/* roulang page: index */
:root{
  --primary:#1e5eff;
  --primary-dark:#0e3fb8;
  --primary-light:#eaf1ff;
  --accent:#10b981;
  --accent-light:#e6f9f1;
  --bg:#f6f8fc;
  --surface:#ffffff;
  --text:#10233d;
  --text-soft:#61728f;
  --border:#e1e8f2;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 34px rgba(16,35,61,.08);
  --shadow-hover:0 18px 44px rgba(16,35,61,.14);
  --transition:all .28s ease;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-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}
h1,h2,h3,h4,h5,h6{line-height:1.35;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section{padding:72px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-head.left{text-align:left;margin-left:0}
.section-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:12px}
.section-head h2{font-size:34px;letter-spacing:.5px}
.section-head p{color:var(--text-soft);font-size:16px;margin-top:10px}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;padding:12px 24px;border-radius:999px;font-weight:600;border:1px solid transparent;transition:var(--transition);font-size:15px;line-height:1.4}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(30,94,255,.3);color:#fff}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15);color:#fff}
.btn-outline-dark{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline-dark:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#ecf2ff;color:var(--primary-dark)}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-sm{padding:8px 18px;font-size:14px}
.topbar{background:#0d1b2e;color:#94a3b8;font-size:13px;min-height:40px;display:flex;align-items:center}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;width:100%;gap:12px;flex-wrap:wrap}
.topbar-inner i{color:var(--accent);margin-right:6px}
.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)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.5px}
.brand-text{font-size:20px;font-weight:700;color:var(--text);white-space:nowrap}
.main-nav{display:flex;gap:28px;align-items:center}
.nav-link{padding:8px 4px;color:var(--text-soft);font-weight:500;position:relative}
.nav-link.active,.nav-link:hover{color:var(--primary)}
.nav-link.active::after{content:'';position:absolute;left:0;bottom:-2px;width:100%;height:3px;border-radius:3px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--text);line-height:1}
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,22,42,.85),rgba(30,94,255,.58))}
.hero-content{position:relative;z-index:2;color:#fff;max-width:800px;padding:84px 0}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 16px;font-size:14px;margin-bottom:22px}
.hero-content h1{font-size:52px;margin-bottom:18px;letter-spacing:.5px}
.hero-content p{font-size:18px;color:rgba(255,255,255,.88);max-width:640px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:48px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:30px;font-weight:800}
.hero-stats span{font-size:14px;color:rgba(255,255,255,.75)}
.grid-x{margin:0 -12px}
.grid-x > .cell{padding:0 12px}
.service-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;transition:var(--transition);height:100%}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.service-icon{width:52px;height:52px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}
.service-card h3{font-size:20px;margin-bottom:8px}
.service-card p{color:var(--text-soft);font-size:15px;margin-bottom:0}
.section-category{background:linear-gradient(180deg,var(--bg),#eef3fb)}
.category-feature{display:flex;background:var(--surface);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.category-feature img{width:50%;object-fit:cover;min-height:280px}
.category-feature-body{padding:44px;display:flex;flex-direction:column;justify-content:center}
.category-feature-body h2{font-size:32px;margin:14px 0 12px}
.category-feature-body p{color:var(--text-soft);font-size:16px;margin-bottom:24px}
.category-feature-body .btn{align-self:flex-start}
.latest-list{max-width:900px;margin:0 auto}
.news-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;transition:var(--transition);margin-bottom:14px}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.news-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.news-cat{background:var(--primary-light);color:var(--primary);padding:3px 12px;border-radius:999px;font-size:13px;font-weight:600}
.news-card time{color:var(--text-soft);font-size:13px}
.news-card h3{font-size:18px;margin-bottom:6px}
.news-card p{color:var(--text-soft);font-size:15px;margin-bottom:10px}
.news-more{color:var(--primary);font-weight:600;font-size:14px}
.news-more i{margin-left:4px}
.empty-latest{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;color:var(--text-soft)}
.section-process{background:#0d1b2e;color:#fff}
.section-process .section-head p{color:rgba(255,255,255,.7)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.process-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:32px;transition:var(--transition)}
.process-step:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.process-step span{font-size:38px;font-weight:800;color:var(--accent);opacity:.9}
.process-step h3{font-size:19px;margin:14px 0 8px;color:#fff}
.process-step p{color:rgba(255,255,255,.7);font-size:15px;margin:0}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-media img{border-radius:24px;box-shadow:var(--shadow)}
.feature-body .badge{margin-bottom:12px}
.feature-body h2{font-size:32px;margin-bottom:16px}
.feature-list{list-style:none;padding:0;margin:0 0 28px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;color:var(--text-soft)}
.feature-list li i{color:var(--accent);margin-top:5px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item summary{padding:18px 22px;cursor:pointer;font-weight:600;list-style:none;position:relative;padding-right:44px;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{border-bottom:1px solid var(--border)}
.faq-item summary::after{content:'+';position:absolute;right:22px;color:var(--primary);font-weight:700;font-size:22px;transition:var(--transition)}
.faq-item[open] summary::after{content:'−'}
.faq-body{padding:18px 22px;color:var(--text-soft);font-size:15px}
.section-contact{background:linear-gradient(180deg,var(--bg),#eaf1ff)}
.cta-box{background:linear-gradient(135deg,var(--primary),#0e4ad4);border-radius:24px;padding:56px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-40px;right:-40px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.1)}
.cta-box::after{content:'';position:absolute;bottom:-60px;left:-20px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-box h2{font-size:30px;margin-bottom:12px;position:relative;z-index:2}
.cta-box p{color:rgba(255,255,255,.85);margin-bottom:26px;position:relative;z-index:2}
.cta-box .btn{position:relative;z-index:2;margin:0 auto}
.site-footer{background:#0d1b2e;color:#94a3b8;padding-top:60px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px}
.footer-brand-logo{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px;display:inline-block}
.footer-col p{font-size:14px;line-height:1.7;margin-bottom:8px}
.footer-col h4{color:#fff;margin-bottom:14px;font-size:16px}
.footer-col a{display:block;color:#94a3b8;margin-bottom:8px;font-size:14px}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:14px}
@media (max-width:1024px){
  .section{padding:56px 0}
  .hero-content h1{font-size:42px}
  .category-feature img{min-height:200px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .feature-split{grid-template-columns:1fr;gap:32px}
}
@media (max-width:768px){
  .main-nav{position:fixed;top:0;right:-300px;width:300px;height:100vh;background:var(--surface);flex-direction:column;padding:90px 28px 30px;box-shadow:var(--shadow-hover);transition:right .3s ease;z-index:200;gap:16px;align-items:flex-start}
  .main-nav.open{right:0}
  .nav-toggle{display:block;position:relative;z-index:300}
  .header-actions .btn{display:none}
  .hero{min-height:520px}
  .hero-content h1{font-size:34px}
  .hero-content p{font-size:16px}
  .hero-stats{gap:24px}
  .category-feature{flex-direction:column}
  .category-feature img{width:100%;min-height:200px}
  .category-feature-body{padding:28px}
  .process-grid{grid-template-columns:1fr}
  .section-head h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:44px 0}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-content{padding:50px 0}
  .hero-content h1{font-size:29px}
  .news-card{padding:18px}
  .news-card h3{font-size:16px}
  .news-card p{font-size:14px}
  .faq-item summary{font-size:15px}
  .cta-box{padding:36px 22px}
}

/* roulang page: category1 */
:root {
      --primary: #1e3a5f;
      --primary-light: #2563eb;
      --primary-dark: #162d4a;
      --accent: #f59e0b;
      --accent-light: #fbbf24;
      --bg: #f6f8fb;
      --bg-alt: #ffffff;
      --text: #1e293b;
      --text-weak: #5b6b81;
      --border: #e2e8f0;
      --radius: 18px;
      --radius-sm: 10px;
      --shadow: 0 8px 32px rgba(30, 41, 59, .07);
      --shadow-hover: 0 16px 44px rgba(30, 41, 59, .13);
      --transition: .28s ease;
      --container-w: 1200px;
      --spacer-xl: 100px;
      --spacer-lg: 72px;
      --spacer-md: 48px;
    }
    *,
    *::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;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color var(--transition);
    }
    ul {
      list-style: none;
    }
    button,
    input {
      font-family: inherit;
      font-size: inherit;
      border: none;
      outline: none;
      background: none;
    }
    .container {
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
    }
    .section {
      padding: var(--spacer-lg) 0;
    }
    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }
    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(37, 99, 235, .08);
      color: var(--primary-light);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: .04em;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -.01em;
      line-height: 1.25;
      margin-bottom: 12px;
    }
    .section-desc {
      color: var(--text-weak);
      font-size: 16px;
      line-height: 1.8;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-light);
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      padding: 12px 26px;
      border-radius: 999px;
      transition: all var(--transition);
      box-shadow: 0 6px 20px rgba(37, 99, 235, .25);
      cursor: pointer;
    }
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(37, 99, 235, .35);
      color: #fff;
    }
    .btn:active {
      transform: translateY(0);
    }
    .btn-sm {
      padding: 8px 20px;
      font-size: 13px;
      box-shadow: none;
    }
    .btn-outline {
      background: transparent;
      color: var(--primary-light);
      border: 1.5px solid rgba(37, 99, 235, .35);
      box-shadow: none;
      padding: 10px 22px;
    }
    .btn-outline:hover {
      background: rgba(37, 99, 235, .06);
      box-shadow: none;
      color: var(--primary-light);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, .15);
      backdrop-filter: blur(4px);
      border: 1.5px solid rgba(255, 255, 255, .6);
      box-shadow: none;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, .25);
      box-shadow: none;
    }
    
    /* ===== Header / Nav ===== */
    .site-header {
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 999;
      border-bottom: 1px solid var(--border);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 24px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .brand-mark {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary));
      color: #fff;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
      box-shadow: 0 4px 14px rgba(37, 99, 235, .3);
    }
    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -.01em;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      padding: 9px 18px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-weak);
      border-radius: 999px;
      transition: all var(--transition);
    }
    .nav-link:hover {
      color: var(--primary-light);
      background: rgba(37, 99, 235, .06);
    }
    .nav-link.active {
      color: var(--primary-light);
      background: rgba(37, 99, 235, .1);
      font-weight: 700;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: var(--bg);
      color: var(--primary);
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: background var(--transition);
    }
    .nav-toggle:hover {
      background: rgba(37, 99, 235, .1);
    }
    
    /* ===== Hero ===== */
    .hero-banner {
      position: relative;
      background: linear-gradient(120deg, rgba(22, 45, 74, .92) 20%, rgba(30, 58, 95, .65) 60%, rgba(37, 99, 235, .4) 100%), url("/assets/images/backpic/back-2.png") center/cover no-repeat;
      padding: 96px 0 84px;
      color: #fff;
      overflow: hidden;
    }
    .hero-banner::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 75% 20%, rgba(245, 158, 11, .22), transparent 55%);
      pointer-events: none;
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 760px;
    }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .28);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: .04em;
      backdrop-filter: blur(4px);
      margin-bottom: 22px;
    }
    .hero-title {
      font-size: 46px;
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -.02em;
      margin-bottom: 18px;
    }
    .hero-title span {
      color: var(--accent-light);
    }
    .hero-desc {
      font-size: 17px;
      line-height: 1.85;
      color: rgba(255, 255, 255, .88);
      max-width: 620px;
      margin-bottom: 30px;
    }
    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 34px;
      font-size: 13px;
      color: rgba(255, 255, 255, .6);
    }
    .breadcrumb a:hover {
      color: #fff;
    }
    .breadcrumb i {
      font-size: 12px;
    }
    
    /* ===== Featured Cards ===== */
    .featured-section {
      padding: var(--spacer-xl) 0 64px;
    }
    .featured-grid {
      row-gap: 32px;
    }
    .featured-card {
      background: var(--bg-alt);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid rgba(226, 232, 240, .7);
      transition: all var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .featured-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .featured-thumb {
      position: relative;
      height: 200px;
      overflow: hidden;
    }
    .featured-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }
    .featured-card:hover .featured-thumb img {
      transform: scale(1.05);
    }
    .featured-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(4px);
      color: var(--primary-light);
      font-size: 12px;
      font-weight: 700;
      padding: 5px 14px;
      border-radius: 999px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
    }
    .featured-body {
      padding: 26px 24px 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .featured-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--text-weak);
      margin-bottom: 10px;
    }
    .featured-meta .tag {
      background: rgba(37, 99, 235, .08);
      color: var(--primary-light);
      padding: 3px 12px;
      border-radius: 999px;
      font-weight: 600;
      font-size: 12px;
    }
    .featured-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--primary-dark);
      line-height: 1.4;
      margin-bottom: 10px;
      transition: color var(--transition);
    }
    .featured-card:hover .featured-title {
      color: var(--primary-light);
    }
    .featured-desc {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.75;
      margin-bottom: 18px;
      flex: 1;
    }
    .featured-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-light);
    }
    .featured-link i {
      font-size: 13px;
      transition: transform var(--transition);
    }
    .featured-link:hover i {
      transform: translateX(4px);
    }
    
    /* ===== Timeline ===== */
    .timeline-section {
      background: var(--bg-alt);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: var(--spacer-lg) 0;
    }
    .timeline-wrap {
      max-width: 820px;
      margin: 0 auto;
      position: relative;
      padding-left: 40px;
    }
    .timeline-wrap::before {
      content: "";
      position: absolute;
      left: 14px;
      top: 8px;
      bottom: 8px;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary-light), var(--accent));
      border-radius: 2px;
      opacity: .35;
    }
    .timeline-item {
      position: relative;
      padding-bottom: 34px;
    }
    .timeline-item:last-child {
      padding-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -34px;
      top: 6px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary-light);
      border: 3px solid #fff;
      box-shadow: 0 0 0 2px rgba(37, 99, 235, .25), 0 4px 12px rgba(37, 99, 235, .25);
    }
    .timeline-date {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-light);
      letter-spacing: .02em;
      margin-bottom: 4px;
    }
    .timeline-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }
    .timeline-desc {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
      max-width: 640px;
    }
    
    /* ===== Stats ===== */
    .stats-section {
      background: linear-gradient(120deg, rgba(22, 45, 74, .93), rgba(30, 58, 95, .82)), url("/assets/images/backpic/back-3.png") center/cover no-repeat;
      padding: 84px 0;
      color: #fff;
      position: relative;
    }
    .stats-section .section-title,
    .stats-section .section-desc {
      color: #fff;
    }
    .stats-section .section-desc {
      color: rgba(255, 255, 255, .75);
    }
    .stats-grid {
      row-gap: 36px;
    }
    .stat-item {
      text-align: center;
      padding: 24px 16px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: var(--radius);
      backdrop-filter: blur(4px);
      transition: all var(--transition);
    }
    .stat-item:hover {
      background: rgba(255, 255, 255, .14);
      transform: translateY(-4px);
    }
    .stat-number {
      font-size: 42px;
      font-weight: 900;
      color: var(--accent-light);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, .78);
      font-weight: 500;
    }
    
    /* ===== Info Grid ===== */
    .info-section {
      padding: var(--spacer-xl) 0;
    }
    .info-grid-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .info-image {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-hover);
      position: relative;
    }
    .info-image img {
      aspect-ratio: 4/3;
      object-fit: cover;
      width: 100%;
    }
    .info-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(30, 58, 95, .25), transparent 50%);
    }
    .info-content h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .info-content p {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .info-list {
      margin-top: 8px;
    }
    .info-list li {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border);
    }
    .info-list li:last-child {
      border-bottom: none;
    }
    .info-list .icon {
      flex-shrink: 0;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: rgba(37, 99, 235, .1);
      color: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      margin-top: 2px;
    }
    .info-list .item-title {
      font-weight: 700;
      font-size: 15px;
      color: var(--primary-dark);
      margin-bottom: 2px;
    }
    .info-list .item-desc {
      font-size: 13.5px;
      color: var(--text-weak);
      line-height: 1.6;
    }
    
    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg-alt);
      border-top: 1px solid var(--border);
      padding: var(--spacer-lg) 0;
    }
    .faq-wrap {
      max-width: 820px;
      margin: 0 auto;
    }
    .custom-accordion {
      background: transparent;
      border: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .custom-accordion .accordion-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 14px;
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .custom-accordion .accordion-item.is-active {
      border-color: rgba(37, 99, 235, .35);
      box-shadow: var(--shadow);
    }
    .custom-accordion .accordion-title {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary-dark);
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: color var(--transition);
    }
    .custom-accordion .accordion-title::after {
      content: "\f107";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--primary-light);
      transition: transform var(--transition);
    }
    .custom-accordion .accordion-item.is-active .accordion-title::after {
      transform: rotate(180deg);
    }
    .custom-accordion .accordion-title:hover {
      color: var(--primary-light);
    }
    .custom-accordion .accordion-content {
      border: none;
      background: transparent;
      padding: 0 24px 22px;
      color: var(--text-weak);
      font-size: 14.5px;
      line-height: 1.8;
    }
    
    /* ===== CTA ===== */
    .cta-section {
      padding: 84px 0;
      background: linear-gradient(135deg, var(--primary-dark), var(--primary) 65%, var(--primary-light));
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -60px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .06);
    }
    .cta-section::after {
      content: "";
      position: absolute;
      bottom: -100px;
      left: -40px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(245, 158, 11, .12);
    }
    .cta-inner {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 620px;
      margin: 0 auto;
    }
    .cta-inner h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 14px;
      letter-spacing: -.01em;
    }
    .cta-inner p {
      color: rgba(255, 255, 255, .82);
      font-size: 15.5px;
      line-height: 1.85;
      margin-bottom: 28px;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    
    /* ===== Footer ===== */
    .site-footer {
      background: #152337;
      color: rgba(255, 255, 255, .72);
      padding: 64px 0 0;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .footer-brand-logo {
      display: inline-block;
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-col p {
      margin-bottom: 8px;
      line-height: 1.7;
    }
    .footer-col a {
      display: block;
      color: rgba(255, 255, 255, .65);
      padding: 4px 0;
      transition: all var(--transition);
    }
    .footer-col a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-bottom {
      padding: 22px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, .45);
    }
    
    /* ===== Page Loader ===== */
    .page-loader {
      position: fixed;
      inset: 0;
      background: var(--bg);
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: opacity .5s ease, visibility .5s ease;
    }
    .page-loader.hidden {
      opacity: 0;
      visibility: hidden;
    }
    .loader-spinner {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      border: 3px solid var(--border);
      border-top-color: var(--primary-light);
      animation: spin .8s linear infinite;
    }
    @keyframes spin {
      to {
        transform: rotate(360deg);
      }
    }
    
    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .info-grid-wrap {
        gap: 40px;
      }
      .info-content h3 {
        font-size: 24px;
      }
      .hero-title {
        font-size: 38px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .section {
        padding: 56px 0;
      }
      .section-title {
        font-size: 26px;
      }
      .header-inner {
        height: 64px;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-alt);
        flex-direction: column;
        gap: 4px;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0, 0, 0, .08);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: all .3s ease;
      }
      .main-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }
      .main-nav .nav-link {
        display: block;
        width: 100%;
        padding: 12px 16px;
        border-radius: 10px;
      }
      .hero-banner {
        padding: 64px 0 56px;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .info-grid-wrap {
        grid-template-columns: 1fr;
      }
      .info-image {
        order: -1;
      }
      .stats-grid {
        row-gap: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .cta-inner h2 {
        font-size: 26px;
      }
      .featured-thumb {
        height: 170px;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }
      .header-actions .btn {
        display: none;
      }
      .brand-text {
        font-size: 17px;
      }
      .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 15px;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-desc {
        font-size: 14px;
      }
      .hero-actions .btn-ghost {
        display: none;
      }
      .section-title {
        font-size: 22px;
      }
      .section-desc {
        font-size: 14px;
      }
      .timeline-wrap {
        padding-left: 32px;
      }
      .timeline-dot {
        left: -28px;
        width: 12px;
        height: 12px;
      }
      .stat-number {
        font-size: 32px;
      }
      .info-content h3 {
        font-size: 21px;
      }
      .footer-col h4 {
        font-size: 14px;
      }
    }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --c-primary: #0d4f8b;
            --c-primary-dark: #093b6a;
            --c-primary-light: #2b7bc4;
            --c-accent: #f27d42;
            --c-accent-dark: #d9642c;
            --c-bg: #f2f5f9;
            --c-surface: #ffffff;
            --c-surface-soft: #f7f9fc;
            --c-text: #1f2a37;
            --c-text-soft: #54657b;
            --c-muted: #8496ab;
            --c-border: #e1e8f0;
            --c-border-light: #eef1f6;
            --c-success: #22c55e;
            --c-warning: #f59e0b;

            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;

            --shadow-sm: 0 1px 3px rgba(13, 79, 139, .06);
            --shadow-md: 0 8px 28px rgba(13, 79, 139, .09);
            --shadow-lg: 0 18px 44px rgba(13, 79, 139, .15);

            --container-w: 1200px;
            --header-h: 76px;

            --t-fast: .2s ease;
            --t-base: .3s ease;
            --t-slow: .5s ease;

            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(242, 125, 66, .5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 布局容器 ========== */
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ========== 顶部信息条 ========== */
        .topbar {
            background: var(--c-primary-dark);
            color: rgba(255, 255, 255, .88);
            font-size: .85rem;
            padding: .45rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .topbar-welcome {
            display: flex;
            align-items: center;
            gap: .45rem;
        }

        .topbar-welcome i {
            color: var(--c-accent);
        }

        .topbar-domain a {
            color: rgba(255, 255, 255, .95);
            font-weight: 600;
            letter-spacing: .02em;
            transition: color var(--t-fast);
        }

        .topbar-domain a:hover {
            color: var(--c-accent);
        }

        /* ========== 主导航 ========== */
        .site-header {
            background: var(--c-surface);
            box-shadow: 0 1px 0 rgba(13, 79, 139, .06), 0 4px 20px rgba(13, 79, 139, .05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 1.5rem;
            position: relative;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }

        .brand-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1.05rem;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(13, 79, 139, .25);
            letter-spacing: -.02em;
        }

        .brand-text {
            font-size: 1.3rem;
            font-weight: 750;
            color: var(--c-text);
            letter-spacing: -.01em;
        }

        .brand-text:hover {
            color: var(--c-primary);
        }

        .main-nav {
            display: flex;
            gap: .4rem;
            align-items: center;
            margin-left: 2.5rem;
            flex: 1;
        }

        .nav-link {
            padding: .55rem 1.1rem;
            font-size: .95rem;
            font-weight: 550;
            color: var(--c-text-soft);
            border-radius: 999px;
            transition: all var(--t-fast);
            position: relative;
        }

        .nav-link:hover {
            color: var(--c-primary);
            background: rgba(13, 79, 139, .06);
        }

        .nav-link.active {
            color: var(--c-primary);
            background: rgba(13, 79, 139, .1);
            font-weight: 650;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: .75rem;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--c-surface-soft);
            color: var(--c-text);
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--t-fast), color var(--t-fast);
        }

        .nav-toggle:hover {
            background: rgba(13, 79, 139, .08);
            color: var(--c-primary);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .75rem 1.6rem;
            font-size: .95rem;
            font-weight: 600;
            border-radius: 999px;
            cursor: pointer;
            transition: all var(--t-base);
            border: 2px solid transparent;
            line-height: 1.4;
            background: none;
            text-align: center;
        }

        .btn-sm {
            padding: .48rem 1.15rem;
            font-size: .875rem;
        }

        .btn-lg {
            padding: 1rem 2.2rem;
            font-size: 1.05rem;
        }

        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(13, 79, 139, .22);
        }

        .btn-primary:hover {
            background: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 79, 139, .28);
        }

        .btn-outline {
            border-color: var(--c-border);
            color: var(--c-text);
            background: var(--c-surface);
        }

        .btn-outline:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: rgba(13, 79, 139, .04);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--c-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(242, 125, 66, .25);
        }

        .btn-accent:hover {
            background: var(--c-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(242, 125, 66, .32);
        }

        .btn:active {
            transform: scale(.97) translateY(0);
        }

        /* ========== 徽章 / 标签 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            padding: .3rem .9rem;
            font-size: .82rem;
            font-weight: 600;
            border-radius: 999px;
            background: rgba(13, 79, 139, .1);
            color: var(--c-primary);
        }

        .badge-accent {
            background: rgba(242, 125, 66, .14);
            color: var(--c-accent-dark);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: .28rem .85rem;
            font-size: .8rem;
            font-weight: 550;
            border-radius: 999px;
            background: var(--c-surface-soft);
            border: 1px solid var(--c-border);
            color: var(--c-text-soft);
            transition: all var(--t-fast);
            cursor: pointer;
        }

        .tag:hover {
            background: rgba(13, 79, 139, .08);
            border-color: var(--c-primary);
            color: var(--c-primary);
        }

        /* ========== 页面横幅 Banner ========== */
        .page-hero {
            position: relative;
            padding: 4.5rem 0 5rem;
            background: linear-gradient(115deg, rgba(9, 59, 106, .92) 0%, rgba(13, 79, 139, .78) 45%, rgba(43, 123, 196, .5) 100%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .18));
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
            font-size: .88rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 1.8rem;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color var(--t-fast);
        }

        .breadcrumb a:hover {
            color: var(--c-accent);
        }

        .breadcrumb .divider {
            color: rgba(255, 255, 255, .4);
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hero-content .badge {
            margin-bottom: 1rem;
            background: rgba(255, 255, 255, .16);
            color: #fff;
            backdrop-filter: blur(6px);
        }

        .hero-content h1 {
            font-size: clamp(1.75rem, 3.4vw, 2.6rem);
            line-height: 1.35;
            font-weight: 800;
            letter-spacing: -.02em;
            margin-bottom: 1rem;
            max-width: 800px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, .18);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: .9rem;
            color: rgba(255, 255, 255, .8);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        .article-meta i {
            color: var(--c-accent);
        }

        /* ========== 文章主体区块 ========== */
        .article-section {
            padding: 3rem 0 4rem;
        }

        .article-card {
            background: var(--c-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--c-border-light);
            margin-bottom: 2rem;
        }

        .article-feature {
            width: 100%;
            height: auto;
            overflow: hidden;
            border-bottom: 1px solid var(--c-border-light);
        }

        .article-feature img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--t-slow);
        }

        .article-card:hover .article-feature img {
            transform: scale(1.02);
        }

        .article-body {
            padding: 2.2rem 2.4rem 1.8rem;
            font-size: 1.0625rem;
            line-height: 1.95;
            color: var(--c-text);
        }

        .article-body p {
            margin-bottom: 1.3rem;
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 750;
            color: var(--c-text);
            margin: 2rem 0 1rem;
            padding-left: .9rem;
            border-left: 4px solid var(--c-accent);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 1.6rem 0 .8rem;
        }

        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 1.4rem 0 .6rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.3rem 1.4rem;
            padding: 0;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: .45rem;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: .45rem;
        }

        .article-body blockquote {
            background: var(--c-surface-soft);
            border-left: 4px solid var(--c-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 1.1rem 1.4rem;
            margin: 1.5rem 0;
            color: var(--c-text-soft);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body a {
            color: var(--c-primary);
            border-bottom: 1px solid rgba(13, 79, 139, .3);
        }

        .article-body a:hover {
            color: var(--c-accent);
            border-bottom-color: var(--c-accent);
        }

        .article-body code {
            background: var(--c-surface-soft);
            border: 1px solid var(--c-border);
            border-radius: 4px;
            padding: .15rem .45rem;
            font-size: .9em;
            font-family: "SFMono-Regular", Consolas, monospace;
        }

        /* ========== 文章标签 ========== */
        .article-tags {
            padding: 1.2rem 2.4rem 2.2rem;
            border-top: 1px solid var(--c-border-light);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .6rem;
        }

        .article-tags .tag-label {
            font-size: .85rem;
            font-weight: 650;
            color: var(--c-muted);
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        /* ========== 内容未找到 ========== */
        .not-found {
            padding: 5rem 2.5rem;
            text-align: center;
        }

        .not-found i {
            font-size: 3.2rem;
            color: var(--c-accent);
            margin-bottom: 1.2rem;
            display: block;
        }

        .not-found h2 {
            font-size: 1.6rem;
            font-weight: 750;
            color: var(--c-text);
            margin-bottom: .7rem;
        }

        .not-found p {
            color: var(--c-text-soft);
            margin-bottom: 1.6rem;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 侧边栏 ========== */
        .sidebar-item {
            background: var(--c-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--c-border-light);
            padding: 1.6rem;
            margin-bottom: 1.5rem;
        }

        .sidebar-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: .8rem;
            display: flex;
            align-items: center;
            gap: .5rem;
        }

        .sidebar-item h3 i {
            color: var(--c-accent);
        }

        .about-card {
            text-align: center;
        }

        .about-card img {
            border-radius: var(--radius-md);
            margin-bottom: 1.2rem;
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        .about-card h3 {
            justify-content: center;
            margin-bottom: .6rem;
        }

        .about-card p {
            font-size: .875rem;
            color: var(--c-text-soft);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .avatar-group {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: .6rem;
        }

        .avatar {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: .8rem;
            font-weight: 650;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: -8px;
            border: 2px solid var(--c-surface);
            box-shadow: var(--shadow-sm);
        }

        .avatar:first-child {
            margin-left: 0;
        }

        .avatar:nth-child(2) {
            background: var(--c-accent);
        }

        .avatar:nth-child(3) {
            background: #3b82f6;
        }

        .avatar.more {
            background: var(--c-surface-soft);
            color: var(--c-text-soft);
            font-weight: 600;
            font-size: .7rem;
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: .55rem;
        }

        .link-list li {
            margin-bottom: .7rem;
        }

        .link-list a {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: .9rem;
            color: var(--c-text-soft);
            padding: .45rem .7rem;
            border-radius: var(--radius-sm);
            transition: all var(--t-fast);
        }

        .link-list a:hover {
            background: rgba(13, 79, 139, .05);
            color: var(--c-primary);
            padding-left: 1rem;
        }

        .link-list a i {
            width: 22px;
            text-align: center;
            color: var(--c-muted);
            font-size: .85rem;
        }

        .stat-row {
            display: flex;
            justify-content: space-around;
            text-align: center;
            border-top: 1px solid var(--c-border-light);
            padding-top: 1rem;
            margin-top: 1rem;
        }

        .stat-item {
            flex: 1;
        }

        .stat-item strong {
            display: block;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--c-primary);
        }

        .stat-item span {
            font-size: .78rem;
            color: var(--c-muted);
        }

        /* ========== 资讯动态提示条 ========== */
        .topic-strip {
            padding: 0 0 3rem;
        }

        .notice-bar {
            background: linear-gradient(135deg, rgba(13, 79, 139, .06), rgba(242, 125, 66, .08));
            border: 1px solid rgba(13, 79, 139, .12);
            border-radius: var(--radius-md);
            padding: 1.3rem 1.6rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .notice-bar-left {
            display: flex;
            align-items: center;
            gap: .9rem;
            font-size: .95rem;
            color: var(--c-text-soft);
        }

        .notice-bar-left i {
            font-size: 1.4rem;
            color: var(--c-accent);
        }

        .notice-bar-left strong {
            color: var(--c-text);
            font-weight: 650;
        }

        /* ========== FAQ 区块 ========== */
        .faq-section {
            padding: 4rem 0;
            background: var(--c-surface);
            border-top: 1px solid var(--c-border-light);
            border-bottom: 1px solid var(--c-border-light);
        }

        .section-head {
            text-align: center;
            margin-bottom: 2.8rem;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: .8rem;
            font-weight: 650;
            color: var(--c-accent);
            text-transform: uppercase;
            letter-spacing: .1em;
            background: rgba(242, 125, 66, .1);
            padding: .3rem 1rem;
            border-radius: 999px;
            margin-bottom: .8rem;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: -.02em;
            margin-bottom: .6rem;
        }

        .section-head p {
            color: var(--c-text-soft);
            font-size: .95rem;
            max-width: 520px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--c-bg);
            border: 1px solid var(--c-border-light);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.6rem;
            margin-bottom: 1rem;
            transition: all var(--t-base);
        }

        .faq-item:hover {
            background: var(--c-surface);
            box-shadow: var(--shadow-sm);
            border-color: rgba(13, 79, 139, .15);
        }

        .faq-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: .45rem;
            display: flex;
            align-items: center;
            gap: .6rem;
        }

        .faq-item h3 i {
            color: var(--c-accent);
            font-size: .9rem;
        }

        .faq-item p {
            font-size: .9rem;
            color: var(--c-text-soft);
            line-height: 1.7;
            padding-left: 1.6rem;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            padding: 4rem 0;
            background: var(--c-primary-dark);
            background-image: linear-gradient(135deg, rgba(9, 59, 106, .94), rgba(13, 79, 139, .82)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .cta-card {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 800;
            margin-bottom: .8rem;
            letter-spacing: -.02em;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .85);
            font-size: 1rem;
            margin-bottom: 1.8rem;
        }

        .cta-card .btn {
            margin: 0 .35rem .5rem;
        }

        .cta-card .btn-outline {
            border-color: rgba(255, 255, 255, .55);
            color: #fff;
            background: transparent;
        }

        .cta-card .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .1);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0d1b2a;
            color: rgba(255, 255, 255, .78);
            padding-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
        }

        .footer-brand-logo {
            display: inline-block;
            font-size: 1.35rem;
            font-weight: 750;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -.01em;
        }

        .footer-brand-logo:hover {
            color: var(--c-accent);
        }

        .footer-col p {
            font-size: .9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            margin-bottom: .6rem;
        }

        .footer-col h4 {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: .5rem;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--c-accent);
            border-radius: 2px;
        }

        .footer-col a {
            display: block;
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
            padding: .25rem 0;
            transition: all var(--t-fast);
        }

        .footer-col a:hover {
            color: var(--c-accent);
            padding-left: .4rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 1.2rem 0;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .main-nav {
                margin-left: 1rem;
            }

            .header-inner {
                height: auto;
                min-height: var(--header-h);
                flex-wrap: wrap;
                padding-top: .75rem;
                padding-bottom: .75rem;
            }

            .main-nav {
                order: 3;
                width: 100%;
                display: none;
                flex-direction: column;
                gap: .3rem;
                padding: .8rem 0;
                border-top: 1px solid var(--c-border-light);
                margin-left: 0;
            }

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

            .nav-link {
                padding: .7rem 1rem;
                border-radius: var(--radius-sm);
                width: 100%;
            }

            .nav-toggle {
                display: flex;
            }
        }

        @media (max-width: 768px) {
            .topbar-inner {
                flex-direction: column;
                text-align: center;
                gap: .2rem;
            }

            .topbar-welcome {
                justify-content: center;
                font-size: .8rem;
            }

            .page-hero {
                padding: 3rem 0 3.5rem;
            }

            .breadcrumb .current {
                max-width: 160px;
            }

            .article-body {
                padding: 1.5rem 1.2rem 1.2rem;
                font-size: 1rem;
            }

            .article-tags {
                padding: 1rem 1.2rem 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .stat-row {
                flex-wrap: wrap;
                gap: .8rem;
            }

            .stat-item {
                min-width: 100px;
            }

            .notice-bar {
                flex-direction: column;
                text-align: center;
                padding: 1.2rem;
            }

            .notice-bar-left {
                flex-direction: column;
                gap: .4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .header-inner {
                gap: .5rem;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: .95rem;
            }

            .brand-text {
                font-size: 1.12rem;
            }

            .btn-sm {
                padding: .4rem .85rem;
                font-size: .8rem;
            }

            .page-hero {
                padding: 2.4rem 0 3rem;
            }

            .hero-content h1 {
                font-size: 1.5rem;
            }

            .article-section {
                padding: 1.5rem 0 2.5rem;
            }

            .article-meta {
                gap: .6rem;
                font-size: .8rem;
            }

            .faq-section {
                padding: 2.8rem 0;
            }

            .faq-item {
                padding: 1.1rem 1.2rem;
            }

            .faq-item p {
                padding-left: 0;
            }

            .cta-section {
                padding: 3rem 0;
            }

            .cta-card .btn {
                width: 100%;
                margin: .3rem 0;
            }
        }