/* roulang page: index */
:root{
  --ink:#0D1512;
  --ink-2:#1C2622;
  --ink-3:#2E3A35;
  --accent:#BFEA3C;
  --live:#FF4D2E;
  --bg:#F5F4F0;
  --surface:#FFFFFF;
  --line:#E3E1DA;
  --muted:#6B7570;
  --hover-bg:#FAFAF7;
  --radius-card:16px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(13,21,18,.05), 0 10px 28px -16px rgba(13,21,18,.22);
  --shadow-2:0 2px 6px rgba(13,21,18,.06), 0 22px 46px -22px rgba(13,21,18,.32);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-serif:"Songti SC","Source Han Serif SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;line-height:1;
  transition:background-color .22s cubic-bezier(.2,.7,.2,1),color .22s cubic-bezier(.2,.7,.2,1),border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--accent);color:var(--ink);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#fff;color:var(--ink);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-outline-light:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.link-quiet{font-size:14px;color:var(--muted);}
.link-quiet:hover{color:var(--ink);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700;line-height:1.4;
  background:var(--ink-3);color:#fff;
}
.badge-soon{background:var(--accent);color:var(--ink);}
.badge-live{background:var(--live);color:#fff;}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.7);}}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--muted);
  font-size:13px;line-height:1.5;transition:all .2s ease;
}
.tag:hover{border-color:var(--ink);color:var(--ink);}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{width:36px;height:36px;display:block;flex-shrink:0;}
.brand-name{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.header-search{
  flex:1 1 auto;max-width:360px;height:44px;display:flex;align-items:center;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  padding:0 6px 0 18px;transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(191,234,60,.5);}
.header-search input{flex:1;background:transparent;border:0;outline:none;height:100%;font-size:14px;color:var(--ink);}
.header-search input::placeholder{color:var(--muted);}
.header-search button{
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:color .2s ease,background-color .2s ease;
}
.header-search button:hover{color:var(--ink);background:rgba(13,21,18,.06);}
.brand-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);}
.nav-toggle:hover{border-color:var(--ink);}

.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:32px;height:54px;}
.channel-list{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:color .2s ease;
}
.channel-list a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.channel-list a:hover{color:var(--ink);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a.is-active{color:var(--ink);font-weight:700;}
.channel-list a.is-active::after{transform:scaleX(1);}
.channel-note{margin-left:auto;font-size:13px;color:var(--muted);white-space:nowrap;}

.mobile-panel{display:none;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a i{color:var(--muted);font-size:13px;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;color:#fff;padding:64px 0 48px;overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(160deg,rgba(13,21,18,.72),rgba(13,21,18,.92)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-80px;top:40px;width:420px;height:180px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(191,234,60,.18),transparent 70%);
}
.hero-grid{row-gap:40px;}
.hero-cover{
  position:relative;border-radius:var(--radius-card);overflow:hidden;background:#0a100e;
  aspect-ratio:16/9;box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
}
.hero-cover img{width:100%;height:100%;object-fit:cover;}
.hero-cover .badge{position:absolute;top:16px;left:16px;}
.hero-cover .cover-meta{
  position:absolute;right:16px;bottom:16px;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;
}
.cover-meta span{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:rgba(13,21,18,.72);color:#fff;font-size:13px;backdrop-filter:blur(2px);
}
.hero-title{
  margin-top:28px;font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;color:#fff;
}
.hero-sub{margin-top:16px;max-width:640px;font-size:17px;color:rgba(255,255,255,.72);line-height:1.8;}

.countdown-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);padding:24px;
}
.countdown-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.countdown-head h2{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em;}
.countdown-head span{font-size:13px;color:rgba(255,255,255,.55);}
.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.cd-cell{
  background:rgba(13,21,18,.55);border:1px solid rgba(191,234,60,.28);border-radius:12px;
  padding:14px 6px;text-align:center;
}
.cd-num{
  font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.cd-label{margin-top:4px;font-size:12px;color:rgba(255,255,255,.55);}
.countdown-foot{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);}

.remind-form{margin-top:24px;}
.remind-form .field-row{display:flex;gap:8px;flex-wrap:wrap;}
.remind-form input[type="text"]{
  flex:1 1 180px;min-width:0;height:48px;padding:0 18px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.22);color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.remind-form input[type="text"]::placeholder{color:rgba(255,255,255,.45);}
.remind-form input[type="text"]:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(191,234,60,.24);}
.check-row{display:flex;align-items:flex-start;gap:8px;margin-top:12px;font-size:13px;color:rgba(255,255,255,.55);}
.check-row input{margin-top:5px;accent-color:var(--accent);}
.form-msg{margin-top:10px;font-size:13px;color:var(--accent);display:none;}
.form-msg.is-on{display:block;}

.hero-points{margin-top:56px;border-top:1px solid rgba(255,255,255,.14);}
.point{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;
  padding:22px 0;border-bottom:1px solid rgba(255,255,255,.14);
  transition:transform .22s cubic-bezier(.2,.7,.2,1),background-color .22s ease;
}
.point:hover{transform:translateX(4px);}
.point-idx{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;}
.point-title{font-size:17px;font-weight:700;color:#fff;}
.point-desc{margin-top:4px;font-size:14px;color:rgba(255,255,255,.62);}
.point-meta{font-size:13px;color:rgba(255,255,255,.5);white-space:nowrap;font-variant-numeric:tabular-nums;}

.hero-links{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;}
.link-pill{
  display:inline-flex;align-items:center;gap:10px;padding:10px 20px;border-radius:999px;
  border:1px solid rgba(191,234,60,.45);color:#fff;font-size:14px;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.link-pill i{font-size:12px;transition:transform .22s ease;}
.link-pill:hover{background:var(--accent);color:var(--ink);border-color:var(--accent);}
.link-pill:hover i{transform:translateX(4px);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;margin-bottom:10px;
}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.3;}
.section-desc{margin-top:12px;max-width:680px;font-size:16px;color:var(--muted);}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink);}
.link-more i{font-size:12px;transition:transform .22s ease;}
.link-more:hover{color:var(--ink-3);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 卡片 ---------- */
.card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(191,234,60,.65);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#eceae3;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:700;line-height:1.45;letter-spacing:-.01em;}
.post-card-wide .card-title{font-size:22px;}
.card-desc{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.card-meta .sep{color:var(--line);}
.card-link{position:absolute;inset:0;z-index:2;}

.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:28px;color:var(--muted);}
.empty-state p{margin:14px 0 20px;color:var(--muted);font-size:15px;}

/* ---------- 频道导览 ---------- */
.channel-card{
  display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);margin-bottom:32px;
  transition:box-shadow .24s ease,transform .24s cubic-bezier(.2,.7,.2,1),border-color .24s ease;
}
.channel-card:last-child{margin-bottom:0;}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(191,234,60,.65);}
.channel-card-media{aspect-ratio:3/2;overflow:hidden;background:#eceae3;}
.channel-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.channel-card:hover .channel-card-media img{transform:scale(1.04);}
.channel-card-body{padding:40px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.channel-card-body h3{font-size:clamp(20px,2vw,26px);font-weight:800;letter-spacing:-.02em;}
.channel-card-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.channel-tags{display:flex;flex-wrap:wrap;gap:8px;}
.channel-card.reverse{grid-template-columns:1fr 1.05fr;}
.channel-card.reverse .channel-card-media{order:2;}
.channel-card.reverse .channel-card-body{order:1;}

/* ---------- 流程 ---------- */
.flow-grid{row-gap:24px;}
.flow-step{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s ease,border-color .24s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(191,234,60,.65);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;
  background:var(--ink);color:var(--accent);font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-title{margin-top:18px;font-size:17px;font-weight:700;}
.step-desc{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 功能列表 ---------- */
.feat-wrap{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:start;}
.feat-list{border-top:1px solid var(--line);}
.feat-row{
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
  padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease,transform .2s ease;
}
.feat-row:hover{background:var(--hover-bg);transform:translateX(4px);}
.feat-title{font-size:16px;font-weight:700;}
.feat-desc{margin-top:6px;font-size:14px;color:var(--muted);}
.feat-arrow{color:var(--muted);font-size:13px;transition:transform .2s ease,color .2s ease;}
.feat-row:hover .feat-arrow{color:var(--ink);transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-size:16px;font-weight:700;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:12px;transition:transform .2s ease,color .2s ease;
}
.faq-item[open]{border-color:rgba(191,234,60,.9);box-shadow:inset 4px 0 0 0 var(--accent);}
.faq-item[open] summary{color:var(--ink);}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--ink);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;padding:72px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-70px;width:360px;height:200px;
  background:radial-gradient(closest-side,rgba(191,234,60,.2),transparent 70%);pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1;}
.cta-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.3;}
.cta-desc{margin-top:14px;font-size:15px;color:rgba(255,255,255,.68);line-height:1.8;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 200px;min-width:0;height:48px;padding:0 18px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.22);color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.45);}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(191,234,60,.24);}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-brand span{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-links li{margin-bottom:12px;}
.footer-links a{
  position:relative;display:inline-block;padding-left:0;font-size:14px;color:rgba(255,255,255,.68);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;width:2px;height:12px;margin-top:-6px;
  background:var(--accent);opacity:0;transition:opacity .2s ease;
}
.footer-links a:hover{color:var(--accent);padding-left:12px;}
.footer-links a:hover::before{opacity:1;}
.footer-form{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px;}
.footer-form input{
  flex:1 1 140px;min-width:0;height:44px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(191,234,60,.2);}
.footer-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .section{padding:80px 0;}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:64px 0;}
  .header-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-actions .link-quiet{display:none;}
  .channel-note{display:none;}
  .hero{padding:48px 0 40px;}
  .channel-card,.channel-card.reverse{grid-template-columns:1fr;}
  .channel-card.reverse .channel-card-media{order:0;}
  .channel-card.reverse .channel-card-body{order:1;}
  .channel-card-body{padding:28px;}
  .feat-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .brand-inner{height:64px;gap:12px;}
  .brand-name{font-size:17px;}
  .btn-sm{height:38px;padding:0 16px;font-size:13px;}
  .channel-inner{height:48px;}
  .channel-list{gap:20px;}
  .hero{padding:40px 0 32px;}
  .hero-title{margin-top:22px;}
  .countdown-grid{grid-template-columns:repeat(2,1fr);}
  .point{grid-template-columns:40px 1fr;row-gap:6px;}
  .point-meta{grid-column:2;white-space:normal;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none;transition:none;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0D1512;
  --ink-2:#1C2622;
  --ink-3:#2E3A35;
  --accent:#BFEA3C;
  --live:#FF4D2E;
  --bg:#F5F4F0;
  --surface:#FFFFFF;
  --line:#E3E1DA;
  --muted:#6B7570;
  --soft:#FAFAF7;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(13,21,18,.05),0 10px 28px -16px rgba(13,21,18,.22);
  --shadow-2:0 2px 4px rgba(13,21,18,.07),0 24px 48px -24px rgba(13,21,18,.32);
  --s4:4px;--s8:8px;--s12:12px;--s16:16px;--s24:24px;--s32:32px;--s48:48px;--s64:64px;--s96:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Songti SC","Source Han Serif SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--ink);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--accent);color:var(--ink);}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
.reveal{opacity:0;transform:translateY(16px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);}
.no-js .reveal{opacity:1;transform:none;}

/* ---------- header ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:relative;z-index:40;}
.header-inner{display:flex;align-items:center;gap:var(--s32);min-height:72px;}
.brand{display:flex;align-items:center;gap:var(--s12);flex:0 0 auto;}
.brand-mark{width:36px;height:36px;flex:0 0 auto;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.header-search{display:flex;align-items:center;gap:var(--s8);flex:1 1 auto;max-width:420px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 20px;transition:border-color .2s ease,box-shadow .2s ease;}
.header-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(191,234,60,.45);}
.header-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;padding:10px 0;font-size:14px;}
.header-search input::placeholder{color:var(--muted);}
.header-actions{display:flex;align-items:center;gap:var(--s16);margin-left:auto;flex:0 0 auto;}
.link-quiet{font-size:14px;color:var(--muted);transition:color .2s ease;}
.link-quiet:hover{color:var(--ink);}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);cursor:pointer;align-items:center;justify-content:center;gap:3px;flex-direction:column;}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;}

/* ---------- channel nav ---------- */
.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;}
.channel-inner{display:flex;align-items:center;gap:var(--s24);min-height:56px;}
.channel-list{display:flex;align-items:center;gap:var(--s24);overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{position:relative;display:inline-block;padding:16px 0;font-size:15px;font-weight:500;color:var(--muted);white-space:nowrap;transition:color .2s ease;}
.channel-list a::after{content:"";position:absolute;left:0;bottom:10px;height:2px;width:0;background:var(--accent);transition:width .18s ease;}
.channel-list a:hover{color:var(--ink);}
.channel-list a:hover::after{width:100%;}
.channel-list a.is-active{color:var(--ink);font-weight:700;}
.channel-list a.is-active::after{width:100%;}
.channel-note{margin-left:auto;font-size:13px;color:var(--muted);white-space:nowrap;}
.mobile-panel{display:none;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s8);border-radius:var(--r-pill);border:1px solid transparent;padding:14px 26px;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:13px;}

/* ---------- article page ---------- */
.page-main{padding:var(--s48) 0 var(--s96);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s8);font-size:13px;color:var(--muted);margin-bottom:var(--s24);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--muted);max-width:480px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-shell{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:var(--s48);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:var(--s64);align-items:start;}
.article-main{min-width:0;}
.article-head{border-bottom:1px solid var(--line);padding-bottom:var(--s24);margin-bottom:var(--s32);}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);padding:5px 14px;font-size:13px;font-weight:600;letter-spacing:.01em;}
.badge-cat{background:var(--ink-3);color:#fff;}
.badge-soft{background:rgba(191,234,60,.28);color:var(--ink);}
.entry-title{font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:800;letter-spacing:-.02em;margin-top:var(--s16);}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s8);margin-top:var(--s16);font-size:13px;color:var(--muted);}
.entry-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.article-body{max-width:740px;font-size:17px;line-height:1.85;color:var(--ink-2);}
.article-body>*+*{margin-top:1.4em;}
.article-body h2{position:relative;padding-left:18px;font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:2.4em 0 .8em;line-height:1.4;}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--accent);}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:2em 0 .6em;}
.article-body p{margin:0;}
.article-body a{color:var(--ink);border-bottom:1px solid var(--accent);}
.article-body a:hover{background:rgba(191,234,60,.35);}
.article-body ul,.article-body ol{padding-left:1.4em;}
.article-body ul li{list-style:disc;margin:.4em 0;}
.article-body ol li{list-style:decimal;margin:.4em 0;}
.article-body ul li::marker,.article-body ol li::marker{color:var(--ink);}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--accent);background:var(--soft);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-2);}
.article-body img{border-radius:var(--r-img);margin:1.6em 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--soft);font-weight:700;}
.article-body code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:var(--s24);}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:var(--s24);box-shadow:var(--shadow-1);}
.side-title{font-size:15px;font-weight:800;letter-spacing:-.01em;margin-bottom:var(--s16);display:flex;align-items:center;gap:10px;}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.side-list{display:flex;flex-direction:column;}
.side-list li+li{border-top:1px solid var(--line);}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:var(--s12);padding:12px 8px;font-size:14px;color:var(--ink-2);border-radius:10px;transition:background-color .2s ease,transform .2s ease;}
.side-list a span.arrow{color:var(--muted);transition:transform .2s ease;}
.side-list a:hover{background:var(--soft);transform:translateX(4px);}
.side-list a:hover span.arrow{transform:translateX(4px);color:var(--ink);}
.side-text{font-size:13px;color:var(--muted);line-height:1.7;}
.side-form{display:flex;flex-direction:column;gap:var(--s12);margin-top:var(--s16);}
.side-form input{border:1px solid var(--line);border-radius:var(--r-img);padding:14px 20px;font-size:14px;background:var(--surface);outline:none;transition:border-color .2s ease,box-shadow .2s ease;width:100%;}
.side-form input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(191,234,60,.45);}
.form-msg{font-size:13px;color:var(--ink-3);min-height:18px;margin-top:var(--s8);}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:var(--s64) var(--s16);}
.empty-icon{width:56px;height:56px;margin:0 auto var(--s16);border-radius:50%;background:var(--soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.empty-title{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:var(--s8);}
.empty-text{font-size:15px;color:var(--muted);margin-bottom:var(--s24);}

/* ---------- recommendations ---------- */
.rec-section{margin-top:var(--s64);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s24);margin-bottom:var(--s24);}
.section-title{font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.02em;}
.section-sub{font-size:14px;color:var(--muted);margin-top:6px;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s24);}
.rec-card{display:flex;gap:var(--s16);align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:var(--s16);box-shadow:var(--shadow-1);transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s ease,border-color .24s ease;}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(191,234,60,.7);}
.rec-thumb{width:96px;height:64px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:var(--soft);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;}
.rec-body{min-width:0;}
.rec-tag{font-size:12px;color:var(--muted);}
.rec-title{font-size:15px;font-weight:700;line-height:1.5;margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-time{font-size:12px;color:var(--muted);margin-top:6px;}

/* ---------- pager ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:var(--s16);margin-top:var(--s48);padding-top:var(--s24);border-top:1px solid var(--line);}
.pager-links{display:flex;gap:var(--s12);flex-wrap:wrap;}

/* ---------- faq ---------- */
.faq-section{margin-top:var(--s96);}
.faq-list{display:flex;flex-direction:column;gap:var(--s12);}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:0 var(--s24);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:var(--s16);padding:20px 0;font-size:16px;font-weight:700;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:500;color:var(--muted);transition:transform .2s ease,color .2s ease;}
.faq-item[open] summary{color:var(--ink);}
.faq-item[open] summary::after{content:"–";color:var(--ink);}
.faq-item p{font-size:15px;color:var(--ink-2);padding:0 0 22px;border-top:1px solid var(--line);padding-top:16px;line-height:1.8;}

/* ---------- cta band ---------- */
.cta-band{margin-top:var(--s96);background:var(--ink);border-radius:var(--r-card);padding:var(--s64) var(--s48);color:#fff;}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:var(--s48);align-items:center;}
.cta-title{font-size:clamp(22px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.35;}
.cta-text{margin-top:var(--s12);font-size:15px;color:rgba(255,255,255,.72);}
.cta-form{display:flex;gap:var(--s12);flex-wrap:wrap;}
.cta-form input{flex:1 1 200px;min-width:0;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);border-radius:var(--r-pill);padding:14px 22px;font-size:15px;color:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease;}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(191,234,60,.35);}
.cta-note{margin-top:var(--s12);font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;margin-top:var(--s96);padding:var(--s64) 0 var(--s32);}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:var(--s48);}
.footer-brand{display:flex;align-items:center;gap:var(--s12);font-size:17px;font-weight:800;letter-spacing:-.01em;}
.footer-about{margin-top:var(--s16);font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:var(--s16);}
.footer-links{display:flex;flex-direction:column;gap:var(--s12);}
.footer-links a{position:relative;font-size:14px;color:rgba(255,255,255,.66);padding-left:0;transition:color .2s ease,padding-left .2s ease;}
.footer-links a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:0;height:2px;background:var(--accent);transition:width .2s ease;}
.footer-links a:hover{color:var(--accent);padding-left:12px;}
.footer-links a:hover::before{width:8px;}
.footer-form{display:flex;gap:var(--s8);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);padding:4px 4px 4px 20px;}
.footer-form input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;color:#fff;font-size:14px;padding:10px 0;}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:var(--s12);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--s12);margin-top:var(--s48);padding-top:var(--s24);border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:rgba(255,255,255,.6);}
.site-footer .form-msg{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:var(--s48);}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .article-shell{padding:var(--s32);}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:var(--s32);}
  .sidebar{position:static;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:var(--s24);}
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--s32);}
  .header-search{display:none;}
  .nav-toggle{display:flex;}
  .channel-note{display:none;}
  .mobile-panel{display:block;position:fixed;inset:0;background:var(--surface);z-index:60;padding:var(--s24);transform:translateY(-102%);transition:transform .28s cubic-bezier(.2,.7,.2,1);}
  .mobile-panel.is-open{transform:none;}
  .mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--s24);}
  .mobile-close{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:18px;line-height:1;}
  .mobile-list{display:flex;flex-direction:column;}
  .mobile-list li+li{border-top:1px solid var(--line);}
  .mobile-list a{display:flex;align-items:center;justify-content:space-between;padding:18px 4px;font-size:17px;font-weight:600;}
  .mobile-list a span{color:var(--muted);}
}
@media (max-width:767px){
  .page-main{padding:var(--s32) 0 var(--s64);}
  .article-shell{padding:var(--s24);border-radius:var(--r-card);}
  .entry-title{font-size:clamp(24px,6vw,30px);}
  .article-body{font-size:16.5px;line-height:1.8;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:var(--s32) var(--s24);}
  .footer-top{grid-template-columns:1fr;gap:var(--s32);}
  .pager{flex-direction:column;align-items:stretch;}
  .section-head{flex-direction:column;align-items:flex-start;gap:var(--s8);}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .header-inner{min-height:64px;gap:var(--s16);}
  .header-actions .link-quiet{display:none;}
  .rec-card{flex-direction:row;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#0D1512;
  --ink-2:#1C2622;
  --ink-3:#2E3A35;
  --accent:#BFEA3C;
  --live:#FF4D2E;
  --bg:#F5F4F0;
  --bg-alt:#EFEEE8;
  --surface:#FFFFFF;
  --line:#E3E1DA;
  --muted:#6B7570;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --shadow-1:0 1px 2px rgba(13,21,18,.05), 0 10px 28px -16px rgba(13,21,18,.22);
  --shadow-2:0 2px 4px rgba(13,21,18,.07), 0 22px 44px -20px rgba(13,21,18,.32);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:60;background:var(--surface);}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:var(--sp-5);min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);flex:0 0 auto;}
.brand .brand-mark{width:34px;height:34px;flex:0 0 auto;}
.search-box{
  flex:1 1 auto;max-width:380px;display:flex;align-items:center;gap:6px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  padding:4px 4px 4px 18px;background:var(--surface);transition:border-color .2s, box-shadow .2s;
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(191,234,60,.45);}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;padding:6px 0;}
.search-box input::placeholder{color:#9AA39E;}
.search-box button{width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;transition:background .2s,color .2s;}
.search-box button:hover{background:var(--accent);color:var(--ink);}
.brand-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto;}
.link-plain{font-size:14px;color:var(--muted);transition:color .2s;}
.link-plain:hover{color:var(--ink);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;font-size:15px;}

.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);min-height:56px;}
.channel-list{display:flex;align-items:center;gap:32px;}
.channel-list a{position:relative;display:inline-block;padding:16px 0;font-size:15px;color:var(--muted);transition:color .2s;}
.channel-list a::after{content:"";position:absolute;left:0;bottom:9px;height:2px;width:0;background:var(--accent);transition:width .18s ease;}
.channel-list a:hover{color:var(--ink);}
.channel-list a:hover::after{width:100%;}
.channel-list a.is-active{color:var(--ink);font-weight:600;}
.channel-list a.is-active::after{width:100%;}
.channel-note{font-size:13px;color:var(--muted);}
.mobile-panel{display:none;border-bottom:1px solid var(--line);background:var(--surface);}
.mobile-panel.is-open{display:block;}
.mobile-panel ul{padding:var(--sp-3) 0;}
.mobile-panel a{display:flex;align-items:center;justify-content:space-between;padding:14px 32px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line);}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--muted);}
.mobile-panel a.is-active{color:var(--ink);font-weight:600;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:14px 28px;font-size:15px;font-weight:600;line-height:1;
  background:var(--ink);color:#fff;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{background:var(--accent);color:var(--ink);}
.btn:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#fff;color:var(--ink);border-color:var(--accent);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-sm{padding:10px 20px;font-size:14px;}

.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-btn);font-size:13px;font-weight:600;line-height:1.4;}
.badge-ink{background:var(--ink-3);color:#fff;}
.badge-accent{background:var(--accent);color:var(--ink);}
.badge-live{background:var(--live);color:#fff;}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite;}
.badge-soft{background:rgba(13,21,18,.06);color:var(--ink-3);}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--ink);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-7);}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:10px;}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.3;}
.section-sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap;border-bottom:2px solid var(--accent);padding-bottom:3px;transition:gap .2s;}
.link-more:hover{gap:14px;}

/* ============ 频道头 ============ */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  color:#fff;
  background-image:linear-gradient(105deg, rgba(13,21,18,.93) 0%, rgba(13,21,18,.82) 55%, rgba(28,38,34,.74) 100%), url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:var(--sp-5);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.78);}
.hero-title{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
  max-width:16em;margin-top:var(--sp-4);
}
.hero-lead{margin-top:var(--sp-4);font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:640px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-5);margin-top:var(--sp-7);max-width:720px;}
.hero-stat{border-left:2px solid var(--accent);padding-left:16px;}
.hero-stat strong{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.62);}
.hero-highlight{
  display:flex;align-items:center;gap:20px;margin-top:var(--sp-8);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);padding:16px;max-width:860px;
  transition:background .24s ease,border-color .24s ease,transform .24s ease;
}
.hero-highlight:hover{background:rgba(255,255,255,.12);border-color:rgba(191,234,60,.6);transform:translateY(-3px);}
.hero-highlight img{width:150px;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);flex:0 0 auto;}
.hero-highlight-body{flex:1;min-width:0;}
.hero-highlight-body h3{font-size:17px;font-weight:700;margin:8px 0 6px;}
.hero-highlight-body p{font-size:13px;color:rgba(255,255,255,.62);}
.hero-highlight .arrow{color:var(--accent);font-size:16px;flex:0 0 auto;transition:transform .24s;}
.hero-highlight:hover .arrow{transform:translateX(4px);}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(191,234,60,.55);}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--ink-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.2,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;top:14px;left:14px;}
.card-time{position:absolute;bottom:14px;right:14px;background:rgba(13,21,18,.82);color:#fff;font-size:12px;padding:5px 12px;border-radius:var(--r-btn);font-variant-numeric:tabular-nums;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;font-weight:700;line-height:1.45;letter-spacing:-.01em;}
.card-body p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.75;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag-list li{font-size:12px;color:var(--ink-3);background:rgba(13,21,18,.05);padding:4px 11px;border-radius:var(--r-btn);}
.card-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.card-foot .meta{font-size:13px;color:var(--muted);}
.card-foot .entry-link{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:7px;transition:gap .2s;}
.card-foot .entry-link:hover{gap:12px;}

/* ============ 价值区 ============ */
.value-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:36px;height:100%;
}
.value-main h3{font-size:24px;font-weight:800;line-height:1.4;letter-spacing:-.02em;margin-top:16px;}
.value-main p{margin-top:14px;color:var(--muted);font-size:16px;}
.check-list{margin-top:24px;display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.check-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--ink);background:var(--accent);width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:4px;}
.value-side{display:grid;gap:var(--sp-5);height:100%;}
.mini-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:26px;display:flex;gap:16px;align-items:flex-start;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(191,234,60,.55);}
.mini-card .ico{width:42px;height:42px;border-radius:12px;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto;}
.mini-card h4{font-size:17px;font-weight:700;}
.mini-card p{margin-top:8px;font-size:14px;color:var(--muted);}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-5);}
.step{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--ink);border-radius:var(--r-card);padding:28px 24px;transition:border-top-color .24s ease,transform .24s ease,box-shadow .24s ease;}
.step:hover{border-top-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-1);}
.step-num{font-size:34px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--ink);opacity:.16;}
.step h4{font-size:17px;font-weight:700;margin-top:8px;}
.step p{margin-top:10px;font-size:14px;color:var(--muted);}
.step .time{margin-top:16px;font-size:13px;color:var(--ink-3);font-weight:600;}

/* ============ 场景图文 ============ */
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.scene.reverse .scene-media{order:2;}
.scene-media{position:relative;min-height:280px;background:var(--ink-2);}
.scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.scene-body{padding:40px;}
.scene-body h3{font-size:22px;font-weight:800;line-height:1.4;letter-spacing:-.02em;margin-top:14px;}
.scene-body p{margin-top:14px;color:var(--muted);font-size:15px;}
.scene-body .link-more{margin-top:22px;}

/* ============ 要点清单 ============ */
.point-list{border-top:1px solid var(--line);}
.point-list li{display:grid;grid-template-columns:56px 1fr auto;gap:var(--sp-5);align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:padding-left .2s ease,background .2s ease;}
.point-list li:hover{padding-left:10px;background:#FAFAF7;}
.point-list .idx{font-size:20px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em;-webkit-text-stroke:1px rgba(13,21,18,.4);}
.point-list strong{display:block;font-size:17px;font-weight:700;}
.point-list span.desc{display:block;margin-top:4px;font-size:14px;color:var(--muted);}
.point-list .mark{font-size:13px;color:var(--muted);white-space:nowrap;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;padding:0 24px;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 40px 22px 20px;font-size:17px;font-weight:600;line-height:1.6;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{content:"";position:absolute;left:0;top:26px;width:4px;height:18px;border-radius:2px;background:var(--line);transition:background .2s;}
.faq-item[open] summary::before{background:var(--accent);}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--muted);line-height:1;}
.faq-item[open] summary::after{content:"\2013";}
.faq-item summary:hover{color:var(--ink-2);}
.faq-body{padding:0 0 24px 20px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:#fff;padding:80px 0;}
.cta-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:var(--sp-8);align-items:center;}
.cta-inner h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.32;letter-spacing:-.02em;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.66);font-size:16px;max-width:460px;}
.cta-form{display:flex;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-btn);padding:8px;}
.cta-form input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#fff;font-size:15px;padding:10px 18px;}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form .btn{flex:0 0 auto;}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 32px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:var(--sp-7);padding-bottom:var(--sp-8);border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.footer-brand .brand-mark{width:34px;height:34px;}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{position:relative;font-size:14px;color:rgba(255,255,255,.68);padding-left:0;transition:color .2s,padding-left .2s;}
.footer-links a::before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:2px;height:0;background:var(--accent);transition:height .2s;}
.footer-links a:hover{color:var(--accent);padding-left:8px;}
.footer-links a:hover::before{height:12px;}
.footer-form{display:flex;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-btn);padding:6px;}
.footer-form input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#fff;font-size:14px;padding:8px 14px;}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.7;}
.form-msg{color:var(--accent);min-height:18px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;padding-top:var(--sp-5);font-size:12px;color:rgba(255,255,255,.55);}

/* ============ 进场动效 ============ */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);}
.js .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .brand-actions .btn{display:none;}
  .channel-inner{flex-direction:column;align-items:stretch;gap:0;}
  .channel-list{overflow-x:auto;white-space:nowrap;gap:22px;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
  .channel-list::-webkit-scrollbar{display:none;}
  .channel-note{display:none;}
  .channel-list a{padding:14px 0;}
  .channel-list a::after{bottom:7px;}
  .hero-stats{grid-template-columns:1fr 1fr 1fr;gap:16px;}
  .steps{grid-template-columns:1fr 1fr;}
  .scene{grid-template-columns:1fr;}
  .scene.reverse .scene-media{order:0;}
  .scene-media{min-height:220px;}
  .scene-body{padding:32px 24px;}
  .cta-inner{grid-template-columns:1fr;gap:var(--sp-6);}
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--sp-6);}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .brand{font-size:17px;}
  .brand .brand-mark{width:30px;height:30px;}
  .page-hero{padding:44px 0 40px;}
  .hero-stats{grid-template-columns:1fr;gap:14px;margin-top:var(--sp-6);}
  .hero-highlight{flex-direction:column;align-items:flex-start;gap:14px;}
  .hero-highlight img{width:100%;}
  .steps{grid-template-columns:1fr;}
  .value-main{padding:26px;}
  .mini-card{padding:22px;}
  .card-body{padding:18px 18px 20px;}
  .card-body h3{font-size:17px;}
  .point-list li{grid-template-columns:34px 1fr;gap:14px;}
  .point-list .mark{grid-column:2;margin-top:6px;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:16px;padding:18px 34px 18px 18px;}
  .faq-item summary::before{top:21px;}
  .cta-band{padding:56px 0;}
  .cta-form{flex-direction:column;border-radius:var(--r-card);}
  .cta-form .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:var(--sp-6);}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --ink:#0D1512;
  --ink-2:#1C2622;
  --ink-3:#2E3A35;
  --accent:#BFEA3C;
  --accent-soft:rgba(191,234,60,.28);
  --live:#FF4D2E;
  --bg:#F5F4F0;
  --surface:#FFFFFF;
  --surface-2:#FAFAF7;
  --line:#E3E1DA;
  --muted:#6B7570;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(13,21,18,.05), 0 10px 28px -16px rgba(13,21,18,.22);
  --shadow-2:0 2px 6px rgba(13,21,18,.07), 0 24px 46px -20px rgba(13,21,18,.32);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Songti SC","Noto Serif SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--sp-6)}
.gx-flush{margin-left:-0.9375rem;margin-right:-0.9375rem}
.section{padding:var(--sp-9) 0}
.section-tight{padding:var(--sp-8) 0}
.section-head{margin-bottom:var(--sp-6)}
.section-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.28}
.section-head p{margin-top:var(--sp-3);color:var(--muted);font-size:16px;max-width:720px}
.serif{font-family:var(--font-serif)}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line)}
.header-main{display:flex;align-items:center;gap:var(--sp-6);height:72px}
.brand{display:flex;align-items:center;gap:var(--sp-3);flex:none}
.brand-mark{width:36px;height:36px;flex:none}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.header-search{position:relative;flex:1;max-width:400px}
.header-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted)}
.header-search input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:0 var(--sp-4) 0 42px;background:var(--surface);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.header-search input::placeholder{color:var(--muted)}
.header-search input:hover{border-color:#CFCDC4}
.header-search input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px var(--accent-soft);background:var(--surface)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:var(--sp-5);flex:none}
.link-quiet{font-size:14px;color:var(--muted);position:relative}
.link-quiet:hover{color:var(--ink)}
.link-quiet::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--ink);transition:width .2s ease}
.link-quiet:hover::after{width:100%}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:var(--surface);align-items:center;justify-content:center;color:var(--ink);
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--ink);background:var(--surface-2)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:var(--sp-4) var(--sp-6) var(--sp-6)}
.mobile-panel.is-open{display:block}
.mobile-panel ul{margin-bottom:var(--sp-4)}
.mobile-panel li a{
  display:flex;align-items:center;justify-content:space-between;
  padding:var(--sp-4) 0;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;
}
.mobile-panel li a i{color:var(--muted);font-size:13px}
.mobile-panel li a.is-active{color:var(--ink)}
.mobile-panel li a.is-active i{color:var(--accent)}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);min-height:54px}
.channel-list{display:flex;gap:var(--sp-6);align-items:center}
.channel-list a{position:relative;display:block;padding:16px 0;font-size:15px;color:var(--muted);white-space:nowrap}
.channel-list a::after{content:"";position:absolute;left:0;bottom:10px;width:0;height:2px;background:var(--accent);transition:width .18s ease}
.channel-list a:hover{color:var(--ink)}
.channel-list a:hover::after{width:100%}
.channel-list a.is-active{color:var(--ink);font-weight:700}
.channel-list a.is-active::after{width:100%}
.channel-note{font-size:13px;color:var(--muted);white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);
  border:1px solid transparent;border-radius:var(--radius-pill);
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn i{font-size:13px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent);color:var(--ink)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  border-radius:var(--radius-pill);padding:5px 13px;
  font-size:13px;font-weight:600;line-height:1.4;
}
.badge-accent{background:var(--accent);color:var(--ink)}
.badge-ink{background:var(--ink-3);color:#fff}
.badge-live{background:var(--live);color:#fff}
.dot-live{width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.tag{
  display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:3px 11px;font-size:12px;color:var(--muted);background:var(--surface);
  transition:border-color .18s ease,color .18s ease;
}
.tag:hover{border-color:var(--ink);color:var(--ink)}

/* ---------- 频道头（浅色版式） ---------- */
.channel-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:var(--sp-8) 0 var(--sp-8)}
.crumb{display:flex;align-items:center;gap:var(--sp-2);font-size:13px;color:var(--muted);margin-bottom:var(--sp-6)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb span.sep{color:#C8C5BB}
.crumb-current{color:var(--muted)}
.channel-hero h1{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(30px,4.6vw,54px);line-height:1.16;letter-spacing:-.02em;
  margin:var(--sp-5) 0 0;
}
.hero-lead{margin-top:var(--sp-5);font-size:17px;line-height:1.85;color:var(--ink-2);max-width:660px}
.hero-actions{margin-top:var(--sp-6);display:flex;flex-wrap:wrap;gap:var(--sp-4)}
.hero-panel{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:var(--sp-6);height:100%;
}
.panel-title{font-size:16px;font-weight:800;letter-spacing:-.01em;margin-bottom:var(--sp-5)}
.panel-list li{display:flex;flex-direction:column;gap:var(--sp-1);padding:var(--sp-4) 0;border-top:1px solid var(--line)}
.panel-list li:first-child{border-top:none;padding-top:0}
.panel-list span{font-size:13px;color:var(--muted)}
.panel-list strong{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6}

/* ---------- 维度卡 ---------- */
.dim-grid{margin-top:var(--sp-2)}
.dim-card{
  position:relative;display:flex;flex-direction:column;gap:var(--sp-3);height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:var(--sp-6);box-shadow:var(--shadow-1);
  transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s ease,border-color .24s ease;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--accent-soft)}
.dim-num{font-size:13px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.dim-card h3{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.45}
.dim-card p{font-size:15px;color:var(--muted);line-height:1.8}
.dim-icon{
  width:40px;height:40px;border-radius:var(--radius-pill);background:var(--accent);
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}

/* ---------- 侧栏索引 + 时间线 ---------- */
.side-index{position:sticky;top:96px}
.side-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:var(--sp-4)}
.side-list li{border-top:1px solid var(--line)}
.side-list li:last-child{border-bottom:1px solid var(--line)}
.side-list a{
  position:relative;display:block;padding:var(--sp-4) 0 var(--sp-4) var(--sp-5);
  font-size:15px;color:var(--muted);transition:color .18s ease,padding-left .18s ease;
}
.side-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--accent);border-radius:2px;transition:height .2s ease;
}
.side-list a:hover{color:var(--ink);padding-left:var(--sp-6)}
.side-list a.is-current{color:var(--ink);font-weight:700}
.side-list a.is-current::before{height:22px}
.side-note{
  margin-top:var(--sp-6);padding:var(--sp-5);border:1px dashed var(--line);
  border-radius:var(--radius-card);font-size:14px;color:var(--muted);line-height:1.85;background:var(--surface-2);
}
.block-head{margin-bottom:var(--sp-5)}
.block-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:-.02em}
.block-head p{margin-top:var(--sp-3);color:var(--muted);font-size:16px;max-width:640px}

.timeline{border-top:1px solid var(--line)}
.tl-item{
  display:grid;grid-template-columns:104px 1fr 150px;gap:var(--sp-6);
  align-items:center;padding:var(--sp-6) var(--sp-4);border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.tl-item:hover{background:var(--surface-2)}
.tl-round{font-size:18px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink)}
.tl-sub{display:block;margin-top:var(--sp-1);font-size:12px;font-weight:500;color:var(--muted);letter-spacing:0}
.tl-body h3{font-size:18px;font-weight:700;line-height:1.5;letter-spacing:-.01em}
.tl-body h3 a{transition:color .18s ease}
.tl-item:hover .tl-body h3 a{color:var(--ink-2)}
.tl-body p{margin-top:var(--sp-3);font-size:15px;color:var(--muted);line-height:1.8}
.tl-tags{margin-top:var(--sp-4);display:flex;flex-wrap:wrap;gap:var(--sp-2)}
.tl-thumb{overflow:hidden;border-radius:var(--radius-img);border:1px solid var(--line)}
.tl-thumb img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .24s cubic-bezier(.2,.7,.2,1)}
.tl-item:hover .tl-thumb img{transform:scale(1.04)}
.tl-more{margin-top:var(--sp-6);display:flex;align-items:center;gap:var(--sp-2);font-size:15px;font-weight:600}
.tl-more i{transition:transform .2s ease}
.tl-more:hover i{transform:translateX(4px)}

/* ---------- 流程 ---------- */
.step-wrap{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-grid{margin-top:var(--sp-2)}
.step{
  position:relative;padding:var(--sp-6) var(--sp-5) var(--sp-5) 0;border-top:2px solid var(--line);
  transition:border-color .24s ease;
}
.step:hover{border-color:var(--accent)}
.step-num{font-size:36px;font-weight:800;line-height:1;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.step h3{margin-top:var(--sp-4);font-size:17px;font-weight:700;letter-spacing:-.01em}
.step p{margin-top:var(--sp-3);font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list.accordion{background:transparent;border:none;margin:0}
.faq-item{
  background:var(--surface);border:1px solid var(--line) !important;border-radius:var(--radius-card);
  margin-bottom:var(--sp-4);overflow:hidden;
}
.faq-item .accordion-title{
  position:relative;display:block;padding:var(--sp-5) var(--sp-8) var(--sp-5) var(--sp-6);
  font-size:17px;font-weight:700;color:var(--ink);background:var(--surface);border:none;
  transition:background .18s ease,color .18s ease;
}
.faq-item .accordion-title:hover,.faq-item .accordion-title:focus{background:var(--surface-2);color:var(--ink)}
.faq-item .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--accent);transition:height .2s ease;
}
.faq-item.is-active .accordion-title::before{content:"";height:24px}
.faq-item .accordion-title::after{
  content:"";position:absolute;right:var(--sp-6);top:50%;
  width:14px;height:2px;background:var(--ink-3);
  transform:translateY(-50%);transition:transform .2s ease;
}
.faq-item .accordion-content{
  display:block;padding:0 var(--sp-6) var(--sp-6);border:none;background:var(--surface);
  color:var(--ink-2);font-size:16px;line-height:1.85;
}
.faq-item .accordion-content[aria-hidden="true"]{display:none}
.faq-item .accordion-content p+p{margin-top:var(--sp-4)}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:var(--sp-8) 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-7);justify-content:space-between}
.cta-copy h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.3}
.cta-copy p{margin-top:var(--sp-3);color:rgba(255,255,255,.72);font-size:16px;max-width:520px}
.cta-form{display:flex;gap:var(--sp-3);flex-wrap:wrap;align-items:center}
.cta-form input{
  height:52px;min-width:280px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;border-radius:var(--radius-img);
  padding:0 var(--sp-5);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(191,234,60,.22)}
.cta-msg{width:100%;margin-top:var(--sp-3);font-size:14px;color:var(--accent);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:var(--sp-9) 0 var(--sp-6);border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:var(--sp-7)}
.footer-brand{display:flex;align-items:center;gap:var(--sp-3);color:#fff;font-size:19px;font-weight:800;letter-spacing:-.02em}
.footer-about{margin-top:var(--sp-4);font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:var(--sp-5);letter-spacing:.02em}
.footer-links li{margin-bottom:var(--sp-3)}
.footer-links a{position:relative;display:inline-block;padding-left:0;font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease,padding-left .18s ease}
.footer-links a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:0;background:var(--accent);transition:height .18s ease}
.footer-links a:hover{color:var(--accent);padding-left:var(--sp-3)}
.footer-links a:hover::before{height:14px}
.footer-form{display:flex;gap:var(--sp-2)}
.footer-form input{
  flex:1;min-width:0;height:46px;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);color:#fff;padding:0 var(--sp-5);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.48)}
.footer-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(191,234,60,.2)}
.footer-note{margin-top:var(--sp-4);font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}
.form-msg{color:var(--accent);min-height:18px;margin-top:var(--sp-3)}
.footer-bottom{
  margin-top:var(--sp-8);padding-top:var(--sp-5);border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.56);
}

/* ---------- 进场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .dot-live{animation:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- 断点 ---------- */
@media (max-width:1023px){
  .container{padding:0 var(--sp-5)}
  .section{padding:var(--sp-8) 0}
  .header-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{gap:var(--sp-4)}
  .channel-note{display:none}
  .channel-inner{overflow:hidden}
  .channel-list{overflow-x:auto;gap:var(--sp-5);-ms-overflow-style:none;scrollbar-width:none}
  .channel-list::-webkit-scrollbar{display:none}
  .side-index{position:static;margin-bottom:var(--sp-7)}
  .side-list{display:flex;flex-wrap:wrap;gap:var(--sp-2);border:none}
  .side-list li{border:none}
  .side-list a{padding:var(--sp-2) var(--sp-4);border:1px solid var(--line);border-radius:var(--radius-pill);font-size:14px;background:var(--surface)}
  .side-list a::before{display:none}
  .side-list a:hover{padding-left:var(--sp-4)}
  .side-list a.is-current{border-color:var(--ink)}
  .side-note{display:none}
  .tl-item{grid-template-columns:88px 1fr 120px;gap:var(--sp-5);padding:var(--sp-5) var(--sp-2)}
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--sp-7)}
}
@media (max-width:767px){
  .container{padding:0 var(--sp-4)}
  .section{padding:var(--sp-7) 0}
  .section-head h2,.block-head h2{font-size:24px}
  .header-main{height:64px;gap:var(--sp-4)}
  .brand-text{font-size:17px}
  .btn{padding:12px 22px;font-size:14px}
  .header-actions .btn{padding:10px 16px;font-size:13px}
  .channel-hero{padding:var(--sp-7) 0}
  .hero-panel{margin-top:var(--sp-6)}
  .tl-item{grid-template-columns:1fr;gap:var(--sp-4);padding:var(--sp-5) var(--sp-2)}
  .tl-thumb{max-width:220px}
  .cta-inner{gap:var(--sp-5)}
  .cta-form{width:100%}
  .cta-form input{min-width:0;width:100%}
  .cta-form .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:var(--sp-6)}
  .footer-bottom{flex-direction:column;gap:var(--sp-2)}
}
@media (max-width:519px){
  .header-actions .link-quiet{display:none}
  .step-num{font-size:30px}
  .faq-item .accordion-title{font-size:16px;padding-right:var(--sp-7)}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
}