/* roulang page: index */
:root{
  --c-primary:#1C6E8C;
  --c-primary-600:#145A73;
  --c-primary-100:#D9E9F0;
  --c-primary-050:#EEF6F9;
  --c-accent:#FF7A45;
  --c-accent-600:#E8642F;
  --c-accent-050:#FFF3EC;
  --c-ink:#17242E;
  --c-ink-2:#4C606C;
  --c-ink-3:#8A9AA5;
  --c-line:#E4ECF1;
  --c-bg:#F5F9FB;
  --c-card:#FFFFFF;
  --c-ok:#2FA37A;
  --c-warn:#E2A03C;
  --c-danger:#D9534F;
  --sh-1:0 1px 2px rgba(23,36,46,.05), 0 8px 24px rgba(28,110,140,.06);
  --sh-2:0 12px 32px rgba(28,110,140,.12);
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:600;line-height:1.3;}
h1{font-size:40px;line-height:1.25;letter-spacing:-.5px;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:20px;line-height:1.4;}
p{margin:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-600);}
img{display:block;max-width:100%;object-fit:cover;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;color:inherit;}
svg{flex:none;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(28,110,140,.35);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sec) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head p{margin-top:10px;max-width:640px;color:var(--c-ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:13px;font-weight:500;letter-spacing:.2px;
}
.eyebrow.accent{background:var(--c-accent-050);color:var(--c-accent-600);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.28);}
.btn-primary:hover{background:var(--c-accent-600);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-600);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 6px;height:auto;}
.btn-ghost:hover{gap:12px;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.arrow{transition:transform .2s ease;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-icon{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
.nav-channels{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-channels a{
  display:inline-flex;align-items:center;height:34px;padding:0 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink-2);position:relative;
}
.nav-channels a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.nav-channels a.is-active{color:var(--c-primary);font-weight:600;}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-16px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-form{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 14px;
  background:#F0F5F8;border:1.5px solid transparent;border-radius:var(--r-pill);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(28,110,140,.12);}
.search-form svg{color:var(--c-ink-3);}
.search-form input{width:100%;border:0;background:transparent;outline:none;font-size:14px;}
.search-form input::placeholder{color:var(--c-ink-3);}
.nav-link-plain{font-size:14px;font-weight:500;color:var(--c-ink-2);padding:0 4px;}
.nav-link-plain:hover{color:var(--c-primary);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--r-s);
  align-items:center;justify-content:center;color:var(--c-ink);
}
.hamburger:hover{background:var(--c-primary-050);color:var(--c-primary);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(23,36,46,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78vw;max-width:340px;
  background:#fff;z-index:95;padding:20px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;box-shadow:-12px 0 32px rgba(23,36,46,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:var(--r-s);display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);}
.drawer-close:hover{background:var(--c-primary-050);color:var(--c-primary);}
.drawer nav{display:flex;flex-direction:column;gap:2px;margin:14px 0;}
.drawer nav a{padding:12px 10px;border-radius:var(--r-s);font-size:16px;font-weight:500;color:var(--c-ink-2);}
.drawer nav a:hover,.drawer nav a.is-active{background:var(--c-primary-050);color:var(--c-primary);}
.drawer .search-form{width:100%;margin-bottom:16px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:64px 0 84px;
  background:linear-gradient(135deg,#F5F9FB 0%,var(--c-primary-050) 100%);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:52% 48%;gap:44px;align-items:center;min-height:520px;}
.hero-copy h1{margin:18px 0 16px;max-width:620px;}
.hero-sub{font-size:17px;color:var(--c-ink-2);max-width:540px;}
.hero-points{display:flex;flex-wrap:wrap;gap:16px 26px;margin:26px 0 32px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--c-ink);}
.hero-points svg{color:var(--c-ok);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-visual figure{position:relative;margin:0;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);}
.hero-visual img{width:100%;height:420px;border-radius:var(--r-l);}
.hero-visual figure::after{
  content:"";position:absolute;inset:0;background:rgba(28,110,140,.08);
}
.hero-float{
  position:absolute;left:-22px;bottom:26px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-float strong{font-size:20px;color:var(--c-primary);}
.hero-float span{font-size:13px;color:var(--c-ink-3);display:block;}

/* ---------- trust bar ---------- */
.trust{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0;}
.trust-item{border-left:2px solid var(--c-primary-100);padding-left:16px;}
.trust-item strong{display:block;font-size:24px;font-weight:700;color:var(--c-primary);}
.trust-item span{font-size:13px;color:var(--c-ink-3);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative;}
.step{position:relative;padding-top:8px;}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;margin-bottom:18px;
  box-shadow:0 8px 20px rgba(28,110,140,.22);
}
.step::before{
  content:"";position:absolute;top:30px;left:56px;right:-24px;
  border-top:2px dashed var(--c-primary-100);
}
.step:last-child::before{display:none;}
.step h3{margin-bottom:8px;}
.step p{font-size:15px;color:var(--c-ink-2);max-width:320px;}

/* ---------- bento rewards ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.bento-card{
  position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-1);min-height:200px;
  display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary-100);}
.bento-card.wide{grid-column:span 2;}
.bento-card h3{font-size:17px;margin-bottom:6px;}
.bento-value{font-size:28px;font-weight:700;color:var(--c-primary);letter-spacing:-.5px;}
.bento-note{font-size:14px;color:var(--c-ink-2);margin-top:8px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:500;
}
.badge.warn{background:#FDF3E3;color:#B77A18;}
.badge.ok{background:#E9F6F1;color:var(--c-ok);}
.bento-card .badge{position:absolute;top:20px;right:20px;}

/* ---------- progress ---------- */
.progress-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;}
.progress-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);padding:28px;
}
.progress-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.progress-top h3{font-size:17px;}
.progress-state{font-size:14px;font-weight:600;color:var(--c-accent-600);}
.progress-track{height:10px;border-radius:var(--r-pill);background:var(--c-primary-100);overflow:hidden;}
.progress-fill{height:100%;width:62%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.stage-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.stage{display:flex;align-items:center;gap:12px;font-size:15px;}
.dot{width:10px;height:10px;border-radius:50%;background:var(--c-ink-3);flex:none;}
.dot.done{background:var(--c-ok);}
.dot.now{background:var(--c-accent);}
.stage span.stage-name{color:var(--c-ink);flex:1;}
.stage small{font-size:12px;color:var(--c-ink-3);}
.progress-illus{margin-top:26px;border-radius:var(--r-m);overflow:hidden;}
.progress-illus img{width:100%;height:150px;}

/* ---------- news list ---------- */
.news-list{border-top:1px solid var(--c-line);}
.news-row{
  display:grid;grid-template-columns:160px 1fr 28px;gap:24px;align-items:center;
  padding:22px 16px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.news-row:hover{background:var(--c-primary-050);}
.news-row:hover .news-title{color:var(--c-primary);}
.news-thumb{
  width:160px;height:100px;border-radius:var(--r-s);overflow:hidden;background:var(--c-primary-050);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.news-thumb img{width:100%;height:100%;}
.news-title{
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-desc{
  margin-top:6px;font-size:14px;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:10px;font-size:13px;color:var(--c-ink-3);}
.news-arrow{color:var(--c-ink-3);transition:transform .2s ease,color .2s ease;}
.news-row:hover .news-arrow{transform:translateX(4px);color:var(--c-primary);}
.empty-state{
  padding:64px 20px;text-align:center;border-bottom:1px solid var(--c-line);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{color:var(--c-primary-100);}
.empty-state p{color:var(--c-ink-3);font-size:15px;}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  position:relative;width:22px;height:22px;flex:none;color:var(--c-primary);
  transition:transform .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{top:0;left:10px;width:2px;height:22px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 4px 24px 18px;border-left:3px solid var(--c-primary);font-size:15px;color:var(--c-ink-2);}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--c-accent-050);border:1.5px solid var(--c-primary-100);
  border-radius:var(--r-l);padding:48px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.cta-band p{max-width:560px;color:var(--c-ink-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:6px;}

/* ---------- footer ---------- */
.site-footer{background:#101B23;color:#C9D6DD;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;margin:16px 0;color:#9FB2BC;max-width:280px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;color:#C9D6DD;
}
.footer-social a:hover{background:var(--c-primary);color:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#9FB2BC;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;font-size:13px;color:#8A9AA5;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 20px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .nav-channels{display:none;}
  .search-form{width:170px;}
  .hamburger{display:flex;}
  .hero-grid{grid-template-columns:1fr;min-height:auto;gap:36px;}
  .hero-visual img{height:340px;}
  .hero-float{left:16px;bottom:16px;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .step::before{left:20px;right:auto;top:52px;bottom:-20px;border-top:0;border-left:2px dashed var(--c-primary-100);}
  .bento{grid-template-columns:1fr 1fr;}
  .bento-card.wide{grid-column:span 2;}
  .progress-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:15px;line-height:1.8;}
  .container{padding:0 16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .nav-right .search-form,.nav-right .nav-link-plain,.nav-right .btn{display:none;}
  .nav-wrap{height:56px;gap:12px;}
  .brand-text{font-size:15px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .hero{padding:36px 0 56px;}
  .hero-visual img{height:240px;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;justify-content:flex-start;}
  .hero-cta .btn{width:100%;}
  .trust-grid{grid-template-columns:1fr 1fr;gap:20px;padding:26px 0;}
  .bento{grid-template-columns:1fr;}
  .bento-card.wide{grid-column:span 1;}
  .news-row{grid-template-columns:96px 1fr;gap:14px;padding:18px 6px;}
  .news-thumb{width:96px;height:72px;}
  .news-arrow{display:none;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px;}
  .progress-card{padding:22px;}
}
@media (max-width:479px){
  body{font-size:14.5px;}
  h1{font-size:25px;}
  .hero-points{gap:10px 18px;}
  .step p{max-width:none;}
}

/* roulang page: article */
:root{
  --c-primary:#1C6E8C;
  --c-primary-600:#145A73;
  --c-primary-100:#D9E9F0;
  --c-primary-050:#EEF6F9;
  --c-accent:#FF7A45;
  --c-accent-050:#FFF3EC;
  --c-ink:#17242E;
  --c-ink-2:#4C606C;
  --c-ink-3:#8A9AA5;
  --c-line:#E4ECF1;
  --c-bg:#F5F9FB;
  --c-card:#FFFFFF;
  --c-ok:#2FA37A;
  --c-warn:#E2A03C;
  --c-danger:#D9534F;
  --sh-1:0 1px 2px rgba(23,36,46,.05),0 8px 24px rgba(28,110,140,.06);
  --sh-2:0 12px 32px rgba(28,110,140,.12);
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --font:system-ui,"PingFang SC","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(--c-ink-2);
  background:var(--c-bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(28,110,140,.35);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn svg{flex:0 0 auto}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.28)}
.btn-accent:hover{background:#F26A33;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-050);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-outline:active{transform:translateY(0);box-shadow:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(3px)}
.btn[disabled],.btn:disabled{background:#D6DEE3;color:#8A9AA5;cursor:not-allowed;box-shadow:none;border-color:transparent}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-050);color:var(--c-primary);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-accent{background:var(--c-accent-050);color:#D95F2B}
.badge-ok{background:rgba(47,163,122,.1);color:var(--c-ok)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-icon{
  width:30px;height:30px;display:grid;place-items:center;border-radius:9px;
  background:var(--c-primary-050);border:1px solid var(--c-primary-100);color:var(--c-primary);
}
.nav-channels{display:flex;align-items:center;gap:28px;flex:1 1 auto;min-width:0}
.nav-channels a{
  position:relative;padding:8px 10px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:background-color .18s ease,color .18s ease;
}
.nav-channels a:hover{background:var(--c-primary-050);color:var(--c-primary)}
.nav-channels a.is-active{color:var(--c-primary);font-weight:600}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-search{
  position:relative;display:flex;align-items:center;width:200px;height:40px;
  border-radius:var(--r-pill);background:#F1F6F8;border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{position:absolute;left:13px;color:var(--c-ink-3);pointer-events:none}
.nav-search input{
  width:100%;height:100%;border:0;background:transparent;border-radius:var(--r-pill);
  padding:0 14px 0 38px;font-size:14px;outline:none;color:var(--c-ink);
}
.nav-search input::placeholder{color:var(--c-ink-3)}
.nav-search:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(28,110,140,.12)}
.header-link{font-size:14px;font-weight:500;color:var(--c-ink-2);padding:6px 2px}
.header-link:hover{color:var(--c-primary)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-s);
  align-items:center;justify-content:center;color:var(--c-ink);border:1px solid var(--c-line);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,36,46,.45);z-index:80;
  opacity:0;transition:opacity .22s ease;
}
.drawer-mask.is-show{opacity:1}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:78vw;max-width:340px;
  background:#fff;box-shadow:-8px 0 32px rgba(23,36,46,.16);
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-s);border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-ink-2)}
.drawer-brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--c-ink);font-size:15px}
.drawer-search{position:relative;display:flex;align-items:center;height:44px;border:1px solid var(--c-line);border-radius:var(--r-pill);margin-bottom:18px;background:#fff}
.drawer-search svg{position:absolute;left:14px;color:var(--c-ink-3)}
.drawer-search input{width:100%;height:100%;border:0;background:transparent;border-radius:var(--r-pill);padding:0 14px 0 40px;font-size:14px;outline:none}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.drawer-links a{padding:12px 12px;border-radius:var(--r-s);font-size:15px;font-weight:500;color:var(--c-ink-2)}
.drawer-links a:hover{background:var(--c-primary-050);color:var(--c-primary)}
.drawer-links a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:12px}
.drawer-actions .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);padding:24px 0 0;
}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-ink-3)}
.breadcrumb .current{color:var(--c-ink-3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  align-items:start;padding:28px 0 88px;
}
.article-main{min-width:0}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--c-line);margin-bottom:32px}
.article-head h1{
  font-size:32px;line-height:1.35;font-weight:700;color:var(--c-ink);
  letter-spacing:.2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:13px;color:var(--c-ink-3)}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);display:inline-block}
.article-figure{margin:0 0 34px;border-radius:var(--r-l);overflow:hidden;background:var(--c-primary-050);box-shadow:var(--sh-1)}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-figure figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;padding:10px 16px;background:#fff}

/* ---------- 正文排版 ---------- */
.article-content{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--c-ink-2);
  overflow-wrap:break-word;word-break:break-word;
}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.4em}
.article-content h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:700;color:var(--c-ink);
  margin:40px 0 16px;padding-left:16px;scroll-margin-top:92px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;background:var(--c-primary);
}
.article-content h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-primary);margin:30px 0 12px}
.article-content h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:24px 0 10px}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.35em}
.article-content ul li{list-style:disc;margin-bottom:.5em;line-height:1.75}
.article-content ol li{list-style:decimal;margin-bottom:.5em;line-height:1.75}
.article-content ul li::marker{color:var(--c-primary)}
.article-content ol li::marker{color:var(--c-primary);font-weight:600}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;background:var(--c-primary-050);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-s) var(--r-s) 0;
  color:var(--c-ink-2);font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-m);margin:24px auto;box-shadow:var(--sh-1)}
.article-content figure{margin:24px 0}
.article-content figure img{margin:0 auto}
.article-content figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.article-content a{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-content a:hover{color:var(--c-primary-600)}
.article-content strong{color:var(--c-ink);font-weight:600}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}
.article-content table{margin:24px 0;font-size:15px;border:1px solid var(--c-line);border-radius:var(--r-s);overflow:hidden}
.article-content th{background:var(--c-primary-050);color:var(--c-ink);font-weight:600;text-align:left}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--c-line);border-right:1px solid var(--c-line)}
.article-content th:last-child,.article-content td:last-child{border-right:0}
.article-content tr:last-child td{border-bottom:0}
.article-content tbody tr:nth-child(even){background:#FAFCFD}
.article-content code{background:var(--c-primary-050);color:var(--c-primary-600);padding:2px 6px;border-radius:6px;font-size:14px}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:560px;margin:0 auto;padding:56px 24px;text-align:center;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);
}
.empty-state svg{color:var(--c-primary);margin:0 auto 16px}
.empty-state h2{font-size:20px;color:var(--c-ink);font-weight:600;margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--c-ink-3);margin-bottom:20px}

/* ---------- 文末模块 ---------- */
.article-foot{max-width:760px;margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-row .label{font-size:13px;color:var(--c-ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-050);color:var(--c-primary);font-size:13px;font-weight:500;
  transition:background-color .18s ease,color .18s ease;
}
.tag:hover{background:var(--c-primary-100);color:var(--c-primary-600)}
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:28px}
.next-card{
  display:flex;align-items:center;gap:14px;padding:18px 20px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.next-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary-100)}
.next-card .ico{
  width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:10px;background:var(--c-primary-050);color:var(--c-primary);
}
.next-card .txt{min-width:0}
.next-card strong{display:block;font-size:15px;font-weight:600;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.next-card span{display:block;font-size:13px;color:var(--c-ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-foot .btn-outline{margin-top:4px}

/* ---------- 目录 ---------- */
.toc{
  position:sticky;top:88px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);padding:20px;
}
.toc-title{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary)}
.toc-toggle{display:none}
.toc-body{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.toc-body a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--c-ink-2);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.toc-body a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.toc-body a.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:var(--c-primary-050)}
.toc-empty{font-size:13px;color:var(--c-ink-3)}

/* ---------- 阅读进度 ---------- */
.read-progress{position:fixed;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));z-index:70;transition:width .1s linear}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-accent-050);border:1px solid var(--c-primary-100);
  border-radius:var(--r-l);padding:48px;text-align:center;margin:0 0 88px;
}
.cta-band h2{font-size:26px;line-height:1.3;font-weight:700;color:var(--c-ink);margin-bottom:12px}
.cta-band p{font-size:16px;color:var(--c-ink-2);max-width:620px;margin:0 auto 26px}
.cta-band .cta-actions{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#101B23;color:#C9D6DD;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand .brand-text{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#94A7B2;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:#C9D6DD;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:rgba(255,255,255,.13);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#94A7B2;font-size:13.5px;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;font-size:13px;color:#7D9099;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
  .nav-channels{gap:20px}
  .nav-search{width:170px}
}
@media (max-width:1079px){
  .nav-channels,.header-actions{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{justify-content:space-between}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding:24px 0 64px}
  .toc{position:static;top:auto;margin-bottom:24px;padding:0;overflow:hidden}
  .toc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    padding:16px 18px;font-size:15px;font-weight:600;color:var(--c-ink);
  }
  .toc-toggle svg{transition:transform .22s ease;color:var(--c-primary)}
  .toc.is-open .toc-toggle svg{transform:rotate(180deg)}
  .toc-title{display:none}
  .toc-body{display:none;padding:0 14px 16px;max-height:none}
  .toc.is-open .toc-body{display:flex}
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.8}
  .container{padding:0 16px}
  .header-inner{height:56px}
  .brand{font-size:15px}
  .article-layout{padding:16px 0 56px}
  .breadcrumb{padding-top:16px;font-size:12.5px}
  .article-head h1{font-size:26px}
  .article-content{font-size:16px;line-height:1.8}
  .article-content h2{font-size:22px;margin-top:32px}
  .article-content h3{font-size:18px}
  .next-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:32px 20px;margin-bottom:56px;border-radius:var(--r-m)}
  .cta-band h2{font-size:21px}
  .cta-band .cta-actions .btn{width:100%}
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
}
@media (max-width:480px){
  body{font-size:14.5px}
  .article-head h1{font-size:23px}
  .empty-state{padding:40px 18px}
  .breadcrumb .current{max-width:140px}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --c-primary:#1C6E8C;
  --c-primary-600:#145A73;
  --c-primary-100:#D9E9F0;
  --c-primary-050:#EEF6F9;
  --c-accent:#FF7A45;
  --c-accent-050:#FFF3EC;
  --c-ink:#17242E;
  --c-ink-2:#4C606C;
  --c-ink-3:#8A9AA5;
  --c-line:#E4ECF1;
  --c-bg:#F5F9FB;
  --c-card:#FFFFFF;
  --c-ok:#2FA37A;
  --c-warn:#E2A03C;
  --c-danger:#D9534F;
  --sh-1:0 1px 2px rgba(23,36,46,.05), 0 8px 24px rgba(28,110,140,.06);
  --sh-2:0 12px 32px rgba(28,110,140,.12);
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --header-h:68px;
}

/* ========== reset / base ========== */
*,*::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(--c-ink-2);
  background:var(--c-bg);
  font-weight:400;
  text-align:left;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;text-align:left;}
h1{font-size:40px;line-height:1.25;letter-spacing:-.2px;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-600);}
img{max-width:100%;display:block;object-fit:cover;border-radius:inherit;background:var(--c-primary-050);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:15px;}
svg{flex:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(28,110,140,.35);border-radius:var(--r-s);}

/* ========== 容器 ========== */
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;
  transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.24);}
.btn-accent:hover{background:#F26A33;color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-weight:600;font-size:15px;
}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{background:#E7EDF1;color:#9FAAB2;box-shadow:none;border-color:#E7EDF1;cursor:not-allowed;transform:none;}

/* ========== 徽章 / 药丸 ========== */
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-050);
  color:var(--c-primary);font-size:13px;font-weight:500;line-height:1;white-space:nowrap;
}
.pill-accent{background:var(--c-accent-050);color:#C4531F;}
.badge-ok{background:rgba(47,163,122,.12);color:var(--c-ok);}
.badge-warn{background:rgba(226,160,60,.14);color:#A97521;}
.badge-mute{background:#EEF2F5;color:var(--c-ink-3);}
.num{font-variant-numeric:tabular-nums;}

/* ========== 头部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  height:var(--header-h);display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-icon{
  width:30px;height:30px;border-radius:var(--r-s);
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand-text{
  font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap;
}
.brand:hover .brand-text{color:var(--c-primary);}

.nav-channels{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 10px;border-radius:var(--r-pill);transition:color .2s ease,background-color .2s ease;
}
.nav-channels a:hover{color:var(--c-primary);background:var(--c-primary-050);}
.nav-channels a.is-active{color:var(--c-primary);}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:200px;
  padding:0 14px;border-radius:var(--r-pill);
  background:#F1F6F9;border:2px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box svg{color:var(--c-ink-3);}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;color:var(--c-ink);font-size:14px;
}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(28,110,140,.10);}
.link-plain{font-size:15px;font-weight:500;color:var(--c-ink-2);}
.link-plain:hover{color:var(--c-primary);}

.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--r-s);
  align-items:center;justify-content:center;color:var(--c-ink);
  border:1px solid var(--c-line);background:#fff;
}
.hamburger:hover{background:var(--c-primary-050);color:var(--c-primary);}

/* ========== 移动抽屉 ========== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,36,46,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(23,36,46,.12);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-s);font-size:22px;line-height:1;
  color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--c-primary-050);color:var(--c-primary);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:13px 12px;border-radius:var(--r-s);font-size:16px;font-weight:500;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a:last-child{border-bottom:0;}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--c-primary-050);color:var(--c-primary);}
.drawer-search{width:100%;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}

/* ========== 分类页 KV ========== */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(115deg,var(--c-bg) 0%,var(--c-primary-050) 100%);
  border-bottom:1px solid var(--c-line);
}
.cat-hero::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:48%;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
  opacity:.16;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 62%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 62%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;padding:52px 20px 56px;min-height:260px;display:flex;flex-direction:column;justify-content:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:16px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .crumb-current{color:var(--c-ink-3);max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cat-hero h1{max-width:760px;font-size:36px;margin-bottom:14px;}
.cat-hero-sub{font-size:17px;color:var(--c-ink-2);margin-bottom:20px;max-width:640px;}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:10px;}

/* ========== 文档布局（左锚点 + 右长文） ========== */
.doc-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:56px;align-items:start;}
.doc-aside{position:sticky;top:calc(var(--header-h) + 28px);}
.doc-nav-title{
  font-size:13px;font-weight:600;color:var(--c-ink-3);letter-spacing:.5px;
  margin:0 0 12px;padding-left:12px;
}
.doc-nav ul{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);}
.doc-nav a{
  display:block;padding:9px 12px;font-size:14px;color:var(--c-ink-2);
  border-left:2px solid transparent;margin-left:-1px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.doc-nav a:hover{color:var(--c-primary);background:var(--c-primary-050);}
.doc-nav a.is-active{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600;background:var(--c-primary-050);}
.doc-nav-cta{margin-top:22px;padding:18px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);}
.doc-nav-cta p{font-size:13px;color:var(--c-ink-3);margin-bottom:12px;line-height:1.6;}

.doc-mobile{display:none;margin-bottom:32px;}
.doc-mobile details{
  border:1px solid var(--c-line);border-radius:var(--r-m);background:var(--c-card);box-shadow:var(--sh-1);
}
.doc-mobile summary{
  padding:14px 18px;font-size:15px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
}
.doc-mobile summary::-webkit-details-marker{display:none;}
.doc-mobile summary::after{content:"+";color:var(--c-primary);font-size:18px;font-weight:600;}
.doc-mobile details[open] summary::after{content:"×";}
.doc-mobile ul{padding:0 18px 14px;display:flex;flex-direction:column;gap:6px;}
.doc-mobile a{font-size:14px;padding:6px 0;display:block;}

/* ========== 文档内容块 ========== */
.doc-body{min-width:0;max-width:840px;}
.doc-block{padding-bottom:8px;}
.doc-block + .doc-block{
  margin-top:64px;padding-top:64px;border-top:1px solid var(--c-line);
}
.doc-block h2{
  position:relative;padding-left:16px;font-size:26px;margin-bottom:18px;
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.doc-block h3{font-size:18px;color:var(--c-primary);margin:28px 0 10px;}
.doc-lead{font-size:16.5px;color:var(--c-ink-2);max-width:760px;}

/* 清单 */
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.check-item{
  display:flex;gap:14px;padding:20px 22px;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.check-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-100);}
.check-icon{
  width:24px;height:24px;border-radius:50%;flex:none;margin-top:2px;
  background:var(--c-primary-050);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.check-body strong{display:block;font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:4px;}
.check-body span{font-size:15px;color:var(--c-ink-2);line-height:1.75;}

/* 步骤流 */
.flow{margin-top:28px;position:relative;padding-left:6px;}
.flow-item{position:relative;display:flex;gap:20px;padding-bottom:32px;}
.flow-item:last-child{padding-bottom:0;}
.flow-item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:2px;
  background:repeating-linear-gradient(to bottom,var(--c-primary-100) 0 6px,transparent 6px 12px);
}
.flow-item:last-child::before{display:none;}
.flow-num{
  width:40px;height:40px;flex:none;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;
  font-variant-numeric:tabular-nums;position:relative;z-index:2;
  box-shadow:0 0 0 5px var(--c-primary-050);
}
.flow-card{
  flex:1;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:18px 22px;box-shadow:var(--sh-1);
}
.flow-card h3{margin:0 0 6px;font-size:17px;color:var(--c-ink);}
.flow-card p{font-size:15px;color:var(--c-ink-2);margin:0;}
.flow-card .pill{margin-top:10px;}

/* 图标说明行 */
.icon-rows{display:flex;flex-direction:column;gap:2px;margin-top:24px;border-top:1px solid var(--c-line);}
.icon-row{
  display:flex;align-items:flex-start;gap:14px;padding:16px 4px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease;
}
.icon-row:hover{background:var(--c-primary-050);}
.icon-row .ico{
  width:36px;height:36px;border-radius:var(--r-s);flex:none;
  background:var(--c-primary-050);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.icon-row .row-body strong{display:block;font-size:15.5px;font-weight:600;color:var(--c-ink);}
.icon-row .row-body span{font-size:14.5px;color:var(--c-ink-2);}

/* 图文配图块 */
.doc-figure{margin:32px 0 0;}
.doc-figure img{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-l);border:1px solid var(--c-line);
}
.doc-figure figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}

/* 提示条 */
.tip{
  display:flex;gap:12px;margin-top:24px;padding:18px 20px;
  background:var(--c-accent-050);border:1px solid #FDDCCB;border-radius:var(--r-m);
  color:#8C4218;font-size:15px;line-height:1.75;
}
.tip svg{color:var(--c-accent);margin-top:3px;}

/* 双栏小卡 */
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px;}
.mini-card{
  padding:20px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-100);}
.mini-card .ico{width:36px;height:36px;border-radius:var(--r-s);background:var(--c-primary-050);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:12px;}
.mini-card strong{display:block;font-size:16px;color:var(--c-ink);margin-bottom:6px;font-weight:600;}
.mini-card p{font-size:14.5px;color:var(--c-ink-2);margin:0;}

/* ========== FAQ ========== */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-list{margin-top:32px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 16px 20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:color .2s ease,background-color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-icon{position:relative;width:16px;height:16px;flex:none;transition:transform .25s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 32px 22px 16px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
  border-left:3px solid var(--c-primary);margin-left:0;
}

/* ========== CTA 通栏 ========== */
.cta-band{
  background:var(--c-accent-050);border:1.5px solid var(--c-primary-100);
  border-radius:var(--r-l);padding:48px;text-align:center;
}
.cta-band h2{font-size:24px;margin-bottom:12px;}
.cta-band p{max-width:560px;margin:0 auto 26px;color:var(--c-ink-2);}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;}

/* ========== 页脚 ========== */
.site-footer{background:#101B23;color:#C9D6DD;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;font-size:18px;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;color:#9FB2BC;line-height:1.75;max-width:280px;margin-bottom:20px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-s);background:rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:center;color:#C9D6DD;
  transition:background-color .2s ease,color .2s ease;
}
.footer-social a:hover{background:var(--c-primary);color:#fff;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#9FB2BC;font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8095A0;
}

/* ========== 响应式 ========== */
@media (max-width:1279px){
  .container{padding:0 20px;}
  .nav-channels{gap:18px;}
  .search-box{width:170px;}
}
@media (max-width:1023px){
  .nav-channels,.header-actions .search-box,.header-actions .link-plain,.header-actions .btn-ghost{display:none;}
  .hamburger{display:flex;}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .doc-aside{display:none;}
  .doc-mobile{display:block;}
  .doc-body{max-width:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
  :root{--header-h:56px;}
  body{font-size:15px;line-height:1.8;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .cat-hero-inner{padding:36px 16px 40px;min-height:auto;}
  .cat-hero h1{font-size:26px;}
  .cat-hero-sub{font-size:15.5px;}
  .cat-hero::after{width:70%;opacity:.12;}
  .doc-block h2{font-size:21px;}
  .doc-block + .doc-block{margin-top:48px;padding-top:48px;}
  .mini-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:32px 20px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn,.cta-actions .btn-text{justify-content:center;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding-top:48px;margin-top:56px;}
  .flow-item{gap:14px;}
  .flow-card{padding:16px;}
  .faq-q{font-size:15.5px;padding:18px 12px 18px 0;}
  .faq-a-inner{padding:0 12px 20px 14px;}
  .doc-mobile{margin-bottom:24px;}
}
@media (max-width:480px){
  .cat-hero h1{font-size:23px;}
  .doc-block h2{font-size:20px;}
  .check-item{padding:16px;}
  .cat-hero::after{display:none;}
  .brand-text{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1C6E8C;
  --c-primary-600:#145A73;
  --c-primary-100:#D9E9F0;
  --c-primary-050:#EEF6F9;
  --c-accent:#FF7A45;
  --c-accent-050:#FFF3EC;
  --c-ink:#17242E;
  --c-ink-2:#4C606C;
  --c-ink-3:#8A9AA5;
  --c-line:#E4ECF1;
  --c-bg:#F5F9FB;
  --c-card:#FFFFFF;
  --c-ok:#2FA37A;
  --c-warn:#E2A03C;
  --c-danger:#D9534F;
  --sh-1:0 1px 2px rgba(23,36,46,.05), 0 8px 24px rgba(28,110,140,.06);
  --sh-2:0 12px 32px rgba(28,110,140,.12);
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --container:1200px;
  --sect:88px;
  --font:system-ui,"PingFang SC","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(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:600;line-height:1.3}
h1{font-size:36px;line-height:1.25;letter-spacing:-.4px}
h2{font-size:30px;line-height:1.3}
h3{font-size:20px;line-height:1.4}
p{margin:0}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-600)}
img{max-width:100%;display:block;object-fit:cover}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul{margin:0;padding:0;list-style:none}
svg{flex:0 0 auto}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;letter-spacing:.2px;
  transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{transition:transform .18s ease}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,69,.28)}
.btn-accent:hover{background:#F26B34;color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary)}
.btn-link svg{transition:transform .18s ease}
.btn-link:hover svg{transform:translateX(3px)}
.btn:focus-visible,.btn-link:focus-visible,.nav-toggle:focus-visible,a:focus-visible,input:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(28,110,140,.35);border-radius:var(--r-s);
}
.btn:disabled{background:#C7D3DA;color:#fff;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);border:1px solid var(--c-primary-100);
}
.brand-text{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:28px;flex:1 1 auto;justify-content:center}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 2px;border-radius:var(--r-pill);transition:color .18s ease,background-color .18s ease;
}
.nav-channels a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.nav-channels a.is-active{color:var(--c-primary);font-weight:600}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.header-search{
  display:flex;align-items:center;gap:8px;height:40px;width:200px;padding:0 14px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);
  color:var(--c-ink-3);transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{
  background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(28,110,140,.14);
}
.header-search input{
  border:none;background:transparent;outline:none;width:100%;font-size:14px;color:var(--c-ink);
}
.header-search input::placeholder{color:var(--c-ink-3)}
.link-help{font-size:15px;font-weight:500;color:var(--c-ink-2)}
.link-help:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  align-items:center;justify-content:center;color:var(--c-ink);
}
.nav-toggle:hover{background:var(--c-primary-050)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,36,46,.45);opacity:0;pointer-events:none;
  transition:opacity .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:78vw;max-width:340px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .28s ease;padding:22px 20px 28px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:11px 12px;border-radius:var(--r-s);font-size:15px;font-weight:500;color:var(--c-ink-2)}
.drawer-nav a:hover{background:var(--c-primary-050);color:var(--c-primary)}
.drawer-nav a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px}
.drawer-actions .btn{width:100%}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c-bg) 0%,var(--c-primary-050) 100%);border-bottom:1px solid var(--c-line)}
.page-hero .hero-deco{
  position:absolute;top:0;right:0;width:48%;height:100%;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.2;
  -webkit-mask-image:linear-gradient(to right,transparent 0%,#000 45%);
  mask-image:linear-gradient(to right,transparent 0%,#000 45%);
}
.breadcrumb{position:relative;z-index:2;display:flex;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--c-ink-3)}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .now{color:var(--c-ink-3);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;min-height:260px;padding:30px 0 44px}
.hero-copy{max-width:660px}
.hero-copy .tag{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent-050);color:#D9602B;font-size:13px;font-weight:600;margin-bottom:16px;
}
.hero-copy h1{max-width:18em}
.hero-copy .lead{margin-top:14px;font-size:17px;color:var(--c-ink-2);max-width:30em}
.hero-emblems{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.emblem{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-primary-100);color:var(--c-primary-600);font-size:13px;font-weight:500;
  box-shadow:var(--sh-1);
}

/* ---------- sections ---------- */
.section{padding:var(--sect) 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{max-width:22em}
.section-head .desc{margin-top:14px;font-size:16px;color:var(--c-ink-2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}

/* ---------- risk matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.matrix-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.matrix-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-100)}
.matrix-card .icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);
}
.matrix-card h3{font-size:19px}
.matrix-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8}
.matrix-card .card-foot{margin-top:auto;padding-top:4px}

/* ---------- compare table ---------- */
.table-wrap{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare thead th{
  background:var(--c-primary-050);color:var(--c-primary-600);
  font-size:14px;font-weight:600;text-align:left;padding:16px 20px;white-space:nowrap;
  border-bottom:1px solid var(--c-line);
}
table.compare td{
  padding:16px 20px;font-size:15px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);vertical-align:top;
}
table.compare tbody tr:nth-child(even){background:#FAFCFD}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover{background:var(--c-primary-050)}
table.compare td strong{color:var(--c-ink);font-weight:600}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--c-primary-100);color:var(--c-primary-600);
}
.pill.ok{background:rgba(47,163,122,.12);color:var(--c-ok)}
.pill.warn{background:rgba(226,160,60,.14);color:#B8801F}
.pill.mute{background:#EDF2F5;color:var(--c-ink-3)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.step{position:relative;padding-top:8px}
.step .node{
  width:42px;height:42px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(28,110,140,.22);
}
.step::before{
  content:"";position:absolute;top:28px;left:56px;right:-24px;height:0;
  border-top:2px dashed var(--c-primary-100);
}
.step:last-child::before{display:none}
.step h3{margin-top:18px;font-size:17px}
.step p{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);line-height:1.75}

/* ---------- harden banner ---------- */
.harden{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.harden-media{
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);position:relative;background:var(--c-primary-050);
}
.harden-media img{width:100%;height:340px}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--c-ink-2);line-height:1.75}
.check-list .tick{
  width:22px;height:22px;border-radius:50%;flex:0 0 auto;margin-top:5px;
  background:rgba(47,163,122,.12);color:var(--c-ok);display:flex;align-items:center;justify-content:center;
}
.check-list strong{color:var(--c-ink);font-weight:600}

/* ---------- faq ---------- */
.faq-list{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--c-line);position:relative}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background-color .18s ease;
}
.faq-q:hover{background:var(--c-primary-050)}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary)}
.faq-icon{
  width:24px;height:24px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);transition:transform .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- cta banner ---------- */
.cta-band{
  background:var(--c-accent-050);border:1px solid var(--c-primary-100);border-radius:var(--r-l);
  padding:48px;text-align:center;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:14px;font-size:16px;color:var(--c-ink-2)}
.cta-actions{margin-top:28px;display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#101B23;color:#C9D6DD;padding:64px 0 0;margin-top:var(--sect)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-text{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:#9DB0BA;max-width:22em}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:#C9D6DD;transition:background-color .2s ease,color .2s ease;
}
.footer-social a:hover{background:rgba(255,255,255,.14);color:#fff}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9DB0BA;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7B8E99;
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .header-search{width:160px}
}
@media (max-width:1023px){
  :root{--sect:64px}
  h1{font-size:30px}
  h2{font-size:25px}
  .nav-channels{display:none}
  .header-search{display:none}
  .nav-toggle{display:flex}
  .harden{grid-template-columns:1fr;gap:32px}
  .harden-media img{height:280px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .matrix{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step:nth-child(2)::before{display:none}
}
@media (max-width:767px){
  :root{--sect:56px}
  .container{padding:0 16px}
  h1{font-size:26px}
  h2{font-size:22px}
  h3{font-size:18px}
  body{font-size:15px;line-height:1.8}
  .header-inner{height:56px;gap:12px}
  .brand-text{font-size:15px}
  .link-help,.header-actions .btn-ghost{display:none}
  .hero-inner{min-height:auto;padding:24px 0 34px}
  .hero-copy .lead{font-size:16px}
  .page-hero .hero-deco{width:70%;opacity:.12}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 24px 56px;position:relative}
  .step .node{position:absolute;left:0;top:0;width:38px;height:38px;font-size:15px}
  .step::before{
    left:18px;top:46px;right:auto;bottom:-4px;height:auto;
    border-top:none;border-left:2px dashed var(--c-primary-100);width:0;
  }
  .step:last-child::before{display:none}
  .cta-band{padding:32px 22px}
  .cta-actions .btn{width:100%}
  .matrix-card{padding:20px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px}
}
@media (max-width:479px){
  h1{font-size:23px}
  h2{font-size:20px}
  .hero-emblems{gap:8px}
  .emblem{font-size:12px;height:28px;padding:0 10px}
  .breadcrumb .now{max-width:45%}
}