/* roulang page: index */
:root{
  --brand:#1256D6;
  --brand-700:#0C3FA8;
  --brand-50:#EDF3FF;
  --brand-100:#D8E5FF;
  --accent:#FF7A1A;
  --accent-700:#E05F00;
  --ink:#101828;
  --ink-2:#5B6478;
  --ink-3:#98A2B3;
  --line:#E4E9F2;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FB;
  --ink-900:#0B1730;
  --ok:#12805C;
  --warn:#C4320A;
  --err:#B42318;
  --r-lg:20px;
  --r:16px;
  --r-sm:12px;
  --r-xs:10px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 12px 28px rgba(18,86,214,.10);
  --sh-3:0 4px 16px rgba(16,24,40,.06);
  --wrap:1200px;
  --tick-h:42px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,button,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,86,214,.25);border-radius:6px;}
.container{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-50);border-radius:999px;padding:5px 14px;
  letter-spacing:.02em;
}
.eyebrow--accent{background:rgba(255,122,26,.12);color:var(--accent-700);}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section__head{max-width:760px;margin-bottom:44px;}
.section__head h2{
  font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:16px 0 10px;
}
.section__head p{color:var(--ink-2);font-size:16px;}
.section__bar{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;
}
.section__bar h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.section__bar p{color:var(--ink-2);font-size:15px;margin-top:8px;}

/* ---------- 顶部倒计时条 ---------- */
.ticker{
  position:sticky;top:0;z-index:60;height:var(--tick-h);
  background:var(--brand-50);border-bottom:1px solid var(--brand-100);
  border-top:2px solid var(--accent);
  display:flex;align-items:center;
}
.ticker__inner{
  max-width:var(--wrap);margin:0 auto;width:100%;padding:0 24px;
  display:flex;align-items:center;gap:14px;font-size:13.5px;color:var(--ink-2);
  overflow:hidden;white-space:nowrap;
}
.ticker__dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(255,122,26,.14);
}
.ticker__label{font-weight:600;color:var(--ink);}
.ticker__clock{display:flex;align-items:center;gap:6px;}
.ticker__num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:26px;padding:0 6px;border-radius:6px;
  background:#fff;border:1px solid var(--brand-100);
  color:var(--brand-700);font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.ticker__sep{color:var(--brand-100);font-weight:700;}
.ticker__link{
  margin-left:auto;color:var(--brand);font-weight:600;flex:0 0 auto;
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:border-color .15s ease,color .15s ease;
}
.ticker__link:hover{border-color:var(--brand);color:var(--brand-700);}
.ticker__tip{color:var(--ink-3);}

/* ---------- 主导航 ---------- */
.nav{
  position:sticky;top:var(--tick-h);z-index:55;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.nav.is-scrolled{box-shadow:var(--sh-3);}
.nav__inner{
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:34px;height:34px;flex:0 0 auto;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.brand__sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.02em;}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav__link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--ink-2);
  transition:color .15s ease,background .15s ease;
}
.nav__link:hover{color:var(--brand);background:var(--brand-50);}
.nav__link.is-active{
  color:var(--brand);background:var(--brand-50);font-weight:600;
  box-shadow:inset 0 -2px 0 var(--brand);
}
.nav__right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search{
  display:flex;align-items:center;gap:8px;height:40px;width:210px;
  background:var(--bg-soft);border:1px solid transparent;border-radius:999px;
  padding:0 14px;transition:width .2s ease,border-color .2s ease,background .2s ease;
}
.search:focus-within{width:300px;background:#fff;border-color:var(--brand-100);}
.search svg{flex:0 0 auto;}
.search input{
  border:0;background:transparent;width:100%;font-size:14px;outline:none;color:var(--ink);
}
.search input::placeholder{color:var(--ink-3);}
.nav__login{
  font-size:14.5px;color:var(--ink-2);padding:0 6px;
  transition:color .15s ease;
}
.nav__login:hover{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-xs);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .15s ease,color .15s ease,transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--outline{background:#fff;color:var(--brand);border-color:var(--brand-100);}
.btn--outline:hover{background:var(--brand-50);border-color:var(--brand);}
.btn--ghost{background:transparent;color:var(--brand);padding:0 10px;}
.btn--ghost:hover{color:var(--brand-700);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.nav__cta{height:40px;border-radius:999px;padding:0 20px;font-size:14.5px;}
.nav__burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-xs);align-items:center;justify-content:center;cursor:pointer;
}
.nav__burger span{display:block;width:16px;height:2px;background:var(--ink);position:relative;}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);
}
.nav__burger span::before{top:-5px;}
.nav__burger span::after{top:5px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:320px;max-width:86vw;background:#fff;
  z-index:90;transform:translateX(100%);transition:transform .25s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:-10px 0 30px rgba(16,24,40,.12);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:18px;line-height:1;cursor:pointer;color:var(--ink-2);
}
.drawer__nav{display:flex;flex-direction:column;gap:6px;}
.drawer__nav a{
  padding:12px 14px;border-radius:var(--r-xs);font-size:15px;color:var(--ink-2);
  border:1px solid transparent;
}
.drawer__nav a:hover{background:var(--brand-50);color:var(--brand);}
.drawer__nav a.is-active{background:var(--brand-50);color:var(--brand);font-weight:600;border-color:var(--brand-100);}
.drawer__search{
  display:flex;align-items:center;gap:8px;height:44px;background:var(--bg-soft);
  border-radius:var(--r-xs);padding:0 14px;margin:16px 0 8px;
}
.drawer__search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.drawer__foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:24px;}
.mask{
  position:fixed;inset:0;background:rgba(11,23,48,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,var(--brand-50) 0%,rgba(237,243,255,0) 62%),
    #fff;
  padding:72px 0 68px;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;
  border-radius:50%;border:1px solid rgba(18,86,214,.08);
  box-shadow:0 0 0 60px rgba(18,86,214,.035);
  pointer-events:none;
}
.hero__grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
}
.hero__copy{grid-column:span 6;}
.hero__title{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.01em;margin:18px 0 16px;
}
.hero__title em{font-style:normal;color:var(--brand);}
.hero__sub{
  font-size:17px;color:var(--ink-2);max-width:520px;
}
.hero__cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero__stats{
  display:flex;align-items:center;gap:0;margin-top:34px;
}
.stat{padding:0 22px;}
.stat:first-child{padding-left:0;}
.stat + .stat{border-left:1px solid var(--line);}
.stat__num{
  font-size:22px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.stat__num span{font-size:14px;color:var(--ink-2);font-weight:600;margin-left:2px;}
.stat__label{font-size:13px;color:var(--ink-3);margin-top:2px;}
.hero__media{grid-column:span 6;position:relative;}
.hero__figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:#EEF1F6;aspect-ratio:16/10;box-shadow:var(--sh-3);
}
.hero__figure img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;left:-24px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:14px 18px;box-shadow:0 12px 28px rgba(16,24,40,.10);
  display:flex;align-items:center;gap:12px;
}
.float-card__icon{
  width:36px;height:36px;border-radius:10px;background:var(--brand-50);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:700;font-size:15px;
}
.float-card__num{
  font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;
}
.float-card__label{font-size:12.5px;color:var(--ink-3);}

/* ---------- 活动卖点 ---------- */
.points__grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.points__aside{position:sticky;top:132px;}
.points__aside h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:16px 0 14px;}
.points__aside p{color:var(--ink-2);font-size:15.5px;margin-bottom:22px;}
.point{
  display:grid;grid-template-columns:78px 1fr;gap:20px;padding:26px 0;
  border-top:1px solid var(--line);
}
.point:last-child{border-bottom:1px solid var(--line);}
.point__num{
  font-size:30px;font-weight:700;color:var(--accent);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.point__title{font-size:19px;font-weight:600;margin-bottom:6px;}
.point__text{color:var(--ink-2);font-size:15.5px;max-width:640px;}

/* ---------- 亮点图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.wall__item{
  position:relative;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--line);background:#EEF1F6;aspect-ratio:16/11;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.wall__item--tall{aspect-ratio:3/4;}
.wall__item--wide{aspect-ratio:16/9;}
.wall__item img{width:100%;height:100%;object-fit:cover;}
.wall__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.wall__cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;
  background:linear-gradient(180deg,rgba(11,23,48,0) 0%,rgba(11,23,48,.72) 100%);
  color:#fff;font-size:13px;font-weight:600;
  opacity:0;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease;
}
.wall__item:hover .wall__cap{opacity:1;transform:translateY(0);}

/* ---------- 最新信息 ---------- */
.news__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news__list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.news-card__link{display:flex;flex-direction:column;height:100%;}
.news-card__thumb{
  aspect-ratio:16/9;background:#EEF1F6;border-bottom:1px solid var(--line);overflow:hidden;
}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-card__badge{
  display:inline-flex;align-self:flex-start;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--brand-50);color:var(--brand);
  font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.news-card__title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .15s ease;
}
.news-card:hover .news-card__title{color:var(--brand);}
.news-card__desc{
  color:var(--ink-2);font-size:14.5px;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
  margin-top:auto;
}
.news-card__meta time{
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.news-card--lead{grid-column:span 3;}
.news-card--lead .news-card__link{flex-direction:row;align-items:stretch;}
.news-card--lead .news-card__thumb{
  flex:0 0 46%;aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line);
}
.news-card--lead .news-card__body{padding:32px 36px;justify-content:center;}
.news-card--lead .news-card__title{font-size:24px;line-height:1.4;}
.news-card--lead .news-card__desc{font-size:15.5px;-webkit-line-clamp:3;}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--r);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-state__box{
  width:96px;height:64px;border-radius:var(--r-sm);background:var(--bg-soft);
  border:1px solid var(--line);margin:0 auto 18px;
}
.empty-state p{color:var(--ink-2);font-size:15px;}
.empty-state a{color:var(--brand);font-weight:600;border-bottom:1px solid var(--brand-100);}

/* ---------- CTA / 表单 ---------- */
.cta{background:var(--brand-50);border-top:1px solid var(--brand-100);border-bottom:1px solid var(--brand-100);}
.cta__grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.cta__copy h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:16px 0 14px;}
.cta__copy p{color:var(--ink-2);font-size:15.5px;margin-bottom:22px;}
.cta__list{display:flex;flex-direction:column;gap:12px;}
.cta__list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
.cta__list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--brand);
  margin-top:9px;
}
.form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:28px;box-shadow:var(--sh-1);
}
.form__row{margin-bottom:16px;}
.form__row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.form__control input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-xs);
  padding:0 12px;font-size:15px;background:#fff;outline:none;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.form__control input::placeholder{color:var(--ink-3);}
.form__control input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,86,214,.18);}
.form__code{display:flex;gap:12px;}
.form__code input{flex:1;}
.form__codeimg{
  flex:0 0 118px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);
  background:repeating-linear-gradient(45deg,var(--bg-soft) 0 8px,#fff 8px 16px);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.14em;color:var(--brand-700);
  user-select:none;
}
.form__agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);margin:6px 0 18px;}
.form__agree input{margin-top:4px;}
.form__agree a{color:var(--brand);border-bottom:1px solid var(--brand-100);}
.form .btn{width:100%;}
.form__hint{font-size:13px;color:var(--ink-3);margin-top:12px;text-align:center;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq__item{border-bottom:1px solid var(--line);}
.faq__item:first-child{border-top:1px solid var(--line);}
.faq__q{
  width:100%;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);padding:0;
  transition:color .15s ease;
}
.faq__q:hover{color:var(--brand);}
.faq__icon{
  flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform .2s ease;
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:var(--ink-3);border-radius:2px;
}
.faq__icon::before{left:0;top:8px;width:18px;height:2px;}
.faq__icon::after{left:8px;top:0;width:2px;height:18px;}
.faq__q[aria-expanded="true"] .faq__icon{transform:rotate(180deg);}
.faq__q[aria-expanded="true"] .faq__icon::after{opacity:0;}
.faq__a{
  max-height:0;overflow:hidden;transition:max-height .2s ease;
}
.faq__a p{font-size:16px;line-height:1.8;color:var(--ink-2);padding:0 40px 22px 0;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C3CCDE;padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .brand__name{color:#fff;}
.footer__brand .brand__sub{color:#7E8AA6;}
.footer__desc{font-size:14px;line-height:1.8;color:#98A2B3;max-width:320px;}
.footer__col h4{font-size:14.5px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer__col ul{display:flex;flex-direction:column;gap:10px;}
.footer__col a{font-size:14px;color:#9BA6BC;transition:color .15s ease;}
.footer__col a:hover{color:#fff;}
.footer__bar{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#7E8AA6;flex-wrap:wrap;
}

/* ---------- 移动端底部动作条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding:10px 16px;gap:12px;align-items:center;
  box-shadow:0 -6px 20px rgba(16,24,40,.06);
}
.mobile-bar .btn{flex:1;height:46px;}
.to-top{
  width:46px;height:46px;flex:0 0 auto;border-radius:var(--r-xs);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.floating-top{
  position:fixed;right:26px;bottom:32px;z-index:65;
  width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-3);display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--brand);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease,transform .2s ease;
}
.floating-top.is-show{opacity:1;visibility:visible;}
.floating-top:hover{transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero__title{font-size:36px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav__links,.search,.nav__login{display:none;}
  .nav__burger{display:flex;}
  .hero{padding:56px 0;}
  .hero__grid{gap:32px;}
  .hero__copy{grid-column:span 12;}
  .hero__media{grid-column:span 12;}
  .float-card{left:16px;bottom:16px;}
  .points__grid{grid-template-columns:1fr;gap:28px;}
  .points__aside{position:static;}
  .wall{grid-template-columns:repeat(3,1fr);}
  .news__grid,.news__list{grid-template-columns:repeat(2,1fr);}
  .news-card--lead{grid-column:span 2;}
  .news-card--lead .news-card__link{flex-direction:column;}
  .news-card--lead .news-card__thumb{flex:none;aspect-ratio:16/9;border-right:0;border-bottom:1px solid var(--line);}
  .news-card--lead .news-card__body{padding:24px;}
  .cta__grid{grid-template-columns:1fr;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .ticker__inner{padding:0 16px;gap:10px;}
  .ticker__tip{display:none;}
  .ticker__label{max-width:112px;overflow:hidden;text-overflow:ellipsis;}
  .nav__inner{padding:0 16px;height:62px;gap:12px;}
  .brand__sub{display:none;}
  .brand__name{font-size:15.5px;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .hero{padding:44px 0 48px;}
  .hero__title{font-size:28px;}
  .hero__sub{font-size:16px;}
  .hero__cta{flex-direction:column;}
  .hero__cta .btn{width:100%;}
  .hero__stats{margin-top:26px;}
  .stat{padding:0 14px;}
  .stat__num{font-size:19px;}
  .section__bar{flex-direction:column;align-items:flex-start;gap:10px;}
  .section__head h2,.section__bar h2,.points__aside h2,.cta__copy h2{font-size:23px;}
  .point{grid-template-columns:56px 1fr;gap:14px;padding:22px 0;}
  .point__num{font-size:24px;}
  .wall{grid-template-columns:repeat(2,1fr);gap:12px;}
  .wall__cap{opacity:1;transform:none;font-size:12px;padding:20px 10px 8px;}
  .news__grid,.news__list{grid-template-columns:1fr;}
  .news-card--lead{grid-column:span 1;}
  .form{padding:20px;}
  .faq__q{height:auto;min-height:56px;padding:14px 0;font-size:15.5px;}
  .faq__a p{padding:0 0 20px;font-size:15px;}
  .footer{padding:48px 0 0;}
  .footer__grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer__bar{flex-direction:column;align-items:flex-start;gap:8px;padding-bottom:96px;}
  .mobile-bar{display:flex;}
  .floating-top{display:none;}
}
@media (max-width:479px){
  .hero__title{font-size:25px;}
  .stat:first-child{padding-left:0;}
  .stat + .stat{border-left:0;padding-left:0;}
  .hero__stats{flex-direction:column;align-items:flex-start;gap:12px;}
  .wall{grid-template-columns:1fr;}
  .wall__item--tall,.wall__item--wide{aspect-ratio:16/11;}
}

/* roulang page: article */
:root{
  --brand:#1256D6;
  --brand-700:#0C3FA8;
  --brand-50:#EDF3FF;
  --brand-100:#D8E5FF;
  --accent:#FF7A1A;
  --accent-700:#E05F00;
  --ink:#101828;
  --ink-2:#5B6478;
  --ink-3:#98A2B3;
  --line:#E4E9F2;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FB;
  --ink-900:#0B1730;
  --success:#12805C;
  --warn:#C4320A;
  --error:#B42318;
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 12px 28px rgba(18,86,214,.10);
  --sh-nav:0 4px 16px rgba(16,24,40,.06);
  --max:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-700);}
button,input{font-family:inherit;font-size: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:0;box-shadow:0 0 0 3px rgba(18,86,214,.25);border-radius:6px;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.nav.is-scrolled{box-shadow:var(--sh-nav);}
.nav__inner{max-width:var(--max);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;gap:26px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:36px;height:36px;flex:0 0 auto;}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand__sub{font-size:11px;color:var(--ink-3);letter-spacing:.02em;}
.nav__links{display:flex;align-items:center;gap:26px;}
.nav__link{position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;transition:color .15s ease;}
.nav__link:hover{color:var(--brand);}
.nav__link.is-active{color:var(--brand);font-weight:600;}
.nav__link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand);}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search{display:flex;align-items:center;gap:8px;width:230px;height:40px;padding:0 14px;background:var(--bg-soft);border:1px solid transparent;border-radius:999px;transition:width .2s ease,background .2s ease,border-color .2s ease;}
.search:focus-within{width:320px;background:#fff;border-color:var(--brand-100);box-shadow:0 0 0 3px rgba(18,86,214,.15);}
.search input{flex:1;min-width:0;border:0;background:transparent;outline:0;font-size:14px;color:var(--ink);}
.search input::placeholder{color:var(--ink-3);}
.nav__login{font-size:15px;color:var(--ink-2);padding:8px 4px;transition:color .15s ease;}
.nav__login:hover{color:var(--brand);}
.nav__burger{display:none;width:40px;height:40px;border-radius:10px;position:relative;align-items:center;justify-content:center;}
.nav__burger span,.nav__burger span::before,.nav__burger span::after{content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav__burger span{position:relative;}
.nav__burger span::before{position:absolute;top:-6px;left:0;}
.nav__burger span::after{position:absolute;top:6px;left:0;}
.nav__burger.is-open span{background:transparent;}
.nav__burger.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav__burger.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .15s ease,color .15s ease,transform .15s ease,box-shadow .15s ease;}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand-100);}
.btn--ghost:hover{background:var(--brand-50);color:var(--brand-700);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:22px 0 0;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--line);}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--ink-3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{
  margin-top:22px;
  padding:36px 36px 32px;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  background-image:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.97)),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-1);
}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-50);color:var(--brand);font-size:13px;font-weight:600;}
.badge--accent{background:rgba(255,122,26,.12);color:var(--accent-700);}
.article-head h1{font-size:32px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:16px 0 0;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--ink-3);padding-top:16px;border-top:1px solid var(--line);}
.article-meta span.sep{width:1px;height:12px;background:var(--line);}

/* ---------- 文章布局 ---------- */
.article-main{padding:0 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:40px;margin-top:40px;align-items:start;}
.article{min-width:0;}
.article-body{font-size:17px;line-height:1.85;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{position:relative;font-size:24px;line-height:1.4;font-weight:700;margin:40px 0 16px;padding-left:14px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul li{list-style:disc;margin:6px 0;}
.article-body ol li{list-style:decimal;margin:6px 0;}
.article-body ol li::marker{color:var(--brand);font-weight:600;}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--brand-50);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:var(--ink-2);}
.article-body img{border-radius:12px;margin:24px auto;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;white-space:nowrap;}
.article-body thead th{background:var(--brand-50);color:var(--brand-700);font-weight:600;}
.article-body tbody tr:nth-child(even){background:var(--bg-soft);}
.article-body strong{font-weight:600;}

.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);font-size:13px;color:var(--ink-2);}
.tag:hover{border-color:var(--brand-100);color:var(--brand);}

.empty{margin-top:8px;padding:56px 24px;text-align:center;background:var(--bg-soft);border:1px dashed var(--line);border-radius:var(--r-lg);}
.empty__pic{width:96px;height:72px;margin:0 auto 18px;border-radius:var(--r-md);background:#E9EEF7;border:1px solid var(--line);}
.empty h2{font-size:20px;font-weight:600;margin-bottom:8px;}
.empty p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px;}
.side__card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-1);}
.side__card h3{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.side__card p{font-size:13px;line-height:1.7;color:var(--ink-2);}
.side__list li+li{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);}
.side__list a{font-size:14px;color:var(--ink-2);display:block;}
.side__list a:hover{color:var(--brand);}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:22px;font-weight:700;letter-spacing:-.01em;}
.section-head .more{font-size:14px;color:var(--brand);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100);}
.card__thumb{aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden;}
.card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card__thumb img{transform:scale(1.04);}
.card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__title{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card__title{color:var(--brand);}
.card__desc{font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}

/* ---------- 返回操作 ---------- */
.back-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}

/* ---------- CTA ---------- */
.cta-band{margin-top:72px;background:var(--brand-50);border-radius:var(--r-xl);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:32px;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(16,24,40,.12);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s ease;z-index:70;}
.to-top.is-show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{border-color:var(--brand-100);}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C7D0E0;margin-top:0;padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .brand__name{color:#fff;}
.footer__brand .brand__sub{color:#8A97B0;}
.footer__desc{font-size:14px;line-height:1.8;color:#98A6C0;max-width:320px;}
.footer__col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer__col ul li+li{margin-top:10px;}
.footer__col a{font-size:14px;color:#98A6C0;}
.footer__col a:hover{color:#fff;}
.footer__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;font-size:13px;color:#7C8AA6;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:32px;}
}
@media (max-width:1023px){
  .nav__inner{height:64px;gap:16px;}
  .nav__links{position:fixed;top:0;right:0;bottom:0;width:min(300px,84vw);background:#fff;flex-direction:column;align-items:flex-start;gap:4px;padding:88px 24px 24px;box-shadow:-12px 0 32px rgba(16,24,40,.14);transform:translateX(102%);transition:transform .24s ease;z-index:80;overflow-y:auto;}
  .nav__links.is-open{transform:none;}
  .nav__link{width:100%;padding:14px 0;font-size:16px;border-bottom:1px solid var(--line);}
  .nav__link.is-active::after{display:none;}
  .search{display:none;}
  .nav__login{display:none;}
  .nav__burger{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .side{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-main{padding-bottom:64px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav__inner{padding:0 16px;}
  .brand__name{font-size:15px;}
  .brand__sub{display:none;}
  .brand__mark{width:32px;height:32px;}
  .nav__cta{padding:0 14px;font-size:14px;}
  .article-head{padding:24px 20px;border-radius:var(--r-lg);}
  .article-head h1{font-size:24px;}
  .article-layout{margin-top:28px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:28px 20px;border-radius:var(--r-lg);}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1;}
  .back-actions .btn{flex:1;}
  .footer{padding-top:48px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .to-top{right:16px;bottom:20px;}
  .crumbs{padding-top:16px;}
  .crumbs .current{max-width:160px;}
}
@media (max-width:479px){
  .article-head h1{font-size:22px;}
  .article-meta{gap:8px;font-size:12px;}
}

/* roulang page: category1 */
:root{
  --brand:#1256D6;
  --brand-700:#0C3FA8;
  --brand-50:#EDF3FF;
  --brand-100:#D8E5FF;
  --accent:#FF7A1A;
  --accent-700:#E05F00;
  --ink:#101828;
  --ink-2:#5B6478;
  --ink-3:#98A2B3;
  --line:#E4E9F2;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FB;
  --ink-900:#0B1730;
  --ok:#12805C;
  --warn:#C4320A;
  --err:#B42318;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 12px 28px rgba(18,86,214,.10);
  --sh-nav:0 4px 16px rgba(16,24,40,.06);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
}
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{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(18,86,214,.25);border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部倒计时条 ---------- */
.topbar{
  background:var(--brand-50);
  border-top:2px solid var(--accent);
  border-bottom:1px solid var(--brand-100);
  font-size:13px;
  color:var(--ink-2);
  position:sticky;
  top:0;
  z-index:60;
}
.topbar__inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  min-height:42px;
  display:flex;
  align-items:center;
  gap:14px;
}
.topbar__tag{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;white-space:nowrap}
.topbar__tag svg{flex:0 0 auto}
.clock{display:inline-flex;align-items:center;gap:4px}
.clock__cell{
  min-width:30px;
  height:24px;
  padding:0 5px;
  border-radius:6px;
  background:#fff;
  border:1px solid var(--brand-100);
  color:var(--accent-700);
  font-weight:700;
  font-size:14px;
  line-height:22px;
  text-align:center;
}
.clock__sep{color:var(--brand-100);font-weight:700}
.topbar__note{color:var(--ink-3)}
.topbar__right{margin-left:auto;display:flex;align-items:center;gap:16px}
.topbar__link{color:var(--brand);font-weight:600;white-space:nowrap}
.topbar__link:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.topbar__close{color:var(--ink-3);font-size:16px;line-height:1;padding:4px 6px;border-radius:6px}
.topbar__close:hover{color:var(--ink);background:#fff}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;
  top:42px;
  z-index:55;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.nav.is-scrolled{box-shadow:var(--sh-nav)}
.nav__inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:70px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:38px;height:38px;flex:0 0 auto}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.brand__sub{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav__link{
  position:relative;
  padding:9px 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .15s ease,background .15s ease;
}
.nav__link:hover{color:var(--brand);background:var(--brand-50)}
.nav__link.is-active{color:var(--brand);font-weight:600;background:var(--brand-50)}
.nav__link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:220px;padding:0 14px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:999px;
  transition:width .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search:focus-within{width:300px;background:#fff;border-color:var(--brand-100);box-shadow:0 0 0 3px rgba(18,86,214,.12)}
.search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.search input::placeholder{color:var(--ink-3)}
.nav__login{font-size:15px;color:var(--ink-2);padding:9px 6px;border-radius:8px}
.nav__login:hover{color:var(--brand)}
.nav__burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;position:relative;
}
.nav__burger span,.nav__burger span::before,.nav__burger span::after{
  position:absolute;left:11px;width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";
}
.nav__burger span{top:19px}
.nav__burger span::before{top:-6px;left:0}
.nav__burger span::after{top:6px;left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--brand-700);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand-100)}
.btn--ghost:hover{background:var(--brand-50);border-color:var(--brand)}
.btn--text{color:var(--brand);padding:0 4px;font-weight:600;height:auto}
.btn--text:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.btn--light{background:#fff;color:var(--brand);border-color:#fff}
.btn--light:hover{background:var(--brand-50)}
.nav__cta{height:40px;padding:0 18px;border-radius:999px}

/* ---------- 页头 banner ---------- */
.page-hero{
  position:relative;
  min-height:250px;
  display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(237,243,255,.96) 0%,rgba(237,243,255,.88) 52%,rgba(237,243,255,.55) 100%);
}
.page-hero__inner{position:relative;width:100%;padding:44px 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:16px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--ink-3)}
.page-hero h1{font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.01em;max-width:760px}
.page-hero p{margin-top:14px;font-size:16px;color:var(--ink-2);max-width:640px}
.hero-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--brand-50);color:var(--brand);border:1px solid var(--brand-100);
}
.badge--accent{background:#FFF3E8;color:var(--accent-700);border-color:#FFE0C7}
.badge--muted{background:var(--bg-soft);color:var(--ink-2);border-color:var(--line)}

/* ---------- 数据条 ---------- */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats__inner{
  display:flex;flex-wrap:wrap;align-items:center;
  padding:22px 0;gap:0;
}
.stat{flex:1 1 0;min-width:180px;padding:0 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__num{font-size:26px;font-weight:700;line-height:1.3;color:var(--brand)}
.stat__label{font-size:13px;color:var(--ink-3);margin-top:2px}

/* ---------- 通用板块 ---------- */
section{padding:88px 0}
.sec-head{max-width:680px;margin-bottom:40px}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.06em;margin-bottom:10px;
}
.sec-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.sec-head p{margin-top:12px;color:var(--ink-2)}
.bg-soft{background:var(--bg-soft)}

/* ---------- 图文条目列表 ---------- */
.entry-list{display:flex;flex-direction:column;gap:24px}
.entry{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.entry__media{
  aspect-ratio:3/2;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--bg-soft);
  border:1px solid var(--line);
}
.entry__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.entry:hover .entry__media img{transform:scale(1.03)}
.entry__body{display:flex;flex-direction:column;gap:12px;padding:6px 4px}
.entry__title{font-size:20px;font-weight:600;line-height:1.5}
.entry:hover .entry__title{color:var(--brand)}
.entry__desc{color:var(--ink-2);font-size:15px}
.entry__tags{display:flex;flex-wrap:wrap;gap:8px}
.entry__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:6px}
.entry__meta{font-size:13px;color:var(--ink-3)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .15s ease,box-shadow .15s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:#FFF3E8;color:var(--accent-700);
  font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;line-height:1.5}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}
.step::after{
  content:"";position:absolute;right:-14px;top:44px;
  width:14px;height:1px;background:var(--line);
}
.step:last-child::after{display:none}

/* ---------- 排查清单 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 24px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;
}
.check-item svg{flex:0 0 auto;margin-top:5px}
.check-item strong{display:block;font-size:15px;font-weight:600}
.check-item span{font-size:14px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:last-child{border-bottom:0}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background .15s ease,color .15s ease;
}
.faq__q:hover{background:var(--brand-50);color:var(--brand)}
.faq__icon{
  flex:0 0 auto;width:16px;height:16px;position:relative;
  transition:transform .2s ease;
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:var(--ink-3);border-radius:2px;
}
.faq__icon::before{left:0;top:7px;width:16px;height:2px}
.faq__icon::after{left:7px;top:0;width:2px;height:16px;transition:opacity .2s ease}
.faq__q[aria-expanded="true"] .faq__icon{transform:rotate(180deg)}
.faq__q[aria-expanded="true"] .faq__icon::after{opacity:0}
.faq__q[aria-expanded="true"]{color:var(--brand)}
.faq__a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq__a p{
  padding:0 24px 20px;font-size:16px;line-height:1.8;color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta{
  background:var(--brand-50);
  border-top:1px solid var(--brand-100);
  border-bottom:1px solid var(--brand-100);
  padding:64px 0;
}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta__text h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.cta__text p{margin-top:12px;color:var(--ink-2);max-width:560px}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C7D0E0;padding:64px 0 0;font-size:14px}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .brand__name{color:#fff}
.footer__brand .brand__sub{color:#8A97AE}
.footer__desc{color:#8A97AE;line-height:1.8;max-width:340px}
.footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer__col ul{display:flex;flex-direction:column;gap:10px}
.footer__col a{color:#C7D0E0;transition:color .15s ease}
.footer__col a:hover{color:#fff}
.footer__bar{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A97AE;
}

/* ---------- 返回顶部 & 移动底栏 ---------- */
.totop{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);
  display:none;align-items:center;justify-content:center;
  color:var(--brand);transition:transform .15s ease,background .15s ease;
}
.totop:hover{background:var(--brand-50);transform:translateY(-2px)}
.totop.is-show{display:flex}
.mobilebar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container,.nav__inner,.topbar__inner{padding:0 20px}
  .nav__links{display:none}
  .nav__burger{display:block}
  .search{width:170px}
  .search:focus-within{width:220px}
  section{padding:64px 0}
  .page-hero h1{font-size:32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .entry{grid-template-columns:240px 1fr;gap:22px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .topbar__note,.topbar__close{display:none}
  .topbar__inner{min-height:40px;font-size:12px;gap:10px}
  .nav{top:40px}
  .nav__inner{height:62px;gap:12px}
  .brand__sub{display:none}
  .brand__name{font-size:15px}
  .search{display:none}
  .nav__login{display:none}
  .nav__cta{display:none}
  section{padding:48px 0}
  .page-hero{min-height:auto}
  .page-hero__inner{padding:32px 0}
  .page-hero h1{font-size:26px}
  .page-hero p{font-size:15px}
  .stats__inner{padding:8px 0}
  .stat{flex:1 1 50%;min-width:0;padding:14px 16px;border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stat__num{font-size:22px}
  .entry{grid-template-columns:1fr;padding:16px}
  .entry__media{aspect-ratio:16/9}
  .entry__foot{flex-direction:column;align-items:flex-start;gap:10px}
  .check-list{grid-template-columns:1fr}
  .cta{padding:44px 0}
  .cta__inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta__actions{width:100%;flex-direction:column}
  .cta__actions .btn{width:100%}
  .footer{padding:48px 0 0}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bar{flex-direction:column;gap:8px;margin-top:32px}
  .totop{bottom:84px;right:16px}
  .mobilebar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:75;
    background:#fff;border-top:1px solid var(--line);
    padding:10px 16px;gap:12px;align-items:center;
    box-shadow:0 -4px 16px rgba(16,24,40,.06);
  }
  .mobilebar .btn{flex:1;height:44px}
  .mobilebar .totop-mini{
    width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--brand);background:#fff;
  }
  body{padding-bottom:64px}
}
@media (max-width:520px){
  .container,.nav__inner,.topbar__inner{padding:0 16px}
  .page-hero h1{font-size:23px}
  .sec-head h2,.cta__text h2{font-size:22px}
  .steps{grid-template-columns:1fr}
  .stat{flex:1 1 100%}
  .stat:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
}

/* roulang page: category2 */
:root{
  --brand:#1256D6;
  --brand-700:#0C3FA8;
  --brand-50:#EDF3FF;
  --brand-100:#D8E5FF;
  --accent:#FF7A1A;
  --accent-700:#E05F00;
  --ink:#101828;
  --ink-2:#5B6478;
  --ink-3:#98A2B3;
  --line:#E4E9F2;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FB;
  --ink-900:#0B1730;
  --ok:#12805C;
  --warn:#C4320A;
  --err:#B42318;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 12px 28px rgba(18,86,214,.10);
  --sh-nav:0 4px 16px rgba(16,24,40,.06);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:88px;
  --dur:.15s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) ease}
a:hover{color:var(--brand-700)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;font-weight:700;line-height:1.35}
p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,86,214,.25);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) ease;
}
.nav.is-scrolled{box-shadow:var(--sh-nav)}
.nav__inner{
  max-width:1280px;margin:0 auto;padding:0 24px;
  height:70px;display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:38px;height:38px;flex:0 0 auto}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__name{font-size:17px;font-weight:700;color:var(--ink)}
.brand__sub{font-size:12px;color:var(--ink-3);letter-spacing:.02em}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);transition:color var(--dur) ease,background var(--dur) ease;
}
.nav__link:hover{color:var(--brand);background:var(--brand-50)}
.nav__link.is-active{color:var(--brand);background:var(--brand-50);font-weight:600}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 14px;
  background:var(--bg-soft);border:1px solid transparent;border-radius:var(--r-pill);
  transition:width .2s ease,border-color var(--dur) ease,background var(--dur) ease;
}
.search:focus-within{width:320px;background:#fff;border-color:var(--brand-100);box-shadow:0 0 0 3px rgba(18,86,214,.12)}
.search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.search input::placeholder{color:var(--ink-3)}
.nav__login{font-size:15px;color:var(--ink-2);padding:0 6px}
.nav__login:hover{color:var(--brand)}
.nav__burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-sm);position:relative;
}
.nav__burger span,.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--ink);
  transform:translateX(-50%);border-radius:2px;transition:transform var(--dur) ease,opacity var(--dur) ease;
}
.nav__burger span{top:19px}
.nav__burger span::before{top:-6px}
.nav__burger span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn--outline:hover{background:var(--brand-50);color:var(--brand-700)}
.btn--ghost{background:transparent;color:var(--brand);padding:0 4px;height:auto}
.btn--ghost:hover{color:var(--brand-700)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.nav__cta{height:40px;border-radius:var(--r-pill);padding:0 18px}

/* ---------- page head ---------- */
.page-head{
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
  padding:28px 0 36px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--ink-3)}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .is-current{color:var(--ink-3)}
.page-head h1{font-size:38px;line-height:1.24}
.page-head__lead{margin-top:12px;max-width:760px;color:var(--ink-2);font-size:16px}
.page-head__tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;background:var(--brand-50);color:var(--brand);
  border:1px solid var(--brand-100);
}
.badge--accent{background:#FFF3E8;color:var(--accent-700);border-color:#FFE0C7}
.badge--plain{background:#fff;color:var(--ink-2);border-color:var(--line)}

/* ---------- filters ---------- */
.filters{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:24px 0 8px;
}
.filter{
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:14px;transition:all var(--dur) ease;
}
.filter:hover{border-color:var(--brand-100);color:var(--brand)}
.filter.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.filters__hint{font-size:13px;color:var(--ink-3);margin-left:4px}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:48px 0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section__head h2{font-size:28px}
.section__head p{margin-top:8px;color:var(--ink-2);font-size:15px;max-width:620px}
.section__link{font-size:14px;color:var(--brand);white-space:nowrap}
.section__link:hover{color:var(--brand-700)}

/* ---------- card grid ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.card:focus-within{border-color:var(--brand-100);box-shadow:var(--sh-2)}
.card__media{position:relative;aspect-ratio:3/2;background:var(--bg-soft);border-bottom:1px solid var(--line);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__label{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:12px;color:var(--ink-2);
  height:24px;display:inline-flex;align-items:center;padding:0 10px;
}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:18px;line-height:1.45;font-weight:700}
.card__title a{color:var(--ink)}
.card:hover .card__title a{color:var(--brand)}
.card__desc{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;background:var(--brand-50);color:var(--brand);border:1px solid var(--brand-100);
}
.card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card__foot span{font-size:13px;color:var(--ink-3)}
.card__link{font-size:14px;font-weight:600;color:var(--brand)}
.card__link::after{content:"→";margin-left:6px;transition:margin var(--dur) ease}
.card:hover .card__link::after{margin-left:10px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:18px;border-top:2px solid var(--brand-100)}
.step__num{
  font-size:34px;font-weight:700;color:var(--brand-100);line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.stat{position:relative;padding-left:24px}
.stat+.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.stat__num{font-size:30px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.stat__num em{font-size:16px;font-style:normal;color:var(--ink-2);margin-left:4px}
.stat__label{font-size:13px;color:var(--ink-2);margin-top:6px}
.stat__note{font-size:12px;color:var(--ink-3);margin-top:4px}

/* ---------- notice list ---------- */
.rules{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.rules__aside{position:sticky;top:96px}
.rules__aside h2{font-size:28px}
.rules__aside p{margin-top:12px;color:var(--ink-2);font-size:15px}
.rulelist{border-top:1px solid var(--line)}
.rulelist li{padding:26px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:72px 1fr;gap:20px}
.rulelist .idx{font-size:22px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.6}
.rulelist h3{font-size:18px;font-weight:600;margin-bottom:6px}
.rulelist p{font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:16px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq__q:hover{color:var(--brand)}
.faq__q .chev{
  flex:0 0 auto;width:16px;height:16px;transition:transform .2s ease;color:var(--ink-3);
}
.faq__q[aria-expanded="true"]{color:var(--brand)}
.faq__q[aria-expanded="true"] .chev{transform:rotate(180deg);color:var(--brand)}
.faq__a{
  max-height:0;overflow:hidden;transition:max-height .2s ease;
  font-size:16px;line-height:1.8;color:var(--ink-2);
}
.faq__a p{padding:0 4px 20px}

/* ---------- cta ---------- */
.cta-band{background:var(--brand-50);border-top:1px solid var(--brand-100);border-bottom:1px solid var(--brand-100);padding:64px 0}
.cta-band__inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta-band h2{font-size:28px}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:620px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band__list{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}

/* ---------- footer ---------- */
.footer{background:var(--ink-900);color:#C6CEDE;padding:64px 0 0;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer__col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer__col ul li{margin-bottom:10px}
.footer__col a{color:#C6CEDE;font-size:14px}
.footer__col a:hover{color:#fff}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer__brand .brand__mark{width:36px;height:36px}
.footer__brand .brand__name{color:#fff;font-size:16px;font-weight:700}
.footer__brand .brand__sub{color:#8C99B0;font-size:12px}
.footer__desc{font-size:14px;line-height:1.8;color:#9AA6BC;max-width:340px}
.footer__bar{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8C99B0;
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-nav);
  display:none;align-items:center;justify-content:center;color:var(--ink-2);z-index:50;
}
.to-top.is-on{display:inline-flex}
.to-top:hover{color:var(--brand);border-color:var(--brand-100)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-head h1{font-size:34px}
}
@media (max-width:1023px){
  .nav__inner{height:64px;gap:16px}
  .nav__links{
    position:fixed;top:0;right:0;height:100vh;width:280px;background:#fff;
    flex-direction:column;align-items:stretch;gap:6px;padding:80px 20px 24px;
    box-shadow:-12px 0 32px rgba(16,24,40,.12);
    transform:translateX(105%);transition:transform .2s ease;z-index:70;margin-left:0;
  }
  .nav__links.is-open{transform:translateX(0)}
  .nav__link{height:48px;padding:0 16px;border-radius:var(--r-md);font-size:16px}
  .search{display:none}
  .nav__login{display:none}
  .nav__burger{display:block;z-index:80}
  .grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .rules{grid-template-columns:1fr;gap:28px}
  .rules__aside{position:static}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band__inner{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .page-head{padding:20px 0 28px}
  .page-head h1{font-size:26px}
  .section__head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px}
  .section__head h2{font-size:23px}
  .grid{grid-template-columns:1fr;gap:18px}
  .steps{grid-template-columns:1fr;gap:20px}
  .stats{grid-template-columns:1fr;gap:18px;padding:22px}
  .stat{padding-left:0}
  .stat+.stat::before{display:none}
  .stat+.stat{border-top:1px solid var(--line);padding-top:16px}
  .rulelist li{grid-template-columns:1fr;gap:6px;padding:20px 0}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:23px}
  .cta-band__actions .btn{width:100%}
  .footer{padding-top:48px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bar{flex-direction:column;gap:6px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:479px){
  .brand__sub{display:none}
  .brand__name{font-size:15px}
  .page-head__tags{gap:8px}
  .filter{height:34px;padding:0 14px;font-size:13px}
}