/* roulang page: index */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#14121A;
  --ink-2:#38333F;
  --body:#56515F;
  --muted:#8C8797;
  --line:#E6E2DA;
  --brand:#5B2BD9;
  --brand-deep:#241242;
  --accent:#C9FF3D;
  --live:#FF4D3D;
  --soft:#F1EEE8;
  --r-card:10px;
  --r-img:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,17,26,.05);
  --sh-2:0 10px 28px rgba(20,17,26,.10);
  --sp:8px;
  --tr:200ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--tr);}
a:hover{color:#3f1aa8;}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:800;line-height:1.25;letter-spacing:-0.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1280px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:clamp(64px,9vw,120px) 0;}
.section-tight{padding:clamp(48px,6vw,80px) 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.sec-title{font-size:clamp(24px,3vw,34px);position:relative;padding-left:18px;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--accent);border-radius:2px;}
.sec-title .num{display:block;font-size:12px;letter-spacing:.18em;color:var(--muted);font-weight:700;margin-bottom:6px;}
.sec-sub{margin:8px 0 0;font-size:15px;color:var(--muted);max-width:620px;}
.sec-more{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap;}
.sec-more i{margin-left:6px;font-size:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;transition:all var(--tr);line-height:1.4;cursor:pointer;text-align:center;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--brand);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#dcff7a;color:var(--ink);transform:translateY(-1px);}
.btn-sm{padding:8px 16px;font-size:14px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;
  letter-spacing:.06em;background:var(--soft);color:var(--ink-2);border:1px solid transparent;}
.tag-line{background:transparent;border-color:var(--line);color:var(--muted);}
.tag-live{background:rgba(255,77,61,.1);color:var(--live);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--live);display:inline-block;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.96);border-bottom:1px solid transparent;transition:border-color var(--tr),background var(--tr);}
.site-header.is-stuck{border-bottom-color:var(--line);background:#FBFAF7;}
.topbar-inner{display:flex;align-items:center;gap:24px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--brand-deep);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:-.04em;}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text b{font-size:16px;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.14em;}
.nav-search{flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;}
.nav-search input{width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  padding:0 44px 0 18px;font-size:14px;color:var(--ink);transition:border-color var(--tr),box-shadow var(--tr);}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(91,43,217,.12);}
.nav-search button{position:absolute;right:6px;width:32px;height:32px;border-radius:50%;border:0;background:transparent;color:var(--muted);}
.nav-search button:hover{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.nav-actions .text-link{font-size:14px;font-weight:600;color:var(--ink-2);}
.nav-actions .text-link:hover{color:var(--brand);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);}
.channel-nav{border-top:1px solid var(--line);background:#FBFAF7;}
.channel-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 32px;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{flex:0 0 auto;scroll-snap-align:start;padding:8px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);background:transparent;transition:all var(--tr);}
.channel:hover{border-color:var(--brand);color:var(--brand);}
.channel.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.search-drawer{display:none;padding:0 32px 14px;}
.search-drawer.is-open{display:block;}
/* hero */
.hero{background:var(--brand-deep);color:#fff;padding:clamp(40px,6vw,72px) 0 clamp(48px,7vw,84px);position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,255,61,.16),transparent 68%);pointer-events:none;}
.hero h1{color:#fff;font-size:clamp(32px,5.2vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin:14px 0 16px;}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.78);max-width:560px;margin:0 0 26px;}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-badge{position:absolute;top:14px;right:14px;background:rgba(20,18,26,.82);color:#fff;border-radius:var(--r-pill);
  padding:6px 14px;font-size:12px;letter-spacing:.06em;display:flex;align-items:center;gap:8px;}
.hero-status{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;}
.countdown{display:flex;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);overflow:hidden;margin:0 0 26px;background:rgba(255,255,255,.03);}
.cd-cell{flex:1 1 0;padding:14px 6px;text-align:center;border-right:1px solid rgba(255,255,255,.12);}
.cd-cell:last-child{border-right:0;}
.cd-num{display:block;font-size:clamp(30px,5.6vw,58px);font-weight:800;line-height:1;color:var(--accent);letter-spacing:-.02em;}
.cd-unit{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:8px;letter-spacing:.1em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:rgba(255,255,255,.62);}
.hero-meta i{color:var(--accent);margin-right:6px;}
/* highlights */
.hl-list{border-top:1px solid var(--line);}
.hl-item{display:grid;grid-template-columns:88px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);transition:padding-left var(--tr);}
.hl-item:hover{padding-left:8px;}
.hl-num{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.hl-num small{display:block;font-size:11px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:4px;}
.hl-body h3{font-size:19px;margin-bottom:6px;}
.hl-body p{margin:0;font-size:15.5px;color:var(--body);}
/* subscribe */
.sub-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);}
.sub-bar form{display:grid;grid-template-columns:5fr 3fr 4fr;gap:16px;align-items:center;}
.field input{width:100%;height:48px;border-radius:var(--r-img);border:1px solid var(--line);background:#FCFBF9;padding:0 16px;font-size:15px;color:var(--ink);transition:border-color var(--tr),box-shadow var(--tr);}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(91,43,217,.12);}
.field input.is-error{border-color:var(--live);}
.field-msg{font-size:13px;color:var(--live);margin-top:6px;display:none;}
.field-msg.show{display:block;}
.sub-note{font-size:13px;color:var(--muted);line-height:1.7;margin:0;}
.sub-note i{color:var(--brand);margin-right:6px;}
.form-success{display:none;margin-top:18px;padding:14px 18px;border:1px solid var(--accent);border-radius:var(--r-img);background:rgba(201,255,61,.12);font-size:14px;color:var(--ink-2);}
.form-success.show{display:flex;align-items:center;gap:10px;}
.form-success i{color:#5f8c00;}
/* replay strip */
.replay-strip{display:flex;gap:22px;overflow-x:auto;padding:6px 2px 22px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;}
.replay-strip::-webkit-scrollbar{display:none;}
.replay-card{flex:0 0 300px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);}
.replay-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.28);}
.replay-thumb{position:relative;overflow:hidden;}
.replay-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.8,.2,1);}
.replay-card:hover .replay-thumb img{transform:scale(1.04);}
.duration{position:absolute;right:10px;bottom:10px;background:rgba(20,18,26,.82);color:#fff;font-size:12px;padding:3px 9px;border-radius:6px;}
.replay-body{padding:16px 18px 20px;}
.replay-body h3{font-size:16.5px;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.replay-body time{font-size:13px;color:var(--muted);}
/* cms */
.news-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);height:100%;display:flex;flex-direction:column;}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.28);}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-main .nb{padding:22px 24px 26px;}
.news-main h3{font-size:22px;margin:12px 0 10px;}
.news-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;display:flex;gap:16px;align-items:center;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);}
.news-side:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.28);}
.news-side img{width:96px;height:72px;object-fit:cover;border-radius:var(--r-img);flex:0 0 auto;}
.news-side h3{font-size:16px;line-height:1.45;margin-bottom:6px;}
.news-side time{font-size:12.5px;color:var(--muted);}
.news-rows{margin-top:22px;border-top:1px solid var(--line);}
.news-row{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);transition:padding-left var(--tr);}
.news-row:hover{padding-left:8px;}
.news-row .cat{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.news-row h3{font-size:16px;font-weight:600;}
.news-row h3 a{color:var(--ink-2);}
.news-row h3 a:hover{color:var(--brand);text-decoration:underline;}
.news-row time{font-size:13px;color:var(--muted);}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);padding:52px 24px;text-align:center;}
.empty-state i{font-size:30px;color:var(--muted);}
.empty-state p{margin:14px 0 18px;color:var(--muted);}
/* category index */
.cat-list{border-top:1px solid var(--line);}
.cat-row{display:grid;grid-template-columns:70px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);
  transition:padding-left var(--tr),background var(--tr);}
.cat-row:hover{padding-left:8px;background:rgba(255,255,255,.6);}
.cat-row .no{font-size:15px;font-weight:800;color:var(--muted);letter-spacing:.08em;}
.cat-row h3{font-size:18px;margin-bottom:4px;}
.cat-row p{margin:0;font-size:14.5px;color:var(--muted);}
.cat-row .arrow{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2);transition:all var(--tr);}
.cat-row:hover .arrow{background:var(--brand);border-color:var(--brand);color:#fff;}
.cat-visual{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);}
.cat-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cat-visual.small img{aspect-ratio:16/10;}
/* faq */
.accordion.faq-acc{background:transparent;border-top:1px solid var(--line);}
.faq-acc .accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-acc .accordion-title{border:0;background:transparent;padding:20px 44px 20px 0;font-size:17px;font-weight:600;color:var(--ink);position:relative;transition:color var(--tr);}
.faq-acc .accordion-title:hover{color:var(--brand);background:transparent;}
.faq-acc .accordion-title::before{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--brand);transition:transform var(--tr);border:0;margin:0;left:auto;}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"−";}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--brand);}
.faq-acc .accordion-content{border:0;background:transparent;padding:0 40px 22px 0;font-size:15px;line-height:1.85;color:var(--body);}
/* cta */
.cta-band{background:var(--brand-deep);color:#fff;border-radius:var(--r-card);padding:clamp(32px,5vw,56px);display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);}
.cta-band p{margin:10px 0 0;color:rgba(255,255,255,.72);font-size:15px;max-width:520px;}
/* footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);margin-top:clamp(64px,8vw,110px);padding:clamp(48px,6vw,72px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);}
.footer-brand b{color:#fff;font-size:16px;display:block;}
.footer-brand span{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.14em;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer a:hover{color:var(--accent);text-decoration:underline;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:10px;}
.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}
/* animation */
.reveal-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal-up{opacity:1;transform:none;}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .channel-inner{padding:10px 24px;}
  .search-drawer{padding:0 24px 14px;}
  .sub-bar form{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .news-row{grid-template-columns:1fr auto;gap:10px;}
  .news-row .cat{display:none;}
}
@media screen and (max-width:767px){
  html{scroll-padding-top:118px;}
  .container{padding:0 20px;}
  .topbar-inner{height:62px;gap:12px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .text-link{display:none;}
  .channel-inner{padding:10px 20px;gap:8px;}
  .search-drawer{padding:0 20px 12px;}
  .cd-num{font-size:34px;}
  .cd-unit{font-size:11px;}
  .hl-item{grid-template-columns:56px 1fr;gap:16px;padding:20px 0;}
  .hl-num{font-size:20px;}
  .replay-card{flex:0 0 82%;}
  .cat-row{grid-template-columns:46px 1fr auto;gap:14px;}
  .cat-row h3{font-size:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-cta .btn{width:100%;}
}
@media screen and (max-width:479px){
  .hero h1{font-size:29px;}
  .sec-title{font-size:22px;}
  .news-side{flex-direction:column;align-items:flex-start;}
  .news-side img{width:100%;height:150px;}
}

/* roulang page: category1 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#14121A;
  --ink-2:#38333F;
  --body:#56515F;
  --muted:#8C8797;
  --line:#E6E2DA;
  --brand:#5B2BD9;
  --brand-deep:#241242;
  --accent:#C9FF3D;
  --live:#FF4D3D;
  --radius:10px;
  --radius-sm:8px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(20,17,26,.05);
  --shadow-2:0 10px 28px rgba(20,17,26,.10);
  --gap:24px;
  --pad-x:32px;
  --sect:clamp(64px,9vw,128px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--brand)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.num,.tnum{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--pad-x)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.96);border-bottom:1px solid transparent;transition:border-color .2s ease,background .2s ease}
.site-header.is-stuck{border-bottom-color:var(--line);background:#F4F1EB}
.topbar-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink)}
.logo-mark{width:42px;height:42px;border-radius:12px;background:var(--brand-deep);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;letter-spacing:.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:18px;font-weight:800;color:var(--ink)}
.brand-text span{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600}
.search-box{flex:1 1 auto;max-width:440px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--pill);padding:6px 8px 6px 16px}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{flex:1;border:0;background:transparent;height:34px;outline:none;font-size:15px}
.search-box input::placeholder{color:var(--muted)}
.search-box button{border:0;background:var(--ink);color:#fff;border-radius:var(--pill);padding:8px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease,transform .2s ease}
.search-box button:hover{background:var(--brand);transform:translateY(-1px)}
.topbar-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.link-quiet{font-size:15px;color:var(--ink-2);font-weight:600}
.link-quiet:hover{color:var(--brand)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:var(--surface);border-radius:12px;color:var(--ink);cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--pill);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-align:center}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#fff;color:var(--ink)}

.channel-nav{background:transparent;border-top:1px solid var(--line)}
.channel-inner{display:flex;gap:10px;align-items:center;overflow-x:auto;padding-top:10px;padding-bottom:12px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{flex:0 0 auto;padding:9px 20px;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:15px;font-weight:600;scroll-snap-align:start;transition:all .2s ease;white-space:nowrap}
.channel:hover{border-color:var(--brand);color:var(--brand)}
.channel.active{background:var(--ink);border-color:var(--ink);color:#fff}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--surface);padding:16px 0 22px}
.mobile-drawer.open{display:block}
.mobile-drawer .search-box{max-width:none;margin-bottom:14px}
.mobile-drawer ul li a{display:block;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink-2);font-weight:600}
.mobile-drawer ul li:last-child a{border-bottom:0}

/* ---------- common ---------- */
.section{padding:var(--sect) 0}
.section-sm{padding:clamp(48px,6vw,80px) 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:700;text-transform:uppercase;margin-bottom:14px}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;display:flex;gap:14px;align-items:baseline}
.section-head h2 .idx{color:var(--brand);font-size:.7em;font-weight:800;letter-spacing:.06em}
.section-head p{margin-top:14px;color:var(--body)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;font-weight:700;padding:4px 12px;border-radius:var(--pill);background:#F1EEE8;color:var(--ink-2)}
.badge-line{background:transparent;border:1px solid var(--line)}
.badge-live{background:rgba(255,77,61,.10);color:var(--live)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--live);display:inline-block;animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,77,61,.5)}70%{box-shadow:0 0 0 8px rgba(255,77,61,0)}100%{box-shadow:0 0 0 0 rgba(255,77,61,0)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(91,43,217,.35)}
.card-media{overflow:hidden;border-radius:var(--radius-sm);background:#EFEBE4}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.card:hover .card-media img{transform:scale(1.04)}

/* ---------- hero ---------- */
.page-hero{position:relative;background:var(--brand-deep);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.22}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(36,18,66,.94) 0%,rgba(36,18,66,.78) 52%,rgba(36,18,66,.55) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:clamp(56px,7vw,88px);padding-bottom:clamp(56px,7vw,88px)}
.hero-inner{display:grid;grid-template-columns:1fr;gap:32px;align-items:end;max-width:900px}
.page-hero h1{color:#fff;font-size:clamp(32px,5vw,54px);line-height:1.15;letter-spacing:-.02em;margin-bottom:18px}
.page-hero .lead{color:rgba(255,255,255,.82);font-size:17px;max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{font-size:13px;letter-spacing:.04em;padding:6px 14px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.86)}

/* ---------- countdown bar ---------- */
.countdown-bar{background:var(--ink);color:#fff;border-radius:var(--radius);padding:20px 24px;display:grid;grid-template-columns:1.4fr 1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow-2)}
.countdown-bar .cd-label{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.08em;color:var(--accent);font-weight:700}
.countdown-bar h3{color:#fff;font-size:19px;line-height:1.4;margin-top:8px}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16);border-radius:var(--radius-sm);overflow:hidden}
.cd-cell{background:var(--ink);text-align:center;padding:10px 6px}
.cd-cell b{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1}
.cd-cell i{font-style:normal;font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.08em}
.cd-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- timeline ---------- */
.timeline{border-top:1px solid var(--line)}
.tl-row{display:grid;grid-template-columns:200px 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--line)}
.tl-time{display:flex;flex-direction:column;gap:6px}
.tl-time b{font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.tl-time span{font-size:13px;letter-spacing:.08em;color:var(--muted)}
.tl-body h3{font-size:19px;margin-bottom:8px}
.tl-body p{margin-bottom:14px;color:var(--body);font-size:16px}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tl-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.link-inline{font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent}
.link-inline:hover{border-bottom-color:var(--brand)}

/* ---------- numbered list ---------- */
.number-list{border-top:1px solid var(--line)}
.number-item{display:grid;grid-template-columns:96px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
.number-item .no{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}
.number-item h3{font-size:19px;margin-bottom:8px}
.number-item p{font-size:16px;margin:0}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;position:relative;box-shadow:var(--shadow-1)}
.step .step-no{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 12px;border-radius:var(--pill);background:var(--brand-deep);color:var(--accent);font-weight:800;font-size:15px;letter-spacing:.06em;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:16px;margin:0}.

/* ---------- form ---------- */
.subscribe-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;align-items:center}
.subscribe-bar h3{font-size:20px;margin-bottom:8px}
.subscribe-bar p{font-size:15px;color:var(--muted);margin:0}
.field-row{display:flex;gap:12px;align-items:flex-start}
.field{flex:1;display:flex;flex-direction:column;gap:8px}
.field input{height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 16px;background:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.12)}
.field .hint{font-size:13px;color:var(--muted)}
.field.error input{border-color:var(--live)}
.field.error .hint{color:var(--live)}
.form-msg{font-size:14px;margin-top:10px;display:none}
.form-msg.ok{display:block;color:#2F7A25}
.form-msg.err{display:block;color:var(--live)}
.privacy{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- replay rail ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:300px;gap:20px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.replay-card{scroll-snap-align:start;display:flex;flex-direction:column;gap:14px}
.replay-card .thumb{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#EFEBE4}
.replay-card .thumb img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.replay-card:hover .thumb img{transform:scale(1.04)}
.replay-card .dur{position:absolute;right:10px;bottom:10px;background:rgba(20,17,26,.82);color:#fff;font-size:12px;padding:3px 10px;border-radius:var(--pill);font-variant-numeric:tabular-nums}
.replay-card h3{font-size:17px;line-height:1.45}
.replay-card time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:400;color:var(--muted);transition:transform .2s ease,color .2s ease}
.faq details[open] summary{color:var(--brand)}
.faq details[open] summary::after{content:"–";color:var(--brand);transform:translateY(-50%) rotate(180deg)}
.faq summary:hover{color:var(--brand)}
.faq .faq-body{padding:0 40px 24px 0;font-size:16px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-deep);color:#fff;border-radius:var(--radius);padding:clamp(32px,5vw,56px);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(201,255,61,.10)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.76);margin-top:10px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:clamp(48px,6vw,80px) 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14)}
.site-footer h4{color:#fff;font-size:15px;letter-spacing:.08em;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px;font-size:15px}
.site-footer a{color:rgba(255,255,255,.72);text-decoration:none}
.site-footer a:hover{color:var(--accent);text-decoration:underline}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.10);color:#fff}
.footer-brand b{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.2}
.footer-brand span span{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.6)}
.footer-contact li{color:rgba(255,255,255,.7)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:14px;color:rgba(255,255,255,.6)}

/* ---------- fade up ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}

@media (max-width:1023px){
  .steps{grid-template-columns:1fr}
  .subscribe-bar{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .countdown-bar{grid-template-columns:1fr 1fr}
  .cd-actions{grid-column:1/-1}
}
@media (max-width:767px){
  :root{--pad-x:20px}
  body{font-size:16px}
  .search-box,.link-quiet{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .topbar-actions{gap:10px}
  .channel-nav{position:sticky;top:67px;z-index:55;background:#F4F1EB}
  .tl-row{grid-template-columns:1fr;gap:12px;padding:22px 0}
  .number-item{grid-template-columns:64px 1fr;gap:16px}
  .number-item .no{font-size:26px}
  .countdown-bar{grid-template-columns:1fr;gap:18px}
  .subscribe-bar{grid-template-columns:1fr}
  .field-row{flex-direction:column;align-items:stretch}
  .rail{grid-auto-columns:76%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand-text b{font-size:16px}
  .hero-tags span{font-size:12px}
  .cd-cell b{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
/* ============================================================
   1. 设计变量
   ============================================================ */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#14121A;
  --ink-2:#38333F;
  --body:#56515F;
  --muted:#8C8797;
  --line:#E6E2DA;
  --brand:#5B2BD9;
  --brand-deep:#241242;
  --accent:#C9FF3D;
  --live:#FF4D3D;
  --chip:#F1EEE8;
  --r-card:10px;
  --r-img:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,17,26,.05);
  --sh-2:0 10px 28px rgba(20,17,26,.10);
  --max:1280px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}

/* ============================================================
   2. 基础 reset 与全局排版
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.28;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;cursor:pointer;background:none;border:0;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--accent);color:var(--ink);}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* Foundation 默认样式覆盖 */
body,button,input,select,textarea{font-family:var(--font);}
a{color:var(--brand);}
a:hover,a:focus{color:var(--brand-deep);}
input[type="search"],input[type="text"],input[type="email"],textarea{margin-bottom:0;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}

/* 滚动进度条 */
.progress-bar{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:var(--accent);z-index:200;pointer-events:none;
  transition:width .08s linear;
  box-shadow:0 0 8px rgba(201,255,61,.6);
}

/* ============================================================
   3. 顶部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,245,241,.97);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(20,17,26,.05);}
.topbar-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.logo-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:var(--brand-deep);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text b{font-size:16px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.12em;color:var(--muted);}
.topsearch{
  flex:1 1 auto;max-width:440px;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.topsearch:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.10);}
.topsearch i{color:var(--muted);font-size:13px;}
.topsearch input{flex:1;border:0;background:none;height:100%;padding:0;font-size:14px;outline:none;}
.topsearch input::placeholder{color:var(--muted);}
.topsearch button{
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:13px;font-weight:700;
  transition:background .2s ease;
}
.topsearch button:hover{background:var(--brand);}
.top-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.top-link{font-size:14px;font-weight:600;color:var(--ink-2);}
.top-link:hover{color:var(--brand);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{display:none;padding:8px 0 20px;border-top:1px solid var(--line);}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;padding:12px 4px;font-size:15px;font-weight:600;
  color:var(--ink-2);border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a:hover{color:var(--brand);}
.mobile-search{display:flex;gap:8px;margin:12px 0;}
.mobile-search input{
  flex:1;height:44px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
}
.mobile-search button{
  height:44px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;
}

/* 频道行 */
.channel-nav{border-top:1px solid var(--line);background:rgba(247,245,241,.97);}
.channel-inner{
  display:flex;align-items:center;gap:8px;height:56px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s ease;
}
.channel:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.channel.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.channel.active:hover{background:var(--ink);color:#fff;}

/* ============================================================
   4. 按钮 / 徽标 / 标签
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;white-space:nowrap;
  transition:all .2s ease;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--chip);color:var(--ink-2);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-brand{background:rgba(91,43,217,.10);color:var(--brand);}
.badge-live{background:rgba(255,77,61,.10);color:var(--live);}
.badge-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--live);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}
.tag{
  display:inline-block;padding:5px 14px;margin:0 8px 8px 0;
  border-radius:var(--r-pill);background:var(--chip);
  font-size:13px;color:var(--ink-2);border:1px solid transparent;
  transition:all .2s ease;
}
.tag:hover{background:#fff;border-color:var(--brand);color:var(--brand);}

/* ============================================================
   5. 文章页头部
   ============================================================ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:24px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C4BC;}
.breadcrumb .current{color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:clamp(24px,4vw,44px);
  margin-top:20px;box-shadow:var(--sh-1);
}
.article-head h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.22;letter-spacing:-.02em;margin:16px 0 18px;
  font-weight:800;color:var(--ink);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{color:var(--brand);font-size:12px;}

/* ============================================================
   6. 正文布局
   ============================================================ */
.article-main{padding:clamp(28px,4vw,44px) 0 0;}
.article-body{margin-top:8px;}
.prose{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:clamp(24px,4vw,48px);
  font-size:17px;line-height:1.9;color:var(--body);
  box-shadow:var(--sh-1);
  overflow-wrap:break-word;word-break:break-word;
}
.prose > *:first-child{margin-top:0;}
.prose h2{
  position:relative;padding-left:18px;
  font-size:clamp(19px,2.4vw,25px);
  margin:2em 0 .75em;color:var(--ink);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--brand);
}
.prose h3{font-size:19px;margin:1.6em 0 .6em;color:var(--ink);}
.prose h4{font-size:17px;margin:1.4em 0 .5em;color:var(--ink-2);}
.prose p{margin:0 0 1.15em;}
.prose strong{color:var(--ink-2);font-weight:700;}
.prose ul{margin:0 0 1.2em;}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.5em;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.78em;
  width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.prose ol{counter-reset:prose-ol;margin:0 0 1.2em;}
.prose ol li{position:relative;padding-left:34px;margin-bottom:.5em;counter-increment:prose-ol;}
.prose ol li::before{
  content:counter(prose-ol,decimal-leading-zero);
  position:absolute;left:0;top:.12em;
  font-size:12px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--accent);background:#FAF8F3;
  border-radius:0 8px 8px 0;color:var(--ink-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-img);margin:1.5em auto;}
.prose figure{margin:1.6em 0;}
.prose figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px;}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.prose th{background:#F7F5F1;color:var(--ink);font-weight:700;}
.prose a{color:var(--brand);border-bottom:1px solid rgba(91,43,217,.28);}
.prose a:hover{border-bottom-color:var(--brand);color:var(--brand-deep);}
.prose code{background:var(--chip);padding:2px 6px;border-radius:4px;font-size:.9em;color:var(--ink-2);}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* 空态 */
.empty-state{text-align:center;padding:56px 20px;}
.empty-state i{font-size:34px;color:var(--muted);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ============================================================
   7. 侧栏
   ============================================================ */
.article-aside{margin-top:24px;}
.aside-sticky{position:sticky;top:150px;display:flex;flex-direction:column;gap:20px;}
.widget{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:22px;box-shadow:var(--sh-1);
}
.widget h3{
  display:flex;align-items:center;gap:10px;
  font-size:16px;margin-bottom:16px;color:var(--ink);
}
.widget h3::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);
}
.toc-list li{margin-bottom:6px;}
.toc-list a{
  display:block;padding:7px 12px;border-radius:8px;
  border-left:2px solid transparent;
  font-size:14px;line-height:1.5;color:var(--body);
}
.toc-list a:hover{background:#F7F5F1;color:var(--brand);}
.toc-list a.is-active{
  background:#F7F5F1;color:var(--brand);
  border-left-color:var(--brand);font-weight:600;
}
.mini-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.mini-item:last-child{border-bottom:0;padding-bottom:0;}
.mini-item:first-child{padding-top:0;}
.mini-item img{
  width:78px;height:58px;object-fit:cover;
  border-radius:var(--r-img);flex:0 0 auto;background:var(--chip);
}
.mini-item h4{font-size:14px;line-height:1.5;font-weight:700;margin-bottom:4px;}
.mini-item h4 a{color:var(--ink);}
.mini-item h4 a:hover{color:var(--brand);}
.mini-item span{font-size:12px;color:var(--muted);}
.aside-note{font-size:13px;color:var(--muted);line-height:1.7;}

/* ============================================================
   8. 文末区
   ============================================================ */
.article-foot{margin-top:28px;}
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;
}
.tag-row .tag-row-label{
  font-size:13px;font-weight:700;color:var(--muted);
  margin-right:14px;letter-spacing:.06em;
}
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  margin-top:20px;border-top:1px solid var(--line);
}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;
  padding:20px 22px;border:1px solid var(--line);border-top:0;
  background:var(--surface);transition:background .2s ease;
}
.post-nav-item.prev{border-radius:0 0 0 14px;border-right:0;}
.post-nav-item.next{border-radius:0 0 14px 0;align-items:flex-end;text-align:right;}
.post-nav-item span{font-size:12px;letter-spacing:.08em;color:var(--muted);}
.post-nav-item strong{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;}
.post-nav-item:hover{background:#FAF8F3;}
.post-nav-item:hover strong{color:var(--brand);}
.section-head-sm{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;margin:44px 0 20px;
}
.section-head-sm h2{
  position:relative;padding-left:16px;
  font-size:clamp(20px,2.4vw,26px);
}
.section-head-sm h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--accent);
}
.section-head-sm a{font-size:14px;font-weight:600;color:var(--brand);}
.section-head-sm a:hover{text-decoration:underline;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rcard{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.22);}
.rcard-img{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--chip);}
.rcard-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.8,.2,1);}
.rcard:hover .rcard-img img{transform:scale(1.04);}
.rcard-body{padding:16px 18px 20px;}
.rcard-body h3{font-size:16px;line-height:1.5;margin-bottom:8px;color:var(--ink);}
.rcard:hover .rcard-body h3{color:var(--brand);}
.rcard-body p{font-size:13px;color:var(--muted);margin:0;line-height:1.7;}
.back-row{display:flex;justify-content:center;margin-top:36px;}

/* ============================================================
   9. 页脚
   ============================================================ */
.site-footer{
  margin-top:clamp(64px,9vw,120px);
  background:var(--brand-deep);color:rgba(255,255,255,.72);
  padding:clamp(48px,6vw,76px) 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand > span:last-child{display:flex;flex-direction:column;line-height:1.25;}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:800;}
.footer-brand > span:last-child span{font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.6);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.site-footer ul li{margin-bottom:11px;}
.site-footer a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer a:hover{color:var(--accent);text-decoration:underline;}
.footer-contact li{font-size:13px;line-height:1.7;color:rgba(255,255,255,.6);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============================================================
   10. 动效
   ============================================================ */
html.js .fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
html.js .fade-up.is-visible{opacity:1;transform:none;}

/* ============================================================
   11. 响应式
   ============================================================ */
@media (max-width:1279px){
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .topsearch{max-width:320px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .article-aside{margin-top:32px;}
  .aside-sticky{position:static;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .topbar-inner{height:64px;gap:12px;}
  .topsearch{display:none;}
  .top-actions{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .brand-text b{font-size:15px;}
  .brand-text em{font-size:10px;letter-spacing:.08em;}
  .logo-mark{width:38px;height:38px;border-radius:10px;font-size:14px;}
  .channel-inner{height:52px;}
  .channel{padding:7px 14px;font-size:13px;}
  .article-head{border-radius:12px;}
  .prose{font-size:16px;line-height:1.85;border-radius:12px;}
  .prose h2{margin-top:1.6em;}
  .breadcrumb .current{max-width:200px;}
  .meta-row{gap:8px 16px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.prev{border-right:1px solid var(--line);border-radius:12px 12px 0 0;}
  .post-nav-item.next{border-radius:0 0 12px 12px;align-items:flex-start;text-align:left;}
  .site-footer{margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .article-head h1{font-size:24px;}
  .section-head-sm{flex-direction:column;align-items:flex-start;gap:8px;}
  .tag-row{padding:16px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html.js .fade-up{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#14121A;
  --ink-2:#38333F;
  --body:#56515F;
  --muted:#8C8797;
  --line:#E6E2DA;
  --brand:#5B2BD9;
  --brand-deep:#241242;
  --accent:#C9FF3D;
  --live:#FF4D3D;
  --soft:#F1EEE8;
  --radius:10px;
  --radius-sm:8px;
  --shadow-1:0 1px 2px rgba(20,17,26,.05);
  --shadow-2:0 10px 28px rgba(20,17,26,.10);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:800;letter-spacing:-0.01em}
h1{font-size:clamp(32px,5.2vw,58px);line-height:1.15;letter-spacing:-0.02em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.28}
h3{font-size:19px;line-height:1.4;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
button,input{font-family:inherit}
.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}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:clamp(56px,8vw,110px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);display:inline-block}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:.12em;bottom:.12em;width:4px;background:var(--accent);border-radius:2px}
.section-head p{margin:8px 0 0;max-width:620px;color:var(--muted);font-size:15px;padding-left:18px}
.text-link{font-weight:600;font-size:15px;border-bottom:1px solid transparent}
.text-link:hover{border-bottom-color:var(--brand)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#F7F5F1;border-bottom:1px solid transparent;transition:border-color var(--ease),box-shadow var(--ease)}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,17,26,.02)}
.header-bar{padding:12px 0}
.header-inner{display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:12px;background:var(--brand-deep);color:var(--accent);
  display:grid;place-items:center;font-weight:800;font-size:19px;flex:0 0 auto;
}
.logo-type{display:flex;flex-direction:column;line-height:1.15}
.logo-type b{font-size:17px;color:var(--ink);letter-spacing:.01em}
.logo-type em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.14em}
.header-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:4px 4px 4px 18px;transition:border-color var(--ease),box-shadow var(--ease);
}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px rgba(91,43,217,.12)}
.header-search input{flex:1;border:0;outline:0;background:transparent;height:38px;font-size:15px;color:var(--ink)}
.header-search input::placeholder{color:var(--muted)}
.header-search button{
  border:0;background:var(--ink);color:#fff;width:38px;height:38px;border-radius:999px;
  cursor:pointer;transition:background var(--ease),transform var(--ease);
}
.header-search button:hover{background:var(--brand)}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.header-link{font-size:15px;font-weight:600;color:var(--ink-2)}
.header-link:hover{color:var(--brand)}
.icon-btn{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);
}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{border-color:var(--accent);color:var(--accent);background:transparent}
.btn-accent{background:var(--accent);color:var(--brand-deep)}
.btn-accent:hover{background:#fff;color:var(--brand-deep);transform:translateY(-1px)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* Channel nav */
.channel-nav{border-top:1px solid var(--line);background:#F7F5F1}
.channel-inner{
  display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-top:10px;padding-bottom:10px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 18px;border-radius:999px;border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink-2);background:var(--surface);
  transition:all var(--ease);white-space:nowrap;
}
.channel:hover{border-color:var(--brand);color:var(--brand)}
.channel.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* Hero */
.hero{
  position:relative;background:var(--brand-deep);color:#fff;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(36,18,66,.94) 30%,rgba(36,18,66,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.9;
}
.hero-inner{position:relative;padding:clamp(56px,7vw,96px) 0 clamp(48px,6vw,80px)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(201,255,61,.14);color:var(--accent);font-size:13px;letter-spacing:.06em;font-weight:600;
}
.hero-badge i{font-size:9px}
.hero h1{color:#fff;margin:20px 0 16px;max-width:16em}
.hero h1 span{color:var(--accent)}
.hero-lead{font-size:clamp(16px,1.4vw,18px);color:rgba(255,255,255,.78);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;color:rgba(255,255,255,.68);font-size:14px}
.hero-facts b{color:#fff;font-weight:700}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-tags span{
  padding:5px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.24);
  font-size:13px;color:rgba(255,255,255,.8);
}
.hero-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:8px;
}
.hero-card img{border-radius:10px;aspect-ratio:16/9;object-fit:cover;width:100%}
.hero-card figcaption{font-size:13px;color:rgba(255,255,255,.66);padding:12px 8px 6px}

/* Stat strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow-1);
}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(26px,3vw,34px);color:var(--ink);font-weight:800;line-height:1.2}
.stat span{font-size:13px;color:var(--muted);letter-spacing:.04em}

/* Index rail + showcase */
.rail{position:sticky;top:150px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow-1)}
.rail-title{font-size:13px;letter-spacing:.1em;color:var(--muted);margin:0 0 14px;text-transform:uppercase}
.rail ol{list-style:none;margin:0;padding:0}
.rail li + li{border-top:1px solid var(--line)}
.rail a{
  display:flex;align-items:center;gap:12px;padding:12px 0;font-size:15px;font-weight:600;color:var(--ink-2);
}
.rail a span{font-size:12px;color:var(--brand);letter-spacing:.08em;min-width:22px}
.rail a:hover{color:var(--brand)}

.showcase .cell{margin-bottom:26px}
.theme-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.theme-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(91,43,217,.35)}
.theme-media{position:relative;overflow:hidden;background:#EFEBE4}
.theme-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.theme-card:hover .theme-media img{transform:scale(1.04)}
.theme-media .num{
  position:absolute;left:14px;top:14px;background:var(--brand-deep);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:.08em;padding:5px 12px;border-radius:999px;
}
.theme-body{padding:22px 24px 26px}
.theme-body h3{margin-bottom:10px}
.theme-body p{font-size:15px;color:var(--body)}
.theme-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.theme-meta b{color:var(--ink-2);font-weight:600}
.tag{
  display:inline-block;padding:3px 11px;border-radius:999px;background:var(--soft);
  color:var(--ink-2);font-size:12px;letter-spacing:.04em;margin:0 8px 0 0;
}
.tag-live{background:rgba(255,77,61,.1);color:var(--live)}
.tag-live::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--live);margin-right:6px;vertical-align:middle;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.82)}}
@media (min-width:1024px){.stagger{margin-top:52px}}

/* Numbered rows */
.rows{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.row-item .rn{font-size:28px;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.02em}
.row-item h3{margin-bottom:8px}
.row-item p{font-size:15px;margin:0;max-width:760px}

/* Horizontal rail */
.rail-scroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 0 18px;-ms-overflow-style:none;scrollbar-width:none}
.rail-scroll::-webkit-scrollbar{display:none}
.scene-card{
  flex:0 0 clamp(240px,70vw,300px);scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.scene-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.scene-card div{padding:18px 20px 22px}
.scene-card h3{font-size:17px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted);margin:0}

/* Steps */
.steps{margin-top:8px}
.step{display:grid;grid-template-columns:110px 1fr;gap:28px;padding:30px 0;border-top:1px solid var(--line)}
.step-num{font-size:30px;font-weight:800;color:var(--ink);line-height:1;letter-spacing:-.02em}
.step-num small{display:block;font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:700;margin-bottom:8px}
.step h3{margin-bottom:8px}
.step p{margin:0;font-size:15px;max-width:720px}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;
  align-items:flex-start;padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--muted);line-height:1;transition:transform var(--ease),color var(--ease)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−";color:var(--brand)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.85;max-width:840px}

/* CTA band */
.cta-band{
  background:var(--brand-deep);color:#fff;border-radius:16px;padding:clamp(32px,5vw,56px);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,255,61,.16),transparent 65%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;max-width:520px}
.subscribe-form{display:flex;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 6px 6px 20px}
.subscribe-form input{
  flex:1;border:0;outline:0;background:transparent;color:#fff;height:44px;font-size:15px;min-width:0;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.55)}
.form-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px}

/* Footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);margin-top:clamp(56px,8vw,110px);padding:clamp(48px,6vw,80px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);color:var(--accent)}
.footer-brand b{display:block;color:#fff;font-size:17px}
.footer-brand span span{display:block;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.6)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.68);max-width:320px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:11px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--accent);text-decoration:underline}
.footer-contact li{color:rgba(255,255,255,.62)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* Motion */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important}
}

/* Responsive */
@media (max-width:1023px){
  .container{padding:0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .rail{position:static;margin-bottom:28px}
  .rail ol{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
  .rail li + li{border-top:0}
  .rail li{border-bottom:1px solid var(--line)}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8}
  .container{padding:0 20px}
  html{scroll-padding-top:150px}
  .header-search{display:none}
  .icon-btn{display:inline-flex;align-items:center;justify-content:center}
  .header-link{display:none}
  .logo-type b{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:18px}
  .row-item{grid-template-columns:54px 1fr;gap:16px;padding:22px 0}
  .row-item .rn{font-size:22px}
  .step{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .step-num{font-size:24px}
  .faq-item summary{font-size:16px;padding:18px 0}
  .subscribe-form{flex-direction:column;border-radius:14px;padding:14px}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .rail ol{grid-template-columns:1fr}
  .hero-tags span{font-size:12px}
}

/* roulang page: category3 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#14121A;
  --ink-2:#38333F;
  --body:#56515F;
  --muted:#8C8797;
  --line:#E6E2DA;
  --brand:#5B2BD9;
  --brand-deep:#241242;
  --accent:#C9FF3D;
  --live:#FF4D3D;
  --soft:#F1EEE8;
  --radius:10px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,17,26,.05);
  --shadow-2:0 10px 28px rgba(20,17,26,.10);
  --section:clamp(64px,9vw,128px);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body,button,input,textarea,select{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;line-height:1.3;font-weight:800;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{background:none;border:0;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.97);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, background .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);background:rgba(247,245,241,.99);}
.topbar{height:72px;display:flex;align-items:center;}
.topbar-inner{
  display:flex;align-items:center;gap:24px;width:100%;max-width:1280px;
  margin:0 auto;padding:0 32px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;color:var(--ink);}
.brand:hover{color:var(--ink);}
.logo-mark{
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-deep);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:.02em;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-text span{font-size:11px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;}
.site-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:6px 6px 6px 18px;transition:border-color .2s ease,box-shadow .2s ease;
}
.site-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.10);}
.site-search i{color:var(--muted);font-size:14px;}
.site-search input{
  flex:1;border:0;background:transparent;height:36px;font-size:14px;color:var(--ink);outline:none;
}
.site-search input::placeholder{color:var(--muted);}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:none;}
.text-link{font-size:14px;color:var(--ink-2);border-bottom:1px solid transparent;padding-bottom:2px;}
.text-link:hover{color:var(--brand);border-bottom-color:var(--brand);}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;font-size:16px;color:var(--ink);background:var(--surface);
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:var(--ink);border-color:var(--accent);}
.btn-accent:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-1px);}

/* ---------- 频道导航 ---------- */
.channel-nav{
  position:relative;
  border-top:1px solid var(--line);
  background:rgba(247,245,241,.97);
}
.channel-inner{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding-top:12px;padding-bottom:12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  flex:none;scroll-snap-align:start;
  padding:9px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.channel:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.channel.active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:20px 0 26px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-search{
  display:flex;gap:8px;margin-bottom:18px;
}
.mobile-drawer .drawer-search input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;outline:none;
}
.mobile-drawer .drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.12);}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  padding:13px 4px;border-bottom:1px solid var(--line);
  color:var(--ink-2);font-size:15px;font-weight:600;
}
.drawer-links a:last-child{border-bottom:0;}
.drawer-links a:hover{color:var(--brand);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  background-color:var(--brand-deep);
  background-image:linear-gradient(100deg,rgba(36,18,66,.94) 0%,rgba(36,18,66,.80) 52%,rgba(36,18,66,.58) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:clamp(52px,7vw,84px) 0 clamp(48px,6vw,72px);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(201,255,61,.16),transparent 66%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.62);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--accent);text-decoration:underline;}
.breadcrumb span.sep{color:rgba(255,255,255,.34);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(201,255,61,.14);border:1px solid rgba(201,255,61,.36);
  color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.1em;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  max-width:880px;margin-bottom:20px;
}
.page-hero .lede{
  font-size:clamp(15px,1.5vw,18px);line-height:1.8;color:rgba(255,255,255,.80);
  max-width:720px;margin-bottom:28px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.05);
  font-size:13px;color:rgba(255,255,255,.86);
}
.meta-pill i{color:var(--accent);font-size:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,7.5vw,104px) 0;}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:clamp(32px,4vw,52px);max-width:780px;}
.section-head .kicker{
  display:block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--brand);margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;
  letter-spacing:-.01em;padding-left:18px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.14em;width:4px;height:1em;
  background:var(--accent);border-radius:2px;
}
.section-head p{margin-top:16px;font-size:16px;color:var(--body);line-height:1.85;}

/* ---------- 引入区 ---------- */
.intro-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;align-items:start;}
.intro-copy p{font-size:16.5px;line-height:1.9;}
.intro-copy p strong{color:var(--ink);font-weight:700;}
.intro-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-1);
}
.intro-side h3{font-size:18px;margin-bottom:18px;font-weight:800;}
.side-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li:first-child{padding-top:0;}
.side-list .idx{
  flex:none;width:30px;height:30px;border-radius:9px;background:var(--soft);
  color:var(--brand);font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.side-list .txt{font-size:14.5px;line-height:1.7;color:var(--body);}
.side-list .txt b{display:block;color:var(--ink);font-size:15px;margin-bottom:2px;}

/* ---------- 步骤时间线 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:31px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--line) 92%);
}
.step{position:relative;display:flex;gap:28px;padding:0 0 40px;}
.step:last-child{padding-bottom:0;}
.step-num{
  flex:none;width:64px;height:64px;border-radius:18px;
  background:var(--surface);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--brand);
  box-shadow:var(--shadow-1);position:relative;z-index:1;
}
.step-body{
  flex:1;min-width:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.step-body:hover{border-color:rgba(91,43,217,.32);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.step-body h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.step-body p{font-size:15.5px;line-height:1.88;color:var(--body);}
.step-body .tip{
  margin-top:16px;padding:12px 16px;border-left:3px solid var(--accent);
  background:#FBFAF6;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:14px;color:var(--ink-2);line-height:1.75;
}
.step-body .tip b{color:var(--ink);}
.step-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--soft);font-size:12.5px;color:var(--ink-2);font-weight:600;
}
.chip i{font-size:11px;color:var(--brand);}

/* ---------- 速查区（非对称网格） ---------- */
.feature-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px;}
.feature-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.feature-card:hover{border-color:rgba(91,43,217,.32);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.feature-card .thumb{position:relative;overflow:hidden;background:#EFEBE4;}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.feature-card:hover .thumb img{transform:scale(1.04);}
.feature-card.big .thumb{aspect-ratio:16/9;}
.feature-card .body{padding:24px 26px 28px;}
.feature-card .body h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.feature-card .body p{font-size:15px;line-height:1.85;color:var(--body);}
.feature-stack{display:grid;gap:24px;}
.feature-card.small .thumb{aspect-ratio:16/9;}
.badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(20,17,26,.82);color:#fff;font-size:12px;font-weight:600;
  letter-spacing:.04em;
}
.badge.live{background:var(--live);}
.badge.live .dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite;}
@keyframes pulse{0%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}100%{opacity:1;transform:scale(1);}}

/* ---------- 折叠说明 ---------- */
.accordion-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 30px;box-shadow:var(--shadow-1);
}
.accordion{background:transparent;border:0;margin:0;padding:0;list-style:none;}
.accordion-item{border:0;border-top:1px solid var(--line);background:transparent;}
.accordion-item:first-child{border-top:0;}
.accordion-title{
  display:block;position:relative;
  padding:22px 48px 22px 0;border:0;background:transparent;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;
  transition:color .2s ease;
}
.accordion-title:hover{color:var(--brand);background:transparent;}
.accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .2s ease,color .2s ease;
}
.accordion-item.is-active > .accordion-title{color:var(--brand);}
.accordion-item.is-active > .accordion-title::before{content:"−";}
.accordion-content{
  display:none;padding:0 48px 24px 0;border:0;
  font-size:15px;line-height:1.88;color:var(--body);background:transparent;
}
.accordion-item.is-active > .accordion-content{display:block;}
.accordion-content p{margin-bottom:.9em;}

/* ---------- 订阅区 ---------- */
.subscribe-band{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:clamp(26px,3.4vw,40px);box-shadow:var(--shadow-1);
}
.subscribe-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:36px;align-items:center;}
.subscribe-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:12px;}
.subscribe-band .sub-copy{font-size:15.5px;color:var(--body);line-height:1.85;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-start;}
.sub-field{flex:1 1 240px;min-width:0;}
.sub-field input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 16px;font-size:15px;color:var(--ink);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-field input::placeholder{color:var(--muted);}
.sub-field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.12);}
.sub-field input.error{border-color:var(--live);}
.field-hint{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6;}
.field-hint.err{color:var(--live);}
.form-note{
  margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.75;
  display:flex;gap:10px;align-items:flex-start;
}
.form-note i{color:var(--brand);margin-top:4px;}
.form-success{
  display:none;margin-top:18px;padding:14px 18px;border-radius:var(--radius-sm);
  border:1px solid rgba(201,255,61,.9);background:#FBFEF0;
  font-size:14.5px;color:var(--ink-2);
}
.form-success.show{display:flex;gap:10px;align-items:center;}
.form-success i{color:#4E9A16;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-deep);color:#fff;border-radius:16px;
  padding:clamp(32px,4.5vw,54px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-90px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(201,255,61,.16),transparent 68%);pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);font-weight:800;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:clamp(52px,7vw,78px) 0 0;margin-top:var(--section);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .logo-mark{width:42px;height:42px;background:var(--brand);border-radius:12px;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.3;}
.footer-brand span span{display:block;font-size:11px;letter-spacing:.18em;color:rgba(201,255,61,.85);}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.site-footer ul li{margin-bottom:11px;}
.site-footer ul li a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer ul li a:hover{color:var(--accent);text-decoration:underline;}
.footer-contact li{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 动效 ---------- */
.reveal-up{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal-up.visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container,.topbar-inner{padding:0 24px;}
  .site-search{display:none;}
  .menu-toggle{display:flex;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .feature-grid{grid-template-columns:1fr;}
  .subscribe-grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container,.topbar-inner{padding:0 20px;}
  .topbar{height:64px;}
  .topbar-actions .text-link{display:none;}
  .topbar-actions .btn{display:none;}
  .brand-text b{font-size:15.5px;}
  .brand-text span{font-size:10px;letter-spacing:.14em;}
  .logo-mark{width:40px;height:40px;font-size:13px;border-radius:10px;}
  .page-hero{padding:44px 0 50px;}
  .section{padding:56px 0;}
  .step{flex-direction:column;gap:14px;padding-bottom:28px;}
  .timeline::before{left:27px;}
  .step-num{width:54px;height:54px;font-size:17px;border-radius:14px;}
  .step-body{padding:22px 20px;}
  .accordion-wrap{padding:8px 20px;}
  .accordion-title{font-size:16px;padding:18px 40px 18px 0;}
  .accordion-content{padding:0 8px 20px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .hero-meta{gap:8px;}
  .meta-pill{padding:7px 12px;font-size:12px;}
  .step-chips{gap:6px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal-up{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#14121A;
  --ink-2:#38333F;
  --body:#56515F;
  --muted:#8C8797;
  --line:#E6E2DA;
  --brand:#5B2BD9;
  --brand-deep:#241242;
  --accent:#C9FF3D;
  --live:#FF4D3D;
  --soft:#F1EEE8;
  --radius:10px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,17,26,.05);
  --shadow-2:0 10px 28px rgba(20,17,26,.10);
  --container:1280px;
  --pad:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:160px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{color:var(--ink);margin:0 0 .5em;font-weight:800;line-height:1.25;letter-spacing:-.01em}
h1{letter-spacing:-.02em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.num,time,strong{font-variant-numeric:tabular-nums}

/* ---------- 覆盖 Foundation 默认 ---------- */
body,p,h1,h2,h3,h4,a,li,span,label{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif}
a{color:var(--brand)}
.grid-x.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-x.grid-margin-x>.cell{padding-left:10px;padding-right:10px}
.grid-x.grid-margin-y{margin-top:-10px}
.grid-x.grid-margin-y>.cell{padding-top:10px;padding-bottom:10px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,241,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header:hover,.site-header.menu-open{box-shadow:0 1px 0 rgba(20,17,26,.04)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.logo-mark{
  width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;background:var(--brand-deep);color:var(--accent);
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;font-weight:800;color:var(--ink)}
.brand-text span{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.header-search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:4px 4px 4px 18px;transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.12)}
.header-search input{
  flex:1 1 auto;border:0;background:transparent;padding:8px 0;font-size:15px;color:var(--ink);min-width:0;
}
.header-search input:focus{outline:none}
.header-search input::placeholder{color:var(--muted)}
.search-submit{
  width:36px;height:36px;flex:0 0 36px;border:0;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;
  transition:background .2s ease,transform .2s ease;
}
.search-submit:hover{background:var(--brand);transform:translateY(-1px)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.link-quiet{font-size:15px;font-weight:600;color:var(--ink-2)}
.link-quiet:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;color:var(--ink);font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.search-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;color:var(--ink);font-size:15px;
}
.mobile-menu{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-2);padding:12px 20px 18px;z-index:78;
}
.site-header.menu-open .mobile-menu{display:block}
.mobile-menu a{
  display:block;padding:12px 4px;font-size:16px;font-weight:600;
  color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.active{color:var(--brand)}

/* 频道 Tabs */
.channel-nav{background:var(--bg);border-bottom:1px solid var(--line)}
.channel-inner{
  display:flex;align-items:center;gap:10px;
  padding:10px var(--pad);overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;
  padding:8px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:transparent;
  color:var(--ink-2);font-size:15px;font-weight:600;
  transition:all .2s ease;
}
.channel:hover{border-color:var(--brand);color:var(--brand);background:var(--surface)}
.channel.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-pill);border:1px solid transparent;
  background:var(--ink);color:#fff;font-size:15px;font-weight:700;line-height:1;
  transition:all .2s ease;text-align:center;
}
.btn:hover{background:var(--brand);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{background:var(--surface);border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--brand-deep)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#d9ff6d;color:var(--ink)}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--soft);color:var(--ink-2);
  font-size:12px;letter-spacing:.08em;font-weight:600;
}
.tag-outline{background:transparent;border:1px solid var(--line)}
.tag-live{background:rgba(255,77,61,.09);color:var(--live)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--live);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;background:var(--brand-deep);color:#fff;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(36,18,66,.92) 0%,rgba(36,18,66,.72) 55%,rgba(36,18,66,.55) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-inner{padding:clamp(34px,5vw,54px) 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span.sep{color:rgba(255,255,255,.35)}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.18;
  letter-spacing:-.02em;max-width:20em;margin-bottom:16px;
}
.hero-sub{font-size:clamp(15px,1.4vw,18px);color:rgba(255,255,255,.78);max-width:44em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:clamp(26px,3.4vw,40px);padding:20px 0;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats>div{padding-right:36px;margin-right:36px;border-right:1px solid rgba(255,255,255,.16)}
.hero-stats>div:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{display:block;font-size:clamp(20px,2.2vw,26px);font-weight:800;color:#fff;line-height:1.2}
.hero-stats span{font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.62)}

/* ---------- 板块 ---------- */
.section{padding:clamp(56px,7vw,100px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:clamp(26px,3.6vw,44px)}
.sec-num{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--brand);margin-bottom:10px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:.82em;
  background:var(--accent);border-radius:2px;
}
.section-head p{font-size:16px;color:var(--body);margin:0}

/* ---------- 问答卡片 ---------- */
.qa-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.qa-card:hover{transform:translateY(-2px);border-color:rgba(91,43,217,.28);box-shadow:var(--shadow-2)}
.qa-card .qa-icon{
  width:40px;height:40px;border-radius:10px;background:var(--soft);color:var(--brand);
  display:grid;place-items:center;font-size:16px;margin-bottom:16px;
}
.qa-card h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px}
.qa-card p{font-size:15px;margin-bottom:16px;color:var(--body)}
.qa-card .tag{align-self:flex-start}

/* ---------- 步骤时间线 ---------- */
.step-list{border-top:1px solid var(--line)}
.step-list li{
  display:grid;grid-template-columns:110px 1fr;gap:28px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.step-num{
  font-size:clamp(34px,4vw,46px);font-weight:800;line-height:1;
  color:var(--ink);opacity:.16;font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.step-list h3{font-size:19px;font-weight:700;margin-bottom:8px}
.step-list p{font-size:15.5px;margin:0;color:var(--body)}
.step-list .step-meta{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-top:10px}

/* ---------- FAQ 手风琴 ---------- */
.faq-accordion{
  background:transparent;border:0;border-top:1px solid var(--line);
  margin:0;border-radius:0;
}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-accordion .accordion-title{
  display:block;position:relative;background:transparent;border:0;
  padding:22px 54px 22px 0;font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.55;transition:color .2s ease;
}
.faq-accordion .accordion-title:hover{color:var(--brand)}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;background:none;color:var(--muted);
  font-size:22px;line-height:1;font-weight:600;margin:0;
  transition:transform .2s ease,color .2s ease;
}
.faq-accordion .accordion-item.is-active>.accordion-title{color:var(--brand)}
.faq-accordion .accordion-item.is-active>.accordion-title::before{
  content:"−";color:var(--brand);transform:translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-content{
  background:transparent;border:0;padding:0 54px 24px 0;
  color:var(--body);font-size:15.5px;line-height:1.85;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- 表单 ---------- */
.ask-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,4vw,56px);align-items:start}
.ask-visual{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--soft)}
.ask-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.ask-points{margin-top:22px;display:grid;gap:12px}
.ask-points li{display:flex;gap:10px;font-size:15px;color:var(--body)}
.ask-points i{color:var(--brand);margin-top:4px}
.form-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(22px,3vw,34px);box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field .hint{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;min-height:48px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:15.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;margin:0;
}
.field textarea{min-height:136px;resize:vertical;line-height:1.75}
.field select{
  appearance:none;-webkit-appearance:none;padding-right:42px;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
  height:auto;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,43,217,.12);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--live);box-shadow:none}
.field .err-msg{display:none;font-size:13px;color:var(--live);margin-top:6px}
.field.error .err-msg{display:block}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px}
.form-foot .privacy{font-size:13px;color:var(--muted);margin:0}
.form-msg{
  display:none;align-items:flex-start;gap:10px;margin-top:18px;
  padding:14px 16px;border-radius:var(--radius-sm);font-size:14.5px;line-height:1.7;
}
.form-msg.show{display:flex}
.form-msg.success{background:#F5FFE1;border:1px solid rgba(160,210,40,.75);color:#31430A}
.form-msg.error{background:#FFF1EF;border:1px solid rgba(255,77,61,.5);color:#8C2018}

/* ---------- 提示条 ---------- */
.flash{animation:flashRing 1.4s ease}
@keyframes flashRing{
  0%{box-shadow:0 0 0 0 rgba(91,43,217,.28)}
  70%{box-shadow:0 0 0 10px rgba(91,43,217,0)}
  100%{box-shadow:0 0 0 0 rgba(91,43,217,0)}
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-deep);border-radius:16px;color:#fff;
  padding:clamp(28px,4vw,48px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px;max-width:44em}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.72);
  padding:clamp(48px,6vw,80px) 0 28px;margin-top:clamp(48px,6vw,88px);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.site-footer h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:16px}
.site-footer ul{margin:0}
.site-footer li{margin-bottom:10px;font-size:15px;line-height:1.7}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--accent);text-decoration:underline}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.10);color:var(--accent);width:44px;height:44px}
.footer-brand>span:last-child{display:flex;flex-direction:column;line-height:1.25}
.footer-brand b{color:#fff;font-size:16px;font-weight:800}
.footer-brand>span:last-child span{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.6)}
.site-footer>.container>div>.footer-brand+p, .footer-grid p{font-size:15px;color:rgba(255,255,255,.68);margin:0}
.footer-contact li{color:rgba(255,255,255,.68)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--pad:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ask-wrap{grid-template-columns:1fr}
  .header-search{max-width:260px}
  .link-quiet{display:none}
}
@media (max-width:767px){
  :root{--pad:20px}
  body{font-size:16px}
  .header-inner{height:64px;gap:12px}
  .header-search{
    display:none;position:absolute;left:20px;right:20px;top:70px;
    max-width:none;background:var(--surface);padding:6px 6px 6px 16px;
    box-shadow:var(--shadow-2);z-index:82;
  }
  .header-search.open{display:flex}
  .search-toggle,.nav-toggle{display:grid;place-items:center}
  .header-actions{gap:10px}
  .header-actions .btn{display:none}
  .channel-inner{padding:8px var(--pad)}
  .hero-stats>div{padding-right:20px;margin-right:20px}
  .step-list li{grid-template-columns:1fr;gap:10px}
  .qa-card{padding:22px 20px}
  .cta-band{align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .hero-stats{gap:14px 0}
  .hero-stats>div{padding-right:18px;margin-right:18px}
  .hero-stats strong{font-size:19px}
  .btn{padding:11px 20px;font-size:14.5px}
  .faq-accordion .accordion-title{padding-right:42px;font-size:16px}
  .faq-accordion .accordion-content{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}