/* roulang page: index */
:root{
  --brand:#1F5BE0;
  --brand-dark:#1240AC;
  --accent:#FF7A29;
  --ok:#10B981;
  --danger:#D92D20;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E6EAF2;
  --text:#101828;
  --muted:#5A6377;
  --weak:#98A2B3;
  --footer-bg:#F1F5FB;
  --radius:14px;
  --radius-sm:10px;
  --radius-xs:8px;
  --pill:999px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 12px 28px -12px rgba(16,24,40,.14);
  --shadow-hover:0 2px 6px rgba(16,24,40,.06), 0 20px 36px -14px rgba(16,24,40,.22);
  --gap-sec:80px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:0;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--gap-sec) 0;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:rgba(31,91,224,.08);border-radius:var(--pill);padding:5px 14px;margin-bottom:16px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;white-space:nowrap;}
.link-more i{transition:transform .18s ease;}
.link-more:hover i{transform:translateX(3px);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;min-height:44px;}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,91,224,.9);}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:#fff;color:var(--text);border:1px solid var(--line);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:var(--pill);line-height:1.6;}
.badge--soon{background:rgba(255,122,41,.12);color:#C4531B;}
.badge--live{background:rgba(16,185,129,.13);color:#0B7A56;}
.badge--ended{background:#EEF1F6;color:#667085;}
.badge--brand{background:rgba(31,91,224,.1);color:var(--brand);}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(16,24,40,.45);}
.nav{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);flex:0 0 auto;}
.logo:hover{color:var(--text);}
.logo__mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:16px;}
.logo__text{white-space:nowrap;}
.logo__text small{display:block;font-size:11px;font-weight:400;color:var(--weak);letter-spacing:.04em;line-height:1.2;}
.nav__menu{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav__link{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;font-size:15px;font-weight:500;color:var(--muted);}
.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:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--brand);}
.nav__right{display:flex;align-items:center;gap:10px;margin-left:8px;}
.icon-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:var(--muted);border:1px solid var(--line);background:#fff;transition:color .18s ease,border-color .18s ease;}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}
.burger{display:none;}

/* 抽屉导航 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,24,40,.4);opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;z-index:90;transform:translateX(102%);transition:transform .26s ease;padding:22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:10px;}
.drawer a.drawer__link{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);min-height:48px;}
.drawer a.drawer__link.is-active{color:var(--brand);font-weight:600;}
.drawer .btn{margin-top:18px;width:100%;}

/* Hero */
.hero{position:relative;background-color:var(--bg);background-image:linear-gradient(180deg,rgba(246,248,252,.93),rgba(246,248,252,.99)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;padding:64px 0 56px;}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(30px,4.6vw,46px);font-weight:700;}
.hero__lead{margin-top:18px;font-size:18px;color:var(--muted);max-width:600px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero__tags span{font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:var(--pill);padding:5px 14px;}
.hero__media{position:relative;}
.hero__media img{border-radius:18px;box-shadow:var(--shadow);width:100%;aspect-ratio:16/11;object-fit:cover;background:#E9EDF5;}
.hero__float{position:absolute;left:-18px;bottom:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 18px;min-width:190px;}
.hero__float strong{display:block;font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero__float span{font-size:13px;color:var(--muted);}
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;}
.statbar li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);}
.statbar b{display:block;font-size:26px;font-weight:700;color:var(--text);line-height:1.25;}
.statbar b em{font-style:normal;font-size:14px;color:var(--muted);font-weight:500;margin-left:3px;}
.statbar span{font-size:13.5px;color:var(--muted);}

/* 直播预告流 */
.live{background:#fff;}
.live__grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start;}
.live__cover{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.live__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E9EDF5;}
.live__cover .badge{position:absolute;top:16px;left:16px;background:#fff;box-shadow:0 6px 16px -10px rgba(16,24,40,.5);}
.live__cover .badge--soon{color:#C4531B;}
.live__meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:16px;font-size:14px;color:var(--muted);}
.live__meta i{color:var(--brand);margin-right:6px;}
.live__panel h3{font-size:20px;margin-bottom:14px;}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:26px;}
.cd-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 6px;text-align:center;box-shadow:0 1px 2px rgba(16,24,40,.04);}
.cd-num{display:block;font-size:30px;font-weight:700;color:var(--accent);line-height:1.15;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.cd-label{font-size:12px;color:var(--weak);}
.hls{border-left:2px solid var(--brand);padding-left:18px;margin-bottom:26px;}
.hls li{display:flex;gap:12px;padding:9px 0;}
.hls li .num{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(31,91,224,.1);color:var(--brand);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:4px;}
.hls li b{display:block;font-size:15.5px;font-weight:600;}
.hls li span{font-size:14px;color:var(--muted);}

/* 订阅表单 */
.subscribe{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.subscribe h4{font-size:16px;margin-bottom:6px;}
.subscribe p.hint{font-size:14px;color:var(--muted);margin-bottom:16px;}
.field-row{display:flex;gap:10px;align-items:flex-start;}
.field{flex:1 1 auto;min-width:0;}
.field input{width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;padding:0 14px;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;}
.field input::placeholder{color:var(--weak);}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,91,224,.14);}
.field.is-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(217,45,32,.12);}
.form-msg{font-size:13.5px;margin-top:10px;color:var(--weak);}
.form-msg.is-error{color:var(--danger);}
.form-msg.is-ok{color:var(--ok);}
.priv{font-size:12.5px;color:var(--weak);margin-top:10px;}

/* 回放横向流 */
.replay-wrap{margin-top:34px;}
.replay-wrap h3{font-size:18px;margin-bottom:16px;}
.replay{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-webkit-overflow-scrolling:touch;}
.replay::-webkit-scrollbar{height:6px;}
.replay::-webkit-scrollbar-thumb{background:#D7DEEA;border-radius:6px;}
.replay__item{flex:0 0 236px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;}
.replay__item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.replay__media{position:relative;}
.replay__media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E9EDF5;}
.replay__media .dur{position:absolute;right:10px;bottom:10px;background:rgba(16,24,40,.78);color:#fff;font-size:12px;padding:2px 8px;border-radius:6px;font-variant-numeric:tabular-nums;}
.replay__body{padding:12px 14px 16px;}
.replay__body b{display:block;font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.replay__body span{font-size:12.5px;color:var(--weak);}

/* 图文区块 */
.feature{background:#fff;}
.feature--alt{background:var(--bg);}
.feature__grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.feature__grid.is-reverse .feature__media{order:2;}
.feature__media img{border-radius:18px;box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);background:#E9EDF5;}
.feature h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.feature p.desc{color:var(--muted);}
.metric-list{margin-top:24px;border-top:1px solid var(--line);}
.metric-list li{display:flex;align-items:baseline;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);}
.metric-list b{font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums;min-width:88px;}
.metric-list span{font-size:14.5px;color:var(--muted);}
.step-list{margin-top:24px;}
.step-list li{display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);}
.step-list li:last-child{border-bottom:0;}
.step-list .idx{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:rgba(31,91,224,.09);color:var(--brand);font-size:13px;font-weight:700;display:grid;place-items:center;}
.step-list b{display:block;font-size:15.5px;}
.step-list span{font-size:14px;color:var(--muted);}

/* 分类导航带 */
.cats{background:#fff;}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat-card{position:relative;display:block;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#E9EDF5;transition:transform .18s ease,box-shadow .18s ease;color:#fff;}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff;}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.cat-card__body{position:absolute;inset:0;padding:22px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,rgba(16,24,40,.12),rgba(16,24,40,.72));}
.cat-card__body h3{color:#fff;font-size:19px;margin-bottom:8px;}
.cat-card__body p{font-size:13.5px;color:rgba(255,255,255,.86);line-height:1.65;}
.cat-card__body em{margin-top:14px;font-style:normal;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.cat-card:hover .cat-card__body em i{transform:translateX(3px);}
.cat-card__body em i{transition:transform .18s ease;}

/* 最新信息列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;height:100%;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card__link:hover{color:inherit;}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E9EDF5;}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.news-card__body h3{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.news-card:hover h3{color:var(--brand);}
.news-card__excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);margin-top:auto;padding-top:6px;border-top:1px solid var(--line);}
.news-card__meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.empty{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:52px 24px;text-align:center;}
.empty i{font-size:30px;color:var(--weak);}
.empty p{margin:14px 0 18px;color:var(--muted);}

/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq__item{background:#fff;border:1px solid var(--line);border-left:3px solid transparent;border-radius:var(--radius);margin-bottom:14px;transition:border-color .18s ease,box-shadow .18s ease;}
.faq__item[open]{border-left-color:var(--brand);box-shadow:var(--shadow);}
.faq__item summary{list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16.5px;font-weight:600;}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--bg);color:var(--brand);display:grid;place-items:center;font-size:12px;transition:transform .2s ease;}
.faq__item[open] .faq__icon{transform:rotate(180deg);}
.faq__body{padding:0 22px 22px;color:var(--muted);font-size:15px;animation:fadeIn .22s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* CTA 带 */
.cta-band{padding:0 0 var(--gap-sec);}
.cta-box{background:#fff;border:1.5px solid var(--brand);border-radius:20px;padding:46px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--shadow);}
.cta-box h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;}
.cta-box p{color:var(--muted);font-size:15px;max-width:620px;}

/* 页脚 */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:320px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:var(--brand);}
.footer-sub p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.footer-sub .field-row{gap:8px;}
.footer-sub input{height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;padding:0 12px;width:100%;}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,91,224,.14);}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:20px 0;text-align:center;font-size:13.5px;color:var(--weak);}

/* 移动底部 Tab */
.tabbar{display:none;}
@media (max-width:1023px){
  .nav__menu,.nav__right .icon-btn{display:none;}
  .burger{display:grid;}
  .nav__right{margin-left:auto;}
  .site-header .nav{gap:12px;}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);height:56px;padding-bottom:env(safe-area-inset-bottom);}
  .tabbar a{position:relative;flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted);}
  .tabbar a i{font-size:17px;}
  .tabbar a.is-active{color:var(--brand);font-weight:600;}
  .tabbar a.is-active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:3px;border-radius:0 0 3px 3px;background:var(--brand);}
  body{padding-bottom:64px;}
  .hero__grid{grid-template-columns:1fr;}
  .hero__float{left:14px;bottom:14px;}
  .live__grid{grid-template-columns:1fr;}
  .feature__grid{grid-template-columns:1fr;gap:28px;}
  .feature__grid.is-reverse .feature__media{order:0;}
  .cat-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:34px 26px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  :root{--gap-sec:52px;}
  .section--tight{padding:44px 0;}
  .hero{padding:40px 0 40px;}
  .statbar{grid-template-columns:repeat(2,1fr);margin-top:32px;}
  .cat-grid,.news-grid{grid-template-columns:1fr;}
  .countdown{grid-template-columns:repeat(4,1fr);gap:6px;}
  .cd-item{padding:8px 2px;}
  .cd-num{font-size:21px;}
  .cd-label{font-size:11px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .field-row{flex-direction:column;align-items:stretch;}
  .field-row .btn{width:100%;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq__item summary{font-size:15.5px;padding:16px 16px;}
  .faq__body{padding:0 16px 18px;}
  .news-card__body{padding:16px;}
}

/* roulang page: article */
:root{
  --brand:#1F5BE0;
  --brand-dark:#1240AC;
  --brand-soft:#EAF0FE;
  --accent:#FF7A29;
  --accent-soft:#FFF1E6;
  --ok:#10B981;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E6EAF2;
  --text:#101828;
  --text-2:#5A6377;
  --text-3:#98A2B3;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 12px 28px -12px rgba(16,24,40,.14);
  --shadow-lg:0 2px 6px rgba(16,24,40,.06), 0 22px 44px -18px rgba(16,24,40,.24);
  --ease:180ms ease;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:56px;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:1024px){body{padding-bottom:0}}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
img{max-width:100%;display:block;object-fit:cover;background:#EDF1F8}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(31,91,224,.95)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--sm{height:38px;min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn--text{background:none;border:0;padding:0;height:auto;min-height:0;color:var(--brand);font-weight:600;font-size:15px}
.btn--text i{transition:transform var(--ease)}
.btn--text:hover i{transform:translateX(3px)}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);font-size:15px;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.7}
.badge--brand{background:var(--brand-soft);color:var(--brand)}
.badge--live{background:#E7F8F1;color:#0B8A64}
.badge--soon{background:var(--accent-soft);color:#C4551A}
.badge--done{background:#EFF2F7;color:var(--text-2)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:13px;
  transition:all var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,24,40,.55)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.logo:hover{color:var(--text)}
.logo__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;display:grid;place-items:center;font-size:17px;
  box-shadow:0 10px 18px -12px rgba(31,91,224,.95);
}
.logo__text{display:flex;flex-direction:column;line-height:1.15;font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.logo__text small{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.4px;margin-top:2px}
.nav__menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0}
.nav__link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:9px;color:var(--text-2);font-size:15px;font-weight:500;transition:all var(--ease)}
.nav__link:hover{color:var(--brand);background:var(--brand-soft)}
.nav__link.is-active{color:var(--brand);font-weight:600}
.nav__link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-16px;height:2px;border-radius:2px;background:var(--brand)}
.nav__right{display:flex;align-items:center;gap:10px}
.burger{display:none}
@media (max-width:1023px){
  .nav__menu{display:none}
  .burger{display:inline-flex}
  .nav__right .btn--primary{display:none}
}
.nav__drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:58;background:#fff;
  padding:14px 16px 110px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav__drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.nav__drawer ul{list-style:none;margin:0}
.nav__drawer li + li{border-top:1px solid var(--line)}
.nav__drawer a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;font-size:16px;color:var(--text);font-weight:500}
.nav__drawer a.is-active{color:var(--brand);font-weight:600}
.nav__drawer .drawer-cta{margin-top:18px;display:block}
.nav__drawer .drawer-cta .btn{width:100%}
@media (min-width:1024px){.nav__drawer{display:none}}

/* ============ 移动端底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -10px 24px -20px rgba(16,24,40,.7);
}
.mobile-tab__item{position:relative;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-3);min-height:44px}
.mobile-tab__item i{font-size:17px}
.mobile-tab__item.is-active{color:var(--brand);font-weight:600}
.mobile-tab__item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--brand)}
@media (min-width:1024px){.mobile-tab{display:none}}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;color:var(--text-3);padding:20px 0 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--text);max-width:58vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb i{font-size:10px;color:var(--text-3)}

/* ============ 文章头部横幅 ============ */
.article-hero{margin-top:14px}
.article-hero__inner{
  position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  padding:30px 26px 26px;
  background-color:#EAF0FE;
  background-image:linear-gradient(105deg,rgba(246,248,252,.95) 0%,rgba(240,245,255,.88) 55%,rgba(232,240,255,.82) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.article-hero h1{
  font-size:clamp(26px,3.6vw,38px);line-height:1.36;font-weight:700;letter-spacing:-.2px;
  margin:14px 0 16px;max-width:900px;color:var(--text);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:14px;color:var(--text-2)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:13px}

/* ============ 主体布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;margin:26px 0 0}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 312px;gap:30px}}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 22px;
}
@media (min-width:768px){.article-card{padding:34px 32px}}

/* ============ 正文排版 ============ */
.article-body{max-width:820px;font-size:16px;line-height:1.8;color:#1C2434;word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.45;font-weight:700;color:var(--text);
  margin:38px 0 14px;padding-left:14px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:4px;background:var(--brand)}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:26px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:1.4em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{
  margin:20px 0;padding:14px 20px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 10px 10px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;border:1px solid var(--line);margin:18px 0}
.article-body figure{margin:22px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body thead th{background:#F1F5FB;font-weight:600;color:var(--text)}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,91,224,.35)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.article-body code{background:#F1F5FB;padding:2px 6px;border-radius:6px;font-size:14px}

/* ============ 空状态 ============ */
.empty-state{text-align:center;padding:44px 16px}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:14px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);max-width:460px;margin:0 auto 22px}

/* ============ 标签区 ============ */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.article-tags .label{font-size:14px;color:var(--text-3);margin-right:2px}

/* ============ 上一页 / 下一页 ============ */
.pn-wrap{display:grid;grid-template-columns:1fr;gap:14px;margin-top:26px}
@media (min-width:768px){.pn-wrap{grid-template-columns:1fr 1fr}}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D6DEF0;color:inherit}
.pn-card .k{font-size:13px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.pn-card .t{display:block;margin-top:8px;font-size:16px;font-weight:600;color:var(--text);line-height:1.6}
.pn-card:hover .t{color:var(--brand)}
.pn-card.is-right{text-align:right}
.pn-card.is-right .k{justify-content:flex-end;width:100%}

/* ============ 相关推荐 ============ */
.section{margin-top:44px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.section-head h2{font-size:24px;font-weight:700;letter-spacing:-.2px}
.section-head p{font-size:14px;color:var(--text-2);margin-top:4px}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#D6DEF0}
.post-card__cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDF1F8}
.post-card__cover img{width:100%;height:100%;transition:transform 400ms ease}
.post-card:hover .post-card__cover img{transform:scale(1.04)}
.post-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{font-size:17px;line-height:1.6;font-weight:600;color:var(--text)}
.post-card:hover .post-card__body h3{color:var(--brand)}
.post-card__body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}

/* ============ 侧边栏 ============ */
.side{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .side{position:sticky;top:88px;align-self:start;max-height:calc(100vh - 110px);overflow-y:auto;padding-right:2px}
}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.side-card > p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.side-list{list-style:none;margin:0}
.side-list li{border-top:1px solid var(--line)}
.side-list li:first-child{border-top:0}
.side-list a{display:flex;align-items:center;gap:10px;padding:11px 0;font-size:15px;color:var(--text-2)}
.side-list a:hover{color:var(--brand)}
.side-list i{color:var(--brand);font-size:13px;width:16px;text-align:center}
.side-card--accent{background:linear-gradient(150deg,#EFF4FF,#FFFFFF);border-color:#D8E3FB}

/* ============ 表单 ============ */
.field-row{display:flex;gap:8px;align-items:flex-start}
.field{flex:1;min-width:0}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
input[type="text"],input[type="email"],input[type="tel"]{
  width:100%;height:44px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
input[type="text"]::placeholder,input[type="email"]::placeholder,input[type="tel"]::placeholder{color:var(--text-3)}
input[type="text"]:focus,input[type="email"]:focus,input[type="tel"]:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,91,224,.14);
}
input.is-invalid{border-color:#E4573D;box-shadow:0 0 0 3px rgba(228,87,61,.14)}
.form-msg{font-size:13px;color:var(--text-3);margin-top:10px}
.form-msg.is-error{color:#D3372A}
.form-msg.is-ok{color:#0B8A64}

/* ============ 底部 CTA ============ */
.cta-band{margin-top:52px}
.cta-band__inner{
  border:1px solid #C9D8FA;border-radius:18px;background:linear-gradient(120deg,#F3F7FF,#FFFFFF 70%);
  padding:34px 26px;display:flex;flex-direction:column;gap:20px;
}
@media (min-width:900px){.cta-band__inner{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 40px}}
.cta-band h2{font-size:26px;font-weight:700;letter-spacing:-.2px}
.cta-band p{color:var(--text-2);margin-top:8px;max-width:640px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:#F1F5FB;border-top:1px solid var(--line);margin-top:64px;padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:700px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px}}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col ul{list-style:none;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-sub p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.footer-bottom{
  margin-top:40px;border-top:1px solid #E1E8F4;padding:20px 0;
  text-align:center;font-size:13px;color:var(--text-3);
}

/* ============ 其他 ============ */
.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}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --primary:#1F5BE0;
  --primary-dark:#1240AC;
  --primary-soft:#EAF0FE;
  --orange:#FF7A29;
  --orange-soft:#FFF1E7;
  --green:#10B981;
  --green-soft:#E7F8F2;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --border:#E6EAF2;
  --text:#101828;
  --text-2:#5A6377;
  --text-3:#98A2B3;
  --radius-lg:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 12px 28px -12px rgba(16,24,40,.14);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 18px 40px -14px rgba(16,24,40,.20);
  --container:1200px;
  --sec-lg:88px;
  --sec-sm:52px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text);letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,button{font-size:16px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-lg) 0;}
.section--tight{padding:56px 0;}
.section--alt{background:#fff;}
.section__head{max-width:800px;margin-bottom:36px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--primary);background:var(--primary-soft);
  border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section__title{font-size:30px;margin-bottom:12px;}
.section__desc{color:var(--text-2);font-size:16px;line-height:1.8;max-width:760px;}
.section__foot{margin-top:40px;text-align:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;color:var(--text);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn i{transition:transform .18s ease;}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px -10px rgba(31,91,224,.75);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -10px rgba(18,64,172,.65);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;border-color:var(--border);color:var(--text);}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn--text{height:auto;padding:0;color:var(--primary);font-weight:600;}
.btn--text:hover{color:var(--primary-dark);}
.btn--text:hover i{transform:translateX(3px);}
.btn--sm{height:40px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn--lg{height:50px;padding:0 28px;font-size:16px;}
.btn--block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 22px -16px rgba(16,24,40,.4);}
.nav{display:flex;align-items:center;height:68px;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.logo:hover{color:var(--text);}
.logo__mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.logo__text{display:inline-flex;flex-direction:column;font-size:17px;font-weight:700;letter-spacing:.4px;line-height:1.15;}
.logo__text small{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.2px;margin-top:2px;}
.nav__menu{display:flex;align-items:center;gap:6px;margin:0 auto;}
.nav__link{
  display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--text-2);position:relative;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .18s ease;
}
.nav__link:hover{color:var(--primary);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--primary);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
.burger{display:none;}
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(16,24,40,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);
  background:#fff;padding:20px 20px 32px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s ease;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__title{font-size:16px;font-weight:700;}
.drawer__list{display:flex;flex-direction:column;gap:4px;}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:var(--radius-sm);font-size:16px;color:var(--text);font-weight:500;
}
.drawer__list a:hover{background:var(--primary-soft);color:var(--primary);}
.drawer__list a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.drawer__cta{margin-top:auto;padding-top:20px;}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;
  background:#fff;border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 24px -18px rgba(16,24,40,.45);
}
.tabbar__item{
  flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);position:relative;
}
.tabbar__item i{font-size:17px;}
.tabbar__item.is-active{color:var(--primary);font-weight:600;}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:32px;height:3px;border-radius:0 0 3px 3px;background:var(--primary);
}

/* ---------- 面包屑 & 页头横幅 ---------- */
.breadcrumb{padding:18px 0 0;font-size:14px;color:var(--text-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C3CAD8;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current]{color:var(--text);font-weight:600;}

.page-banner{
  margin-top:16px;
  background-image:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 52%,rgba(255,255,255,.68) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.page-banner__inner{padding:56px 0 60px;max-width:820px;}
.page-banner h1{font-size:clamp(30px,4.6vw,46px);line-height:1.3;margin:14px 0 16px;}
.page-banner__lead{font-size:17px;color:var(--text-2);line-height:1.8;max-width:760px;}
.banner-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.banner-stat{
  display:inline-flex;align-items:baseline;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:8px 16px;box-shadow:var(--shadow-1);
}
.banner-stat b{font-size:18px;color:var(--primary);font-variant-numeric:tabular-nums;}
.banner-stat span{font-size:13px;color:var(--text-2);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 11px;border-radius:999px;
}
.badge--wait{background:var(--orange-soft);color:#C4560E;}
.badge--live{background:var(--green-soft);color:#0B7A57;}
.badge--end{background:#EEF1F6;color:#6B7280;}
.badge--cat{background:var(--primary-soft);color:var(--primary-dark);}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-2);
  background:#F1F5FB;border-radius:8px;padding:5px 10px;
}
.chip--time{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;}

/* ---------- 时间轴 ---------- */
.timeline{display:flex;flex-direction:column;gap:34px;}
.tl-row{display:grid;grid-template-columns:150px 1fr;gap:28px;}
.tl-axis{position:relative;padding-left:22px;}
.tl-axis::before{
  content:"";position:absolute;left:5px;top:8px;bottom:-34px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,var(--border) 100%);
  border-radius:2px;
}
.tl-row:last-child .tl-axis::before{bottom:8px;}
.tl-axis__dot{
  position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.tl-axis__day{display:block;font-size:19px;font-weight:700;}
.tl-axis__sub{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.tl-cards{display:flex;flex-direction:column;gap:20px;}

.live-card{
  display:grid;grid-template-columns:280px 1fr;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.live-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6DEF0;}
.live-card__media{position:relative;background:#EDF1F8;min-height:180px;}
.live-card__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.live-card__media .badge{position:absolute;left:12px;top:12px;}
.live-card__body{padding:22px 24px;display:flex;flex-direction:column;gap:12px;}
.live-card__meta{display:flex;flex-wrap:wrap;gap:8px;}
.live-card__title{font-size:20px;line-height:1.45;}
.live-card:hover .live-card__title{color:var(--primary);}
.live-card__desc{color:var(--text-2);font-size:14.5px;line-height:1.75;}
.point-list{display:flex;flex-direction:column;gap:8px;}
.point-list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.7;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);opacity:.55;
}
.live-card__foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--border);
}
.countdown{display:flex;align-items:center;gap:8px;}
.countdown__unit{
  min-width:56px;text-align:center;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:6px 6px 5px;
}
.countdown__unit b{
  display:block;font-size:19px;font-weight:700;color:var(--orange);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;line-height:1.2;
}
.countdown__unit i{font-style:normal;font-size:11px;color:var(--text-3);}
.countdown__label{font-size:13px;color:var(--text-3);margin-right:2px;}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.split--reverse .split__media{order:2;}
.split__media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-2);background:#EDF1F8;}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split__badge{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.95);
  border-radius:var(--radius-sm);padding:10px 14px;box-shadow:var(--shadow-1);
}
.split__badge b{display:block;font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.split__badge span{font-size:12px;color:var(--text-2);}
.feature-list{display:flex;flex-direction:column;gap:18px;margin-top:24px;}
.feature-list li{display:flex;gap:14px;align-items:flex-start;}
.feature-list i{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--primary-soft);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:14px;
}
.feature-list h3{font-size:17px;margin-bottom:4px;}
.feature-list p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .18s ease,box-shadow .18s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-card__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;
  font-weight:700;font-size:16px;margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--text-2);line-height:1.78;}
.step-card__note{
  display:block;margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--text-3);
}

/* ---------- 订阅表单 ---------- */
.subscribe{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:32px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.subscribe__copy h2{font-size:26px;margin-bottom:12px;}
.subscribe__copy p{color:var(--text-2);font-size:15px;line-height:1.8;}
.subscribe__aside{display:flex;flex-direction:column;gap:12px;}
.field{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;}
.field label{font-size:13px;font-weight:600;color:var(--text-2);}
.field input{
  height:46px;border-radius:var(--radius-sm);border:1px solid var(--border);
  padding:0 14px;background:#fff;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,91,224,.16);
}
.field.is-error input{border-color:#E5484D;box-shadow:0 0 0 3px rgba(229,72,77,.14);}
.field.is-success input{border-color:var(--green);box-shadow:0 0 0 3px rgba(16,185,129,.14);}
.form-msg{font-size:13px;color:var(--text-3);line-height:1.7;min-height:20px;}
.form-msg.is-error{color:#D0342C;}
.form-msg.is-success{color:#0B7A57;}
.field-row{display:flex;gap:10px;align-items:flex-end;}
.field-row .btn{flex:0 0 auto;}
.mini-note{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.mini-note i{color:var(--green);}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq details{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .18s ease;
}
.faq details[open]{border-color:#C9D7F7;}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--primary);}
.faq summary i{color:var(--text-3);transition:transform .22s ease;font-size:14px;}
.faq details[open] summary i{transform:rotate(180deg);color:var(--primary);}
.faq__body{
  position:relative;padding:0 22px 20px 22px;color:var(--text-2);font-size:15px;line-height:1.85;
  animation:fadeIn .24s ease;
}
.faq__body::before{
  content:"";position:absolute;left:0;top:2px;bottom:18px;width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F6FF 100%);
  border:1px solid #D8E1F6;border-radius:20px;
  padding:44px 36px;text-align:center;box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:28px;margin-bottom:12px;}
.cta-band p{color:var(--text-2);max-width:680px;margin:0 auto 24px;line-height:1.8;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.cta-band__tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px;}
.cta-band__tags .chip{background:#fff;border:1px solid var(--border);}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F5FB;border-top:1px solid var(--border);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:330px;}
.footer-col h4{font-size:15px;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-sub p{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:12px;}
.footer-sub .field-row{gap:8px;}
.footer-sub .field input{height:42px;}
.footer-sub .btn{height:42px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid #DFE6F2;
  text-align:center;font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav__menu{display:none;}
  .burger{display:inline-flex;}
  .tabbar{display:flex;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .split{grid-template-columns:1fr;gap:32px;}
  .split--reverse .split__media{order:0;}
  .subscribe{grid-template-columns:1fr;gap:24px;padding:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .steps{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:var(--sec-sm) 0;}
  .logo__text small{display:none;}
  .nav__right .btn--sm{display:none;}
  .page-banner__inner{padding:40px 0 44px;}
  .section__title{font-size:24px;}
  .tl-row{grid-template-columns:1fr;gap:14px;}
  .tl-axis{padding-left:18px;}
  .tl-axis::before{left:4px;top:10px;bottom:-18px;}
  .tl-axis__dot{top:8px;}
  .tl-axis__day{font-size:17px;}
  .live-card{grid-template-columns:1fr;}
  .live-card__media{min-height:0;aspect-ratio:16/9;position:relative;}
  .live-card__media img{position:relative;height:100%;}
  .live-card__body{padding:18px;}
  .live-card__title{font-size:18px;}
  .countdown{width:100%;}
  .countdown__unit{flex:1 1 0;min-width:0;}
  .live-card__foot{flex-direction:column;align-items:stretch;}
  .live-card__actions{display:flex;gap:10px;}
  .live-card__actions .btn{flex:1;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
  .cta-band{padding:32px 20px;}
  .cta-band h2{font-size:23px;}
  .cta-band__actions .btn{width:100%;}
  .subscribe .field-row{flex-direction:column;align-items:stretch;}
  .subscribe .field-row .btn{width:100%;}
  .footer-sub .field-row{flex-direction:row;align-items:flex-end;}
  .footer-sub .field-row .btn{width:auto;}
  .banner-stats{gap:8px;}
  .banner-stat{padding:7px 13px;}
}
@media screen and (max-width:520px){
  .banner-stat b{font-size:16px;}
  .countdown__unit b{font-size:17px;}
  .faq summary{font-size:15.5px;padding:16px 18px;}
  .faq__body{padding:0 18px 18px;}
}

/* roulang page: category2 */
:root{
  --brand:#1F5BE0;
  --brand-dark:#1240AC;
  --brand-soft:#E8EFFD;
  --accent:#FF7A29;
  --accent-soft:#FFF1E7;
  --ok:#10B981;
  --ok-soft:#E6F8F1;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E6EAF2;
  --ink:#101828;
  --ink-2:#5A6377;
  --ink-3:#98A2B3;
  --radius-lg:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,24,40,.04),0 12px 28px -12px rgba(16,24,40,.14);
  --shadow-2:0 2px 6px rgba(16,24,40,.06),0 20px 40px -16px rgba(16,24,40,.20);
  --sp-section:88px;
  --sp-section-m:52px;
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

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

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px -8px rgba(31,91,224,.7);}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn--soft{background:var(--brand-soft);color:var(--brand-dark);}
.btn--soft:hover{background:#dbe7fc;color:var(--brand-dark);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn--block{width:100%;}
.btn--link{background:none;border:none;padding:0;height:auto;color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.btn--link i{transition:transform .18s ease;}
.btn--link:hover i{transform:translateX(3px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge--soon{background:var(--accent-soft);color:#C4551A;}
.badge--live{background:var(--ok-soft);color:#0B7A5F;}
.badge--done{background:#EEF1F6;color:var(--ink-2);}
.badge--cat{background:var(--brand-soft);color:var(--brand-dark);}
.badge__dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(16,24,40,.35);}
.nav{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.logo:hover{color:var(--ink);}
.logo__mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 6px 14px -8px rgba(31,91,224,.9);
}
.logo__text{font-size:17px;font-weight:700;line-height:1.2;display:flex;flex-direction:column;}
.logo__text small{font-size:11.5px;font-weight:500;color:var(--ink-3);letter-spacing:.4px;}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.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:14px;right:14px;bottom:14px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);}
.burger{display:none;}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:68px 0 0 0;background:#fff;z-index:55;
  transform:translateX(100%);transition:transform .24s ease;padding:20px 24px;
  overflow-y:auto;display:none;
}
.drawer.is-open{transform:translateX(0);}
.drawer ul{display:flex;flex-direction:column;gap:4px;}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);
}
.drawer a.is-active{color:var(--brand);}
.drawer a i{color:var(--ink-3);font-size:13px;}

/* ---------- crumb + banner ---------- */
.crumb{padding:18px 0 0;}
.crumb ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:#C9D0DE;}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}

.banner{
  margin-top:16px;border-radius:18px;overflow:hidden;position:relative;
  background:#E9EFFA url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  min-height:230px;display:flex;align-items:center;
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 42%,rgba(255,255,255,.42) 100%);
}
.banner__inner{position:relative;z-index:2;padding:38px 40px;max-width:720px;}
.banner h1{font-size:clamp(30px,4.6vw,44px);line-height:1.24;font-weight:700;}
.banner h1 span{color:var(--brand);}
.banner__sub{margin-top:14px;font-size:17px;color:var(--ink-2);line-height:1.7;max-width:640px;}
.banner__tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- sections ---------- */
.section{padding:var(--sp-section) 0 0;}
.section:last-of-type{padding-bottom:var(--sp-section);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.sec-head p{margin-top:10px;color:var(--ink-2);font-size:15.5px;max-width:720px;}
.sec-head .btn--link{padding-bottom:4px;}

/* ---------- data strip ---------- */
.data-strip{
  background:var(--brand-dark);border-radius:18px;padding:30px 34px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;color:#fff;
  box-shadow:0 24px 44px -26px rgba(18,64,172,.85);
}
.data-strip .num{font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;}
.data-strip .num em{font-style:normal;color:var(--accent);}
.data-strip .lbl{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.6;}

/* ---------- two column layout ---------- */
.layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:28px;align-items:start;}
.filterbar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 20px 22px;box-shadow:var(--shadow-1);position:sticky;top:88px;
}
.filterbar__title{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;}
.filterbar__title i{color:var(--brand);}
.filter-group{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.filter-group h3{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.6px;margin-bottom:12px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  border-radius:var(--radius-pill);padding:6px 13px;font-size:13.5px;font-weight:500;
  cursor:pointer;transition:all .18s ease;min-height:34px;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}
.filterbar__foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}
.filterbar__note{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:10px;}
.filter-toggle{display:none;}

/* ---------- cards grid ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card__media{position:relative;aspect-ratio:16/9;background:#EDF1F7;overflow:hidden;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__badge{position:absolute;top:12px;left:12px;}
.card__time{
  position:absolute;right:12px;bottom:12px;background:rgba(16,24,40,.78);color:#fff;
  border-radius:8px;padding:3px 9px;font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;
}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body h3{font-size:19px;line-height:1.45;}
.card:hover .card__body h3{color:var(--brand);}
.card__body .desc{font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.card__meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:6px;}
.card__meta span{display:inline-flex;align-items:center;gap:6px;}
.card__meta i{color:var(--brand);font-size:12px;}
.card__actions{display:flex;gap:10px;padding-top:14px;border-top:1px solid var(--line);margin-top:10px;}

/* ---------- deep block: 首日准备 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;}
.split--rev .split__media{order:2;}
.split__media{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line);background:#EDF1F7;}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split__body h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.split__body p{margin-top:14px;color:var(--ink-2);font-size:15.5px;}
.step-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.step{
  display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);border-left:3px solid var(--brand);
}
.step__no{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-dark);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.step h3{font-size:16px;margin-bottom:4px;}
.step p{font-size:14px;color:var(--ink-2);margin:0;}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;overflow:hidden;box-shadow:var(--shadow-1);}
.faq__item + .faq__item{border-top:1px solid var(--line);}
.faq__q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--ink);position:relative;transition:color .18s ease;
}
.faq__q:hover{color:var(--brand);}
.faq__q i{color:var(--ink-3);transition:transform .22s ease;font-size:14px;flex:0 0 auto;}
.faq__item.is-open .faq__q{color:var(--brand);}
.faq__item.is-open .faq__q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--brand);border-radius:0 3px 3px 0;}
.faq__item.is-open .faq__q i{transform:rotate(180deg);color:var(--brand);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq__a-inner{padding:0 22px 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.8;opacity:0;transition:opacity .25s ease .05s;}
.faq__item.is-open .faq__a-inner{opacity:1;}

/* ---------- subscribe / cta ---------- */
.cta-band{
  margin-top:var(--sp-section);
  border:1px solid var(--brand);border-radius:20px;background:#fff;
  padding:44px 40px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  box-shadow:0 24px 50px -30px rgba(31,91,224,.75);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-band p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
.cta-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}
.subscribe-box{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:24px;}
.subscribe-box .field-label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.field{display:flex;flex-direction:column;}
.input{
  height:46px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;transition:all .18s ease;width:100%;
}
.input::placeholder{color:var(--ink-3);}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,91,224,.16);}
.input.is-error{border-color:#E5484D;box-shadow:0 0 0 3px rgba(229,72,77,.14);}
.field-row{display:flex;gap:10px;margin-top:14px;}
.form-msg{font-size:13px;color:var(--ink-3);margin-top:10px;line-height:1.6;}
.form-msg.is-error{color:#E5484D;}
.form-msg.is-ok{color:var(--ok);font-weight:600;}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--sp-section);background:#F1F5FB;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px;padding:56px 0 36px;}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--ink-2);line-height:1.75;max-width:320px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);}
.footer-sub p{font-size:14px;color:var(--ink-2);margin-bottom:12px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0;text-align:center;
  font-size:13px;color:var(--ink-3);
}

/* ---------- mobile tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 22px -18px rgba(16,24,40,.6);
}
.tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);}
.tabbar a{
  position:relative;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:11.5px;color:var(--ink-3);
}
.tabbar a i{font-size:16px;}
.tabbar a.is-active{color:var(--brand);font-weight:600;}
.tabbar a.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand);}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  :root{--sp-section:64px;}
  .nav__menu{display:none;}
  .burger{display:inline-flex;}
  .drawer{display:block;}
  .nav__right .btn--sm{display:none;}
  .data-strip{grid-template-columns:repeat(2,1fr);gap:20px;}
  .layout{grid-template-columns:1fr;}
  .filterbar{position:static;}
  .filterbar__inner{display:none;}
  .filterbar.is-open .filterbar__inner{display:block;}
  .filter-toggle{display:flex;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split--rev .split__media{order:0;}
  .cta-band{grid-template-columns:1fr;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:767px){
  :root{--sp-section:var(--sp-section-m);}
  .container{padding-left:16px;padding-right:16px;}
  .grid-cards{grid-template-columns:1fr;}
  .banner__inner{padding:28px 22px;}
  .banner h1{font-size:clamp(26px,7vw,32px);}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .tabbar{display:block;}
  body{padding-bottom:64px;}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 24px;}
  .data-strip{grid-template-columns:1fr 1fr;padding:24px 22px;}
  .step{padding:14px;}
}
@media screen and (max-width:519px){
  .banner{min-height:200px;border-radius:14px;}
  .card__actions{flex-direction:column;}
  .card__actions .btn{width:100%;}
  .data-strip{grid-template-columns:1fr;gap:18px;}
}

/* roulang page: category3 */
:root{
  --brand:#1F5BE0;
  --brand-dark:#1240AC;
  --brand-soft:#EAF1FE;
  --accent:#FF7A29;
  --accent-soft:#FFF1E6;
  --accent-ink:#B8500F;
  --ok:#10B981;
  --ok-soft:#E6F7F1;
  --ok-ink:#08795A;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E6EAF2;
  --ink:#101828;
  --body-text:#384152;
  --muted:#5A6377;
  --weak:#98A2B3;
  --radius-lg:14px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 12px 28px -12px rgba(16,24,40,.14);
  --shadow-hover:0 2px 4px rgba(16,24,40,.06),0 18px 36px -14px rgba(16,24,40,.2);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-align:left;
}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:-.01em;font-family:inherit}
h1{font-size:clamp(30px,4.6vw,46px)}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:20px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0 0 16px;padding-left:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section--white{background:var(--surface)}
.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}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:720px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap}
.link-more i{transition:transform .18s ease}
.link-more:hover i{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:0 8px 22px -16px rgba(16,24,40,.45)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo__mark{width:36px;height:36px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;display:grid;place-items:center;font-size:16px;flex:none}
.logo__text{display:flex;flex-direction:column;font-size:17px;font-weight:700;color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.logo__text small{font-size:11px;font-weight:400;color:var(--weak);letter-spacing:.02em;margin-top:2px}
.nav__menu{display:flex;align-items:center;gap:4px;margin:0 auto;list-style:none;padding:0}
.nav__link{display:block;position:relative;padding:10px 14px;border-radius:8px;font-size:15px;color:var(--muted);text-decoration:none}
.nav__link:hover{color:var(--brand);background:var(--brand-soft)}
.nav__link.is-active{color:var(--brand);font-weight:600}
.nav__link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav__right{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{width:40px;height:40px;border-radius:var(--radius-md);border:1px solid var(--line);background:#fff;color:var(--muted);display:grid;place-items:center;font-size:15px;transition:all .18s ease;text-decoration:none}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.burger{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-md);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .18s ease;text-decoration:none;white-space:nowrap;line-height:1}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(31,91,224,.9)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn:focus-visible,.icon-btn:focus-visible,.nav__link:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;line-height:1.6}
.badge--brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge--accent{background:var(--accent-soft);color:var(--accent-ink)}
.badge--ok{background:var(--ok-soft);color:var(--ok-ink)}
.badge--muted{background:#EEF1F6;color:var(--muted)}
.badge i{font-size:11px}

/* ---------- page hero ---------- */
.page-hero{position:relative;padding:52px 0 48px;border-bottom:1px solid var(--line);background:#EAF1FE url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 52%,rgba(234,241,254,.74) 100%)}
.page-hero .container{position:relative;z-index:1}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-current]{color:var(--ink);font-weight:600}
.page-hero h1{max-width:900px;margin-bottom:16px}
.page-hero .lede{font-size:17px;color:var(--muted);max-width:720px;margin-bottom:22px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- metrics ---------- */
.metric-grid{margin-top:-34px;position:relative;z-index:2}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow);height:100%;transition:all .18s ease}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.metric__num{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.25}
.metric__label{font-size:14px;color:var(--muted);margin-top:4px}
.metric__hint{font-size:12px;color:var(--weak);margin-top:8px}

/* ---------- article text ---------- */
.article-col{max-width:800px}
.article-body p{color:var(--body-text)}
.article-body h2{margin-top:0}
.article-body h3{margin-top:6px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.quote{border-left:4px solid var(--brand);background:#F4F7FE;border-radius:0 var(--radius-md) var(--radius-md) 0;padding:18px 22px;color:var(--body-text);margin:24px 0;font-size:16px}
.figure{margin:0}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line);background:#EEF2F8}
.figure figcaption{font-size:13px;color:var(--weak);margin-top:10px;line-height:1.6}

/* ---------- rhythm cards ---------- */
.rhythm{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);height:100%;transition:all .18s ease}
.rhythm:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.rhythm h3{font-size:19px;margin:14px 0 8px}
.rhythm p{font-size:15px;color:var(--muted);margin:0}

/* ---------- table ---------- */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);overflow-x:auto}
table.cmp{width:100%;min-width:660px;border-collapse:collapse}
table.cmp th{background:#F1F5FB;color:var(--muted);font-size:14px;font-weight:600;text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
table.cmp td{padding:16px 18px;border-bottom:1px solid var(--line);font-size:15px;color:var(--body-text);vertical-align:top}
table.cmp tbody tr:nth-child(even){background:#FAFBFE}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td strong{color:var(--ink);font-weight:600}
.table-note{font-size:13px;color:var(--weak);margin-top:12px}

/* ---------- clip list ---------- */
.clip-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:6px 22px}
.clip{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.clip:last-child{border-bottom:0}
.clip__thumb{width:172px;flex:none;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-md);border:1px solid var(--line);background:#EEF2F8}
.clip__body{flex:1;min-width:0}
.clip__body h3{font-size:18px;margin:2px 0 6px}
.clip__body p{font-size:15px;color:var(--muted);margin:0 0 8px}
.clip__meta{font-size:13px;color:var(--weak);display:flex;gap:14px;flex-wrap:wrap}
.clip:hover .clip__body h3{color:var(--brand)}
.clip__body h3{transition:color .18s ease}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.faq-item:last-child{border-bottom:0}
.faq-item.is-open{box-shadow:inset 3px 0 0 var(--brand)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);transition:color .18s ease}
.faq-q:hover{color:var(--brand)}
.faq-q i{font-size:14px;color:var(--weak);transition:transform .22s ease;flex:none}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{display:none;padding:0 24px 22px;color:var(--muted);font-size:15.5px;animation:fadeIn .22s ease}
.faq-item.is-open .faq-a{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- cta ---------- */
.cta-band{background:#fff;border:1px solid var(--brand);border-radius:18px;box-shadow:var(--shadow);padding:48px 32px;text-align:center;max-width:900px;margin:0 auto}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--muted);max-width:640px;margin:0 auto 24px}
.cta-form{display:flex;gap:10px;justify-content:center;align-items:stretch;max-width:520px;margin:0 auto}
.cta-form input{flex:1;height:48px;border:1px solid var(--line);border-radius:var(--radius-md);padding:0 16px;background:#fff;color:var(--ink);transition:all .18s ease}
.cta-form input::placeholder{color:var(--weak)}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,91,224,.14)}
.cta-form input.is-error{border-color:#D92D20;box-shadow:0 0 0 3px rgba(217,45,32,.12)}
.form-msg{font-size:13px;color:var(--weak);margin:14px 0 0}
.form-msg.is-error{color:#D92D20}
.form-msg.is-ok{color:var(--ok-ink)}

/* ---------- footer ---------- */
.site-footer{background:#F1F5FB;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.footer-col h4{font-size:15px;margin:0 0 14px;color:var(--ink)}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-sub p{font-size:14px;color:var(--muted);margin:0 0 12px}
.field-row{display:flex;gap:8px}
.field{flex:1}
.field input{width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-md);padding:0 12px;background:#fff;color:var(--ink);font-size:14px;transition:all .18s ease}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,91,224,.14)}
.field input.is-error{border-color:#D92D20}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);text-align:center;font-size:13px;color:var(--weak)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden}
.drawer.is-open{visibility:visible}
.drawer__mask{position:absolute;inset:0;background:rgba(16,24,40,.45);opacity:0;transition:opacity .2s ease}
.drawer.is-open .drawer__mask{opacity:1}
.drawer__panel{position:absolute;top:0;right:0;bottom:0;width:286px;max-width:86vw;background:#fff;padding:20px;display:flex;flex-direction:column;gap:18px;transform:translateX(100%);transition:transform .24s ease;overflow-y:auto}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__menu{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.drawer__menu a{display:block;padding:13px 12px;border-radius:var(--radius-md);font-size:15px;color:var(--muted);text-decoration:none}
.drawer__menu a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer__menu a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .nav{height:60px}
  .nav__menu{display:none}
  .nav__right .icon-btn:not(.burger){display:none}
  .nav__right .btn{display:none}
  .burger{display:grid}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .metric-grid{margin-top:24px}
  .cta-band{padding:36px 20px}
  .cta-form{flex-direction:column}
  .cta-form input{width:100%}
  .cta-form .btn{width:100%}
  .mobile-tab{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 20px -16px rgba(16,24,40,.5)}
  .mobile-tab a{flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--weak);text-decoration:none;position:relative}
  .mobile-tab a i{font-size:16px}
  .mobile-tab a.is-active{color:var(--brand);font-weight:600}
  .mobile-tab a.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--brand)}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
}
@media (max-width:639px){
  h1{font-size:27px}
  .page-hero{padding:36px 0 34px}
  .clip{flex-direction:column;gap:12px}
  .clip__thumb{width:100%}
  .clip-list{padding:4px 16px}
  .faq-q{padding:16px;font-size:16px}
  .faq-a{padding:0 16px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{margin-top:26px}
  .article-col{max-width:100%}
  .metric__num{font-size:22px}
  .field-row{flex-direction:column}
  .field-row .btn{width:100%}
}