/* roulang page: index */
:root{
  --c-primary:#1B62A6;
  --c-primary-d:#124A80;
  --c-primary-l:#E8F1FA;
  --c-accent:#12A08A;
  --c-accent-l:#E6F6F3;
  --c-warn:#C97D12;
  --c-ink:#10243A;
  --c-body:#43566B;
  --c-muted:#7B8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F5FA;
  --r-btn:6px;
  --r-card:12px;
  --r-img:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,36,58,.06);
  --sh-2:0 10px 24px rgba(16,36,58,.09);
  --sh-3:0 18px 40px rgba(16,36,58,.12);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.button,.button:hover,.button:focus{font-family:inherit}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1200px;padding:0 40px}}

.section{padding:56px 0}
.section--surface{background:var(--c-surface)}
.section--tint{background:var(--c-surface-2)}
@media (min-width:1024px){.section{padding:96px 0}}

.sec-head{margin-bottom:32px}
.sec-head h2{font-size:22px;line-height:1.3;font-weight:700;color:var(--c-ink)}
@media (min-width:1024px){.sec-head h2{font-size:28px}}
.sec-head p{margin-top:8px;font-size:14px;color:var(--c-muted)}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}

.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more .arw{transition:transform .18s ease;display:inline-block}
.link-more:hover .arw{transform:translateX(3px)}

.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.btn-block{width:100%}

.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary)}
.badge-state{background:var(--c-accent-l);color:var(--c-accent)}
.badge-warn{background:#FBF1DF;color:var(--c-warn)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .18s ease,height .18s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.site-header.is-scrolled .nav-bar{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;letter-spacing:0}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink)}
.brand-text span{font-size:11.5px;color:var(--c-muted);letter-spacing:.5px}
.nav-chips{display:none;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.chip{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14px;color:var(--c-body);background:transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.chip:hover{background:var(--c-surface-2);color:var(--c-ink)}
.chip.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.chip:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.nav-cta{display:none;flex:0 0 auto}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn)}
.burger i{display:block;height:2px;background:var(--c-ink);border-radius:2px}
@media (min-width:1024px){
  .nav-chips{display:flex}
  .nav-cta{display:block}
  .burger{display:none}
}
.drawer{position:fixed;inset:0 0 0 auto;width:84%;max-width:360px;background:var(--c-surface);box-shadow:var(--sh-3);transform:translateX(102%);transition:transform .24s ease;z-index:80;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(16,36,58,.4);opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);color:var(--c-ink);font-size:18px;line-height:1}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.drawer-cta{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line)}

/* ---------- hero ---------- */
.hero{padding:48px 0 40px;background:var(--c-surface)}
@media (min-width:1024px){.hero{padding:72px 0 64px;min-height:620px;display:flex;align-items:center}}
.hero .grid-x{align-items:center}
.hero h1{font-size:26px;line-height:1.3;font-weight:700;color:var(--c-ink)}
@media (min-width:1024px){.hero h1{font-size:44px}}
.hero-sub{margin-top:16px;font-size:16px;color:var(--c-body);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-media{position:relative;margin-top:32px}
@media (min-width:1024px){.hero-media{margin-top:0}}
.hero-media img{width:100%;height:280px;object-fit:cover;border-radius:var(--r-img)}
@media (min-width:1024px){.hero-media img{height:400px}}
.hero-media .float-badge{position:absolute;right:16px;bottom:16px;background:var(--c-surface);box-shadow:var(--sh-2);border-radius:var(--r-pill);padding:6px 14px;font-size:12.5px;font-weight:600;color:var(--c-accent);display:inline-flex;align-items:center;gap:6px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ---------- cards ---------- */
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;overflow:hidden;height:100%;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-media img{width:100%;height:190px;object-fit:cover}
.card-body{padding:18px 18px 20px;flex:1 1 auto;display:flex;flex-direction:column;gap:10px}
@media (min-width:1024px){.card-body{padding:24px}}
.card-title{font-size:18px;line-height:1.4;font-weight:600;color:var(--c-ink)}
.card-title a{color:inherit}
.card-title a:hover{color:var(--c-primary)}
.card-desc{font-size:14px;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--c-muted)}
.num-tag{font-size:12.5px;font-weight:700;color:var(--c-primary);letter-spacing:1px}

.point-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;height:100%;display:flex;flex-direction:column;gap:12px;transition:box-shadow .18s ease,transform .18s ease}
.point-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.point-card h3{font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.4}
.point-card p{font-size:14.5px;color:var(--c-body)}
.point-card--wide{flex-direction:row;gap:20px;align-items:stretch}
.point-card--wide img{width:150px;height:150px;object-fit:cover;border-radius:var(--r-card);flex:0 0 auto}
@media (max-width:639px){
  .point-card--wide{flex-direction:column}
  .point-card--wide img{width:100%;height:160px}
}

/* ---------- steps ---------- */
.steps{position:relative;padding-left:0}
.step{position:relative;display:flex;gap:16px;padding-bottom:28px}
.step:last-child{padding-bottom:0}
.step-index{flex:0 0 auto;width:36px;height:36px;border-radius:50%;border:2px solid var(--c-accent);color:var(--c-accent);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;background:var(--c-surface);z-index:1}
.step-line{position:absolute;left:17px;top:36px;bottom:0;width:1px;background:var(--c-line)}
.step:last-child .step-line{display:none}
.step-body h3{font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.4}
.step-body p{margin-top:6px;font-size:14.5px;color:var(--c-body)}

/* ---------- news list ---------- */
.news-lead .card-media img{height:240px}
@media (min-width:1024px){.news-lead .card-media img{height:268px}}
.news-mini{display:flex;flex-direction:column;gap:16px;height:100%}
.mini-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:18px;transition:box-shadow .18s ease,transform .18s ease;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.mini-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-item h3{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-item h3 a{color:inherit}
.mini-item h3 a:hover{color:var(--c-primary)}
.mini-item p{font-size:13.5px;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);flex-wrap:wrap}
.empty-state{border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);padding:48px 24px;text-align:center}
.empty-state svg{margin:0 auto 12px;display:block}
.empty-state p{font-size:14.5px;color:var(--c-muted);margin-bottom:16px}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);overflow:hidden}
.metric{padding:24px 18px;text-align:center;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.metrics .metric:nth-child(2n){border-right:0}
.metrics .metric:nth-child(n+3){border-bottom:0}
.metric b{display:block;font-size:26px;font-weight:700;color:var(--c-ink);line-height:1.2}
.metric span{display:block;margin-top:6px;font-size:12.5px;color:var(--c-muted)}
@media (min-width:1024px){
  .metrics{grid-template-columns:repeat(4,1fr)}
  .metric{border-bottom:0}
  .metrics .metric:nth-child(2n){border-right:1px solid var(--c-line)}
  .metrics .metric:last-child{border-right:0}
  .metric b{font-size:32px}
}

.quote-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;height:100%;display:flex;flex-direction:column;gap:14px;transition:box-shadow .18s ease,transform .18s ease}
.quote-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.quote-mark{font-size:34px;line-height:1;color:var(--c-primary-l);font-weight:700}
.quote-card p{font-size:15px;color:var(--c-body)}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--c-surface-2);border:1px solid var(--c-line);flex:0 0 auto}
.quote-who span{font-size:13px;color:var(--c-muted)}

.partners{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center}
.partner{filter:grayscale(100%);opacity:.4;font-size:13.5px;font-weight:600;color:var(--c-ink);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:8px 18px;transition:opacity .18s ease,filter .18s ease}
.partner:hover{filter:grayscale(0);opacity:1}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;position:relative}
.faq-item.is-open{border-color:var(--c-primary-l)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent)}
.faq-q{width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5}
.faq-sign{flex:0 0 auto;font-size:20px;font-weight:400;color:var(--c-primary);line-height:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-body)}

/* ---------- cta ---------- */
.cta-band{background:var(--c-primary-l);border-radius:var(--r-card);padding:40px 24px;text-align:center}
.cta-band h2{font-size:22px;font-weight:700;color:var(--c-ink);line-height:1.35}
.cta-band p{margin-top:10px;font-size:14.5px;color:var(--c-body)}
.cta-band .btn{margin-top:22px}
@media (min-width:1024px){.cta-band{padding:64px 48px}.cta-band h2{font-size:28px}}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C9D5E3;padding:56px 0 0;margin-top:0}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:16px;display:block;margin-bottom:8px}
.footer-brand p{font-size:13.5px;color:#9FB0C4;line-height:1.8}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#C9D5E3;font-size:14px}
.footer-links a:hover{color:var(--c-accent)}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin-top:40px}
.footer-bottom{padding:20px 0 28px;font-size:13px;color:#8FA2B8;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}

/* ---------- sticky bar ---------- */
.convert-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:var(--c-surface);border-top:1px solid var(--c-line);box-shadow:var(--sh-3);padding:10px 16px calc(10px + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .26s ease;display:flex;align-items:center;gap:12px}
.convert-bar.is-visible{transform:translateY(0)}
.convert-text{flex:1 1 auto;min-width:0}
.convert-text b{display:block;font-size:14px;font-weight:600;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.convert-text span{display:block;font-size:12.5px;color:var(--c-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.convert-bar .btn{height:44px;padding:0 20px;flex:0 0 auto}
@media (max-width:1023px){
  .convert-bar{transform:translateY(0)}
  .convert-bar .btn{flex:0 0 55%}
  body{padding-bottom:78px}
}
@media (min-width:1024px){
  .convert-bar{left:50%;right:auto;transform:translate(-50%,calc(100% + 24px));bottom:20px;max-width:640px;width:calc(100% - 40px);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:12px 14px 12px 24px;align-items:center}
  .convert-bar.is-visible{transform:translate(-50%,0)}
}

/* roulang page: article */
:root{
  --c-primary:#1B62A6;
  --c-primary-d:#124A80;
  --c-primary-l:#E8F1FA;
  --c-accent:#12A08A;
  --c-accent-l:#E6F6F3;
  --c-warn:#C97D12;
  --c-warn-l:#FBF1E2;
  --c-ink:#10243A;
  --c-body:#43566B;
  --c-muted:#7B8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F5FA;
  --r-btn:6px;
  --r-card:12px;
  --r-media:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,36,58,.06);
  --sh-2:0 10px 24px rgba(16,36,58,.09);
  --sh-3:0 18px 40px rgba(16,36,58,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:0;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){
  .container{max-width:1200px;padding:0 32px;}
}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:height .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-bar{
  display:flex;align-items:center;gap:var(--sp-5);
  height:72px;transition:height .2s ease;
}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.brand-text span{font-size:12px;color:var(--c-muted);white-space:nowrap;}
.nav-chips{display:none;align-items:center;gap:8px;margin-left:auto;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:transparent;color:var(--c-body);
  font-size:14px;font-weight:500;white-space:nowrap;
}
.chip:hover{background:var(--c-surface-2);color:var(--c-ink);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.chip.is-active:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;}
.nav-cta{display:none;flex:0 0 auto;}
.burger{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);
  border-radius:10px;background:var(--c-surface);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger i{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--c-surface);border-left:1px solid var(--c-line);box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform .26s ease;
  z-index:80;display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-5);}
.drawer-head b{font-size:15px;color:var(--c-ink);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;color:var(--c-body);font-size:18px;line-height:1;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px;}
.drawer-foot{margin-top:auto;padding-top:var(--sp-5);border-top:1px solid var(--c-line);}
.drawer-mask{position:fixed;inset:0;background:rgba(16,36,58,.42);opacity:0;visibility:hidden;transition:opacity .26s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

@media (min-width:1024px){
  .nav-chips{display:flex;}
  .nav-cta{display:block;}
  .burger{display:none;}
}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-more i{font-style:normal;transition:transform .18s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ===== badge ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
}
.badge-cat{background:var(--c-primary-l);color:var(--c-primary);}
.badge-ok{background:var(--c-accent-l);color:var(--c-accent);}
.badge-warn{background:var(--c-warn-l);color:var(--c-warn);}

/* ===== article head ===== */
.page-bg{background:var(--c-surface);}
.article-head{padding:var(--sp-6) 0 var(--sp-5);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:var(--sp-4);}
.breadcrumb a{color:var(--c-body);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-muted);}
.article-head h1{
  font-size:26px;font-weight:700;letter-spacing:0;
  margin:12px 0 14px;max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--c-muted);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line);}

/* ===== layout ===== */
.main-wrap{padding:var(--sp-6) 0 var(--sp-8);}
.sidebar{display:flex;flex-direction:column;gap:var(--sp-5);}
@media (min-width:1024px){
  .article-head{padding:var(--sp-7) 0 var(--sp-6);}
  .article-head h1{font-size:36px;}
  .main-wrap{padding:var(--sp-7) 0 var(--sp-9);}
  .sidebar{position:sticky;top:88px;}
}

/* ===== article body ===== */
.article-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px 18px;
  font-size:17px;line-height:1.9;color:var(--c-body);
}
@media (min-width:1024px){
  .article-body{padding:40px 44px;max-width:780px;}
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  font-size:22px;font-weight:700;color:var(--c-ink);
  margin:1.8em 0 .8em;padding-left:12px;border-left:3px solid var(--c-accent);line-height:1.35;
}
.article-body h3{font-size:18px;font-weight:700;color:var(--c-ink);margin:1.5em 0 .6em;}
.article-body h4{font-size:16px;font-weight:600;color:var(--c-ink);margin:1.3em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.3em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body ol li::marker{color:var(--c-primary);font-weight:600;}
.article-body ul li::marker{color:var(--c-accent);}
.article-body blockquote{
  margin:1.4em 0;padding:14px 18px;background:var(--c-surface-2);
  border-left:3px solid var(--c-primary);border-radius:0 8px 8px 0;
  font-size:15.5px;color:var(--c-body);
}
.article-body img{
  border-radius:12px;margin:1.4em 0 8px;width:100%;height:auto;object-fit:cover;
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px;
}
.article-body .table-scroll{overflow-x:auto;margin:1.4em 0;-webkit-overflow-scrolling:touch;}
.article-body th,.article-body td{
  border:1px solid var(--c-line);padding:10px 12px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--c-surface-2);color:var(--c-ink);font-weight:600;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary-d);}
.article-body code{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:4px;
  padding:1px 6px;font-size:14px;color:var(--c-ink);
}
.summary-bar{
  background:var(--c-primary-l);border-radius:10px;padding:14px 16px;
  font-size:15.5px;line-height:1.8;color:var(--c-ink);margin-bottom:24px;
}
.empty-state{
  text-align:center;padding:48px 20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.empty-state .mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:16px;
  border:1px dashed var(--c-line);background:var(--c-surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--c-muted);font-size:24px;
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{margin-bottom:20px;color:var(--c-muted);font-size:15px;}

/* ===== side cards ===== */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px;
}
.side-card h2,.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-item{display:block;padding-bottom:14px;border-bottom:1px solid var(--c-line);}
.side-item:last-child{padding-bottom:0;border-bottom:0;}
.side-item b{display:block;font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:6px;line-height:1.5;}
.side-item span{font-size:13px;color:var(--c-muted);}
.side-item:hover b{color:var(--c-primary);}
.side-cta{
  background:var(--c-primary-l);border:1px solid #D3E4F5;border-radius:var(--r-card);
  padding:20px;
}
.side-cta b{display:block;font-size:16px;color:var(--c-ink);margin-bottom:8px;}
.side-cta p{font-size:14px;color:var(--c-body);margin-bottom:14px;}
.side-media{
  border-radius:10px;overflow:hidden;margin-bottom:14px;background:var(--c-surface-2);
}
.side-media img{width:100%;height:120px;object-fit:cover;border-radius:10px;}

/* ===== footer of article ===== */
.article-tail{margin-top:var(--sp-6);display:flex;flex-direction:column;gap:var(--sp-6);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--c-muted);margin-right:4px;}
.tag-chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-body);
}
.tag-chip:hover{background:var(--c-primary-l);border-color:#D3E4F5;color:var(--c-primary);}
.nav-pair{display:grid;gap:16px;grid-template-columns:1fr;}
@media (min-width:640px){.nav-pair{grid-template-columns:1fr 1fr;}}
.nav-pair a{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.nav-pair a:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.nav-pair span{display:block;font-size:12.5px;color:var(--c-muted);margin-bottom:8px;}
.nav-pair b{font-size:15px;color:var(--c-ink);font-weight:600;line-height:1.5;}
.rec-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.rec-grid{grid-template-columns:repeat(3,1fr);}}
.rec-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.rec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.rec-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;}
.rec-card .body{padding:18px;}
.rec-card h3{font-size:16px;font-weight:600;color:var(--c-ink);margin:10px 0 8px;line-height:1.5;}
.rec-card p{font-size:14px;color:var(--c-body);margin:0 0 12px;}
.rec-card .meta{font-size:12.5px;color:var(--c-muted);}
.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;}
.section-title h2{font-size:22px;font-weight:700;}

/* ===== CTA block ===== */
.cta-block{
  background:var(--c-primary-l);border-radius:var(--r-card);
  padding:36px 24px;text-align:center;margin-top:var(--sp-6);
}
.cta-block h2{font-size:22px;margin-bottom:12px;}
.cta-block p{font-size:15px;color:var(--c-body);max-width:620px;margin:0 auto 22px;}

/* ===== footer ===== */
.site-footer{background:var(--c-ink);color:#C6D3E1;padding:56px 0 28px;margin-top:var(--sp-8);}
.site-footer h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-brand b{display:block;font-size:17px;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:#9FB2C6;line-height:1.8;margin:0;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#C6D3E1;}
.footer-links a:hover{color:var(--c-accent);}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:32px 0 20px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FA3B8;}

/* ===== sticky cta ===== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  padding-bottom:env(safe-area-inset-bottom);
}
.sticky-inner{display:flex;align-items:center;gap:14px;height:64px;}
.sticky-text{min-width:0;flex:1;}
.sticky-text b{display:block;font-size:14px;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-text span{display:block;font-size:12.5px;color:var(--c-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-cta .btn{flex:0 0 55%;height:44px;padding:0 12px;font-size:14px;}
@media (min-width:1024px){
  .sticky-cta{
    left:50%;right:auto;bottom:20px;width:640px;transform:translate(-50%,140%);
    border:1px solid var(--c-line);border-radius:var(--r-pill);
    transition:transform .3s ease;
  }
  .sticky-cta.is-visible{transform:translate(-50%,0);}
  .sticky-inner{height:68px;padding:0 12px 0 24px;justify-content:space-between;}
  .sticky-cta .btn{flex:0 0 auto;padding:0 26px;height:46px;}
  body{padding-bottom:0;}
}
@media (max-width:1023px){
  .sticky-text b{font-size:13.5px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1B62A6;
  --c-primary-d:#124A80;
  --c-primary-l:#E8F1FA;
  --c-accent:#12A08A;
  --c-accent-l:#E6F6F3;
  --c-warn:#C97D12;
  --c-warn-l:#FBF2E2;
  --c-ink:#10243A;
  --c-body:#43566B;
  --c-muted:#7B8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F5FA;
  --r-btn:6px;
  --r-card:12px;
  --r-media:18px;
  --sh-1:0 1px 2px rgba(16,36,58,.06);
  --sh-2:0 10px 24px rgba(16,36,58,.09);
  --sh-3:0 18px 40px rgba(16,36,58,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-6:24px; --sp-8:32px; --sp-12:48px; --sp-16:64px; --sp-24:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){
  .container{padding:0 40px;}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease,height .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-bar{
  display:flex;align-items:center;gap:20px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;
  border-radius:10px;font-weight:700;font-size:19px;letter-spacing:0;
  font-family:var(--font-num);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:17px;font-weight:700;color:var(--c-ink);}
.brand-text span{font-size:12.5px;color:var(--c-muted);}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:999px;
  font-size:14px;font-weight:500;color:var(--c-body);
  background:transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--c-surface-2);color:var(--c-ink);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.chip.is-active:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;}
.nav-cta{flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.link-arrow i{font-style:normal;transition:transform .18s ease;}
.link-arrow:hover i{transform:translateX(3px);}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  border-radius:10px;background:var(--c-surface);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  margin-left:auto;
}
.burger i{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.site-header.is-open .burger i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.is-open .burger i:nth-child(2){opacity:0;}
.site-header.is-open .burger i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:1023px){
  .burger{display:flex;}
  .nav-cta{display:none;}
  .nav-chips{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(88vw,340px);
    background:var(--c-surface);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:10px;padding:88px 20px 110px;
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:90;overflow-y:auto;box-shadow:var(--sh-3);
    border-left:1px solid var(--c-line);
  }
  .nav-chips .chip{height:44px;justify-content:center;width:100%;}
  .site-header.is-open .nav-chips{transform:translateX(0);}
  .site-header.is-open .nav-cta{
    display:block;position:fixed;right:0;bottom:0;
    width:min(88vw,340px);padding:14px 20px 20px;
    background:var(--c-surface);border-top:1px solid var(--c-line);
    z-index:91;
  }
  .site-header.is-open .nav-cta .btn{width:100%;}
}

/* ---------- page hero ---------- */
.page-hero{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:48px 0 32px;
}
.crumb{font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--c-body);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.crumb .now{color:var(--c-muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-l);border-radius:999px;height:24px;padding:0 12px;
  margin:20px 0 14px;
}
.page-hero h1{
  font-size:36px;line-height:1.3;font-weight:700;color:var(--c-ink);
  letter-spacing:0;max-width:820px;
}
.page-hero .lead{
  margin-top:14px;font-size:16px;color:var(--c-body);max-width:760px;
}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section.is-bg{background:var(--c-bg);}
.section.is-surface{background:var(--c-surface);}
.section.is-surface2{background:var(--c-surface-2);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--c-ink);}
.section-head p{margin-top:12px;font-size:16px;color:var(--c-body);}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.tl-item{position:relative;display:flex;gap:20px;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:15px;top:34px;bottom:0;width:1px;background:var(--c-line);
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:relative;z-index:1;flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-surface);border:2px solid var(--c-accent);
  color:var(--c-accent);font-family:var(--font-num);font-size:13px;font-weight:700;
}
.tl-body{
  flex:1 1 auto;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.tl-body:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.tl-body h3{font-size:20px;line-height:1.35;font-weight:600;color:var(--c-ink);}
.tl-body p{margin-top:10px;font-size:15.5px;color:var(--c-body);}
.tl-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--c-primary-l);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent-l);color:var(--c-accent);}
.badge-warn{background:var(--c-warn-l);color:var(--c-warn);}

/* ---------- wide card ---------- */
.wide-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.wide-card figure{margin:0;}
.wide-card img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-card) var(--r-card) 0 0;}
.wide-card .wide-body{padding:28px;}
.wide-card h3{font-size:22px;line-height:1.35;font-weight:600;color:var(--c-ink);}
.wide-card p{margin-top:12px;font-size:15.5px;}
.wide-list{margin-top:18px;display:grid;gap:10px;}
.wide-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--c-body);
}
.wide-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent-l);border:2px solid var(--c-accent);
}

/* ---------- points ---------- */
.points{margin-top:48px;}
.point{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.point:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.point .num{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--c-primary);
  letter-spacing:.04em;
}
.point h3{margin-top:10px;font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.4;}
.point p{margin-top:10px;font-size:14.5px;color:var(--c-body);}

/* ---------- self check ---------- */
.check-grid{margin-top:8px;}
.check-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.check-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.check-card h3{font-size:18px;font-weight:600;color:var(--c-ink);line-height:1.4;}
.check-card p{margin-top:10px;font-size:14.5px;}
.check-card .badge{margin-bottom:14px;}
.media-note{
  margin-top:24px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.media-note img{width:100%;height:260px;object-fit:cover;}
.media-note .media-body{padding:22px 24px;}
.media-note h3{font-size:17px;font-weight:600;color:var(--c-ink);}
.media-note p{margin-top:8px;font-size:14.5px;}
.tip-bar{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--c-warn-l);border:1px solid rgba(201,125,18,.28);
  border-radius:var(--r-card);padding:16px 18px;margin-top:24px;
}
.tip-bar .dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--c-warn);margin-top:8px;
}
.tip-bar p{font-size:14.5px;color:#7A5410;}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary-l);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:72px 0;}
.cta-band h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--c-ink);}
.cta-band p{margin-top:12px;font-size:16px;color:var(--c-body);max-width:640px;}
.cta-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C6D2E0;padding:64px 0 28px;}
.site-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-brand b{display:block;font-size:18px;font-weight:700;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FB0C4;max-width:360px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#C6D2E0;}
.footer-links a:hover{color:var(--c-accent);}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:40px 0 20px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8FA1B6;
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  transform:translateY(110%);
  transition:transform .28s ease;
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-inner{
  max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:16px;justify-content:space-between;
}
.sticky-text{display:flex;flex-direction:column;min-width:0;}
.sticky-text b{font-size:15px;font-weight:600;color:var(--c-ink);}
.sticky-text span{font-size:13px;color:var(--c-muted);}
.sticky-cta .btn{flex:0 0 auto;}

@media (min-width:1024px){
  .sticky-cta{
    left:50%;right:auto;bottom:20px;transform:translate(-50%,140%);
    width:auto;min-width:640px;border-radius:999px;
    border:1px solid var(--c-line);
    padding:12px 16px 12px 26px;
  }
  .sticky-cta.is-visible{transform:translate(-50%,0);}
}
@media (max-width:1023px){
  .sticky-text span{display:none;}
  .sticky-cta .btn{width:55%;height:44px;padding:0 12px;font-size:14px;}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:56px 0;}
  .page-hero{padding:36px 0 26px;}
  .page-hero h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .cta-band{padding:56px 0;}
  .cta-band h2{font-size:22px;}
  .wide-card img{height:240px;}
  .wide-card .wide-body{padding:20px;}
}
@media (max-width:639px){
  .nav-bar{height:64px;gap:12px;}
  .brand-text span{display:none;}
  .brand-text b{font-size:15px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;}
  .page-hero h1{font-size:24px;}
  .tl-body{padding:18px;}
  .tl-item{gap:14px;}
  .point,.check-card{padding:18px;}
  .wide-card img{height:200px;}
  .media-note img{height:190px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1B62A6;
  --c-primary-d:#124A80;
  --c-primary-l:#E8F1FA;
  --c-accent:#12A08A;
  --c-accent-l:#E6F6F3;
  --c-warn:#C97D12;
  --c-warn-l:#FDF3E3;
  --c-ink:#10243A;
  --c-body:#43566B;
  --c-muted:#7B8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F5FA;
  --r-btn:6px;
  --r-card:12px;
  --r-media:18px;
  --sh-1:0 1px 2px rgba(16,36,58,.06);
  --sh-2:0 10px 24px rgba(16,36,58,.09);
  --sh-3:0 18px 40px rgba(16,36,58,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:0;
  padding-bottom:84px;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;font-weight:700;letter-spacing:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1440px){
  .container{max-width:1200px;padding:0 32px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:height .2s ease, box-shadow .2s ease;
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:16px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:#fff;font-size:19px;font-weight:700;
  border-radius:10px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;color:var(--c-ink);font-weight:700;white-space:nowrap;}
.brand-text span{font-size:11.5px;color:var(--c-muted);letter-spacing:.02em;white-space:nowrap;}
.nav-chips{
  display:none;
  flex:1 1 auto;
  align-items:center;
  gap:8px;
  margin:0 8px;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 16px;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:transparent;
  color:var(--c-body);
  font-size:14px;font-weight:500;
  white-space:nowrap;
  transition:background .18s ease, color .18s ease, border-color .18s ease;
}
.chip:hover{background:var(--c-surface-2);color:var(--c-ink);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.chip.is-active:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;}
.nav-cta{display:none;flex:0 0 auto;}
.burger{
  margin-left:auto;
  width:44px;height:44px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:transparent;border:1px solid var(--c-line);border-radius:8px;
  cursor:pointer;
}
.burger i{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(320px,86vw);
  background:#fff;
  z-index:120;
  transform:translateX(100%);
  transition:transform .26s ease;
  display:flex;flex-direction:column;
  padding:20px;
  box-shadow:var(--sh-3);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head b{font-size:15px;color:var(--c-ink);}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--c-line);background:#fff;border-radius:8px;
  color:var(--c-body);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.drawer-chips .chip{height:38px;}
.drawer-cta{margin-top:auto;}
.drawer-cta .btn{width:100%;}
.scrim{
  position:fixed;inset:0;
  background:rgba(16,36,58,.42);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease, visibility .24s ease;
  z-index:110;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.link-more span{transition:transform .18s ease;display:inline-block;}
.link-more:hover span{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:var(--c-primary-l);color:var(--c-primary);
  white-space:nowrap;
}
.badge-accent{background:var(--c-accent-l);color:var(--c-accent);}
.badge-warn{background:var(--c-warn-l);color:var(--c-warn);}

/* ---------- 页面头部 ---------- */
.page-head{
  background:var(--c-bg);
  padding:36px 0 8px;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-muted);
  margin-bottom:16px;
}
.breadcrumb a{color:var(--c-body);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-muted);}
.page-head h1{
  font-size:30px;
  margin:12px 0 10px;
  max-width:860px;
}
.page-head .lead{
  font-size:15.5px;
  color:var(--c-body);
  max-width:720px;
  margin:0;
}
.chipbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:22px 0 24px;
  margin-top:18px;
  border-top:1px solid var(--c-line);
}

/* ---------- 区块 ---------- */
.section{padding:56px 0;}
.section--tint{background:var(--c-surface-2);}
.section--white{background:var(--c-surface);}
.section--cta{background:var(--c-primary-l);padding:56px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:22px;margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--c-muted);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--c-accent);
  letter-spacing:.06em;text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--c-accent);border-radius:2px;}

/* ---------- 交替图文 ---------- */
.flow-row{display:flex;flex-wrap:wrap;align-items:center;}
.flow-text{flex:0 0 100%;max-width:100%;}
.flow-media{flex:0 0 100%;max-width:100%;margin-top:24px;}
.flow-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  border:2px solid var(--c-accent);
  border-radius:999px;
  color:var(--c-accent);
  font-size:14px;font-weight:700;
  margin-bottom:14px;
  background:#fff;
}
.flow-text h2{font-size:22px;margin-bottom:12px;}
.flow-text p{font-size:15.5px;margin-bottom:14px;}
.flow-list{margin-top:6px;}
.flow-list li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  margin-bottom:8px;
}
.flow-list li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:999px;
  background:var(--c-primary);
}
.flow-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-media);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.media-note{
  font-size:12.5px;color:var(--c-muted);
  margin-top:10px;
}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-warn-l);
  border:1px solid #F0DDBB;
  border-radius:var(--r-card);
  padding:18px 20px;
  margin-top:28px;
}
.notice .notice-mark{
  flex:0 0 auto;
  width:22px;height:22px;border-radius:999px;
  background:var(--c-warn);color:#fff;
  font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.notice p{margin:0;font-size:14.5px;color:#7A5410;}
.notice b{color:#5E400C;}

/* ---------- 紧凑卡片 ---------- */
.tile{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px;
  height:100%;
  transition:transform .18s ease, box-shadow .18s ease;
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.tile h3{font-size:17px;margin-bottom:10px;}
.tile p{font-size:14.5px;margin:0;color:var(--c-body);}
.tile .tile-tag{
  display:inline-flex;height:22px;align-items:center;
  padding:0 10px;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-muted);
  font-size:12px;font-weight:600;margin-bottom:12px;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;
  padding:18px 20px 18px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  text-align:left;cursor:pointer;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;
  background:transparent;
  transition:background .18s ease;
}
.faq-item.is-open .faq-q::before{background:var(--c-accent);}
.faq-sign{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:999px;
  background:var(--c-surface-2);
  color:var(--c-primary);
  font-size:16px;font-weight:600;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease;
}
.faq-item.is-open .faq-sign{background:var(--c-primary);color:#fff;}
.faq-a{
  display:none;
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-body);
}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{margin:0 0 .6em;}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- 收口 CTA ---------- */
.cta-box{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-box h2{font-size:24px;margin-bottom:8px;}
.cta-box p{margin:0;font-size:15px;color:var(--c-body);max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#C6D3E1;
  padding:56px 0 0;
  font-size:14px;
}
.site-footer h3{
  color:#fff;font-size:15px;font-weight:600;
  margin-bottom:16px;
}
.footer-brand b{color:#fff;font-size:17px;display:block;margin-bottom:12px;}
.footer-brand p{color:#9FB2C6;font-size:13.5px;line-height:1.8;margin:0;max-width:340px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C6D3E1;font-size:13.5px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:40px 0 20px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-bottom:28px;
  font-size:12.5px;color:#8798AC;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  padding:10px 16px;
  padding-bottom:calc(10px + env(safe-area-inset-bottom));
}
.sticky-cta-inner{
  display:flex;align-items:center;gap:14px;
  max-width:1200px;margin:0 auto;
}
.sticky-cta-text{flex:1 1 auto;min-width:0;}
.sticky-cta-text b{display:block;font-size:14px;color:var(--c-ink);line-height:1.35;}
.sticky-cta-text span{display:block;font-size:12px;color:var(--c-muted);line-height:1.4;margin-top:2px;}
.sticky-cta .btn{flex:0 0 55%;height:44px;padding:0 12px;font-size:14px;}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .page-head{padding-top:48px;}
  .page-head h1{font-size:34px;}
  .section{padding:72px 0;}
  .section--cta{padding:72px 0;}
  .flow-media{margin-top:28px;}
  .sticky-cta .btn{flex:0 0 auto;}
}
@media (min-width:1024px){
  body{padding-bottom:0;}
  .nav-chips{display:flex;}
  .nav-cta{display:block;}
  .burger{display:none;}
  .drawer,.scrim{display:none;}
  .page-head{padding:56px 0 8px;}
  .page-head h1{font-size:36px;}
  .section{padding:96px 0;}
  .section--cta{padding:88px 0;}
  .flow-row{flex-wrap:nowrap;gap:48px;}
  .flow-text{flex:0 0 50%;max-width:50%;}
  .flow-media{flex:0 0 calc(50% - 48px);max-width:calc(50% - 48px);margin-top:0;}
  .flow-row.row-reverse .flow-text{order:2;}
  .flow-row.row-reverse .flow-media{order:1;}
  .sticky-cta{
    left:50%;right:auto;bottom:20px;
    width:640px;max-width:calc(100% - 40px);
    border:1px solid var(--c-line);
    border-radius:999px;
    padding:12px 14px 12px 24px;
    transform:translate(-50%,140%);
    opacity:0;
    transition:transform .28s ease, opacity .28s ease;
  }
  .sticky-cta.is-visible{transform:translate(-50%,0);opacity:1;}
  .sticky-cta-inner{gap:20px;}
}
@media (min-width:1440px){
  .section{padding:104px 0;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1B62A6;
  --c-primary-d:#124A80;
  --c-primary-l:#E8F1FA;
  --c-accent:#12A08A;
  --c-accent-l:#E6F6F3;
  --c-warn:#C97D12;
  --c-warn-l:#FDF3E4;
  --c-ink:#10243A;
  --c-body:#43566B;
  --c-muted:#7B8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F5FA;

  --r-btn:6px;
  --r-card:12px;
  --r-media:18px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(16,36,58,.06);
  --sh-2:0 10px 24px rgba(16,36,58,.09);
  --sh-3:0 18px 40px rgba(16,36,58,.12);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;

  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* Foundation 默认样式覆盖 */
body,button,input,select,textarea{font-family:var(--font-cn);}
a:not(.btn):not(.chip){color:var(--c-primary);}
.button,button.button{background:var(--c-primary);border-radius:var(--r-btn);}
table{border:0;background:transparent;}
table thead{background:transparent;}
table tr:nth-of-type(even){background:transparent;}
table th,table td{border:0;padding:0;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1440px){
  .container{padding:0 40px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:height .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header .nav-bar{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.site-header.is-scrolled .nav-bar{height:60px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:#fff;
  font-size:18px;
  font-weight:700;
  border-radius:10px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:0;}
.brand-text span{font-size:11.5px;color:var(--c-muted);letter-spacing:0;}

.nav-chips{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  margin-right:auto;
}
.chip{
  display:inline-flex;align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:transparent;
  color:var(--c-body);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
}
.chip:hover{background:var(--c-surface-2);color:var(--c-ink);}
.chip.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}
.chip.is-active:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;}

.nav-cta{display:none;flex:0 0 auto;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--c-primary);
  color:#fff;
  border:1px solid var(--c-primary);
  box-shadow:var(--sh-1);
}
.btn-primary:hover{
  background:var(--c-primary-d);
  border-color:var(--c-primary-d);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-ghost{
  background:var(--c-surface);
  color:var(--c-primary);
  border:1px solid var(--c-primary);
}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);
  font-size:14px;
  font-weight:600;
  height:auto;padding:0;background:none;border:0;
}
.btn-link .arw{transition:transform .18s ease;}
.btn-link:hover .arw{transform:translateX(3px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.burger{
  width:44px;height:44px;margin-left:auto;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-surface);
}
.burger i{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (min-width:1024px){
  .nav-chips{display:flex;}
  .nav-cta{display:block;}
  .burger{display:none;}
}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:86%;
  max-width:360px;
  background:var(--c-surface);
  box-shadow:var(--sh-3);
  transform:translateX(102%);
  transition:transform .26s ease;
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:var(--sp-5) var(--sp-5) calc(var(--sp-5) + env(safe-area-inset-bottom));
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-5);}
.drawer-head b{font-size:16px;color:var(--c-ink);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-body);font-size:18px;line-height:1;
}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px;}
.drawer-chips .chip{height:38px;}
.drawer-cta{margin-top:auto;padding-top:var(--sp-5);}
.drawer-cta .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,36,58,.4);
  opacity:0;pointer-events:none;
  transition:opacity .24s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
@media (min-width:1024px){
  .drawer,.drawer-mask{display:none;}
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
.section.tint{background:var(--c-surface);}
.section.altbg{background:var(--c-bg);}
@media (min-width:1024px){
  .section{padding:96px 0;}
}
.sec-head{max-width:720px;margin-bottom:var(--sp-6);}
.sec-head h2{
  font-size:22px;
  line-height:1.3;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:10px;
}
@media (min-width:1024px){
  .sec-head h2{font-size:28px;}
}
.sec-head p{font-size:15px;color:var(--c-body);}
.sec-head.row-split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);
  max-width:none;
}
.sec-head.row-split .txt{max-width:660px;}

/* ---------- 分类顶部 ---------- */
.cat-hero{
  background:var(--c-surface);
  padding:32px 0 40px;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-muted);
  margin-bottom:var(--sp-5);
}
.breadcrumb a{color:var(--c-body);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .cur{color:var(--c-muted);}

.cat-hero h1{
  font-size:26px;
  line-height:1.3;
  font-weight:700;
  color:var(--c-ink);
  max-width:860px;
  margin-bottom:12px;
}
@media (min-width:1024px){
  .cat-hero h1{font-size:36px;}
}
.cat-hero .lead{
  font-size:16px;
  color:var(--c-body);
  max-width:720px;
  margin-bottom:var(--sp-5);
}
.cat-chips{
  display:flex;flex-wrap:wrap;gap:10px;
  padding-top:var(--sp-5);
  border-top:1px solid var(--c-line);
}

/* ---------- 概览图文 ---------- */
.intro-figure{
  border-radius:var(--r-media);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  box-shadow:var(--sh-1);
}
.intro-figure img{
  width:100%;
  height:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:var(--r-media);
}
.intro-copy h2{
  font-size:22px;line-height:1.3;font-weight:700;color:var(--c-ink);
  margin-bottom:12px;
}
@media (min-width:1024px){
  .intro-copy h2{font-size:28px;}
}
.intro-copy p{font-size:16px;color:var(--c-body);margin-bottom:var(--sp-4);}
.point-list{display:grid;gap:12px;margin-top:var(--sp-5);}
.point-list li{
  display:flex;gap:12px;
  font-size:15px;
  color:var(--c-body);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:14px 16px;
  box-shadow:var(--sh-1);
}
.point-list li b{color:var(--c-ink);font-weight:600;}
.point-dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
  margin-top:9px;
}

/* ---------- 对照表 ---------- */
.compare-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.compare-table{width:100%;font-size:15px;}
.compare-table th,.compare-table td{
  padding:16px 20px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--c-line);
}
.compare-table thead th{
  font-size:15px;font-weight:700;
  border-bottom:1px solid var(--c-line);
}
.compare-table thead th.good{background:var(--c-accent-l);color:var(--c-accent);}
.compare-table thead th.risk{background:var(--c-warn-l);color:var(--c-warn);}
.compare-table tbody td.good{background:rgba(18,160,138,.05);color:var(--c-ink);}
.compare-table tbody td.risk{background:rgba(201,125,18,.05);color:var(--c-body);}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td b{display:block;font-weight:600;color:var(--c-ink);margin-bottom:4px;}
.compare-hint{
  display:flex;gap:10px;align-items:flex-start;
  margin-top:var(--sp-5);
  padding:14px 16px;
  border-radius:var(--r-card);
  background:var(--c-primary-l);
  color:var(--c-body);
  font-size:14px;
}
.compare-hint .mark{
  flex:0 0 auto;
  font-weight:700;
  color:var(--c-primary);
}
@media (max-width:640px){
  .compare-table,
  .compare-table tbody,
  .compare-table tr,
  .compare-table th,
  .compare-table td{display:block;width:100%;}
  .compare-table thead{display:none;}
  .compare-table tr{
    border-bottom:1px solid var(--c-line);
    padding:8px 0;
  }
  .compare-table tr:last-child{border-bottom:0;}
  .compare-table td{padding:12px 18px;border-bottom:0;}
  .compare-table td::before{
    display:block;
    font-size:12.5px;
    font-weight:700;
    margin-bottom:4px;
  }
  .compare-table td.good::before{content:"建议做法";color:var(--c-accent);}
  .compare-table td.risk::before{content:"风险做法";color:var(--c-warn);}
}

/* ---------- 信息卡矩阵 ---------- */
.matrix{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.matrix-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:18px;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
@media (min-width:1024px){
  .matrix-card{padding:24px;}
}
.matrix-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D7E2EE;}
.matrix-card .idx{
  display:inline-block;
  font-family:var(--font-num);
  font-size:12.5px;
  font-weight:700;
  color:var(--c-accent);
  background:var(--c-accent-l);
  border-radius:var(--r-pill);
  padding:2px 12px;
  margin-bottom:12px;
}
.matrix-card h3{
  font-size:18px;
  line-height:1.35;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:10px;
}
@media (min-width:1024px){
  .matrix-card h3{font-size:20px;}
}
.matrix-card p{font-size:15px;color:var(--c-body);}

/* ---------- 自查节奏 ---------- */
.rhythm{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:1024px){
  .rhythm{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.rhythm-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
}
.rhythm-item .step{
  font-family:var(--font-num);
  font-size:12.5px;
  font-weight:700;
  color:var(--c-muted);
  letter-spacing:.06em;
  display:block;
  margin-bottom:8px;
}
.rhythm-item h3{
  font-size:18px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:8px;
  line-height:1.35;
}
.rhythm-item p{font-size:15px;color:var(--c-body);}

/* ---------- 收口 CTA ---------- */
.cta-band{
  background:var(--c-primary-l);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.cta-box{
  display:flex;
  flex-direction:column;
  gap:var(--sp-5);
  align-items:flex-start;
}
.cta-box h2{
  font-size:24px;
  line-height:1.3;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:10px;
}
@media (min-width:1024px){
  .cta-box h2{font-size:28px;}
}
.cta-box p{font-size:15px;color:var(--c-body);max-width:640px;}
@media (min-width:1024px){
  .cta-box{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
  }
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#C6D3E1;
  padding:var(--sp-8) 0 var(--sp-5);
  margin-top:0;
}
.site-footer h3{
  font-size:14px;
  font-weight:600;
  color:#FFFFFF;
  margin-bottom:14px;
  letter-spacing:.01em;
}
.footer-brand b{
  display:block;
  font-size:16px;
  font-weight:700;
  color:#FFFFFF;
  margin-bottom:10px;
}
.footer-brand p{font-size:14px;color:#A9B9CB;max-width:340px;}
.footer-links{display:grid;gap:8px;}
.footer-links a{
  color:#C6D3E1;
  font-size:14px;
}
.footer-links a:hover{color:var(--c-accent);}
.footer-divider{
  height:1px;
  background:rgba(255,255,255,.14);
  margin:var(--sp-7) 0 var(--sp-5);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:12.5px;
  color:#8FA1B5;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  padding:8px 12px calc(8px + env(safe-area-inset-bottom));
  transform:translateY(0);
  transition:transform .24s ease;
}
.sticky-inner{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  max-width:1200px;
  margin:0 auto;
}
.sticky-copy{flex:1 1 auto;min-width:0;}
.sticky-copy b{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-copy span{
  display:block;
  font-size:12.5px;
  color:var(--c-muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sticky-inner .btn{
  flex:0 0 55%;
  height:44px;
  padding:0 12px;
  font-size:14px;
}
@media (min-width:1024px){
  .sticky-cta{
    left:50%;
    right:auto;
    bottom:18px;
    transform:translate(-50%,140%);
    width:640px;
    max-width:calc(100% - 40px);
    border:1px solid var(--c-line);
    border-radius:var(--r-pill);
    padding:10px 12px 10px 24px;
    opacity:0;
  }
  .sticky-cta.is-visible{
    transform:translate(-50%,0);
    opacity:1;
  }
  .sticky-inner .btn{
    flex:0 0 auto;
    height:46px;
    padding:0 24px;
  }
}
body.has-sticky-bottom{padding-bottom:80px;}
@media (min-width:1024px){
  body.has-sticky-bottom{padding-bottom:0;}
}

/* 栅格内间距微调 */
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-12px;}
.grid-margin-y>.cell{margin-top:12px;}
@media (min-width:640px){
  .grid-margin-x{margin-left:-12px;margin-right:-12px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1B62A6;
  --c-primary-d:#124A80;
  --c-primary-l:#E8F1FA;
  --c-accent:#12A08A;
  --c-accent-l:#E6F6F3;
  --c-warn:#C97D12;
  --c-warn-l:#FBF2E2;
  --c-ink:#10243A;
  --c-body:#43566B;
  --c-muted:#7B8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F5FA;
  --r-btn:6px;
  --r-card:12px;
  --r-media:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,36,58,.06);
  --sh-2:0 10px 24px rgba(16,36,58,.09);
  --sh-3:0 18px 40px rgba(16,36,58,.12);
  --sp-4:4px;--sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-24:24px;--sp-32:32px;--sp-48:48px;--sp-64:64px;--sp-96:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;object-fit:cover;border-radius:var(--r-media);}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3{color:var(--c-ink);font-weight:600;line-height:1.3;}
h1{font-size:36px;}
h2{font-size:28px;}
h3{font-size:20px;}
p{font-size:16px;line-height:1.75;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:56px 0;}
.section--surface{background:var(--c-surface);}
.section--alt{background:var(--c-surface-2);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:28px;}
.section-head h2{font-size:28px;}
.section-head p{color:var(--c-muted);font-size:14px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);border-radius:2px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav-bar{display:flex;align-items:center;gap:16px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;flex:0 0 38px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;line-height:1;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink);}
.brand-text span{font-size:12px;color:var(--c-muted);}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:transparent;
  color:var(--c-body);font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--c-surface-2);color:var(--c-ink);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.nav-cta{flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover span{transform:translateX(3px);}
.burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger i{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-surface-2);padding:44px 0 36px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px;}
.breadcrumb a{color:var(--c-body);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-muted);}
.page-hero h1{font-size:36px;max-width:860px;}
.page-hero__sub{margin-top:12px;font-size:15px;color:var(--c-muted);}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0;}
.cat-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);position:relative;overflow:hidden;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);transform:scaleY(0);transform-origin:top;transition:transform .22s ease;}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.faq-q .sign{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;line-height:1;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.faq-item.is-open .faq-q .sign{background:var(--c-accent-l);border-color:var(--c-accent);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a__inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-body);}
.faq-a__inner ol{padding-left:20px;list-style:decimal;color:var(--c-body);}
.faq-a__inner li{margin-top:6px;line-height:1.8;}
.faq-a__inner li::marker{color:var(--c-primary);font-weight:600;}

/* ---------- side form ---------- */
.side-col{position:sticky;top:88px;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card > p{font-size:14px;color:var(--c-muted);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--c-ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  background:var(--c-surface);color:var(--c-ink);font-size:15px;font-family:inherit;
  border:1px solid var(--c-line);border-radius:var(--r-btn);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l);}
.field input.is-error,.field select.is-error,.field textarea.is-error{border-color:var(--c-warn);}
.field-error{display:block;min-height:0;font-size:13px;color:var(--c-warn);margin-top:6px;}
.form-card .btn{width:100%;}
.form-ok{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);background:var(--c-accent-l);color:var(--c-accent);font-size:14px;font-weight:500;}
.note-bar{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:16px;padding:14px 16px;border-radius:var(--r-card);
  background:var(--c-warn-l);border:1px solid rgba(201,125,18,.22);
  font-size:13px;line-height:1.7;color:#8A5A0D;
}
.note-bar b{color:#7A4E08;font-weight:600;}

/* ---------- self check ---------- */
.media-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.media-card img{width:100%;height:100%;min-height:260px;border-radius:0;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:0;}
.check-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--c-line);}
.check-item:last-child{border-bottom:0;padding-bottom:0;}
.check-item:first-child{padding-top:0;}
.check-num{
  flex:0 0 36px;width:36px;height:36px;border-radius:50%;
  border:1.5px solid var(--c-accent);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.check-item h3{font-size:18px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--c-body);}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--c-primary-l);border:1px solid #D5E5F6;border-radius:var(--r-card);
  padding:40px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-block h2{font-size:28px;max-width:640px;}
.cta-block p{margin-top:8px;font-size:15px;color:var(--c-body);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C6D2E0;padding:64px 0 28px;margin-top:0;}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-brand b{display:block;color:#fff;font-size:18px;font-weight:700;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#9EB0C4;max-width:340px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#C6D2E0;font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-divider{height:1px;background:rgba(255,255,255,.12);margin:40px 0 20px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8FA2B8;}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:var(--c-surface);border-top:1px solid var(--c-line);box-shadow:var(--sh-3);
  transform:translateY(110%);transition:transform .26s ease;
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1200px;margin:0 auto;}
.sticky-cta__text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.sticky-cta__text b{font-size:15px;color:var(--c-ink);}
.sticky-cta__text span{font-size:12.5px;color:var(--c-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-cta .btn{height:44px;padding:0 20px;font-size:14px;flex:0 0 auto;}

@media screen and (max-width:1023px){
  .nav-chips{
    position:fixed;top:0;right:0;height:100vh;width:min(86vw,340px);
    background:var(--c-surface);border-left:1px solid var(--c-line);box-shadow:var(--sh-3);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:10px;
    padding:88px 20px 28px;margin-left:0;transform:translateX(105%);
    transition:transform .28s ease;z-index:85;overflow-y:auto;
  }
  .nav-chips.is-open{transform:translateX(0);}
  .nav-chips .chip{height:44px;font-size:15px;}
  .nav-cta{display:none;}
  .burger{display:flex;}
  .page-hero h1{font-size:26px;}
  .section{padding:44px 0;}
  .cta-block{padding:28px 20px;}
  .cta-block h2{font-size:22px;}
  .side-col{position:static;top:auto;margin-top:28px;}
}
@media screen and (max-width:639px){
  .brand-text span{display:none;}
  .brand-text b{font-size:15px;}
  .nav-bar{height:64px;gap:10px;}
  .site-header.is-scrolled .nav-bar{height:58px;}
  .faq-q{padding:16px;font-size:16px;}
  .faq-a__inner{padding:0 16px 18px;}
  .form-card{padding:18px;}
  .sticky-cta__inner{gap:10px;}
  .sticky-cta__text b{font-size:14px;}
  .sticky-cta__text span{display:none;}
  .sticky-cta .btn{flex:0 0 55%;width:55%;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (min-width:1440px){
  .container{padding:0 40px;}
}