42px;
      font-weight: 900;
      margin-bottom: 4px;
      letter-spacing: 0.5px;
    }

    .stat-item p {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.85);
    }

    /* ========== FAQ ========== */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.open {
      border-color: var(--primary);
      box-shadow: 0 6px 24px rgba(45, 108, 223, 0.1);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 22px;
      cursor: pointer;
      font-weight: 700;
      font-size: 15px;
      color: var(--dark);
      gap: 16px;
      transition: var(--transition);
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-question i {
      transition: var(--transition);
      color: var(--muted);
      font-size: 14px;
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(180deg);
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }

    .faq-answer-inner {
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    /* ========== CTA ========== */
    .cta-section {
      padding: 70px 0;
    }

    .cta-box {
      background: linear-gradient(135deg, var(--dark), var(--primary-dark));
      border-radius: 24px;
      padding: 56px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      right: -60px;
      top: -60px;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
    }

    .cta-box::after {
      content: '';
      position: absolute;
      left: -40px;
      bottom: -40px;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.12);
    }

    .cta-box h2 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
    }

    .cta-box p {
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 24px;
      font-size: 16px;
      position: relative;
      z-index: 1;
    }

    .cta-buttons {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }

    /* ========== Footer ========== */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 0;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 22px;
      font-weight: 800;
      color: #fff;
    }

    .footer-brand i {
      color: var(--primary);
    }

    .footer-columns {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .footer-col p {
      font-size: 13px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
    }

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

    .footer-links a {
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      transition: var(--transition);
      color: rgba(255, 255, 255, 0.7);
    }

    .footer-links a:hover {
      color: var(--accent);
      padding-left: 4px;
    }

    .footer-links i {
      margin-right: 6px;
      color: var(--accent);
      font-size: 12px;
    }

    .footer-contact li {
      font-size: 14px;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-contact i {
      color: var(--accent);
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 20px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

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

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

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

      .split-section {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .brand-logo {
        font-size: 18px;
      }

      .header-cta {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 14px 0;
        gap: 12px;
      }

      .brand-logo {
        flex: 1;
        font-size: 18px;
      }

      .nav-toggle {
        display: inline-flex;
      }

      .main-nav {
        display: none;
        order: 3;
        width: 100%;
        flex-wrap: wrap;
        border-radius: 16px;
        padding: 10px;
        gap: 8px;
        flex: none;
      }

      .main-nav.nav-open {
        display: flex;
      }

      .nav-item {
        flex: 1 1 calc(50% - 8px);
        justify-content: center;
      }

      .page-hero h1 {
        font-size: 30px;
      }

      .page-hero .subtitle {
        font-size: 15px;
      }

      .section {
        padding: 56px 0;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .split-media img {
        height: 300px;
      }

      .cta-box {
        padding: 40px 24px;
      }

      .cta-box h2 {
        font-size: 24px;
      }

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

      .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .entry-grid,
      .guide-grid,
      .steps-grid,
      .stats-grid {
        grid-template-columns: 1fr;
      }

      .page-hero {
        padding: 56px 0 48px;
      }

      .page-hero h1 {
        font-size: 26px;
      }

      .hero-tags span {
        font-size: 12px;
      }

      .btn {
        width: 100%;
        padding: 14px 20px;
      }

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

      .section-head h2 {
        font-size: 24px;
      }

      .faq-question {
        font-size: 14px;
        padding: 16px;
      }

      .faq-answer-inner {
        padding: 12px 16px 16px;
        font-size: 13px;
      }

      .footer-bottom {
        font-size: 12px;
        padding: 16px 8px;
      }
    }

/* roulang page: article */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --secondary: #f59e0b;
  --secondary-light: #fef3c7;
  --accent: #10b981;
  --bg-body: #f1f5f9;
  --bg-soft: #f8fafc;
  --card: #ffffff;
  --text-main: #0f172a;
  --text-soft: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(15,23,42,0.05);
  --shadow-md: 0 8px 28px rgba(15,23,42,0.08);
  --shadow-lg: 0 18px 44px rgba(15,23,42,0.13);
  --header-height: 74px;
  --container: 1200px;
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.3; font-weight: 700; }
p { margin: 0; }
input, textarea, select { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(37,99,235,0.32);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37,99,235,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}
.btn-light:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.16);
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 3px solid rgba(37,99,235,0.45);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226,232,240,0.7);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-height);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.logo i {
  color: var(--primary);
  font-size: 26px;
  background: var(--primary-light);
  border-radius: 10px;
  padding: 7px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.logo:hover { color: var(--primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  padding: 8px;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-soft);
  white-space: nowrap;
}
.nav-item i { font-size: 14px; color: var(--text-muted); transition: var(--transition); }
.nav-item:hover { background: var(--bg-soft); color: var(--primary); }
.nav-item:hover i { color: var(--primary); }
.nav-item.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(37,99,235,0.3);
}
.nav-item.active i { color: rgba(255,255,255,0.9); }

.nav-toggle {
  display: none;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 9px 13px;
  font-size: 17px;
  color: var(--text-main);
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--bg-soft); }

.article-banner {
  position: relative;
  padding: 96px 0 88px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.86) 0%, rgba(30,64,175,0.68) 100%);
}
.article-banner .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  margin-bottom: 22px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 12px; opacity: 0.6; }
.breadcrumb span { color: rgba(255,255,255,0.95); }

.article-banner h1 {
  font-size: 38px;
  line-height: 1.25;
  color: #fff;
  max-width: 860px;
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.22);
}
.meta-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,0.78);
  font-size: 14px;
}

.article-section {
  background: var(--bg-body);
  padding: 64px 0;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 32px;
  align-items: start;
}
.article-main { min-width: 0; }
.article-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid rgba(226,232,240,0.6);
}
.article-feature-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}
.article-content {
  padding: 36px 40px 44px;
}
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-main);
  margin-top: 2rem;
  margin-bottom: 0.9rem;
}
.article-content h2 { font-size: 26px; }
.article-content h3 { font-size: 21px; }
.article-content h4 { font-size: 18px; }
.article-content p {
  color: var(--text-soft);
  margin-bottom: 1.25rem;
  line-height: 1.9;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.5rem 1.4rem;
  color: var(--text-soft);
  line-height: 1.9;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 0.4rem; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-soft);
  padding: 16px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  color: var(--text-soft);
  font-style: normal;
}
.article-content a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(37,99,235,0.3);
}
.article-content a:hover {
  border-bottom-color: var(--primary);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-content th,
.article-content td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
}
.article-content th {
  background: var(--bg-soft);
  color: var(--text-main);
  font-weight: 600;
}

.article-not-found {
  padding: 80px 40px;
  text-align: center;
}
.article-not-found i {
  font-size: 52px;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: block;
}
.article-not-found h2 {
  font-size: 28px;
  margin-bottom: 10px;
}
.article-not-found p {
  color: var(--text-soft);
  margin-bottom: 28px;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.side-card {
  background: var(--card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(226,232,240,0.6);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  transition: var(--transition);
}
.side-card:hover { box-shadow: var(--shadow-md); }
.side-card h3 {
  font-size: 17px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 9px;
}
.side-card h3 i { color: var(--primary); }
.side-card p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
}
.side-category-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.side-category-list li a i { color: var(--primary); font-size: 13px; }
.side-category-list li a:hover {
  background: var(--bg-soft);
  color: var(--primary);
  padding-left: 18px;
}
.side-contact .contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 10px;
}
.side-contact .contact-item i {
  color: var(--primary);
  width: 20px;
  text-align: center;
}

.category-section {
  background: var(--bg-soft);
  padding: 66px 0;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 44px;
}
.section-header h2 {
  font-size: 30px;
  color: var(--text-main);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.section-header p {
  color: var(--text-soft);
  font-size: 16px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.category-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226,232,240,0.6);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  overflow: hidden;
}
.category-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-light);
  opacity: 0.5;
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.category-card:hover::after {
  transform: scale(1.4);
  opacity: 0.22;
}
.category-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 4px;
}
.category-card h3 {
  font-size: 21px;
  color: var(--text-main);
  position: relative;
  z-index: 1;
}
.category-card p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}
.category-card .btn {
  margin-top: 10px;
  position: relative;
  z-index: 1;
}

.faq-section {
  padding: 66px 0;
  background: var(--card);
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 1020px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px 26px;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}
.faq-item h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--text-main);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.faq-item h3 i {
  color: var(--primary);
  font-size: 14px;
  margin-top: 5px;
  flex-shrink: 0;
}
.faq-item p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.85;
  margin-left: 24px;
}

.cta-section {
  padding: 60px 0;
  background: var(--bg-soft);
}
.cta-box {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #3b82f6 100%);
  border-radius: 28px;
  padding: 56px 48px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(30,58,138,0.35);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.cta-box::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-box h2 {
  color: #fff;
  font-size: 32px;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.3px;
}
.cta-box p {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.site-footer {
  background: #0f172a;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  color: #fff;
}
.footer-brand i {
  color: var(--primary);
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 6px;
  font-size: 22px;
}
.footer-columns {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,0.6);
}
.footer-links li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.footer-links li a i {
  font-size: 12px;
  color: var(--primary);
  transition: var(--transition);
}
.footer-links li a:hover {
  color: #fff;
  padding-left: 5px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.footer-contact li i {
  color: var(--primary);
  width: 20px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .article-banner h1 { font-size: 32px; }
}

@media (max-width: 920px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 14px 0; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: 74px;
    left: 16px;
    right: 16px;
    background: #fff;
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    padding: 12px;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: all 0.3s ease;
    z-index: 100;
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-item {
    padding: 14px 18px;
    width: 100%;
    border-radius: 12px;
  }
  .category-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .article-sidebar { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .article-banner { padding: 64px 0 56px; }
  .article-banner h1 { font-size: 27px; }
  .article-content { padding: 26px 22px 32px; }
  .cta-box { padding: 40px 26px; }
  .cta-box h2 { font-size: 24px; }
  .footer-columns { grid-template-columns: 1fr; gap: 28px; }
  .section-header h2 { font-size: 25px; }
  .article-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 17px; }
  .logo i { width: 34px; height: 34px; font-size: 20px; padding: 5px; }
  .article-banner h1 { font-size: 23px; }
  .article-meta { gap: 8px; }
  .category-card { padding: 28px 22px; }
  .faq-item { padding: 22px 18px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; }
  .footer-columns { gap: 24px; }
}

/* roulang page: category2 */
:root{
  --primary:#2f6bff;
  --primary-600:#1f55e0;
  --primary-50:#edf3ff;
  --accent:#00c9a7;
  --accent-600:#00a88a;
  --accent-50:#e6faf6;
  --bg:#f6f8fd;
  --white:#ffffff;
  --text:#182235;
  --muted:#5f6b7f;
  --border:#e4e9f2;
  --radius-xl:26px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 4px 14px rgba(24,38,61,.06);
  --shadow-md:0 12px 32px rgba(24,38,61,.09);
  --shadow-lg:0 22px 50px rgba(24,38,61,.13);
  --space-section:96px;
  --header-h:84px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;background:none;outline:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
/* ===== Header / 卡片化导航面板 ===== */
.site-header{
  position:sticky;top:16px;z-index:100;
  padding:0 24px;
  margin-top:18px;
}
.header-card{
  max-width:1180px;margin:0 auto;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.75);
  box-shadow:var(--shadow-md);
  border-radius:24px;
  padding:10px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;align-items:center;gap:11px;
  font-weight:800;font-size:19px;line-height:1.2;
  color:var(--text);white-space:nowrap;
}
.brand i{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(47,107,255,.28);
}
.brand em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.main-nav{
  display:flex;align-items:center;gap:6px;
}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:14px;
  font-size:14.5px;font-weight:600;color:var(--text);
  border:1px solid transparent;
  transition:all .25s ease;
  line-height:1.4;
}
.nav-item i{color:var(--muted);transition:color .25s;font-size:15px}
.nav-item:hover{background:var(--primary-50);color:var(--primary);border-color:rgba(47,107,255,.12)}
.nav-item:hover i{color:var(--primary)}
.nav-item.active{
  background:var(--primary);color:#fff;
  box-shadow:0 8px 20px rgba(47,107,255,.32);
}
.nav-item.active i{color:#fff}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),#0ea5a0);
  color:#fff;font-weight:700;font-size:14px;
  box-shadow:0 8px 18px rgba(0,201,167,.28);
  transition:all .25s ease;white-space:nowrap;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,201,167,.4)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--primary-50);color:var(--primary);
  font-size:19px;cursor:pointer;align-items:center;justify-content:center;
  transition:all .25s ease;
}
.nav-toggle:hover{background:var(--primary);color:#fff}
/* ===== Hero / 分类页首屏 ===== */
.hero{
  position:relative;
  margin:22px auto 0;
  max-width:1180px;
  border-radius:var(--radius-xl);
  overflow:hidden;
  min-height:420px;
  display:flex;align-items:center;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  isolation:isolate;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(16,30,62,.88) 0%,rgba(34,62,130,.72) 48%,rgba(0,201,167,.32) 100%);
}
.hero-content{
  padding:64px 56px;
  max-width:760px;
  color:#fff;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  padding:7px 16px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:22px;
}
.hero-badge i{color:#5eead4}
.hero h1{
  font-size:42px;line-height:1.22;font-weight:800;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.hero h1 span{
  background:linear-gradient(135deg,#7dd3fc,#5eead4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{
  font-size:16.5px;line-height:1.85;
  color:rgba(255,255,255,.82);
  margin-bottom:30px;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:14px;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:all .25s ease;line-height:1.4;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#4f8bff);
  color:#fff;
  box-shadow:0 10px 24px rgba(47,107,255,.36);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(47,107,255,.46)}
.btn-ghost{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.26);transform:translateY(-3px)}
/* ===== 通用板块 ===== */
.section{padding:var(--space-section) 0}
.section-head{
  text-align:center;max-width:720px;margin:0 auto 48px;
}
.section-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--primary);
  background:var(--primary-50);
  padding:7px 16px;border-radius:999px;
  margin-bottom:16px;
}
.section-tag.light{color:var(--accent-600);background:var(--accent-50)}
.section-title{
  font-size:34px;line-height:1.3;font-weight:800;
  color:var(--text);
}
.section-sub{
  margin-top:14px;font-size:16px;color:var(--muted);
}
/* ===== 安全数据概览 ===== */
.data-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.data-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:20px;
  padding:30px 26px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  transition:all .3s ease;
  position:relative;overflow:hidden;
}
.data-card::after{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:70px;height:4px;border-radius:0 0 8px 8px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;transition:opacity .3s;
}
.data-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.data-card:hover::after{opacity:1}
.data-icon{
  width:58px;height:58px;border-radius:18px;
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.data-icon.blue{background:var(--primary-50);color:var(--primary)}
.data-icon.green{background:var(--accent-50);color:var(--accent-600)}
.data-icon.orange{background:#fff4e6;color:#f97316}
.data-icon.purple{background:#f3edff;color:#8b5cf6}
.data-num{
  font-size:34px;font-weight:800;line-height:1.2;
  color:var(--text);
}
.data-num small{font-size:16px;font-weight:700;color:var(--muted)}
.data-label{margin-top:6px;font-size:14px;color:var(--muted)}
/* ===== 安全服务体系 ===== */
.two-col{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.text-block h2{
  font-size:30px;line-height:1.35;font-weight:800;margin-bottom:16px;
}
.text-block p{
  color:var(--muted);font-size:15.5px;line-height:1.9;margin-bottom:20px;
}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.feature-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px 18px;
  transition:all .25s ease;
}
.feature-list li:hover{box-shadow:var(--shadow-md);border-color:rgba(47,107,255,.25);transform:translateX(4px)}
.feature-list i{
  flex:0 0 40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.feature-list .fi-blue{background:var(--primary-50);color:var(--primary)}
.feature-list .fi-green{background:var(--accent-50);color:var(--accent-600)}
.feature-list .fi-orange{background:#fff4e6;color:#f97316}
.feature-list .fi-purple{background:#f3edff;color:#8b5cf6}
.feature-list strong{display:block;font-size:15.5px;margin-bottom:3px}
.feature-list span{font-size:13.5px;color:var(--muted);line-height:1.7}
.image-wrap{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.image-wrap img{width:100%;height:100%;object-fit:cover;min-height:360px}
.image-wrap::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(16,30,62,.25),transparent 50%);
}
.float-card{
  position:absolute;bottom:22px;left:22px;right:22px;z-index:2;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-radius:18px;
  padding:18px 22px;
  display:flex;align-items:center;gap:16px;
  box-shadow:var(--shadow-md);
  border:1px solid rgba(255,255,255,.7);
}
.float-card i{
  flex:0 0 48px;height:48px;border-radius:15px;
  background:linear-gradient(135deg,var(--accent),#0ea5a0);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;
}
.float-card strong{font-size:15.5px;display:block;line-height:1.4}
.float-card span{font-size:13px;color:var(--muted)}
/* ===== 安全服务项目卡片 ===== */
.service-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.service-card{
  background:var(--white);
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:all .35s ease;
  display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.service-img{position:relative;height:180px;overflow:hidden}
.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card:hover .service-img img{transform:scale(1.06)}
.service-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(16,30,62,.32),transparent 60%);
}
.service-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--primary);
  font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:999px;
  box-shadow:var(--shadow-sm);
}
.service-body{
  padding:24px 24px 26px;
  display:flex;flex-direction:column;flex:1;
}
.service-body h3{font-size:18px;font-weight:800;margin-bottom:9px}
.service-body p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.service-more{
  margin-top:18px;
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--primary);
  transition:gap .25s ease;
}
.service-more:hover{gap:11px;color:var(--primary-600)}
/* ===== 安全流程 ===== */
.flow-section{
  background:linear-gradient(150deg,#10204a 0%,#173372 55%,#0b5e68 100%);
  border-radius:var(--radius-xl);
  padding:64px 56px;
  color:#fff;
}
.flow-section .section-title{color:#fff}
.flow-section .section-sub{color:rgba(255,255,255,.72)}
.flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  margin-top:44px;position:relative;
}
.flow-step{
  position:relative;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  padding:26px 22px;
  backdrop-filter:blur(8px);
  transition:all .3s ease;
}
.flow-step:hover{background:rgba(255,255,255,.15);transform:translateY(-5px)}
.flow-step::before{
  content:"";position:absolute;top:50%;right:-28px;
  width:26px;height:2px;
  background:linear-gradient(90deg,rgba(94,234,212,.6),transparent);
}
.flow-step:last-child::before{display:none}
.step-num{
  width:46px;height:46px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),#0ea5a0);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;color:#fff;
  margin-bottom:18px;
  box-shadow:0 8px 18px rgba(0,201,167,.32);
}
.flow-step h4{font-size:17px;font-weight:800;margin-bottom:8px}
.flow-step p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.7)}
/* ===== FAQ ===== */
.faq-wrap{
  max-width:860px;margin:0 auto;
  display:flex;flex-direction:column;gap:16px;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .3s ease;
}
.faq-item:hover{border-color:rgba(47,107,255,.3);box-shadow:var(--shadow-md)}
.faq-question{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:21px 26px;
  cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text);
  text-align:left;
  transition:background .25s ease;
}
.faq-question:hover{background:var(--primary-50)}
.faq-question i{
  flex:0 0 32px;height:32px;border-radius:10px;
  background:var(--primary-50);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-question i{
  transform:rotate(180deg);background:var(--primary);color:#fff;
}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease;
}
.faq-answer-inner{
  padding:0 26px 22px;
  color:var(--muted);font-size:14.5px;line-height:1.85;
  border-top:1px dashed var(--border);
  margin:0 26px 0 26px;
  padding:18px 0 22px;
}
/* ===== CTA ===== */
.cta-panel{
  background:linear-gradient(135deg,#1d4ed8,#2f6bff 50%,#00b39b);
  border-radius:var(--radius-xl);
  padding:58px 60px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#fff;
  box-shadow:0 20px 48px rgba(37,80,200,.3);
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:-60px;right:-40px;width:240px;height:240px;
  background:rgba(255,255,255,.08);border-radius:50%;
}
.cta-panel::after{
  content:"";position:absolute;bottom:-80px;left:-30px;width:200px;height:200px;
  background:rgba(0,201,167,.16);border-radius:50%;
}
.cta-text{position:relative;z-index:1}
.cta-text h2{font-size:28px;font-weight:800;margin-bottom:10px}
.cta-text p{font-size:15px;color:rgba(255,255,255,.8);max-width:560px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.btn-white{
  background:#fff;color:var(--primary);
  box-shadow:0 10px 22px rgba(0,0,0,.14);
}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.2)}
.btn-outline-white{
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.6);
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
/* ===== Footer ===== */
.site-footer{
  background:#131d33;
  color:rgba(255,255,255,.68);
  margin-top:96px;
  padding-top:64px;
}
.site-footer .container{max-width:1180px}
.footer-top{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;
}
.footer-brand i{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;
}
.footer-top p{font-size:13px;color:rgba(255,255,255,.45)}
.footer-columns{
  display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:40px;
  padding:42px 0 36px;
}
.footer-col h4{
  color:#fff;font-size:15.5px;font-weight:700;
  margin-bottom:16px;
}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55)}
.footer-links li{margin-bottom:10px}
.footer-links a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.6);
  transition:all .25s ease;
}
.footer-links a i{font-size:12px;color:var(--accent)}
.footer-links a:hover{color:#fff;transform:translateX(4px)}
.footer-contact li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.6);
  margin-bottom:12px;
}
.footer-contact i{color:var(--accent);width:18px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.42);
}
/* ===== 响应式 ===== */
@media(max-width:1024px){
  .data-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .service-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .flow-step::before{display:none}
  .two-col{grid-template-columns:1fr;gap:36px}
  .image-wrap img{min-height:300px}
  .hero-content{padding:50px 40px}
  .hero h1{font-size:34px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:44px 36px}
  .footer-columns{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  :root{--space-section:72px}
  .site-header{top:10px;padding:0 16px}
  .header-card{padding:10px 14px;border-radius:18px}
  .brand{font-size:16px;gap:8px}
  .brand i{width:36px;height:36px;font-size:16px;border-radius:11px}
  .main-nav{
    position:fixed;top:0;right:-100%;width:78%;max-width:340px;height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:88px 22px 30px;gap:10px;
    box-shadow:-20px 0 60px rgba(16,30,62,.2);
    transition:right .35s ease;z-index:200;
  }
  .main-nav.open{right:0}
  .nav-item{padding:14px 18px;font-size:15px}
  .nav-item.active{box-shadow:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .nav-close{
    position:absolute;top:18px;right:18px;
    width:40px;height:40px;border-radius:12px;
    background:var(--primary-50);color:var(--primary);
    font-size:17px;display:flex;align-items:center;justify-content:center;
    cursor:pointer;
  }
  .hero{min-height:340px;border-radius:22px;margin-top:14px}
  .hero-content{padding:40px 26px}
  .hero h1{font-size:28px}
  .hero-desc{font-size:15px}
  .section-title{font-size:28px}
  .data-card{padding:22px 18px}
  .data-num{font-size:28px}
  .service-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .flow-section{padding:44px 24px}
  .cta-panel{padding:38px 24px;border-radius:22px}
  .cta-text h2{font-size:24px}
  .footer-columns{grid-template-columns:1fr;gap:26px}
  .faq-question{font-size:15px;padding:18px 20px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .site-header{margin-top:10px}
  .brand em{display:none}
  .brand::after{content:"平台"}
  .data-grid{grid-template-columns:1fr 1fr;gap:14px}
  .data-num{font-size:24px}
  .data-label{font-size:13px}
  .hero{margin-left:8px;margin-right:8px}
  .hero-content{padding:32px 22px}
  .hero h1{font-size:25px}
  .hero-badge{font-size:12px}
  .hero-actions .btn{padding:12px 18px;font-size:14px}
  .two-col{grid-template-columns:1fr;gap:28px}
  .float-card{padding:14px 16px}
  .float-card strong{font-size:14px}
  .flow-section{padding:36px 18px;border-radius:20px}
  .flow-section .section-sub{font-size:14px}
  .faq-question{padding:16px 16px;font-size:14.5px}
  .faq-answer-inner{margin:0 16px;padding:15px 0 18px}
  .cta-actions .btn{width:100%;justify-content:center}
}