/* roulang page: index */
:root{
  --c-primary:#12508F;
  --c-primary-d:#0B3766;
  --c-primary-50:#EDF3FA;
  --c-teal:#0E9E8E;
  --c-teal-50:#E7F6F4;
  --c-amber:#F08A24;
  --c-ink:#101C2B;
  --c-ink-2:#4A5C72;
  --c-ink-3:#7C8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,28,43,.04), 0 10px 28px -16px rgba(16,28,43,.16);
  --sh-2:0 6px 18px -8px rgba(16,28,43,.18);
  --head-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px -10px rgba(16,28,43,.22)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--head-h);gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;letter-spacing:0;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.nav-links{display:none;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:8px 10px;font-size:15px;color:var(--c-ink-2);
  border-radius:8px;transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.search-box{display:none;align-items:center;gap:8px;height:38px;padding:0 12px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#FBFCFE;transition:border-color .18s ease,box-shadow .18s ease}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12)}
.search-box input{border:0;background:transparent;outline:none;width:140px;font-size:14px}
.search-box svg{flex:none;color:var(--c-ink-3)}
.burger{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;cursor:pointer;
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .search-box{display:flex}
  .burger{display:none}
}
@media (min-width:768px) and (max-width:1023px){.nav-links{display:flex;gap:0}.nav-link{padding:8px 7px;font-size:14px}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .16s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--outline{background:#fff;color:var(--c-primary);border-color:#C6D7EA}
.btn--outline:hover{border-color:var(--c-primary);background:var(--c-primary-50);transform:translateY(-1px)}
.btn--amber{background:var(--c-amber);color:#231405}
.btn--amber:hover{background:#DC7A17;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .26s ease;box-shadow:-12px 0 32px -18px rgba(16,28,43,.3);
  display:flex;flex-direction:column;padding:18px 20px 28px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:38px;height:38px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);cursor:pointer}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.drawer nav a{padding:12px 12px;border-radius:10px;color:var(--c-ink-2);font-size:15px}
.drawer nav a:hover{background:var(--c-primary-50);color:var(--c-primary)}
.drawer nav a.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line)}
.mask{position:fixed;inset:0;background:rgba(16,28,43,.38);z-index:70;opacity:0;pointer-events:none;transition:opacity .26s ease}
.mask.is-open{opacity:1;pointer-events:auto}

/* ---------- hero ---------- */
.hero{padding:56px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 78%)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--c-teal-50);color:#0A6F64;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-teal);display:inline-block}
.hero-h1{font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.4px}
.hero-h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-point{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.hero-point span.dot{width:16px;height:16px;border-radius:50%;background:var(--c-primary-50);display:inline-flex;align-items:center;justify-content:center;flex:none}
.hero-point span.dot::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/11;border-radius:16px;box-shadow:var(--sh-1);background:var(--c-primary-50)}
.float-card{
  position:absolute;right:14px;bottom:-18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:14px 18px;display:flex;align-items:center;gap:14px;max-width:260px;
}
.float-num{font-size:24px;font-weight:700;color:var(--c-primary);line-height:1}
.float-text{font-size:13px;color:var(--c-ink-2);line-height:1.5}
@media (min-width:1024px){
  .hero{padding:72px 0 88px}
  .hero-grid{grid-template-columns:6fr 6fr;gap:48px}
}

/* ---------- section base ---------- */
.section{padding:56px 0}
.section--tint{background:#fff}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{font-size:clamp(22px,2.6vw,32px);letter-spacing:-.3px}
.sec-desc{margin-top:10px;color:var(--c-ink-2);font-size:15px;max-width:640px}
.link-more{color:var(--c-primary);font-size:15px;font-weight:600;border-bottom:1px solid rgba(18,80,143,.3);padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--c-primary)}

/* ---------- claim ---------- */
.claim-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.claim-grid{grid-template-columns:5fr 7fr;gap:56px;align-items:start}}
.claim-left h2{font-size:clamp(22px,2.6vw,32px);letter-spacing:-.3px}
.claim-left p{margin-top:14px;color:var(--c-ink-2);font-size:15px}
.claim-list{border-top:1px solid var(--c-line)}
.claim-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.claim-no{font-size:14px;font-weight:700;color:var(--c-primary);letter-spacing:.5px;flex:none;width:34px;padding-top:2px}
.claim-item h3{font-size:17px;font-weight:600}
.claim-item p{margin-top:6px;font-size:14.5px;color:var(--c-ink-2)}

/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.cat-grid{grid-template-columns:repeat(4,1fr)}}
.cat-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFDCEB}
.cat-card .badge{margin-bottom:14px}
.cat-card h3{font-size:18px;font-weight:600}
.cat-card p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);flex:1}
.cat-card .go{margin-top:18px;color:var(--c-primary);font-size:14px;font-weight:600}
.cat-card:nth-child(2){background:#FBFCFE}
@media (min-width:1024px){.cat-card:nth-child(2){transform:translateY(14px)}.cat-card:nth-child(2):hover{transform:translateY(11px)}}

/* ---------- split ---------- */
.split-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;margin-bottom:44px}
.split-row:last-child{margin-bottom:0}
.split-row img{width:100%;aspect-ratio:16/10;border-radius:var(--r-img);box-shadow:var(--sh-1);background:var(--c-primary-50)}
.split-body h3{font-size:20px;font-weight:600}
.split-body p{margin-top:12px;color:var(--c-ink-2);font-size:15px}
.quote{
  margin-top:18px;padding:12px 16px;border-left:3px solid var(--c-teal);background:var(--c-teal-50);
  color:#0A6F64;font-size:14.5px;font-weight:600;border-radius:0 10px 10px 0;
}
@media (min-width:1024px){
  .split-row{grid-template-columns:6fr 6fr;gap:48px;margin-bottom:56px}
  .split-row--reverse .split-media{order:2}
}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.news-grid{grid-template-columns:1fr 1fr;gap:24px}}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-thumb{display:block;background:var(--c-primary-50)}
.news-thumb img{width:100%;aspect-ratio:16/10;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;background:rgba(18,80,143,.08);color:var(--c-primary);
}
.badge--teal{background:rgba(14,158,142,.1);color:#0A6F64}
.badge--amber{background:rgba(240,138,36,.14);color:#9A5407}
.news-date{font-size:13px;color:var(--c-ink-3)}
.news-title{font-size:17px;font-weight:600;line-height:1.5;transition:color .18s ease}
.news-card:hover .news-title{color:var(--c-primary)}
.news-excerpt{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line)}
.news-foot a{color:var(--c-primary);font-size:14px;font-weight:600}
.news-foot a:hover{text-decoration:underline}
@media (min-width:1024px){
  .news-card--lead{grid-column:1 / -1;flex-direction:row}
  .news-card--lead .news-thumb{flex:0 0 46%;display:flex}
  .news-card--lead .news-thumb img{aspect-ratio:auto;height:100%;min-height:280px}
  .news-card--lead .news-body{padding:28px 30px;justify-content:center}
  .news-card--lead .news-title{font-size:22px}
  .news-card--lead .news-excerpt{-webkit-line-clamp:3;font-size:15px}
}
.empty-card{
  grid-column:1/-1;background:#fff;border:1px dashed #C6D7EA;border-radius:var(--r-card);
  padding:44px 24px;text-align:center;
}
.empty-card h3{font-size:17px;font-weight:600}
.empty-card p{margin-top:10px;color:var(--c-ink-2);font-size:14.5px}
.empty-card .btn{margin-top:20px}
.list-more{margin-top:28px;text-align:center}

/* ---------- topics ---------- */
.topic-layout{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.topic-layout{grid-template-columns:7fr 5fr;gap:32px;align-items:start}}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);font-size:14px;color:var(--c-ink-2);transition:all .18s ease;
}
.tag:hover{border-color:var(--c-teal);color:#0A6F64;background:var(--c-teal-50)}
.tag b{color:var(--c-primary);font-weight:600}
.topic-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.topic-panel h3{font-size:16px;font-weight:600;margin-bottom:14px}
.rank-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.rank-item:last-child{border-bottom:0;padding-bottom:0}
.rank-no{width:22px;height:22px;border-radius:6px;background:var(--c-primary-50);color:var(--c-primary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}
.rank-item:nth-child(1) .rank-no{background:var(--c-amber);color:#2B1602}
.rank-item p{font-size:14.5px;color:var(--c-ink-2);line-height:1.6}
.rank-item p strong{color:var(--c-ink);font-weight:600}
.rank-item span{display:block;font-size:12.5px;color:var(--c-ink-3);margin-top:2px}
.avatar-row{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line)}
.avatars{display:flex}
.avatars img{width:32px;height:32px;border-radius:50%;border:2px solid #fff;margin-left:-8px}
.avatars img:first-child{margin-left:0}
.avatar-row p{font-size:13.5px;color:var(--c-ink-2)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.stat-num{font-size:30px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-label{margin-top:10px;font-size:14px;color:var(--c-ink-2)}
.partners{margin-top:28px;padding:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card)}
.partners h3{font-size:15px;font-weight:600;margin-bottom:16px}
.partner-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (min-width:768px){.partner-row{grid-template-columns:repeat(4,1fr)}}
.partner-block{height:52px;border-radius:10px;background:#F1F4F9;display:flex;align-items:center;justify-content:center;color:#A9B6C6;font-size:13px;letter-spacing:1px}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:20px 4px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary)}
.faq-sign{flex:none;width:22px;height:22px;border-radius:50%;background:var(--c-primary-50);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;transition:transform .2s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 4px 20px;font-size:15px;color:var(--c-ink-2)}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary-50);border:1px solid #D8E4F2;border-radius:18px;padding:32px 24px}
@media (min-width:1024px){.cta-band{padding:44px 48px}}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:6fr 6fr;gap:48px}}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);letter-spacing:-.3px}
.cta-inner p{margin-top:12px;color:var(--c-ink-2);font-size:15px;max-width:520px}
.form{display:flex;flex-wrap:wrap;gap:12px}
.field{flex:1 1 220px;min-width:0}
.field input{
  width:100%;height:44px;padding:0 14px;border:1px solid #C6D7EA;border-radius:var(--r-btn);
  background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12)}
.field input.is-error{border-color:#D64545;box-shadow:0 0 0 4px rgba(214,69,69,.12)}
.form-note{margin-top:12px;font-size:13px;color:var(--c-ink-3)}
.form-msg{margin-top:8px;font-size:13.5px;color:#D64545;display:none}
.form-msg.is-ok{color:var(--c-teal);display:block}
.form-msg.is-bad{display:block}

/* ---------- footer ---------- */
.site-footer{background:#0B2E52;color:#C9D8E8;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:52px 0 32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:4fr 3fr 3fr 4fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-brand .brand-mark{background:#1B4E86}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-col p{font-size:14px;line-height:1.8}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C9D8E8}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#9FB6CD}
.footer-phrase{margin-top:14px;font-size:13.5px;color:#9FB6CD}

/* roulang page: article */
:root{
  --c-primary:#12508F;
  --c-primary-d:#0B3766;
  --c-primary-50:#EDF3FA;
  --c-teal:#0E9E8E;
  --c-teal-50:#E8F6F4;
  --c-amber:#F08A24;
  --c-ink:#101C2B;
  --c-ink-2:#4A5C72;
  --c-ink-3:#7C8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 1px 2px rgba(16,28,43,.04), 0 10px 28px -16px rgba(16,28,43,.16);
  --shadow-h:0 6px 18px -8px rgba(16,28,43,.18);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1280px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow);}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--shadow-h);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:#C9DAEC;}
.btn--ghost:hover{border-color:var(--c-primary);background:var(--c-primary-50);transform:translateY(-1px);}
.btn--amber{background:var(--c-amber);color:#231404;}
.btn--amber:hover{background:#DD7A16;transform:translateY(-1px);box-shadow:var(--shadow-h);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;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:0 6px 20px -14px rgba(16,28,43,.28);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--c-ink);}
.nav-links{display:flex;align-items:center;gap:22px;}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;color:var(--c-ink-2);transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;border-radius:2px;
  background:transparent;transition:background-color .18s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{background:var(--c-primary);}
.nav-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;min-width:200px;
  border:1px solid var(--c-line);border-radius:999px;background:var(--c-bg);color:var(--c-ink-3);
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(18,80,143,.12);}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--c-ink);}
.search-box input::placeholder{color:var(--c-ink-3);}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--c-ink-2);
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:inline-flex;}
}
@media (max-width:767px){
  .search-box{display:none;}
  .nav-right .btn--primary{display:none;}
}
/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,28,43,.42);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .26s cubic-bezier(.4,0,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.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:10px;border:1px solid var(--c-line);background:#fff;
  font-size:20px;line-height:1;cursor:pointer;color:var(--c-ink-2);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-ink-2);
}
.drawer-nav a:hover{color:var(--c-primary);}

/* ---------- article hero ---------- */
.article-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-primary-50) 100%);
  border-bottom:1px solid var(--c-line);
  padding:28px 0 44px;
}
@media (min-width:768px){.article-hero{padding:36px 0 56px;}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);}
.breadcrumb a{color:var(--c-ink-3);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-primary);opacity:.6;}
.breadcrumb .current{color:var(--c-ink-2);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;line-height:1;background:rgba(14,158,142,.1);color:#0A7A6D;font-weight:600;
}
.article-head{margin-top:22px;max-width:880px;}
.article-title{
  font-size:clamp(26px,3.4vw,42px);line-height:1.25;font-weight:700;color:var(--c-ink);
  margin:14px 0 18px;letter-spacing:-.2px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2DF;display:inline-block;}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:40px;
  max-width:860px;margin:0 auto;padding:44px 20px 8px;
}
@media (min-width:768px){.article-layout{padding:56px 24px 8px;}}
@media (min-width:1280px){
  .article-layout{
    max-width:1120px;grid-template-columns:minmax(0,820px) 200px;gap:56px;
    padding:64px 32px 8px;align-items:start;
  }
}
.article-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:26px 20px;
}
@media (min-width:768px){.article-panel{padding:44px 48px;}}
.article-body{font-size:16px;line-height:1.9;color:var(--c-ink-2);max-width:820px;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,27px);line-height:1.4;font-weight:700;color:var(--c-ink);
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:28px 0 12px;}
.article-body h4{font-size:16px;font-weight:600;color:var(--c-ink);margin:22px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body ul{margin:0 0 20px;padding-left:20px;}
.article-body ul li{position:relative;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:-15px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{margin:0 0 20px;padding-left:22px;list-style:decimal;}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--c-primary-50);
  border-left:3px solid var(--c-primary);border-radius:0 10px 10px 0;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;height:auto;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{font-weight:600;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:10px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body thead th{background:var(--c-primary-50);color:var(--c-ink);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FAFCFE;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}

.empty-state{
  text-align:center;padding:36px 8px 24px;
}
.empty-icon{
  width:60px;height:60px;border-radius:16px;background:var(--c-primary-50);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--c-ink);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:22px;}

/* ---------- toc ---------- */
.toc{
  display:none;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;
  box-shadow:var(--shadow);padding:18px 16px;
}
@media (min-width:1280px){
  .toc{display:block;position:sticky;top:calc(var(--nav-h) + 24px);}
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-ink-3);margin-bottom:12px;}
.toc-list{display:flex;flex-direction:column;gap:8px;counter-reset:toc;}
.toc-list li{counter-increment:toc;}
.toc-list a{
  display:block;font-size:13px;line-height:1.6;color:var(--c-ink-2);padding-left:10px;
  border-left:2px solid transparent;transition:color .18s ease,border-color .18s ease;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.toc-list a:hover{color:var(--c-primary);}
.toc-list a.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);}

/* ---------- article footer blocks ---------- */
.article-foot{max-width:1120px;margin:0 auto;padding:48px 20px 0;}
@media (min-width:768px){.article-foot{padding:64px 24px 0;}}
@media (min-width:1280px){.article-foot{padding:80px 32px 0;}}
.back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:48px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:var(--c-ink);line-height:1.35;}
.section-head .more{font-size:14px;color:var(--c-primary);font-weight:600;}
.section-head .more:hover{text-decoration:underline;}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);}
.rel-thumb{position:relative;width:100%;aspect-ratio:16/10;background:var(--c-primary-50);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--c-ink);}
.rel-card:hover .rel-body h3{color:var(--c-primary);}
.rel-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{margin-top:auto;font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.faq-wrap{grid-template-columns:300px 1fr;gap:48px;align-items:start;}}
.faq-intro h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:var(--c-ink);margin-bottom:12px;line-height:1.35;}
.faq-intro p{font-size:15px;color:var(--c-ink-2);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:0 18px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:#BFD4EA;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ind{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--c-primary-50);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary .ind{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 0 18px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- cta ---------- */
.cta-section{max-width:1120px;margin:0 auto;padding:56px 20px 0;}
@media (min-width:768px){.cta-section{padding:72px 24px 0;}}
@media (min-width:1280px){.cta-section{padding:88px 32px 0;}}
.cta-card{
  background:var(--c-primary-50);border:1px solid #D7E4F2;border-radius:18px;
  padding:28px 22px;display:grid;grid-template-columns:1fr;gap:24px;
}
@media (min-width:1024px){.cta-card{grid-template-columns:1.1fr .9fr;gap:44px;padding:40px 44px;align-items:center;}}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--c-ink);line-height:1.35;margin-bottom:12px;}
.cta-card p{font-size:15px;color:var(--c-ink-2);margin-bottom:16px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;}
.cta-points span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-primary);
  background:#fff;border:1px solid #D7E4F2;border-radius:999px;padding:6px 12px;
}
.sub-form{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:20px;}
.sub-form label{font-size:13px;font-weight:600;color:var(--c-ink-2);}
.sub-form input{
  height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;
  background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;font-size:15px;
}
.sub-form input::placeholder{color:var(--c-ink-3);}
.sub-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12);}
.sub-form input.is-error{border-color:#D64545;box-shadow:0 0 0 4px rgba(214,69,69,.12);}
.form-msg{font-size:13px;color:var(--c-ink-3);}
.form-msg.is-error{color:#C63B3B;}
.form-msg.is-ok{color:#0A7A6D;}

/* ---------- footer ---------- */
.site-footer{background:#0B2E52;color:#D6E2F0;margin-top:88px;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:#1B5FA8;}
.footer-phrase{font-size:14px;line-height:1.8;color:#A9C0D8;max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.5px;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9C0D8;transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FA9C4;
}
@media (max-width:767px){
  .site-footer{margin-top:64px;padding-top:44px;}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* roulang page: category2 */
:root{
  --c-primary:#12508F;
  --c-primary-d:#0B3766;
  --c-primary-50:#EDF3FA;
  --c-teal:#0E9E8E;
  --c-amber:#F08A24;
  --c-ink:#101C2B;
  --c-ink-2:#4A5C72;
  --c-ink-3:#7C8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(16,28,43,.04),0 10px 28px -16px rgba(16,28,43,.16);
  --shadow-hover:0 6px 18px -8px rgba(16,28,43,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
button,input{font:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
body .container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){body .container{padding-left:24px;padding-right:24px;}}
@media (min-width:1280px){body .container{padding-left:32px;padding-right:32px;}}

/* ---------- 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:0 6px 18px -14px rgba(16,28,43,.35);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);text-decoration:none;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-block;padding:10px 12px;font-size:15px;color:var(--c-ink-2);border-radius:8px;transition:color .18s ease,background-color .18s ease;white-space:nowrap;}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--c-line);border-radius:999px;background:#fff;color:var(--c-ink-3);transition:border-color .18s ease,box-shadow .18s ease;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12);}
.search-box input{width:140px;border:0;outline:none;background:transparent;font-size:14px;color:var(--c-ink);}
.search-box input::placeholder{color:var(--c-ink-3);}
.burger{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-ink-2);place-items:center;cursor:pointer;transition:border-color .18s ease,color .18s ease;}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-cta-mobile{display:none;}
.nav-mask{position:fixed;inset:0;background:rgba(16,28,43,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:65;}
body.nav-open .nav-mask{opacity:1;visibility:visible;}
body.nav-open{overflow:hidden;}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-1px);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-50);transform:translateY(-1px);}
.btn--amber{background:var(--c-amber);color:#3A2200;}
.btn--amber:hover{background:#DE7A16;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;}
.badge--primary{background:rgba(18,80,143,.08);color:var(--c-primary);}
.badge--teal{background:rgba(14,158,142,.1);color:var(--c-teal);}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 14px;border:1px solid var(--c-line);border-radius:999px;background:#fff;font-size:14px;color:var(--c-ink-2);transition:border-color .18s ease,color .18s ease,background-color .18s ease;}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);}

/* ---------- 板块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section--tight{padding-top:32px;}
@media (min-width:768px){.section--tight{padding-top:40px;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.section-title{position:relative;padding-left:14px;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;color:var(--c-ink);}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);}
.section-sub{margin-top:10px;font-size:15px;color:var(--c-ink-2);}

/* ---------- 页面首屏（紧凑头图） ---------- */
.page-hero{background:var(--c-primary-50);border-bottom:1px solid var(--c-line);}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:20px 0 0;font-size:14px;color:var(--c-ink-3);}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-primary);opacity:.55;}
.breadcrumb .current{color:var(--c-ink-2);}
.page-hero__inner{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:28px 0 40px;}
.page-title{margin:14px 0 12px;font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.25;color:var(--c-ink);}
.page-lead{margin-bottom:22px;font-size:16px;color:var(--c-ink-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.page-hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;background:#fff;box-shadow:var(--shadow);}

/* ---------- 快捷跳转条 ---------- */
.anchor-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);}
.anchor-bar__label{font-size:13px;color:var(--c-ink-3);margin-right:4px;}

/* ---------- 图文交替长卡 ---------- */
.long-list{margin-top:32px;}
.long-card{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;padding:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease;}
.long-card + .long-card{margin-top:24px;}
.long-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.long-card--reverse{grid-template-columns:7fr 5fr;}
.long-card--reverse .long-card__media{order:2;}
.long-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;background:var(--c-primary-50);}
.step-no{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:rgba(14,158,142,.1);color:var(--c-teal);font-size:13px;font-weight:600;}
.card-title{margin:12px 0 8px;font-size:20px;font-weight:600;line-height:1.4;color:var(--c-ink);}
.card-text{font-size:15px;color:var(--c-ink-2);}
.point-list{margin-top:16px;list-style:none;display:grid;gap:10px;}
.point-list li{position:relative;padding-left:24px;font-size:15px;line-height:1.7;color:var(--c-ink-2);}
.point-list li::before{content:"";position:absolute;left:0;top:12px;width:14px;height:2px;border-radius:2px;background:var(--c-teal);}

/* ---------- 步骤流程 ---------- */
.step-flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;list-style:none;}
.step-flow::before{content:"";position:absolute;left:0;right:0;top:18px;height:2px;background:var(--c-line);}
.step-item{position:relative;padding:44px 20px 22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease;}
.step-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.step-index{position:absolute;top:-14px;left:20px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;box-shadow:0 10px 20px -12px rgba(18,80,143,.85);}
.step-item h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.step-item p{font-size:14px;line-height:1.7;color:var(--c-ink-2);}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.stat-item{background:#fff;padding:24px;display:flex;flex-direction:column;gap:6px;}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--c-primary);line-height:1.1;letter-spacing:.5px;}
.stat-label{font-size:14px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:32px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item + .faq-item{margin-top:12px;}
.faq-item[open]{border-color:rgba(18,80,143,.35);box-shadow:var(--shadow);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;list-style:none;transition:color .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:20px;font-weight:400;line-height:1;color:var(--c-primary);transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-band{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:32px;background:var(--c-primary-50);border:1px solid rgba(18,80,143,.14);border-radius:16px;}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;color:var(--c-ink);line-height:1.35;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--c-ink-2);}
.cta-form{display:grid;gap:12px;}
.field{width:100%;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-ink);transition:border-color .18s ease,box-shadow .18s ease;}
.field::placeholder{color:var(--c-ink-3);}
.field:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12);}
.form-tip{margin:0;font-size:13px;color:var(--c-ink-3);}
.form-tip--error{color:#C4362B;}
.form-tip--ok{color:var(--c-teal);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:56px;padding:56px 0 24px;background:#0B2E52;color:#D7E3F0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-phrase{margin-top:14px;font-size:14px;line-height:1.8;color:#A9BFD6;max-width:280px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#B7C9DC;transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#93A9C0;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .search-box input{width:110px;}
}
@media (max-width:1023px){
  .nav-wrap{min-height:56px;}
  .nav-links{position:fixed;top:0;right:0;z-index:70;display:flex;flex-direction:column;align-items:stretch;gap:4px;width:280px;max-width:86vw;height:100vh;padding:80px 20px 24px;background:#fff;box-shadow:-12px 0 32px -24px rgba(16,28,43,.6);overflow-y:auto;transform:translateX(100%);transition:transform .25s ease;}
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:10px;}
  .nav-link.is-active::after{left:12px;right:auto;width:22px;bottom:9px;}
  .nav-cta-mobile{display:inline-flex;width:100%;justify-content:center;margin-top:16px;}
  .search-box{display:none;}
  .burger{display:grid;}
  .page-hero__inner{grid-template-columns:1fr;gap:24px;padding:24px 0 32px;}
  .full-cta{display:inline-flex;width:100%;justify-content:center;}
  .step-flow{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .nav-left{gap:16px;}
  .brand-name{font-size:16px;}
  .long-card,.long-card--reverse{grid-template-columns:1fr;gap:20px;padding:18px;}
  .long-card--reverse .long-card__media{order:0;}
  .step-flow{grid-template-columns:1fr;}
  .step-flow::before{display:none;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-phrase{max-width:none;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn,.cta-form .btn{width:100%;}
  .cta-band{padding:24px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12508F;
  --c-primary-d:#0B3766;
  --c-primary-50:#EDF3FA;
  --c-teal:#0E9E8E;
  --c-amber:#F08A24;
  --c-ink:#101C2B;
  --c-ink-2:#4A5C72;
  --c-ink-3:#7C8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,28,43,.04), 0 10px 28px -16px rgba(16,28,43,.16);
  --sh-2:0 6px 18px -8px rgba(16,28,43,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- 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 .25s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 16px -10px rgba(16,28,43,.3)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:56px}
@media (min-width:768px){.nav-wrap{height:64px}}
.nav-left{display:flex;align-items:center;gap:24px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-primary);white-space:nowrap;flex:0 0 auto}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);
  color:#fff;font-size:15px;font-weight:700;line-height:1;
}
.brand-name{letter-spacing:.4px}
.nav-links{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--c-ink-2);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav-right{display:flex;align-items:center;gap:12px}
.search-box{
  display:none;align-items:center;gap:8px;height:38px;padding:0 12px;
  border:1px solid var(--c-line);border-radius:10px;background:var(--c-bg);
  color:var(--c-ink-3);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
@media (min-width:1024px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(18,80,143,.12)}
.search-box input{
  width:150px;border:0;outline:0;background:transparent;font-size:14px;color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-ink-3)}
.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;color:var(--c-ink-2);cursor:pointer;transition:.2s ease;
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
@media (min-width:1024px){.burger{display:none}}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,28,43,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:16px;
  transform:translateX(105%);transition:transform .28s ease;
  box-shadow:-24px 0 48px -28px rgba(16,28,43,.4);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;cursor:pointer;color:var(--c-ink-2);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  border:1px solid var(--c-line);border-radius:10px;background:var(--c-bg);
}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px}
.drawer-nav{display:grid;gap:4px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;
  color:var(--c-ink-2);transition:.2s ease;
}
.drawer-nav a:hover{background:var(--c-primary-50);color:var(--c-primary)}
.drawer-nav a.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(11,55,102,.85)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:rgba(18,80,143,.32)}
.btn--ghost:hover{border-color:var(--c-primary);background:var(--c-primary-50);transform:translateY(-1px)}
.btn--amber{background:var(--c-amber);color:#2A1A05}
.btn--amber:hover{background:#DD7A16;transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(221,122,22,.85)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:13px;line-height:1.4;background:rgba(18,80,143,.08);color:var(--c-primary);white-space:nowrap;
}
.badge--teal{background:rgba(14,158,142,.1);color:var(--c-teal)}
.badge--amber{background:rgba(240,138,36,.16);color:#A95706}

/* ---------- 页面头部 ---------- */
.page-head{
  background:#fff;border-bottom:1px solid var(--c-line);
  padding:24px 0 28px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:16px}
.crumb a{color:var(--c-ink-3);transition:color .2s ease}
.crumb a:hover{color:var(--c-primary)}
.crumb-sep{color:var(--c-primary)}
.crumb-current{color:var(--c-ink-2)}
.page-head-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media (min-width:900px){.page-head-grid{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:40px}}
.page-head h1{
  font-size:clamp(26px,3.6vw,38px);line-height:1.25;font-weight:700;letter-spacing:-.4px;
}
.page-head .lead{margin-top:12px;font-size:16px;color:var(--c-ink-2);max-width:620px}
.page-head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.page-head-figure{
  border-radius:var(--r-card);overflow:hidden;background:var(--c-primary-50);
  aspect-ratio:16/10;box-shadow:var(--sh-1);
}
.page-head-figure img{width:100%;height:100%;object-fit:cover}
@media (max-width:899px){.page-head-figure{display:none}}

/* ---------- 主布局 ---------- */
.layout{
  display:grid;grid-template-columns:1fr;gap:28px;
  padding:40px 0 8px;align-items:start;
}
@media (min-width:1024px){
  .layout{grid-template-columns:240px minmax(0,1fr);gap:40px;padding:64px 0 16px}
}
.side-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
@media (min-width:1024px){.side-panel{position:sticky;top:88px}}
.side-title{
  font-size:13px;letter-spacing:.14em;color:var(--c-ink-3);margin-bottom:12px;font-weight:600;
}
.side-list{display:grid;gap:4px}
@media (max-width:1023px){
  .side-list{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto;padding-bottom:6px}
}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--c-ink-2);
  transition:background-color .2s ease,color .2s ease;white-space:nowrap;
}
.side-list a:hover{background:var(--c-primary-50);color:var(--c-primary)}
.side-list a.is-current{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}
.side-count{
  font-size:12px;color:var(--c-ink-3);background:var(--c-bg);
  border-radius:999px;padding:1px 8px;
}
.side-hint{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-ink-3);
}

/* ---------- 宽卡片列表 ---------- */
.card-list{display:grid;gap:20px}
@media (min-width:768px){.card-list{gap:24px}}
.wide-card{
  display:grid;grid-template-columns:1fr;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
@media (min-width:768px){.wide-card{grid-template-columns:290px minmax(0,1fr)}}
.wide-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E0EC}
.wide-card__figure{margin:0;background:var(--c-primary-50);aspect-ratio:16/10;overflow:hidden}
.wide-card__figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.wide-card:hover .wide-card__figure img{transform:scale(1.03)}
.wide-card__body{padding:20px}
@media (min-width:768px){.wide-card__body{padding:24px}}
.wide-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.wide-card__title{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-ink)}
.wide-card__desc{margin-top:10px;font-size:15px;color:var(--c-ink-2)}
.point-list{margin-top:14px;display:grid;gap:8px}
.point-list li{position:relative;padding-left:18px;font-size:14px;color:var(--c-ink-2)}
.point-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--c-teal);
}
.wide-card__foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);
  transition:gap .2s ease,color .2s ease;
}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{color:var(--c-primary-d)}
.link-arrow:hover::after{transform:translateX(3px)}
.wide-card__meta{font-size:13px;color:var(--c-ink-3)}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1280px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--c-teal);margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-teal)}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
@media (min-width:900px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:#fff;padding:22px 20px}
.stat-num{
  display:block;font-size:28px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.stat-label{display:block;margin-top:4px;font-size:14px;color:var(--c-ink-2)}

/* ---------- 提示条 ---------- */
.tip-bar{
  display:flex;gap:12px;align-items:flex-start;padding:16px 20px;margin-top:24px;
  background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-teal);
  border-radius:var(--r-card);font-size:15px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.tip-bar strong{color:var(--c-ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#D6E0EC}
.faq-item.is-open{border-color:rgba(18,80,143,.3);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  position:relative;flex:0 0 auto;width:18px;height:18px;border-radius:50%;
  background:var(--c-primary-50);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr;gap:28px;padding:32px 24px;
  background:var(--c-primary-50);border:1px solid rgba(18,80,143,.14);
  border-radius:20px;
}
@media (min-width:900px){
  .cta-panel{grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr);gap:48px;padding:48px;align-items:center}
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;margin-top:12px}
.cta-panel p{margin-top:12px;color:var(--c-ink-2);font-size:15px;max-width:520px}
.cta-form{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.cta-form label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field-row{display:flex;flex-wrap:wrap;gap:10px}
.field-row input{
  flex:1 1 180px;min-width:0;height:44px;padding:0 14px;border:1px solid var(--c-line);
  border-radius:var(--r-btn);background:#fff;color:var(--c-ink);outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field-row input::placeholder{color:var(--c-ink-3)}
.field-row input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12)}
.field-row input.is-error{border-color:#D64545;box-shadow:0 0 0 4px rgba(214,69,69,.12)}
.form-tip{margin-top:10px;font-size:13px;color:var(--c-ink-3);line-height:1.6}
.form-tip.is-error{color:#C63B3B}
.form-tip.is-ok{color:var(--c-teal)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;background:#0B2E52;color:#D7E3F1;padding:52px 0 24px}
@media (min-width:768px){.site-footer{padding:64px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.16);color:#fff}
.footer-phrase{margin-top:14px;font-size:14px;color:#B9CCE0;max-width:320px;line-height:1.8}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B9CCE0;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8FA9C4;
}

/* roulang page: category3 */
:root{
  --c-primary:#12508F;
  --c-primary-d:#0B3766;
  --c-primary-50:#EDF3FA;
  --c-teal:#0E9E8E;
  --c-teal-50:#E7F6F4;
  --c-amber:#F08A24;
  --c-ink:#101C2B;
  --c-ink-2:#4A5C72;
  --c-ink-3:#7C8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,28,43,.04),0 10px 28px -16px rgba(16,28,43,.16);
  --sh-2:0 6px 18px -8px rgba(16,28,43,.18);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);background:var(--c-primary-d)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:#CBD9EA}
.btn--ghost:hover{border-color:var(--c-primary);background:var(--c-primary-50);transform:translateY(-1px)}
.btn--amber{background:var(--c-amber);color:#2A1704;box-shadow:var(--sh-1)}
.btn--amber:hover{background:#DD7A15;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- 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:0 6px 20px -14px rgba(16,28,43,.28)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--c-ink)}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),#1C6FB8);color:#fff;font-size:16px;font-weight:700;
}
.brand-name{letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:0 12px;height:64px;line-height:64px;
  font-size:15px;color:var(--c-ink-2);font-weight:500;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;min-width:200px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-bg);
  color:var(--c-ink-3);transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(18,80,143,.12)}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--c-ink)}
.search-box input::placeholder{color:var(--c-ink-3)}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;align-items:center;justify-content:center;color:var(--c-ink-2);cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
@media(max-width:1023px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;border-bottom:1px solid var(--c-line);padding:8px 0 16px;
    box-shadow:0 18px 30px -20px rgba(16,28,43,.35);
  }
  .nav-links.is-open{display:flex}
  .nav-link{height:auto;line-height:1.6;padding:12px 24px;font-size:15px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--c-primary-50)}
  .burger{display:inline-flex}
  .search-box{min-width:0;width:150px}
}
@media(max-width:639px){
  .search-box{display:none}
  .nav-right .btn--primary{display:none}
  .brand{font-size:16px}
}

/* ---------- 页头 ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--c-line);padding:20px 0 40px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:24px}
.breadcrumb a{color:var(--c-ink-3);transition:color .18s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-primary);opacity:.6}
.breadcrumb .current{color:var(--c-ink-2)}
.page-head-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-50);color:var(--c-primary);font-size:13px;font-weight:600;
}
.page-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:700;margin:16px 0 14px;letter-spacing:-.2px}
.page-head .lead{font-size:16px;color:var(--c-ink-2);max-width:620px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--c-bg);border:1px solid var(--c-line);color:var(--c-ink-2);font-size:13px;
  transition:all .18s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.tag--teal{background:var(--c-teal-50);color:#0A7A6D;border-color:transparent}
.page-head-media{position:relative}
.page-head-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1)}
.page-head-media .float-card{
  position:absolute;left:-16px;bottom:18px;background:#fff;border:1px solid var(--c-line);
  border-radius:12px;padding:12px 16px;box-shadow:var(--sh-1);font-size:13px;color:var(--c-ink-2);
  display:flex;align-items:center;gap:10px;
}
.page-head-media .float-card b{color:var(--c-primary);font-size:16px}
@media(max-width:900px){
  .page-head-grid{grid-template-columns:1fr;gap:24px}
  .page-head-media img{aspect-ratio:16/9}
  .page-head-media .float-card{left:12px;bottom:12px}
}

/* ---------- 板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section--white{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:clamp(21px,2.4vw,29px);line-height:1.35;font-weight:700}
.section-head p{margin-top:8px;color:var(--c-ink-2);font-size:15px;max-width:640px}
.text-link{color:var(--c-primary);font-size:14px;font-weight:600;white-space:nowrap;border-bottom:1px solid transparent;transition:border-color .18s ease}
.text-link:hover{border-color:var(--c-primary)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  margin-bottom:28px;
}
.filter-bar .label{font-size:13px;color:var(--c-ink-3);margin-right:4px}
.chip{
  height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:13px;cursor:pointer;transition:all .18s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 活动卡片网格（四列不等高） ---------- */
.activity-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DFEC}
.card-media{position:relative;aspect-ratio:16/10;background:var(--c-primary-50);overflow:hidden}
.card--tall .card-media{aspect-ratio:16/14}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--c-ink);transition:color .18s ease}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body .desc{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card--tall .card-body .desc{-webkit-line-clamp:2}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;background:rgba(18,80,143,.08);color:var(--c-primary);
}
.badge--teal{background:rgba(14,158,142,.12);color:#0A7A6D}
.badge--amber{background:rgba(240,138,36,.14);color:#A65B0C}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:12px 18px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);
}
.card-foot a{color:var(--c-primary);font-weight:600}
.card-foot a:hover{text-decoration:underline}
@media(max-width:1023px){.activity-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:639px){.activity-grid{grid-template-columns:1fr}}

/* ---------- 节奏 / 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 20px;box-shadow:var(--sh-1);
}
.step .num{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:1px}
.step h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.step p{font-size:14px;color:var(--c-ink-2)}
.step::after{
  content:"";position:absolute;right:-14px;top:44px;width:8px;height:8px;border-radius:50%;
  background:var(--c-teal);opacity:.55;
}
.steps .step:last-child::after{display:none}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}.step::after{display:none}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.stat{background:#fff;padding:26px 22px;text-align:center}
.stat b{display:block;font-size:24px;font-weight:700;color:var(--c-primary);letter-spacing:.5px}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--c-ink-2)}
@media(max-width:768px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background-color .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-primary-50);color:var(--c-primary)}
.faq-item summary::after{content:"+";font-size:20px;font-weight:500;color:var(--c-primary);line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item .answer{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--c-primary-50);border:1px solid #D8E5F4;border-radius:18px;
  padding:36px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
}
.cta-card h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4}
.cta-card p{margin-top:12px;color:var(--c-ink-2);font-size:15px}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form .row{display:flex;gap:12px}
.input{
  flex:1;height:44px;border:1px solid #C9D8E9;border-radius:var(--r-btn);background:#fff;
  padding:0 14px;font-size:15px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.input::placeholder{color:var(--c-ink-3)}
.input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,80,143,.12)}
.form-note{font-size:13px;color:var(--c-ink-3)}
@media(max-width:860px){
  .cta-card{grid-template-columns:1fr;padding:26px;gap:22px}
  .cta-form .row{flex-direction:column}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B2E52;color:#D7E3F1;margin-top:0;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:#1D6BB0}
.footer-phrase{margin-top:14px;font-size:14px;line-height:1.8;color:#A9C1DA;max-width:300px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:#A9C1DA;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FA9C4;
}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;gap:26px}}

/* roulang page: category4 */
:root{
  --c-primary:#12508F;
  --c-primary-d:#0B3766;
  --c-primary-50:#EDF3FA;
  --c-teal:#0E9E8E;
  --c-teal-50:#E7F6F4;
  --c-amber:#F08A24;
  --c-ink:#101C2B;
  --c-ink-2:#4A5C72;
  --c-ink-3:#7C8CA0;
  --c-line:#E4EAF1;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,28,43,.04), 0 10px 28px -16px rgba(16,28,43,.16);
  --sh-2:0 6px 18px -8px rgba(16,28,43,.18);
  --nav-h:64px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
: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:768px){ .container{padding:0 24px;} }
@media (min-width:1280px){ .container{padding:0 32px;} }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,28,43,.35);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-d));
  color:#fff;
  font-size:17px;
  font-weight:700;
  letter-spacing:0;
}
.brand-name{
  font-size:18px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.5px;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  color:var(--c-ink-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-bg);
  color:var(--c-ink-3);
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.search-box:focus-within{
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 4px rgba(18,80,143,.12);
}
.search-box input{
  border:0;
  outline:none;
  background:transparent;
  width:150px;
  font-size:14px;
  color:var(--c-ink);
}
.search-box input::placeholder{color:var(--c-ink-3);}
.burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  color:var(--c-ink-2);
  background:#fff;
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.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-50);color:var(--c-primary-d);transform:translateY(-1px);}
.btn--amber{background:var(--c-amber);color:#231303;box-shadow:var(--sh-1);}
.btn--amber:hover{background:#DE7B15;color:#1A0E02;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--sm{height:40px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed;}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(86vw,340px);
  height:100%;
  background:#fff;
  border-left:1px solid var(--c-line);
  box-shadow:-16px 0 40px -24px rgba(16,28,43,.5);
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:18px 20px 26px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);
}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  padding:12px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-ink-2);
}
.drawer nav a:hover{background:var(--c-primary-50);color:var(--c-primary);}
.drawer nav a.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px;}
.overlay{
  position:fixed;inset:0;
  background:rgba(16,28,43,.42);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease, visibility .24s ease;
  z-index:80;
}
.overlay.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:14px 0;
  font-size:14px;
  color:var(--c-ink-3);
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-primary);font-weight:700;}
.breadcrumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- Page hero ---------- */
.page-hero{
  background:
    radial-gradient(1000px 320px at 12% -30%, rgba(18,80,143,.10), rgba(18,80,143,0) 70%),
    #fff;
  border-bottom:1px solid var(--c-line);
  padding:44px 0 48px;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:40px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--c-teal-50);
  color:#0A7A6D;
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
}
.page-hero h1{
  margin-top:16px;
  font-size:clamp(28px,4vw,46px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.5px;
}
.page-hero h1 .hl{color:var(--c-primary);}
.hero-lead{
  margin-top:16px;
  max-width:640px;
  font-size:16px;
  color:var(--c-ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--c-line);
}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);}
.hero-points i{color:var(--c-teal);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  border-radius:16px;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.hero-badge{
  position:absolute;
  left:-8px;
  bottom:-14px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:14px 18px;
  min-width:190px;
}
.hero-badge strong{display:block;font-size:20px;color:var(--c-primary);line-height:1.3;}
.hero-badge span{font-size:13px;color:var(--c-ink-3);}

/* ---------- Sections ---------- */
.section{padding:64px 0;}
.section--white{background:#fff;}
.section--soft{background:var(--c-bg);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:15.5px;}
.section-head--row{
  max-width:none;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.section-head--row .section-head{max-width:680px;margin-bottom:0;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:9px;}

/* ---------- Support type cards ---------- */
.type-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.type-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display:flex;
  gap:18px;
}
.type-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DEEB;}
.type-card .ico{
  flex:0 0 44px;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--c-primary-50);
  color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;
}
.type-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.type-card p{font-size:14.5px;color:var(--c-ink-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;
  border-radius:999px;
  font-size:13px;
  background:rgba(18,80,143,.08);
  color:var(--c-primary);
}
.tag--teal{background:rgba(14,158,142,.12);color:#0A7A6D;}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding:8px 0;}
.timeline::before{
  content:"";
  position:absolute;
  left:50%;
  top:0;bottom:0;
  width:2px;
  transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(18,80,143,.25),var(--c-primary),rgba(18,80,143,.25));
  border-radius:2px;
}
.tl-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) 72px minmax(0,1fr);
  align-items:center;
  margin-bottom:26px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  grid-column:2;
  justify-self:center;
  width:10px;height:10px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--c-primary);
  box-shadow:0 0 0 5px rgba(18,80,143,.10);
}
.tl-card{
  grid-column:1;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease, box-shadow .2s ease;
}
.tl-item:nth-child(even) .tl-card{grid-column:3;}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tl-step{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--c-teal);
  margin-bottom:6px;
}
.tl-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.tl-card p{font-size:14.5px;color:var(--c-ink-2);}
.tl-card ul{margin-top:12px;display:flex;flex-direction:column;gap:6px;}
.tl-card ul li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--c-ink-2);
}
.tl-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-primary);
}

/* ---------- Documents strip ---------- */
.strip{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:36px;
  align-items:center;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:16px;
  padding:28px;
  box-shadow:var(--sh-1);
}
.strip img{
  width:100%;
  aspect-ratio:16/10;
  border-radius:var(--r-img);
  border:1px solid var(--c-line);
}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:20px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--c-ink-2);}
.check-list i{color:var(--c-teal);margin-top:4px;}
.check-list strong{color:var(--c-ink);font-weight:600;}

/* ---------- Stats ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.stat-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.stat-card .num{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
}
.stat-card .label{margin-top:8px;font-size:14.5px;font-weight:600;}
.stat-card .desc{margin-top:6px;font-size:13.5px;color:var(--c-ink-3);}
.note-bar{
  margin-top:22px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:var(--c-primary-50);
  border:1px solid #D8E5F3;
  border-radius:var(--r-card);
  padding:16px 18px;
  font-size:14px;
  color:var(--c-ink-2);
}
.note-bar i{color:var(--c-primary);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover{border-color:#D3DEEB;}
.faq-item.is-open{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
}
.faq-q .plus{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-primary-50);
  color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
  font-weight:700;
  transition:transform .2s ease, background .2s ease, color .2s ease;
}
.faq-item.is-open .faq-q .plus{background:var(--c-primary);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-ink-2);
}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--c-primary-50);
  border:1px solid #D8E5F3;
  border-radius:16px;
  padding:34px;
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:36px;
  align-items:center;
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.cta-card p{margin-top:12px;color:var(--c-ink-2);font-size:15px;}
.cta-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2);}
.cta-list i{color:var(--c-teal);margin-top:4px;}
.form-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-ink-2);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;
  height:44px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  font-size:15px;
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(18,80,143,.12);
}
.field.has-error input,.field.has-error textarea{border-color:#D64545;box-shadow:none;}
.field .msg{display:none;margin-top:6px;font-size:13px;color:#C63B3B;}
.field.has-error .msg{display:block;}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--c-ink-3);line-height:1.6;}
.form-ok{display:none;margin-top:12px;font-size:13.5px;color:#0A7A6D;}
.form-ok.is-show{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  background:#0B2E52;
  color:rgba(255,255,255,.78);
  padding:56px 0 24px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:34px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-phrase{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .burger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-media{max-width:560px;}
  .strip{grid-template-columns:1fr;gap:24px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{grid-template-columns:1fr;gap:26px;}
  .timeline::before{left:9px;transform:none;}
  .tl-item{grid-template-columns:minmax(0,1fr);padding-left:36px;}
  .tl-item .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:1;}
  .tl-node{
    grid-column:1;
    justify-self:start;
    position:absolute;
    left:4px;
  }
  .tl-item{position:relative;}
  .tl-node{left:4px;top:26px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .page-hero{padding:32px 0 38px;}
  .type-grid{grid-template-columns:1fr;}
  .type-card{padding:20px;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-phrase{max-width:none;}
  .hero-actions .btn{width:100%;}
  .cta-card{padding:24px;}
  .stat-grid{grid-template-columns:1fr;}
  .hero-badge{position:static;margin-top:14px;left:auto;bottom:auto;display:inline-block;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .nav-wrap{gap:10px;}
  .brand-name{font-size:16px;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a p{padding:0 16px 16px;}
}