/* roulang page: index */
:root{
  --primary:#1B5FA8;
  --primary-dark:#14477E;
  --primary-soft:#E8F1FB;
  --accent:#E08A2E;
  --accent-soft:#FDF3E4;
  --teal:#2E9E8F;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --text:#16202B;
  --text-2:#55637A;
  --text-3:#8A94A6;
  --border:#E3E9F2;
  --divider:#EDF1F7;
  --success:#2E8B57;
  --warning:#D9822B;
  --error:#C0392B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-float:20px;
  --s1:0 1px 2px rgba(22,32,43,.04),0 2px 8px rgba(27,95,168,.05);
  --s2:0 4px 12px rgba(22,32,43,.05),0 14px 30px rgba(27,95,168,.08);
  --s3:0 8px 20px rgba(22,32,43,.07),0 22px 48px rgba(27,95,168,.12);
  --gap-section:88px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
h3{font-size:20px;font-weight:600;line-height:1.5}
h4{font-size:17px;font-weight:600;line-height:1.6}
p{margin:0 0 1.4em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--text)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;line-height:1;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--s1)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--surface);color:var(--primary);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#C87722;color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--primary)}
.link-more .arw{transition:transform .2s ease-out}
.link-more:hover .arw{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-block;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;line-height:1.6;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-teal{background:#E4F4F1;color:var(--teal)}
.tag{display:inline-block;padding:4px 10px;border-radius:var(--r-pill);font-size:12.5px;background:var(--bg);color:var(--text-2);border:1px solid var(--border)}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:60;padding-top:24px}
.nav-shell{
  position:fixed;top:24px;left:0;right:0;z-index:80;
  transition:top .2s ease-out;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:64px;padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--border);
  box-shadow:var(--s2);
  transition:height .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.nav-shell.is-scrolled{position:sticky;top:12px}
.nav-shell.is-scrolled .nav-inner{height:56px;background:#FFFFFFF2;box-shadow:var(--s3)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex-shrink:0;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:0;
}
.brand-name{font-size:16px;font-weight:700;color:var(--text);line-height:1.3}
.brand-sub{display:block;font-size:11.5px;font-weight:400;color:var(--text-3);letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-menu a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-menu a.is-active{color:var(--primary);background:var(--primary-soft)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--surface);color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px)}
.hamburger{display:none}
.nav-toggle-panel{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;padding:120px 0 0;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{width:640px;height:640px;top:-220px;left:-180px;background:radial-gradient(circle,rgba(27,95,168,.08),rgba(27,95,168,0) 68%)}
.hero::after{width:520px;height:520px;bottom:-240px;right:-140px;background:radial-gradient(circle,rgba(46,158,143,.07),rgba(46,158,143,0) 70%)}
.hero-grid{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;padding:24px 0 var(--gap-section)}
.hero-copy{grid-column:span 6}
.hero-visual{grid-column:span 6;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:500;letter-spacing:.02em;margin-bottom:20px;
}
.hero-copy h1{margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--text-2);margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-stats{display:flex;align-items:stretch;border-top:1px solid var(--border);padding-top:20px}
.hero-stats div{padding-right:22px;margin-right:22px;border-right:1px solid var(--border);font-size:13px;color:var(--text-2)}
.hero-stats div:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{display:block;font-size:19px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.hero-photo{
  position:relative;border-radius:var(--r-float);overflow:hidden;box-shadow:var(--s2);aspect-ratio:16/11;background:#DCE6F2;
}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,95,168,.18),rgba(27,95,168,0) 62%)}
.hero-mini{
  position:absolute;right:-6px;bottom:-18px;width:42%;
  border-radius:var(--r-img);overflow:hidden;border:6px solid #fff;box-shadow:var(--s3);background:#fff;
}
.hero-mini img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- 通用板块 ---------- */
.section{padding:var(--gap-section) 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;line-height:1.7;max-width:640px}
.section-head .head-right{flex-shrink:0;padding-bottom:6px}

/* ---------- 合集目录 ---------- */
.catalog-grid{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}
.catalog-nav{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:10px;position:sticky;top:96px}
.catalog-nav a{
  display:flex;align-items:center;height:44px;padding:0 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);position:relative;
}
.catalog-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.catalog-nav a.is-current{background:var(--primary-soft);color:var(--primary);font-weight:600}
.catalog-nav a.is-current::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--primary)}
.catalog-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--s3)}
.topic-thumb{aspect-ratio:16/10;overflow:hidden;background:#E7EDF5}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.topic-card:hover .topic-thumb img{transform:scale(1.03)}
.topic-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:18px}
.topic-body p{margin:0;font-size:14px;line-height:1.75;color:var(--text-2)}
.topic-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px}
.topic-foot span{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.topic-foot .arw{color:var(--primary);font-size:17px;transition:transform .2s ease-out}
.topic-card:hover .topic-foot .arw{transform:translateX(4px)}

/* ---------- 精选条目 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pick-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--s3)}
.pick-thumb{aspect-ratio:16/10;overflow:hidden;background:#E7EDF5}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.pick-card:hover .pick-thumb img{transform:scale(1.03)}
.pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pick-body h3{font-size:17px;line-height:1.5}
.pick-body p{margin:0;font-size:13.5px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--text-3)}
.pick-meta time{font-variant-numeric:tabular-nums}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;gap:18px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);
  padding:18px 20px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--s3);border-color:#D6E3F3}
.news-thumb{
  width:96px;height:72px;border-radius:12px;overflow:hidden;flex-shrink:0;background:#E7EDF5;
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-main{flex:1;min-width:0}
.news-main h3{font-size:17px;line-height:1.55;margin-bottom:6px}
.news-main h3 a{color:var(--text)}
.news-main h3 a:hover{color:var(--primary)}
.news-main p{margin:0 0 10px;font-size:13.5px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
.news-meta time{font-variant-numeric:tabular-nums}
.news-item .arw{color:var(--primary);font-size:18px;align-self:center;flex-shrink:0;transition:transform .2s ease-out}
.news-item:hover .arw{transform:translateX(4px)}
.recent-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:22px;
}
.recent-card h3{font-size:17px;margin-bottom:14px}
.recent-card li{border-top:1px solid var(--divider);padding:12px 0}
.recent-card li:first-child{border-top:0;padding-top:0}
.recent-card a{display:block;font-size:14px;line-height:1.6;color:var(--text)}
.recent-card a:hover{color:var(--primary)}
.recent-card time{display:block;margin-top:4px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.empty-state{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:40px 24px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:22px;
}
.empty-state p{margin:0 0 18px;font-size:15px;color:var(--text-3)}

/* ---------- 相关推荐 ---------- */
.related-wrap{max-width:980px;margin:0 auto;padding:0 24px}
.related-row{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:22px;margin-bottom:20px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.related-row:hover{transform:translateY(-3px);box-shadow:var(--s3)}
.related-row.reverse .related-thumb{order:2}
.related-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/11;background:#E7EDF5}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body h3{font-size:18px;margin:10px 0 8px}
.related-body p{margin:0 0 10px;font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- 收藏分享 CTA ---------- */
.share-banner{
  background:var(--primary-soft);border-radius:var(--r-float);
  padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.share-banner h2{font-size:24px;margin-bottom:8px}
.share-banner p{margin:0;font-size:15px;color:var(--text-2);max-width:520px}
.share-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.share-actions .btn-soft{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);font-size:14px;font-weight:500;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.share-actions .btn-soft:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px)}

/* ---------- FAQ ---------- */
.faq-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden}
.faq-item{border-top:1px solid var(--divider)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;transition:background-color .2s ease-out,border-color .2s ease-out;
}
.faq-q:hover{background:var(--bg)}
.faq-item.is-open .faq-q{border-left-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark)}
.faq-sign{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;line-height:1;transition:transform .2s ease-out;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--text-2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);padding:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);border:1px solid var(--border);
  background:var(--surface);line-height:1.6;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,95,168,.14);outline:none}
.field.has-error input,.field.has-error textarea{border-color:var(--error)}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:var(--error);letter-spacing:.02em}
.field.has-error .err{display:block}
.form-ok{
  display:none;margin-bottom:18px;padding:12px 16px;border-radius:var(--r-input);
  background:#E9F6EE;color:var(--success);font-size:14px;
}
.form-ok.is-show{display:block}
.contact-aside li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--divider)}
.contact-aside li:last-child{border-bottom:0}
.contact-aside .dot{
  width:34px;height:34px;border-radius:10px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px;
}
.contact-aside h4{margin-bottom:2px}
.contact-aside p{margin:0;font-size:14px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--gap-section);background:#F1F5FA;border-top:1px solid var(--border);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{font-size:15px;color:var(--primary);margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0 0 14px}
.footer-col li{margin-bottom:10px}
.footer-col li a{font-size:14px;color:var(--text-2)}
.footer-col li a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--border);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{max-width:1200px}
}
@media (max-width:1199px){
  :root{--gap-section:72px}
  .pick-grid{grid-template-columns:repeat(2,1fr)}
  .catalog-cards{grid-template-columns:repeat(2,1fr)}
  .catalog-grid{grid-template-columns:240px 1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:28px}
}
@media (max-width:991px){
  :root{--gap-section:64px}
  .nav-menu,.nav-right .btn{display:none}
  .hamburger{display:inline-flex}
  .nav-toggle-panel{
    display:none;position:absolute;top:76px;left:0;right:0;
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-float);
    box-shadow:var(--s3);padding:10px;z-index:90;
  }
  .nav-toggle-panel.is-open{display:block}
  .nav-toggle-panel a{display:flex;align-items:center;height:48px;padding:0 16px;border-radius:12px;font-size:15px;color:var(--text-2)}
  .nav-toggle-panel a:hover{background:var(--primary-soft);color:var(--primary)}
  .nav-toggle-panel a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600}
  .nav-toggle-panel .panel-cta{padding:12px 6px 6px;border-top:1px solid var(--divider);margin-top:8px}
  .nav-shell{position:absolute}
  .nav-shell.is-scrolled{position:fixed;top:12px}
  .hero{padding-top:104px}
  .hero-grid{grid-template-columns:1fr;padding-bottom:var(--gap-section)}
  .hero-copy,.hero-visual{grid-column:auto}
  .hero-lead{max-width:none}
  .hero-visual{margin-top:12px}
  .catalog-grid{grid-template-columns:1fr}
  .catalog-nav{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:4px}
  .news-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:28px}
}
@media (max-width:767px){
  :root{--gap-section:48px}
  .container{padding:0 16px}
  .related-wrap{padding:0 16px}
  .catalog-cards{grid-template-columns:1fr}
  .pick-grid{grid-template-columns:1fr}
  .related-row{grid-template-columns:1fr;gap:16px}
  .related-row.reverse .related-thumb{order:0}
  .form-row{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head .head-right{padding-bottom:0}
  .share-banner{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;gap:12px}
  .news-thumb{width:100%;height:160px}
  .hero-mini{width:46%;right:8px;bottom:-12px}
}
@media (max-width:575px){
  .hero{padding-top:96px}
  .nav-inner{height:56px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{display:none}
  .faq-q{font-size:15px;padding:18px}
  .faq-a{padding:0 18px 18px}
  .share-actions{width:100%}
  .share-actions .btn,.share-actions .btn-soft{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out !important}
  .topic-card:hover,.pick-card:hover,.news-item:hover,.related-row:hover{transform:none}
  .topic-card:hover .topic-thumb img,.pick-card:hover .pick-thumb img{transform:none}
  .btn:hover,.icon-btn:hover,.share-actions .btn-soft:hover{transform:none}
}

/* roulang page: article */
:root{
  --primary:#1B5FA8;
  --primary-dark:#14477E;
  --primary-soft:#E8F1FB;
  --accent:#E08A2E;
  --accent-soft:#FDF3E4;
  --teal:#2E9E8F;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --surface-2:#F1F5FA;
  --text-1:#16202B;
  --text-2:#55637A;
  --text-3:#8A94A6;
  --border:#E3E9F2;
  --divider:#EDF1F7;
  --ok:#2E8B57;
  --err:#C0392B;
  --r-card:16px;
  --r-img:13px;
  --r-btn:10px;
  --r-pill:999px;
  --r-pop:20px;
  --s1:0 1px 2px rgba(22,32,43,.04), 0 2px 8px rgba(27,95,168,.05);
  --s2:0 4px 12px rgba(22,32,43,.05), 0 14px 30px rgba(27,95,168,.08);
  --s3:0 8px 20px rgba(22,32,43,.07), 0 22px 48px rgba(27,95,168,.12);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:15px;color:var(--text-1);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--s1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--surface);color:var(--primary);border-color:var(--border);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;pointer-events:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);}
.link-more svg{transition:transform .2s ease-out;}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;line-height:1.6;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:#B96C15;}
.badge-teal{background:#E6F4F2;color:#1F7A6E;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:12px;z-index:60;
  padding:0 0 4px;
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:64px;padding:0 12px 0 18px;
  border:1px solid var(--border);border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  box-shadow:var(--s2);
  transition:height .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled .header-inner{height:56px;background:#FFFFFFF2;box-shadow:var(--s3);}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--primary),#2C7BC9);
  color:#fff;font-size:15px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:15.5px;font-weight:700;}
.brand-text small{font-size:11.5px;color:var(--text-3);letter-spacing:.02em;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-menu a:hover{background:var(--primary-soft);color:var(--primary);}
.nav-menu a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:#CFE1F6;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:42px;height:40px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--border);}
.nav-toggle span{display:block;width:17px;height:2px;margin:0 auto;border-radius:2px;background:var(--text-2);transition:background-color .2s ease-out;}
.mobile-panel{
  display:none;margin:10px auto 0;padding:10px;
  border:1px solid var(--border);border-radius:var(--r-pop);
  background:#fff;box-shadow:var(--s3);
}
.mobile-panel a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);border-bottom:1px solid var(--divider);
}
.mobile-panel a:last-of-type{border-bottom:0;}
.mobile-panel a.is-active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
.mobile-panel .btn{margin-top:10px;}
.mobile-panel.is-open{display:block;}

/* ---------- 页面头部 ---------- */
.page-head{padding:36px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C3CCDA;}
.crumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.head-panel{
  position:relative;margin-top:22px;padding:34px 36px 30px;
  border:1px solid var(--border);border-radius:var(--r-pop);
  background:var(--surface);box-shadow:var(--s1);overflow:hidden;
}
.head-panel::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(460px 200px at 8% 0%,rgba(27,95,168,.08),transparent 70%),
    radial-gradient(380px 180px at 92% 100%,rgba(224,138,46,.07),transparent 70%);
  pointer-events:none;
}
.head-panel > *{position:relative;}
.head-panel h1{
  margin-top:14px;font-size:clamp(26px,3.1vw,38px);line-height:1.32;letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin-top:20px;font-size:14px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;padding:0 12px;position:relative;}
.article-meta span:first-child{padding-left:0;}
.article-meta span + span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:14px;background:var(--border);
}
.article-meta .meta-cat{padding-left:0;}
.article-meta .meta-cat::before{display:none;}

/* ---------- 阅读布局 ---------- */
.read-section{padding:34px 0 0;}
.read-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.read-main{max-width:820px;}
.read-card{
  padding:34px 36px 30px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);
}
.article-body{font-size:17px;line-height:1.9;color:var(--text-1);}
.article-body > * + *{margin-top:1.5em;}
.article-body p{margin:0;}
.article-body h2{
  position:relative;margin-top:2.2em;padding-left:14px;
  font-size:clamp(21px,2.1vw,25px);line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1.1em;
  border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin-top:1.8em;}
.article-body h4{font-size:17px;font-weight:600;line-height:1.6;margin-top:1.6em;}
.article-body ul,.article-body ol{padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-top:.6em;}
.article-body ul::marker,.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--primary-soft);border-left:3px solid var(--primary);
  border-radius:8px;color:var(--text-2);font-size:16px;
}
.article-body blockquote p + p{margin-top:.8em;}
.article-body img{border-radius:var(--r-img);width:100%;margin:1.6em 0 .6em;object-fit:cover;background:#EDF1F7;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--r-img);overflow:hidden;
}
.article-body thead th{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;}
.article-body th,.article-body td{
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--divider);
}
.article-body tbody tr:nth-child(even){background:var(--bg);}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-style:dashed;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);text-decoration-style:solid;}
.article-body strong{font-weight:700;}

.article-empty{
  padding:44px 20px;text-align:center;color:var(--text-3);
}
.article-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);
}
.article-empty p{font-size:15px;margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;}
.side-card{
  padding:20px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--s1);
}
.side-card + .side-card{margin-top:18px;}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--primary);margin-bottom:12px;
}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  border-left:3px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.side-list a:hover{background:var(--primary-soft);color:var(--primary);}
.side-list a.is-current{background:var(--primary-soft);color:var(--primary);font-weight:600;border-left-color:var(--primary);}
.side-share{display:flex;flex-direction:column;gap:10px;}
.share-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  background:var(--surface);border:1px solid var(--border);
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.share-item:hover{background:var(--primary-soft);color:var(--primary);border-color:#CFE1F6;}
.side-tip{
  margin-top:16px;padding:14px 16px;border-radius:12px;
  background:var(--primary-soft);color:var(--text-2);font-size:13.5px;line-height:1.7;
}
.side-collapse > summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  font-size:15px;font-weight:600;color:var(--primary);box-shadow:var(--s1);cursor:pointer;
}
.side-collapse > summary::-webkit-details-marker{display:none;}
.side-collapse > summary::after{content:"＋";color:var(--primary);font-weight:600;}
.side-collapse[open] > summary::after{content:"－";}
.side-collapse[open] > summary{margin-bottom:14px;}

/* ---------- 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--divider);}
.tag-row .badge{background:var(--bg);color:var(--text-2);border:1px solid var(--border);}
.share-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;padding:18px 20px;border-radius:var(--r-card);
  background:var(--primary-soft);
}
.share-bar .share-label{font-size:14.5px;font-weight:600;color:var(--primary-dark);margin-right:auto;}
.share-bar .btn{height:42px;}
.mini-btn{
  display:inline-flex;align-items:center;gap:7px;height:42px;padding:0 16px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--border);
  font-size:14px;color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.mini-btn:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px);}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;}
.pager-card{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--s1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.pager-card:hover{box-shadow:var(--s2);transform:translateY(-3px);border-color:#CFE1F6;}
.pager-card .pager-label{font-size:12.5px;color:var(--text-3);letter-spacing:.02em;}
.pager-card .pager-title{font-size:15.5px;font-weight:600;color:var(--text-1);line-height:1.6;}
.pager-card.is-empty{background:var(--surface-2);border-style:dashed;box-shadow:none;}
.pager-card.is-empty:hover{transform:none;box-shadow:none;}
.pager-card.align-right{text-align:right;align-items:flex-end;}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--text-2);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.rel-card:hover{box-shadow:var(--s3);transform:translateY(-3px);}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDF1F7;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.back-row{display:flex;justify-content:center;margin-top:36px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin-top:64px;padding:34px 36px;border-radius:var(--r-pop);
  background:var(--primary-soft);border:1px solid #D6E6F8;
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-2);}
.cta-actions{margin-left:auto;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;padding:56px 0 26px;background:var(--surface-2);border-top:1px solid var(--border);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--primary);margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .read-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .article-side{position:static;}
  .read-main{max-width:100%;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .head-panel{padding:26px 22px 24px;}
  .read-card{padding:26px 22px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0 0;}
  .page-head{padding:24px 0 0;}
  .head-panel h1{font-size:26px;}
  .article-body{font-size:16.5px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .pager{grid-template-columns:1fr;}
  .pager-card.align-right{text-align:left;align-items:flex-start;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-actions{margin-left:0;width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575px){
  .brand-text small{display:none;}
  .btn{width:100%;}
  .mini-btn{flex:1;}
  .share-bar .share-label{width:100%;}
  .article-meta span{padding:0 8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .rel-card:hover,.pager-card:hover,.btn:hover,.mini-btn:hover{transform:none !important;}
  .rel-card:hover .rel-thumb img{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --primary:#1B5FA8;
  --primary-dark:#14477E;
  --primary-soft:#E8F1FB;
  --accent:#E08A2E;
  --accent-soft:#FDF3E4;
  --teal:#2E9E8F;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --text-1:#16202B;
  --text-2:#55637A;
  --text-3:#8A94A6;
  --border:#E3E9F2;
  --divider:#EDF1F7;
  --success:#2E8B57;
  --warning:#D9822B;
  --error:#C0392B;
  --footer-bg:#F1F5FA;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(22,32,43,.04),0 2px 8px rgba(27,95,168,.05);
  --s2:0 4px 12px rgba(22,32,43,.05),0 14px 30px rgba(27,95,168,.08);
  --s3:0 8px 20px rgba(22,32,43,.07),0 22px 48px rgba(27,95,168,.12);
  --container:1280px;
  --section:88px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--primary-dark)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:20px 0 8px;
}
.nav-wrap{position:relative}
.nav-bar{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
  padding:0 10px 0 16px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:var(--s2);
  transition:height .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled .nav-bar{
  height:56px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--s3);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:11px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:15.5px;font-weight:700;color:var(--text-1)}
.brand-sub{font-size:12.5px;color:var(--text-3)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:background .2s ease-out,color .2s ease-out;
}
.nav-menu a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-menu a.is-active{color:var(--primary);background:var(--primary-soft);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--border);color:var(--text-2);align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--s1)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:var(--border)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}
[disabled],.is-disabled{opacity:.4;pointer-events:none;cursor:not-allowed}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary)}
.text-link .arrow{transition:transform .2s ease-out}
.text-link:hover .arrow{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;line-height:1.6;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:#B96C14}
.badge-teal{background:#E4F4F1;color:#1F7A6E}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#C6D0DE}
.crumbs .current{color:var(--text-2)}

/* ============ 内页首屏 ============ */
.page-hero{
  position:relative;
  padding:36px 0 0;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 8% -6%,rgba(27,95,168,.08),transparent 68%),
    radial-gradient(560px 320px at 96% 4%,rgba(224,138,46,.06),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.hero-card{
  margin-top:22px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:var(--s2);
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  align-items:stretch;
}
.hero-copy{padding:44px 44px 40px}
.hero-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
  color:var(--text-1);
}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:52ch}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:flex;align-items:stretch;margin-top:30px;
  border-top:1px solid var(--divider);padding-top:20px;
}
.hero-stats .stat{flex:1;padding-right:16px}
.hero-stats .stat + .stat{border-left:1px solid var(--border);padding-left:18px}
.stat-num{font-size:19px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.4}
.stat-label{font-size:13px;color:var(--text-2)}
.hero-figure{position:relative;min-height:300px}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,95,168,.18),rgba(27,95,168,0));
}

/* ============ 主体布局 ============ */
.main{padding:var(--section) 0 0}
.layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  padding:20px;
}
.side-title{font-size:15px;font-weight:600;color:var(--primary);margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);position:relative;
  transition:background .2s ease-out,color .2s ease-out;
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:var(--r-pill);background:transparent;transition:background .2s ease-out;
}
.toc-list a:hover{background:var(--primary-soft);color:var(--primary)}
.toc-list a.is-current{background:var(--primary-soft);color:var(--primary);font-weight:600}
.toc-list a.is-current::before{background:var(--primary)}
.toc-count{margin-left:auto;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.side-card.soft{background:var(--primary-soft);border-color:#D5E5F7}
.side-card.soft .side-title{color:var(--primary-dark)}
.tips{display:flex;flex-direction:column;gap:12px}
.tips li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--text-2)}
.tips .dot{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--surface);color:var(--primary);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}

/* ============ 内容标题行 ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:30px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.35;color:var(--text-1);
}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:64ch}

/* ============ 条目分组与列表 ============ */
.group{margin-bottom:40px}
.group:last-child{margin-bottom:0}
.group-head{
  display:flex;align-items:center;gap:12px;
  padding-bottom:12px;margin-bottom:18px;
  border-bottom:1px solid var(--divider);
}
.group-index{
  width:30px;height:30px;border-radius:50%;flex:0 0 auto;
  border:2px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.group-head h3{font-size:19px;font-weight:600;color:var(--text-1)}
.group-head .group-note{margin-left:auto;font-size:13px;color:var(--text-3)}

.entry-list{display:flex;flex-direction:column;gap:16px}
.entry{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:22px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:18px;
  box-shadow:var(--s1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.entry:hover{box-shadow:var(--s2);transform:translateY(-3px);border-color:#D8E3F1}
.entry-thumb{
  width:220px;height:140px;border-radius:var(--r-img);overflow:hidden;
  background:#EDF1F7;display:block;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.entry:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.entry-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.entry-time{font-size:14px;color:var(--text-3);font-variant-numeric:tabular-nums}
.entry-title{font-size:19px;font-weight:600;line-height:1.5;color:var(--text-1)}
.entry-title a{color:inherit}
.entry-title a:hover{color:var(--primary)}
.entry-desc{
  font-size:14.5px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:3px 10px;border-radius:var(--r-pill);
  font-size:12.5px;background:var(--divider);color:var(--text-2);
}
.tag.teal{background:#E4F4F1;color:#1F7A6E}

/* ============ 补充说明 ============ */
.extra{
  padding:var(--section) 0 0;
}
.extra-card{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--s2);
}
.extra-figure{position:relative;min-height:280px;background:#EDF1F7}
.extra-figure img{width:100%;height:100%;object-fit:cover}
.extra-body{padding:40px 44px}
.extra-body h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.35}
.extra-body p{margin-top:16px;font-size:15.5px;color:var(--text-2)}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-1);
  padding:12px 14px;border-radius:12px;background:var(--bg);border:1px solid var(--divider);
}
.check-list .ico{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:2px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}

/* ============ 底部 CTA ============ */
.cta-band{padding:var(--section) 0 0}
.cta-card{
  background:var(--primary-soft);
  border:1px solid #D5E5F7;
  border-radius:20px;
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.4;color:var(--primary-dark)}
.cta-card p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:60ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--section);
  background:var(--footer-bg);
  border-top:1px solid var(--border);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-col h4{font-size:15px;font-weight:600;color:var(--primary);margin-bottom:14px}
.footer-col p{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:10px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  :root{--container:1200px}
}
@media (max-width:1199px){
  .layout{grid-template-columns:240px minmax(0,1fr);gap:24px}
  .entry{grid-template-columns:190px minmax(0,1fr)}
  .entry-thumb{width:190px;height:122px}
}
@media (max-width:991px){
  :root{--section:64px}
  .nav-menu{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:var(--surface);border:1px solid var(--border);
    border-radius:20px;box-shadow:var(--s3);padding:10px;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu a{height:48px;border-radius:12px;padding:0 14px;border-bottom:1px solid var(--divider)}
  .nav-menu a:last-child{border-bottom:0}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
  .hero-card{grid-template-columns:1fr}
  .hero-figure{min-height:240px;order:-1}
  .hero-copy{padding:32px 28px}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:16px}
  .sidebar .side-card{flex:1 1 320px}
  .extra-card{grid-template-columns:1fr}
  .extra-body{padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  :root{--section:48px}
  .site-header{padding:14px 0 6px}
  .brand-sub{display:none}
  .entry{grid-template-columns:1fr;gap:14px;padding:16px}
  .entry-thumb{width:100%;height:180px}
  .hero-copy{padding:28px 20px}
  .hero-btns .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
  .cta-card{padding:26px 20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .hero-stats{display:none}
  .nav-bar{height:56px}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
  .brand-name{font-size:14.5px}
  .group-head{flex-wrap:wrap}
  .group-head .group-note{margin-left:0;width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out!important;animation:none!important}
  html{scroll-behavior:auto}
  .entry:hover,.btn:hover,.icon-btn:hover{transform:none!important}
  .entry:hover .entry-thumb img{transform:none!important}
}

/* roulang page: category2 */
:root{
  --primary:#1B5FA8;
  --primary-dark:#14477E;
  --primary-soft:#E8F1FB;
  --accent:#E08A2E;
  --accent-soft:#FDF3E4;
  --teal:#2E9E8F;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --text-1:#16202B;
  --text-2:#55637A;
  --text-3:#8A94A6;
  --border:#E3E9F2;
  --divider:#EDF1F7;
  --success:#2E8B57;
  --warning:#D9822B;
  --error:#C0392B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(22,32,43,.04),0 2px 8px rgba(27,95,168,.05);
  --s2:0 4px 12px rgba(22,32,43,.05),0 14px 30px rgba(27,95,168,.08);
  --s3:0 8px 20px rgba(22,32,43,.07),0 22px 48px rgba(27,95,168,.12);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1);}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
h4{font-size:17px;font-weight:600;line-height:1.6;}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-family:system-ui,-apple-system,sans-serif;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:0 24px;
}
.nav-shell{
  max-width:1280px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--border);
  box-shadow:var(--s2);
  transition:height var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled .nav-shell{
  height:56px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--s3);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16.5px;
  color:var(--text-1);
  white-space:nowrap;
}
.logo:hover{color:var(--primary-dark);}
.logo-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,#3E81C4 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:700;
  flex:0 0 auto;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-menu a{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
}
.nav-menu a:hover{color:var(--primary);background:var(--primary-soft);}
.nav-menu a.is-active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);background:var(--primary-soft);border-color:#CFE0F3;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:all var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--s1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#CFE0F3;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px;}
.hamburger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
  padding:0;
}
.hamburger span{display:block;width:16px;height:2px;background:var(--text-2);border-radius:2px;transition:all var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  max-width:1280px;
  margin:0 auto;
  padding:22px 24px 0;
  font-size:14px;
  color:var(--text-3);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"›";color:#B9C3D2;}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text-2);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  margin-top:24px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,71,126,.90) 0%,rgba(27,95,168,.82) 52%,rgba(27,95,168,.52) 100%);
}
.hero-inner{
  position:relative;
  z-index:1;
  padding:78px 24px 72px;
  max-width:1280px;
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.hero h1{color:#fff;max-width:16em;}
.hero-sub{
  margin-top:18px;
  color:rgba(255,255,255,.88);
  font-size:17px;
  line-height:1.8;
  max-width:34em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;
  letter-spacing:.02em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero .btn-ghost{background:rgba(255,255,255,.96);}
.hero-side{
  background:rgba(255,255,255,.96);
  border-radius:20px;
  box-shadow:var(--s3);
  padding:24px;
  border:1px solid rgba(255,255,255,.6);
}
.hero-side h4{color:var(--primary-dark);}
.hero-side ul{margin-top:14px;display:grid;gap:12px;}
.hero-side li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14.5px;
  color:var(--text-2);
  padding-bottom:12px;
  border-bottom:1px solid var(--divider);
}
.hero-side li:last-child{border-bottom:0;padding-bottom:0;}
.hero-side .idx{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- 板块 ---------- */
.section{padding:72px 0 0;}
.section:last-of-type{padding-bottom:0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:30px;
}
.section-head .lead{color:var(--text-2);font-size:15px;margin-top:10px;max-width:44em;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
  white-space:nowrap;
}
.link-more .arrow{transition:transform var(--ease);}
.link-more:hover .arrow{transform:translateX(4px);}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.chip{
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:500;
  transition:all var(--ease);
}
.chip:hover{color:var(--primary);background:var(--primary-soft);border-color:#CFE0F3;}
.chip.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  font-weight:600;
  box-shadow:var(--s1);
}

/* ---------- 卡片墙 ---------- */
.card-wall{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.wall-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.wall-card:hover{transform:translateY(-3px);box-shadow:var(--s3);}
.wall-card.is-hidden{display:none;}
.wall-thumb{
  position:relative;
  padding-top:62.5%;
  overflow:hidden;
  background:#EDF1F7;
}
.wall-thumb img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--ease);
}
.wall-card:hover .wall-thumb img{transform:scale(1.03);}
.badge-accent{
  position:absolute;
  top:12px;left:12px;
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12.5px;
  font-weight:600;
  line-height:1.6;
  letter-spacing:.02em;
  border:1px solid rgba(224,138,46,.28);
}
.wall-body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12.5px;
  font-weight:500;
  line-height:1.6;
  letter-spacing:.02em;
}
.badge-teal{background:rgba(46,158,143,.12);color:#1F7A6E;}
.wall-body h3{font-size:19px;line-height:1.45;}
.wall-body .desc{
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.wall-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--divider);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13.5px;
  color:var(--text-3);
}
.wall-foot .go{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;
}
.wall-foot .go .arrow{transition:transform var(--ease);}
.wall-card:hover .wall-foot .go .arrow{transform:translateX(4px);}

/* ---------- 速览区 ---------- */
.brief{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:24px;
  align-items:start;
}
.rank-list{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  padding:8px 22px;
}
.rank-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:18px 0;
  border-bottom:1px solid var(--divider);
}
.rank-item:last-child{border-bottom:0;}
.rank-no{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:10px;
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:700;
  font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.rank-item:nth-child(1) .rank-no{background:var(--accent-soft);color:var(--accent);}
.rank-main{flex:1;min-width:0;}
.rank-main h4{font-size:16px;margin-bottom:4px;}
.rank-main p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.7;
  margin:0;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.rank-time{
  flex:0 0 auto;
  color:var(--text-3);
  font-size:13.5px;
}
.side-note{
  background:var(--primary-soft);
  border-radius:var(--r-card);
  padding:24px;
  border:1px solid #D5E6F8;
}
.side-note h3{font-size:18px;color:var(--primary-dark);margin-bottom:12px;}
.side-note p{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.side-note ul{margin-top:16px;display:grid;gap:10px;}
.side-note li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.side-note li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--primary);
}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  padding:8px 24px;
}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .plus{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:18px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease);
}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .plus{transform:rotate(45deg);}
.faq-a{
  display:none;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  padding:0 0 20px 14px;
  border-left:3px solid var(--primary-soft);
  margin-left:2px;
}
.faq-item.is-open .faq-a{display:block;border-left-color:var(--primary);}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  background:var(--primary-soft);
  border:1px solid #D5E6F8;
  border-radius:20px;
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-banner h2{font-size:26px;color:var(--primary-dark);}
.cta-banner p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:40em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:#F1F5FA;
  border-top:1px solid var(--border);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));
  gap:36px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:16px;
}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.8;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container,.nav-shell,.breadcrumb,.hero-inner{max-width:1200px;}
}
@media (max-width:1199px){
  .card-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .site-header{padding:0 16px;}
  .nav-menu{
    display:none;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border:1px solid var(--border);
    border-radius:20px;
    box-shadow:var(--s3);
    padding:8px;
    margin-left:0;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{
    height:48px;
    border-radius:12px;
    border-bottom:1px solid var(--divider);
  }
  .nav-menu a:last-child{border-bottom:0;}
  .nav-shell{position:relative;gap:12px;}
  .hamburger{display:flex;margin-left:auto;}
  .nav-actions .icon-btn{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:64px 24px 56px;}
  .brief{grid-template-columns:1fr;}
  .section{padding-top:64px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:767px){
  .container,.breadcrumb{padding-left:16px;padding-right:16px;}
  .hero-inner{padding:52px 16px 48px;}
  .hero h1{font-size:31px;}
  .card-wall{grid-template-columns:1fr;}
  .section{padding-top:48px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-banner{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:48px;}
  .rank-item{flex-wrap:wrap;gap:12px;}
  .rank-time{width:100%;text-align:left;}
}
@media (max-width:575px){
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .hero-actions{flex-direction:column;}
  .hero-tags{display:none;}
  .faq-q{font-size:15px;}
  .cta-actions{flex-direction:column;width:100%;}
  .nav-shell{height:56px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:background-color var(--ease),color var(--ease),border-color var(--ease) !important;}
  .wall-card:hover{transform:none;}
  .wall-card:hover .wall-thumb img{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --primary:#1B5FA8;
  --primary-dark:#14477E;
  --primary-soft:#E8F1FB;
  --accent:#E08A2E;
  --accent-soft:#FDF3E4;
  --teal:#2E9E8F;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --text:#16202B;
  --text-2:#55637A;
  --text-3:#8A94A6;
  --border:#E3E9F2;
  --divider:#EDF1F7;
  --success:#2E8B57;
  --warning:#D9822B;
  --error:#C0392B;

  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;
  --r-float:20px;

  --s1:0 1px 2px rgba(22,32,43,.04), 0 2px 8px rgba(27,95,168,.05);
  --s2:0 4px 12px rgba(22,32,43,.05), 0 14px 30px rgba(27,95,168,.08);
  --s3:0 8px 20px rgba(22,32,43,.07), 0 22px 48px rgba(27,95,168,.12);

  --space-section:88px;
  --container:1280px;
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{list-style:none;}
table{border-collapse:collapse;width:100%;}
.num{font-variant-numeric:tabular-nums;font-family:system-ui,-apple-system,sans-serif;}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ===== 导航 ===== */
.site-header{
  position:absolute;
  top:24px;
  left:0;
  right:0;
  z-index:60;
  transition:top .2s ease-out;
}
.site-header.is-stuck{
  position:fixed;
  top:12px;
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
  padding:0 12px 0 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:var(--r-badge);
  box-shadow:var(--s2);
  transition:height .2s ease-out, box-shadow .2s ease-out, background .2s ease-out;
}
.site-header.is-stuck .nav-shell{
  height:56px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--s3);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--primary),#2B7FD4);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:-.02em;
  box-shadow:0 4px 10px rgba(27,95,168,.28);
}
.brand-text{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  letter-spacing:-.01em;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-menu a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-badge);
  transition:color .2s ease-out, background .2s ease-out;
}
.nav-menu a:hover{color:var(--primary);background:var(--primary-soft);}
.nav-menu a.is-active{color:var(--primary);background:var(--primary-soft);}
.nav-tools{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
}
.icon-btn{
  width:40px;
  height:40px;
  border:1px solid var(--border);
  background:var(--surface);
  border-radius:var(--r-badge);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:var(--text-2);
  transition:background .2s ease-out, color .2s ease-out, border-color .2s ease-out;
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:#CFE1F6;}
.icon-btn svg{width:18px;height:18px;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 22px;
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-badge);
  transition:background .2s ease-out, transform .2s ease-out;
}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);}
.burger{display:none;}

.search-panel{
  display:none;
  margin-top:10px;
  padding:12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-float);
  box-shadow:var(--s3);
}
.search-panel.is-open{display:block;}
.search-panel form{display:flex;gap:10px;}
.search-panel input{
  flex:1;
  height:46px;
  padding:0 16px;
  border:1px solid var(--border);
  border-radius:var(--r-input);
  background:var(--bg);
  font-size:15px;
}
.search-panel input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(27,95,168,.12);
  background:#fff;
}
.search-panel button{
  height:46px;
  padding:0 22px;
  border:none;
  border-radius:var(--r-input);
  background:var(--primary);
  color:#fff;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease-out;
}
.search-panel button:hover{background:var(--primary-dark);}

.mobile-menu{
  display:none;
  margin-top:10px;
  padding:8px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-float);
  box-shadow:var(--s3);
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-bottom:1px solid var(--divider);
}
.mobile-menu a:last-of-type{border-bottom:none;}
.mobile-menu a.is-active{color:var(--primary);}
.mobile-menu .m-cta{
  display:flex;
  justify-content:center;
  height:48px;
  margin-top:8px;
  background:var(--primary);
  color:#fff;
  font-weight:600;
  border-radius:var(--r-badge);
  border-bottom:none;
}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:150px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 12% 8%, rgba(27,95,168,.10), transparent 62%),
    radial-gradient(700px 380px at 92% 88%, rgba(27,95,168,.08), transparent 66%),
    linear-gradient(180deg, rgba(246,248,251,.94) 0%, rgba(246,248,251,.90) 62%, rgba(246,248,251,.98) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:900px;}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);transition:color .2s ease-out;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C3CCDA;}
.breadcrumb .current{color:var(--text-2);}

.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  font-size:12.5px;
  font-weight:500;
  line-height:1.6;
  letter-spacing:.02em;
  border-radius:var(--r-badge);
  background:var(--primary-soft);
  color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.badge-teal{background:#E3F4F2;color:var(--teal);}

.hero h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin:18px 0 16px;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  font-size:15.5px;
  font-weight:600;
  border-radius:var(--r-badge);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease-out, color .2s ease-out, border-color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(27,95,168,.20);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border);}
.btn-ghost:hover{background:var(--primary-soft);border-color:#CFE1F6;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#C9781F;transform:translateY(-1px);}

.hero-stats{
  display:flex;
  flex-wrap:wrap;
  margin-top:38px;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.82);
  box-shadow:var(--s1);
  overflow:hidden;
}
.hero-stats li{
  flex:1 1 0;
  min-width:150px;
  padding:16px 20px;
  border-right:1px solid var(--border);
}
.hero-stats li:last-child{border-right:none;}
.hero-stats .k{font-size:13px;color:var(--text-3);}
.hero-stats .v{font-size:19px;font-weight:700;color:var(--text);margin-top:2px;}

/* ===== 板块 ===== */
.section{padding:var(--space-section) 0;}
.section-soft{background:#fff;border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.35;
}
.section-head p{
  margin-top:12px;
  font-size:16px;
  color:var(--text-2);
}
.section-head.with-link{
  max-width:none;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
}
.text-link .arrow{transition:transform .2s ease-out;}
.text-link:hover .arrow{transform:translateX(4px);}

/* ===== 时间轴 / 编号步骤流 ===== */
.timeline{
  position:relative;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:21px;
  top:12px;
  bottom:12px;
  width:2px;
  background:var(--border);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:44px 1fr;
  gap:24px;
  padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:relative;
  z-index:1;
  width:44px;
  height:44px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  box-shadow:0 2px 8px rgba(27,95,168,.12);
}
.tl-item:nth-child(3) .tl-node,
.tl-item:nth-child(5) .tl-node{border-color:var(--accent);color:var(--accent);}
.tl-body{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--s1);
  transition:box-shadow .2s ease-out, transform .2s ease-out;
}
.tl-body:hover{box-shadow:var(--s3);transform:translateY(-3px);}
.tl-body h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.tl-body p{font-size:16px;color:var(--text-2);line-height:1.85;}
.tl-body p + p{margin-top:12px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-media{
  margin-top:18px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
  background:#EDF1F7;
}
.tl-media img{
  width:100%;
  aspect-ratio:16/7;
  object-fit:cover;
  transition:transform .2s ease-out;
}
.tl-body:hover .tl-media img{transform:scale(1.03);}

.info-strip{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin-top:34px;
  padding:18px 22px;
  background:var(--primary-soft);
  border-radius:var(--r-card);
  border-left:3px solid var(--primary);
}
.info-strip .ico{
  flex-shrink:0;
  width:34px;
  height:34px;
  border-radius:50%;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-weight:700;
  font-size:15px;
}
.info-strip p{font-size:15px;color:var(--text-2);}

/* ===== 对比表 ===== */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--surface);
  box-shadow:var(--s1);
  -webkit-overflow-scrolling:touch;
}
table.cmp-table{min-width:720px;}
table.cmp-table thead th{
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:15px;
  font-weight:600;
  text-align:left;
  padding:16px 20px;
  white-space:nowrap;
}
table.cmp-table tbody td{
  padding:16px 20px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
  border-top:1px solid var(--divider);
  vertical-align:top;
}
table.cmp-table tbody tr:nth-child(even){background:#FAFBFD;}
table.cmp-table tbody td:first-child{
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.table-note{margin-top:16px;font-size:14px;color:var(--text-3);}

/* ===== FAQ ===== */
.faq-list{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 62px 20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  border-left:3px solid transparent;
  transition:background .2s ease-out, border-color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:18px;
  font-weight:600;
  line-height:26px;
  text-align:center;
  transition:transform .2s ease-out;
}
.faq-item summary:hover{background:#FAFBFD;}
.faq-item[open] summary{
  border-left-color:var(--primary);
  background:#FAFBFD;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-answer{
  padding:0 62px 22px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ===== CTA ===== */
.cta-band{
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:32px;
  align-items:center;
  padding:38px 40px;
  background:var(--primary-soft);
  border:1px solid #D6E6F8;
  border-radius:var(--r-float);
  box-shadow:var(--s1);
}
.cta-band h2{
  font-size:clamp(22px,2.3vw,28px);
  font-weight:700;
  line-height:1.4;
}
.cta-band p{
  margin-top:10px;
  font-size:15.5px;
  color:var(--text-2);
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{
  background:#F1F5FA;
  border-top:1px solid var(--border);
  padding:60px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:16px;
}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s ease-out;
}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1439px){
  :root{--container:1200px;}
}
@media (max-width:1199px){
  :root{--container:100%;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
}
@media (max-width:991px){
  :root{--space-section:64px;}
  .nav-menu{display:none;}
  .nav-tools .nav-cta{display:none;}
  .burger{display:inline-flex;}
  .nav-shell{padding:0 12px 0 16px;height:60px;}
  .hero{padding:132px 0 52px;}
  .cta-band{grid-template-columns:1fr;padding:30px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--space-section:48px;}
  .container{padding:0 16px;}
  .hero{padding:118px 0 44px;}
  .hero-sub{font-size:16px;}
  .hero-stats li{min-width:50%;flex:1 1 50%;border-right:1px solid var(--border);}
  .hero-stats li:nth-child(2){border-right:none;}
  .hero-stats li:nth-child(3){border-top:1px solid var(--border);border-right:none;flex:1 1 100%;}
  .tl-item{grid-template-columns:36px 1fr;gap:16px;}
  .timeline::before{left:17px;}
  .tl-node{width:36px;height:36px;font-size:13px;}
  .tl-body{padding:18px 18px;}
  .faq-item summary{padding:18px 56px 18px 18px;}
  .faq-answer{padding:0 56px 18px 18px;}
  .cta-band{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575px){
  .hero-stats{display:none;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .cta-actions{flex-direction:column;width:100%;}
  .nav-shell{height:56px;}
  .brand-text{font-size:15px;}
  .faq-item summary{font-size:15px;}
  .section-head.with-link{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .tl-body:hover{transform:none;}
  .tl-body:hover .tl-media img{transform:none;}
  .btn:hover,.nav-cta:hover{transform:none;}
}