/* roulang page: index */
:root{
  --brand:#ff4d6d;
  --brand-dark:#e0325a;
  --brand-soft:#fff1f4;
  --accent:#12b5a6;
  --accent-soft:#e6f8f6;
  --ink:#171426;
  --ink-2:#3b3549;
  --muted:#6c6579;
  --line:#ece8f1;
  --bg:#fbfafc;
  --card:#ffffff;
  --radius:20px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(23,20,38,.05);
  --shadow:0 14px 36px -16px rgba(23,20,38,.2);
  --shadow-lg:0 28px 64px -28px rgba(23,20,38,.34);
}
*,*::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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
::selection{background:var(--brand);color:#fff;}

/* ===== App shell ===== */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:252px;
  background:#fff;border-right:1px solid var(--line);
  padding:22px 18px;display:flex;flex-direction:column;gap:24px;z-index:80;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 18px -8px rgba(255,77,109,.9);
}
.brand-name{display:block;font-weight:800;font-size:16px;line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:1.6px;margin-top:2px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  align-items:center;justify-content:center;font-size:16px;transition:.2s;
}
.nav-toggle:hover{background:var(--brand);color:#fff;}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-link{
  display:flex;align-items:center;gap:11px;
  padding:10px 13px;border-radius:13px;
  font-size:14.5px;color:var(--ink-2);transition:.22s;
}
.nav-link i{width:18px;text-align:center;color:var(--muted);font-size:14px;transition:.22s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link:hover i{color:var(--brand);}
.nav-link.active{background:var(--ink);color:#fff;box-shadow:0 10px 22px -14px rgba(23,20,38,.9);}
.nav-link.active i{color:#fff;}
.sidebar-foot{
  margin-top:auto;border-top:1px solid var(--line);padding-top:16px;
  font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:6px;
}
.sidebar-foot strong{color:var(--ink-2);font-weight:600;}
.app-body{margin-left:252px;display:flex;flex-direction:column;min-height:100vh;}
.content{flex:1;padding-bottom:20px;}
.wrap{max-width:1180px;margin:0 auto;padding:0 30px;}
.section{padding:34px 0;}
.section:first-child{padding-top:0;}

/* ===== Typography helpers ===== */
.kicker{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.4px;
  color:var(--brand);margin-bottom:10px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:26px;flex-wrap:wrap;
}
.section-head .head-main{flex:1 1 420px;min-width:0;}
.section-title{
  font-size:clamp(21px,2.4vw,30px);font-weight:800;line-height:1.32;
  letter-spacing:-.3px;color:var(--ink);
}
.section-title-sm{font-size:clamp(18px,1.8vw,22px);font-weight:800;line-height:1.35;}
.section-desc{
  color:var(--muted);font-size:14px;line-height:1.8;
  max-width:560px;flex:1 1 320px;
}
.section-note{color:var(--muted);font-size:14px;line-height:1.8;max-width:700px;margin-top:12px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.btn-primary{
  background:var(--brand);color:#fff;
  box-shadow:0 12px 26px -14px rgba(255,77,109,1);
}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(255,77,109,1);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-lg{padding:13px 27px;font-size:15px;}
.btn-block{width:100%;}

/* ===== Tags ===== */
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
}

/* ===== Hero bento ===== */
.hero-wrap{padding:30px 0 6px;}
.bento{display:grid;grid-template-columns:1.55fr 1fr;gap:18px;}
.bento-main{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow);
}
.bento-main::after{
  content:"";position:absolute;right:-100px;top:-110px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(255,77,109,.2),transparent 68%);
  pointer-events:none;
}
.hero-title{
  font-size:clamp(26px,3.2vw,40px);line-height:1.26;font-weight:800;
  letter-spacing:-.6px;margin-top:18px;position:relative;z-index:1;
}
.hero-lead{
  margin-top:18px;color:var(--ink-2);font-size:15px;line-height:1.9;
  max-width:660px;position:relative;z-index:1;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1;}
.hero-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:1;}
.bento-side{display:grid;grid-template-rows:1fr 1fr;gap:18px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;justify-content:center;
  box-shadow:var(--shadow-sm);transition:.25s;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.mini-label{font-size:12px;letter-spacing:1.6px;color:var(--muted);font-weight:600;}
.mini-value{font-size:25px;font-weight:800;margin-top:8px;letter-spacing:-.4px;}
.mini-desc{font-size:13px;color:var(--muted);margin-top:5px;}
.mini-card.mini-accent{
  background:linear-gradient(150deg,#1a1526,#332a4d);
  border-color:transparent;color:#fff;
}
.mini-card.mini-accent .mini-label{color:rgba(255,255,255,.58);}
.mini-card.mini-accent .mini-desc{color:rgba(255,255,255,.62);}
.bento-bar{
  grid-column:1 / -1;display:flex;align-items:center;gap:14px;
  background:var(--brand-soft);border:1px dashed rgba(255,77,109,.42);
  border-radius:18px;padding:15px 22px;font-size:14px;color:var(--brand-dark);
}
.bento-bar i{font-size:15px;}

/* ===== Grids ===== */
.cols-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.cols-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}

/* ===== Cards ===== */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:.25s;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,77,109,.3);}
.feature-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-size:17px;background:var(--brand-soft);color:var(--brand);margin-bottom:16px;transition:.25s;
}
.cols-3 .panel:nth-child(3n+2) .feature-icon{background:var(--accent-soft);color:var(--accent);}
.cols-3 .panel:nth-child(3n+3) .feature-icon{background:#eef0ff;color:#6165e8;}
.panel:hover .feature-icon{transform:scale(1.06);}
.feature-title{font-size:16.5px;font-weight:700;margin-bottom:9px;}
.feature-text{font-size:14px;color:var(--muted);line-height:1.8;}

/* ===== Stats ===== */
.stat-panel{
  display:grid;grid-template-columns:1fr 1.25fr;gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow-sm);
}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 20px;}
.stat{border-left:3px solid var(--brand);padding-left:16px;}
.stat:nth-child(2){border-left-color:var(--accent);}
.stat:nth-child(3){border-left-color:#6165e8;}
.stat:nth-child(4){border-left-color:#ff9f43;}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-.8px;line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-num span{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:5px;}

/* ===== Slot cards ===== */
.slot-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:22px;padding:28px;transition:.25s;
}
.slot-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--brand),#ff9f43);
  opacity:.85;
}
.slot-card:nth-child(2)::before{background:linear-gradient(90deg,var(--accent),#5ad1c4);}
.slot-card:nth-child(3)::before{background:linear-gradient(90deg,#6165e8,#9b8cff);}
.slot-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.slot-time{font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);}
.slot-card:nth-child(2) .slot-time{color:var(--accent);}
.slot-card:nth-child(3) .slot-time{color:#6165e8;}
.slot-title{font-size:19px;font-weight:800;margin:9px 0 11px;}
.slot-text{font-size:14px;color:var(--muted);line-height:1.8;}
.slot-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}

/* ===== Topics ===== */
.topic-panel{
  background:linear-gradient(140deg,#fff6f8 0%,#ffffff 62%);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;
}
.topic-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.topic-tag{
  padding:9px 19px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);transition:.22s;cursor:default;
}
.topic-tag:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}

/* ===== Rank list ===== */
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:20px 26px;transition:.22s;
}
.rank-item:hover{border-color:rgba(255,77,109,.34);box-shadow:var(--shadow-sm);transform:translateX(5px);}
.rank-no{
  font-size:19px;font-weight:800;color:var(--brand);opacity:.42;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.rank-body h3{font-size:16px;font-weight:700;line-height:1.5;}
.rank-body p{font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.75;}
.rank-meta{font-size:12.5px;color:var(--muted);white-space:nowrap;}

/* ===== Team ===== */
.team-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:28px;text-align:center;transition:.25s;
}
.team-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.avatar{
  width:64px;height:64px;border-radius:50%;margin:0 auto 15px;
  display:grid;place-items:center;color:#fff;font-size:22px;font-weight:800;
}
.team-card:nth-child(1) .avatar{background:linear-gradient(135deg,#ff4d6d,#ff8a5c);}
.team-card:nth-child(2) .avatar{background:linear-gradient(135deg,#12b5a6,#5ad1c4);}
.team-card:nth-child(3) .avatar{background:linear-gradient(135deg,#6165e8,#9b8cff);}
.team-name{font-size:16.5px;font-weight:700;}
.team-role{font-size:12.5px;color:var(--brand);font-weight:600;margin-top:4px;letter-spacing:.5px;}
.team-text{font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:12px;}

/* ===== Demo ===== */
.demo-panel{
  display:grid;grid-template-columns:1.08fr 1fr;gap:38px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px;box-shadow:var(--shadow-sm);
}
.step-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.step-item{display:flex;gap:15px;align-items:flex-start;}
.step-no{
  flex:0 0 30px;width:30px;height:30px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.step-item h3{font-size:15px;font-weight:700;}
.step-item p{font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.75;}
.preview-card{
  background:linear-gradient(160deg,#1a1526 0%,#372c52 100%);
  border-radius:22px;padding:28px;color:#fff;height:100%;
  display:flex;flex-direction:column;gap:16px;
}
.preview-top{display:flex;align-items:center;gap:8px;}
.preview-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.32);}
.preview-dot.on{background:var(--brand);}
.preview-time{margin-left:auto;font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.5px;}
.preview-title{font-size:19px;font-weight:800;line-height:1.45;}
.preview-text{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.85;}
.preview-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;}
.preview-tags span{
  font-size:12px;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);
}
.preview-foot{
  display:flex;gap:18px;font-size:12.5px;color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.12);padding-top:14px;
}

/* ===== Quotes ===== */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;
  display:flex;flex-direction:column;gap:16px;transition:.25s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.stars{color:#ffb020;font-size:12.5px;letter-spacing:2px;}
.quote-text{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote-ava{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.quote-name{font-size:13.5px;font-weight:700;}
.quote-meta{font-size:12px;color:var(--muted);}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:var(--ink);border-radius:22px;padding:24px 28px;margin-top:20px;
}
.trust-item{display:flex;align-items:center;gap:11px;font-size:13.5px;color:rgba(255,255,255,.86);}
.trust-item i{color:var(--accent);font-size:14px;}

/* ===== Channel cards ===== */
.channel-card{
  display:flex;flex-direction:column;gap:11px;position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:30px;transition:.25s;
}
.channel-card::after{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:26px;top:30px;font-size:13px;color:var(--brand);
  opacity:0;transform:translateX(-6px);transition:.25s;
}
.channel-card:hover{border-color:var(--brand);transform:translateY(-5px);box-shadow:var(--shadow);}
.channel-card:hover::after{opacity:1;transform:translateX(0);}
.channel-name{font-size:18px;font-weight:800;}
.channel-text{font-size:14px;color:var(--muted);line-height:1.8;}
.channel-meta{font-size:12.5px;color:var(--brand);font-weight:600;margin-top:4px;}

/* ===== News list ===== */
.news-list{
  background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;
}
.news-item{
  display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;
  padding:21px 28px;border-bottom:1px solid var(--line);transition:.2s;
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:var(--brand-soft);}
.news-date{
  font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.8px;
  font-variant-numeric:tabular-nums;
}
.news-title{font-size:15px;font-weight:600;line-height:1.6;}
.news-sub{font-size:13px;color:var(--muted);margin-top:4px;}

/* ===== Story band ===== */
.story-band{
  background:linear-gradient(135deg,#1a1526 0%,#3d2f5c 100%);
  border-radius:var(--radius-lg);padding:48px;
  display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center;color:#fff;
}
.story-band .kicker{color:#ff8fa5;}
.story-title{font-size:clamp(21px,2.3vw,28px);font-weight:800;line-height:1.38;letter-spacing:-.3px;}
.story-text{font-size:14.5px;color:rgba(255,255,255,.76);line-height:1.9;margin-top:18px;}
.story-points{display:flex;flex-direction:column;gap:16px;}
.story-point{
  background:rgba(255,255,255,.07);border-radius:16px;padding:18px 22px;
  border:1px solid rgba(255,255,255,.1);
}
.story-point strong{display:block;font-size:15px;font-weight:700;}
.story-point span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:5px;line-height:1.7;}

/* ===== Form ===== */
.form-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px;box-shadow:var(--shadow);
}
.form-points{display:flex;flex-direction:column;gap:13px;margin-top:24px;}
.form-point{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.form-point i{color:var(--brand);margin-top:5px;font-size:13px;}
.field{display:block;margin-bottom:16px;}
.field > span{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:600;}
.field input,.field select{
  width:100%;border:1px solid var(--line);border-radius:13px;
  padding:12px 15px;background:#faf9fc;font-size:14px;transition:.2s;
}
.field input::placeholder{color:#a9a3b5;}
.field input:hover,.field select:hover{border-color:#ddd7e6;}
.field input:focus,.field select:focus{
  border-color:var(--brand);background:#fff;outline:none;
  box-shadow:0 0 0 3px rgba(255,77,109,.13);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7;}
.form-ok{
  display:none;margin-top:14px;padding:12px 16px;border-radius:13px;
  background:var(--accent-soft);color:#0a7a70;font-size:13.5px;
}

/* ===== Footer ===== */
.site-footer{
  background:#fff;border-top:1px solid var(--line);
  padding:46px 0 26px;margin-top:36px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-text{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:400px;}
.footer-title{font-size:14px;font-weight:700;margin-bottom:14px;}
.footer-link{
  display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:.2s;
}
.footer-link:hover{color:var(--brand);transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:32px;padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .cols-4{grid-template-columns:repeat(2,1fr);}
  .trust-bar{grid-template-columns:repeat(2,1fr);gap:18px;}
  .stat-panel{grid-template-columns:1fr;gap:28px;}
  .demo-panel{grid-template-columns:1fr;gap:28px;}
  .story-band{grid-template-columns:1fr;gap:28px;padding:38px;}
  .form-panel{grid-template-columns:1fr;gap:30px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:1024px){
  .sidebar{
    position:sticky;top:0;bottom:auto;left:auto;width:100%;height:auto;
    flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;
    padding:12px 20px;gap:0;box-shadow:0 4px 18px -10px rgba(23,20,38,.32);
  }
  .sidebar-head{width:100%;}
  .nav-toggle{display:inline-flex;}
  .nav-list{
    width:100%;max-height:0;overflow:hidden;margin-top:0;
    transition:max-height .34s ease;
  }
  .nav-list.open{max-height:340px;margin-top:12px;}
  .nav-link{padding:12px 14px;border-radius:12px;}
  .sidebar-foot{display:none;}
  .app-body{margin-left:0;}
  .cols-3{grid-template-columns:repeat(2,1fr);}
  .bento{grid-template-columns:1fr;}
  .bento-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .rank-item{grid-template-columns:auto 1fr;gap:16px;}
  .rank-meta{grid-column:2;text-align:left;}
}
@media (max-width:760px){
  .wrap{padding:0 20px;}
  .section{padding:26px 0;}
  .bento-main{padding:28px 24px;}
  .bento-side{grid-template-columns:1fr;}
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr;}
  .trust-bar{grid-template-columns:1fr;padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .topic-panel{padding:28px 24px;}
  .demo-panel{padding:28px 24px;}
  .form-panel{padding:26px 22px;}
  .story-band{padding:30px 24px;}
  .news-item{padding:18px 22px;gap:14px;}
  .rank-item{padding:18px 20px;}
  .stat-panel{padding:28px 24px;}
}
@media (max-width:520px){
  .hero-title{letter-spacing:-.3px;}
  .hero-actions .btn{width:100%;}
  .brand-sub{display:none;}
  .section-head{margin-bottom:20px;}
  .stat-grid{grid-template-columns:1fr;}
  .bento-bar{align-items:flex-start;font-size:13.5px;}
}

/* roulang page: category3 */
:root{
 --brand:#ff4d6d;
 --brand-dark:#e0325a;
 --brand-soft:#fff1f4;
 --accent:#12b5a6;
 --accent-soft:#e6f8f6;
 --ink:#171426;
 --ink-2:#3b3549;
 --muted:#6c6579;
 --line:#ece8f1;
 --bg:#fbfafc;
 --card:#ffffff;
 --radius:20px;
 --radius-lg:26px;
 --shadow-sm:0 2px 10px rgba(23,20,38,.05);
 --shadow:0 14px 36px -16px rgba(23,20,38,.2);
 --shadow-lg:0 28px 64px -28px rgba(23,20,38,.34);
}
*,*::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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.7;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 26px;}

/* ===== 品牌 ===== */
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
 width:38px;height:38px;border-radius:13px;flex:0 0 38px;
 background:linear-gradient(135deg,var(--brand),#ff8a5c);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 8px 18px -8px rgba(255,77,109,.9);
}
.brand-name{display:block;font-weight:800;font-size:16px;line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:1.6px;margin-top:2px;}

/* ===== 左侧 App Shell ===== */
.app-sidebar{
 position:fixed;top:0;left:0;bottom:0;width:252px;z-index:60;
 background:#fff;border-right:1px solid var(--line);
 padding:22px 16px;display:flex;flex-direction:column;gap:22px;
 transition:transform .3s ease;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:12px;flex:0 0 40px;
 background:var(--brand-soft);color:var(--brand);
 align-items:center;justify-content:center;font-size:16px;transition:.2s;
}
.nav-toggle:hover{background:var(--brand);color:#fff;}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-link{
 display:flex;align-items:center;gap:11px;
 padding:10px 13px;border-radius:13px;
 font-size:14.5px;color:var(--ink-2);transition:.22s;
}
.nav-link i{width:18px;text-align:center;color:var(--muted);font-size:14px;transition:.22s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link:hover i{color:var(--brand);}
.nav-link.active{background:var(--ink);color:#fff;box-shadow:0 10px 22px -14px rgba(23,20,38,.9);}
.nav-link.active i{color:#fff;}
.sidebar-foot{
 margin-top:auto;background:var(--brand-soft);border-radius:16px;padding:15px 16px;
 font-size:12.5px;color:var(--muted);line-height:1.75;
}
.sidebar-foot-title{font-size:12.5px;font-weight:800;color:var(--brand-dark);margin-bottom:6px;letter-spacing:.4px;}
.app-backdrop{display:none;position:fixed;inset:0;background:rgba(23,20,38,.44);z-index:55;}
.app-backdrop.show{display:block;}

.app-body{margin-left:252px;display:flex;flex-direction:column;min-height:100vh;}
.topbar{
 display:none;position:sticky;top:0;z-index:50;
 align-items:center;gap:12px;padding:11px 18px;
 background:rgba(255,255,255,.93);
 -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
 border-bottom:1px solid var(--line);
}
.topbar-tag{
 margin-left:auto;font-size:12px;font-weight:700;color:var(--brand-dark);
 background:var(--brand-soft);border-radius:999px;padding:5px 12px;
}

/* ===== 通用区块 ===== */
.section{padding:34px 0;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:600;color:var(--brand-dark);
 background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.section-head{
 display:flex;align-items:flex-end;justify-content:space-between;
 gap:28px;margin-bottom:26px;flex-wrap:wrap;
}
.section-head .head-main{flex:1 1 420px;min-width:0;}
.section-head .eyebrow{margin-bottom:12px;}
.section-title{
 font-size:clamp(21px,2.4vw,30px);font-weight:800;line-height:1.32;
 letter-spacing:-.3px;color:var(--ink);
}
.section-desc{
 color:var(--muted);font-size:14px;line-height:1.8;
 max-width:420px;flex:1 1 300px;
}
.section-note{
 color:var(--muted);font-size:14px;line-height:1.85;
 max-width:720px;margin-top:12px;
}

/* ===== 按钮 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:600;
 border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(255,77,109,1);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(255,77,109,1);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-lg{padding:13px 27px;font-size:15px;}

/* ===== 标签与徽章 ===== */
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
 background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
}
.tag-accent{background:var(--accent-soft);border-color:transparent;color:#0f8f84;font-weight:600;}

/* ===== 首屏 ===== */
.hero-wrap{padding:30px 0 8px;}
.topic-hero{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#ffffff 0%,#ffffff 52%,var(--brand-soft) 100%);
 border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:38px;box-shadow:var(--shadow);
}
.topic-hero::after{
 content:"";position:absolute;right:-110px;top:-120px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle at 35% 35%,rgba(255,77,109,.18),transparent 68%);
 pointer-events:none;
}
.hero-title{
 font-size:clamp(26px,3.3vw,41px);line-height:1.25;font-weight:800;
 letter-spacing:-.6px;margin-top:18px;position:relative;z-index:1;max-width:820px;
}
.hero-lead{
 margin-top:18px;color:var(--ink-2);font-size:15px;line-height:1.95;
 max-width:760px;position:relative;z-index:1;
}
.roadmap{
 display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
 margin-top:30px;position:relative;z-index:1;
}
.node{
 background:#fff;border:1px solid var(--line);border-radius:18px;
 padding:18px 18px 20px;box-shadow:var(--shadow-sm);transition:.25s;
}
.node:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.node-time{
 font-size:12.5px;font-weight:800;color:var(--brand-dark);letter-spacing:.8px;
 display:flex;align-items:center;gap:7px;
}
.node-time::before{
 content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);
 box-shadow:0 0 0 4px rgba(255,77,109,.16);
}
.node-title{font-size:15.5px;font-weight:700;margin-top:10px;}
.node-text{font-size:13.5px;color:var(--muted);line-height:1.78;margin-top:7px;}
.subscribe{
 margin-top:28px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
 background:#fff;border:1px solid var(--line);border-radius:999px;
 padding:8px;max-width:600px;box-shadow:var(--shadow-sm);
 position:relative;z-index:1;
}
.subscribe:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,77,109,.12);}
.subscribe input{
 flex:1 1 220px;min-width:0;border:0;background:transparent;
 padding:10px 18px;font-size:14px;outline:none;
}
.subscribe input::placeholder{color:#aaa3b4;}
.form-note{
 font-size:12.5px;color:var(--muted);margin-top:12px;position:relative;z-index:1;
}
.form-msg{
 font-size:13px;color:#0f8f84;margin-top:10px;font-weight:600;
 min-height:20px;position:relative;z-index:1;
}

/* ===== 筛选与频道 ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px;}
.chip{
 padding:8px 17px;border-radius:999px;background:#fff;border:1px solid var(--line);
 font-size:13.5px;color:var(--ink-2);transition:.2s;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.channel-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-sm);transition:.25s;
 display:flex;flex-direction:column;gap:14px;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.channel-icon{
 width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
 font-size:18px;background:var(--brand-soft);color:var(--brand);
}
.channel-card:nth-child(2) .channel-icon{background:var(--accent-soft);color:var(--accent);}
.channel-card:nth-child(3) .channel-icon{background:#eef0ff;color:#6165e8;}
.channel-title{font-size:17px;font-weight:800;}
.channel-text{font-size:13.8px;color:var(--muted);line-height:1.82;flex:1;}
.channel-link{
 display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
 color:var(--brand-dark);
}
.channel-link i{transition:.2s;}
.channel-link:hover i{transform:translateX(4px);}

/* ===== 专题卡 ===== */
.topic-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);transition:.26s;
 display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f8d3dc;}
.topic-thumb{
 height:128px;position:relative;display:flex;align-items:flex-end;
 justify-content:space-between;padding:14px 16px;
}
.topic-thumb.g1{background:linear-gradient(135deg,#ffd6a5,#ff9a76);}
.topic-thumb.g2{background:linear-gradient(135deg,#cfe9ff,#9ec9f5);}
.topic-thumb.g3{background:linear-gradient(135deg,#d7f5ec,#8fd8c9);}
.topic-thumb.g4{background:linear-gradient(135deg,#dfe3ff,#a9b1f2);}
.topic-thumb.g5{background:linear-gradient(135deg,#ffe6c7,#f5c07a);}
.topic-thumb.g6{background:linear-gradient(135deg,#f3d9ff,#c79bf0);}
.topic-no{
 position:absolute;top:12px;left:16px;
 font-size:12px;font-weight:800;letter-spacing:1.4px;color:rgba(23,20,38,.55);
}
.topic-badge{
 background:rgba(255,255,255,.86);border-radius:999px;padding:5px 12px;
 font-size:12px;font-weight:700;color:var(--ink-2);
}
.topic-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:11px;flex:1;}
.topic-title{font-size:16.5px;font-weight:800;line-height:1.4;}
.topic-text{font-size:13.6px;color:var(--muted);line-height:1.82;flex:1;}
.topic-foot{display:flex;gap:8px;flex-wrap:wrap;}

/* ===== 更新清单 ===== */
.list-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:8px 26px;box-shadow:var(--shadow-sm);
}
.list-row{
 display:grid;grid-template-columns:104px minmax(0,1fr) auto;
 gap:20px;align-items:center;padding:19px 0;
 border-top:1px dashed var(--line);
}
.list-row:first-child{border-top:0;}
.list-time{
 font-size:12.5px;font-weight:800;color:var(--brand-dark);
 background:var(--brand-soft);border-radius:999px;padding:7px 12px;text-align:center;
}
.list-title{font-size:15.5px;font-weight:700;line-height:1.45;}
.list-text{font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.75;}
.list-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}

/* ===== 数据条 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);transition:.25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.stat-num{
 display:block;font-size:34px;font-weight:800;letter-spacing:-1.2px;
 color:var(--brand);line-height:1.1;
}
.stat-label{display:block;font-size:15px;font-weight:700;margin-top:10px;}
.stat-text{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.72;}

/* ===== 深色区块 ===== */
.panel-dark{
 background:linear-gradient(150deg,#1a1526,#332a4d);
 border-radius:var(--radius-lg);padding:40px;color:#fff;box-shadow:var(--shadow-lg);
}
.panel-dark .eyebrow{background:rgba(255,255,255,.13);color:#ffc9d5;}
.panel-dark .section-title{color:#fff;}
.dark-cols{display:grid;grid-template-columns:1.25fr 1fr;gap:36px;align-items:center;margin-top:20px;}
.dark-text{font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.72);}
.dark-text + .dark-text{margin-top:14px;}
.quote-card{
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);padding:24px;
}
.quote-text{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.86);}
.quote-author{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:14px;letter-spacing:.6px;}
.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px;}
.mini-num{display:block;font-size:23px;font-weight:800;color:#fff;letter-spacing:-.5px;}
.mini-label{display:block;font-size:12.5px;color:rgba(255,255,255,.6);margin-top:3px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:18px;
 overflow:hidden;transition:.22s;box-shadow:var(--shadow-sm);
}
.faq-item:hover{border-color:#f8d3dc;}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 24px;
 font-size:15px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
 font-size:12px;color:var(--muted);transition:.24s;
}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--brand);}
.faq-body{
 padding:0 24px 20px;font-size:13.8px;color:var(--muted);line-height:1.88;
}

/* ===== 收口 ===== */
.cta-band{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:32px 36px;display:flex;align-items:center;justify-content:space-between;
 gap:26px;flex-wrap:wrap;box-shadow:var(--shadow-sm);
}
.cta-title{font-size:clamp(19px,2vw,24px);font-weight:800;letter-spacing:-.3px;}
.cta-text{font-size:14px;color:var(--muted);margin-top:9px;line-height:1.82;max-width:560px;}

/* ===== 页脚 ===== */
.site-footer{
 background:#fff;border-top:1px solid var(--line);
 margin-top:44px;padding:46px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-text{font-size:13.5px;color:var(--muted);line-height:1.88;max-width:430px;}
.footer-title{font-size:14px;font-weight:800;margin-bottom:14px;color:var(--ink);}
.footer-link{display:block;font-size:13.5px;color:var(--muted);margin-bottom:10px;transition:.2s;}
a.footer-link:hover{color:var(--brand-dark);}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 border-top:1px solid var(--line);margin-top:34px;padding-top:18px;
 font-size:12.5px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
 .app-sidebar{transform:translateX(-100%);box-shadow:var(--shadow-lg);}
 .app-sidebar.open{transform:translateX(0);}
 .app-body{margin-left:0;}
 .topbar{display:flex;}
 .nav-toggle{display:inline-flex;}
 .cols-3{grid-template-columns:repeat(2,1fr);}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .dark-cols{grid-template-columns:1fr;}
}
@media (max-width:768px){
 .wrap{padding:0 18px;}
 .section{padding:28px 0;}
 .topic-hero{padding:26px 22px;}
 .roadmap{grid-template-columns:1fr;gap:12px;}
 .cols-3{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:1fr;}
 .list-panel{padding:6px 18px;}
 .list-row{grid-template-columns:1fr;gap:10px;}
 .list-tags{justify-content:flex-start;}
 .list-time{justify-self:start;}
 .panel-dark{padding:28px 22px;}
 .cta-band{padding:26px 22px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
 .hero-title{font-size:24px;}
 .subscribe{border-radius:20px;padding:12px;flex-direction:column;align-items:stretch;}
 .subscribe input{padding:10px 14px;}
 .subscribe .btn{width:100%;}
 .stat-num{font-size:29px;}
 .mini-stats{grid-template-columns:1fr;}
 .topbar-tag{display:none;}
}

/* roulang page: category1 */
:root{
 --brand:#ff4d6d;
 --brand-dark:#e0325a;
 --brand-soft:#fff1f4;
 --accent:#12b5a6;
 --accent-soft:#e6f8f6;
 --ink:#171426;
 --ink-2:#3b3549;
 --muted:#6c6579;
 --line:#ece8f1;
 --bg:#fbfafc;
 --card:#ffffff;
 --radius:20px;
 --radius-lg:26px;
 --shadow-sm:0 2px 10px rgba(23,20,38,.05);
 --shadow:0 14px 36px -16px rgba(23,20,38,.2);
 --shadow-lg:0 28px 64px -28px rgba(23,20,38,.34);
}
/* roulang page: category1 */
*,*::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",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.7;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
/* ===== Brand ===== */
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
 width:38px;height:38px;border-radius:13px;flex:0 0 38px;
 background:linear-gradient(135deg,var(--brand),#ff8a5c);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 8px 18px -8px rgba(255,77,109,.9);
}
.brand-name{display:block;font-weight:800;font-size:16px;line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:1.6px;margin-top:2px;}
/* ===== App shell / sidebar ===== */
.sidebar{
 position:fixed;top:0;left:0;bottom:0;width:252px;z-index:80;
 background:#fff;border-right:1px solid var(--line);
 padding:22px 16px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-link{
 display:flex;align-items:center;gap:11px;
 padding:10px 13px;border-radius:13px;
 font-size:14.5px;color:var(--ink-2);transition:.22s;
}
.nav-link i{width:18px;text-align:center;color:var(--muted);font-size:14px;transition:.22s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link:hover i{color:var(--brand);}
.nav-link.active{background:var(--ink);color:#fff;box-shadow:0 10px 22px -14px rgba(23,20,38,.9);}
.nav-link.active i{color:#fff;}
.side-card{
 margin-top:auto;background:linear-gradient(160deg,#fff1f4,#fff 70%);
 border:1px solid var(--line);border-radius:var(--radius);padding:18px;
}
.side-card-title{margin:0 0 8px;font-size:14px;font-weight:800;}
.side-card-text{margin:0 0 14px;font-size:12.8px;color:var(--muted);line-height:1.8;}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:12px;flex:0 0 40px;
 background:var(--brand-soft);color:var(--brand);
 align-items:center;justify-content:center;font-size:16px;transition:.2s;
}
.nav-toggle:hover{background:var(--brand);color:#fff;}
.backdrop{position:fixed;inset:0;background:rgba(23,20,38,.44);opacity:0;pointer-events:none;transition:.28s;z-index:70;}
.backdrop.open{opacity:1;pointer-events:auto;}
.app-body{margin-left:252px;display:flex;flex-direction:column;min-height:100vh;}
main{flex:1;}
/* ===== Topbar ===== */
.topbar{
 position:sticky;top:0;z-index:60;
 background:rgba(251,250,252,.9);backdrop-filter:blur(12px);
 border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:14px;padding:13px 28px;max-width:1180px;margin:0 auto;width:100%;}
.topbar-brand{display:none;font-weight:800;font-size:15.5px;letter-spacing:.2px;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);}
.crumb a{transition:.2s;}
.crumb a:hover{color:var(--brand-dark);}
.crumb i{font-size:10px;color:#c9c3d4;}
.crumb span{color:var(--ink-2);font-weight:600;}
.search{
 display:flex;align-items:center;gap:9px;flex:1 1 auto;max-width:340px;margin-left:auto;
 background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;transition:.22s;
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,77,109,.12);}
.search i{color:var(--muted);font-size:13px;}
.search input{border:0;outline:none;background:none;width:100%;font-size:13.5px;}
.search input::placeholder{color:#a8a1b4;}
.top-cta{padding:9px 18px;font-size:13.5px;}
/* ===== Layout ===== */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px;}
.section{padding:34px 0;}
.hero-page{padding:30px 0 6px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:24px;align-items:stretch;}
.split{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:26px;align-items:start;}
.cols-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
/* ===== Type ===== */
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:600;color:var(--brand-dark);
 background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.hero-title{
 font-size:clamp(26px,3.1vw,40px);line-height:1.26;font-weight:800;
 letter-spacing:-.6px;margin:18px 0 0;
}
.hero-lead{margin:18px 0 0;color:var(--ink-2);font-size:15px;line-height:1.9;max-width:640px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:26px;flex-wrap:wrap;}
.section-head .head-main{flex:1 1 420px;min-width:0;}
.section-title{font-size:clamp(21px,2.4vw,30px);font-weight:800;line-height:1.32;letter-spacing:-.3px;color:var(--ink);margin:12px 0 0;}
.section-desc{color:var(--muted);font-size:14px;line-height:1.85;max-width:520px;flex:1 1 300px;margin:0;}
.section-note{color:var(--muted);font-size:14px;line-height:1.85;max-width:720px;margin:12px 0 0;}
/* ===== Buttons ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:600;
 border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(255,77,109,1);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(255,77,109,1);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.24);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn-lg{padding:13px 27px;font-size:15px;}
.btn-block{width:100%;}
/* ===== Tags ===== */
.tag{
 display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
 background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
 transition:.2s;
}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.hero-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px;}
/* ===== Stage panel (hero right) ===== */
.stage{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(155deg,#1b1628,#332a4d 62%,#3f3160);
 color:#fff;padding:26px;box-shadow:var(--shadow-lg);
 display:flex;flex-direction:column;gap:16px;
}
.stage::after{
 content:"";position:absolute;right:-90px;bottom:-120px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle at 40% 40%,rgba(255,77,109,.42),transparent 66%);pointer-events:none;
}
.stage-head{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1;}
.stage-label{font-size:12.5px;color:rgba(255,255,255,.68);letter-spacing:.4px;}
.stage-badge{background:rgba(255,255,255,.14);border-radius:999px;padding:5px 12px;font-size:12px;color:#fff;}
.stage-figure{
 position:relative;overflow:hidden;border-radius:var(--radius);min-height:150px;
 background:linear-gradient(135deg,#ff8a5c,#ff4d6d 55%,#12b5a6);
 display:flex;align-items:flex-end;padding:18px;z-index:1;
}
.stage-figure::before{
 content:"";position:absolute;left:16px;top:16px;width:54px;height:54px;border-radius:50%;
 background:rgba(255,255,255,.34);filter:blur(2px);
}
.stage-figure span{position:relative;font-weight:700;font-size:15px;color:#fff;text-shadow:0 2px 10px rgba(23,20,38,.35);}
.stage-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative;z-index:1;}
.stage-stats div{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:12px;}
.stage-stats strong{display:block;font-size:20px;font-weight:800;line-height:1.2;}
.stage-stats span{font-size:11.5px;color:rgba(255,255,255,.62);}
.stage-list{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:rgba(255,255,255,.82);position:relative;z-index:1;}
.stage-list li{display:flex;gap:9px;align-items:flex-start;}
.stage-list i{color:#ff9db1;margin-top:5px;font-size:11px;}
/* ===== Panels / cards ===== */
.panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-sm);transition:.25s;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.feature-icon{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 font-size:17px;background:var(--brand-soft);color:var(--brand);margin-bottom:16px;transition:.25s;
}
.cols-3 .panel:nth-child(3n+2) .feature-icon{background:var(--accent-soft);color:var(--accent);}
.cols-3 .panel:nth-child(3n+3) .feature-icon{background:#eef0ff;color:#6165e8;}
.panel:hover .feature-icon{transform:scale(1.06);}
.feature-title{margin:0 0 9px;font-size:16.5px;font-weight:700;}
.feature-text{margin:0;font-size:14px;color:var(--muted);line-height:1.85;}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
/* ===== Shot list ===== */
.shot-list{display:flex;flex-direction:column;gap:12px;}
.shot-item{
 display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow-sm);transition:.24s;
}
.shot-item:hover{transform:translateX(4px);border-color:rgba(255,77,109,.42);box-shadow:var(--shadow);}
.shot-thumb{width:78px;height:60px;flex:0 0 78px;border-radius:14px;position:relative;overflow:hidden;}
.shot-thumb::after{content:"";position:absolute;right:8px;bottom:8px;width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.5);}
.thumb-a{background:linear-gradient(135deg,#ffd9b0,#ff9a62);}
.thumb-b{background:linear-gradient(135deg,#cfe3ff,#7f9cff);}
.thumb-c{background:linear-gradient(135deg,#ffc9d6,#ff6b8b);}
.thumb-d{background:linear-gradient(135deg,#c6efe7,#37b8a6);}
.thumb-e{background:linear-gradient(135deg,#ded6ff,#8f83e8);}
.shot-main{flex:1;min-width:0;}
.shot-title{margin:0 0 4px;font-size:15.5px;font-weight:700;}
.shot-text{margin:0;font-size:13.5px;color:var(--muted);line-height:1.8;}
.shot-flag{flex:0 0 auto;}
/* ===== Slot grid ===== */
.slot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.slot-card{
 position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 22px 22px 26px;box-shadow:var(--shadow-sm);transition:.24s;
}
.slot-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);}
.slot-card:nth-child(2)::before{background:#ffab2e;}
.slot-card:nth-child(3)::before{background:var(--accent);}
.slot-card:nth-child(4)::before{background:#6165e8;}
.slot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.slot-time{margin:0;font-size:12.5px;font-weight:700;color:var(--brand-dark);letter-spacing:.5px;}
.slot-card:nth-child(2) .slot-time{color:#c98212;}
.slot-card:nth-child(3) .slot-time{color:#0d8f83;}
.slot-card:nth-child(4) .slot-time{color:#4b50c9;}
.slot-name{margin:8px 0;font-size:16px;font-weight:700;}
.slot-text{margin:0;font-size:13.5px;color:var(--muted);line-height:1.85;}
/* ===== Stat bar ===== */
.stat-bar{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 28px;box-shadow:var(--shadow-sm);
}
.stat-item{padding-left:16px;border-left:3px solid var(--brand-soft);}
.stat-item:nth-child(2){border-left-color:var(--accent-soft);}
.stat-item:nth-child(3){border-left-color:#eef0ff;}
.stat-item:nth-child(4){border-left-color:#fff0dd;}
.stat-num{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.15;color:var(--brand);}
.stat-item:nth-child(2) .stat-num{color:var(--accent);}
.stat-item:nth-child(3) .stat-num{color:#6165e8;}
.stat-item:nth-child(4) .stat-num{color:#c98212;}
.stat-label{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;}
/* ===== Scene cards ===== */
.scene-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;box-shadow:var(--shadow-sm);transition:.24s;
}
.scene-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.scene-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.scene-head h3{margin:0;font-size:17px;font-weight:700;}
.scene-head i{
 width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:15px;flex:0 0 40px;
}
.scene-card:nth-child(2) .scene-head i{background:var(--accent-soft);color:var(--accent);}
.scene-list{display:flex;flex-direction:column;gap:11px;}
.scene-list li{display:flex;gap:10px;font-size:13.8px;color:var(--ink-2);line-height:1.8;}
.scene-list i{color:var(--accent);margin-top:6px;font-size:11px;flex:0 0 auto;}
/* ===== Tips ===== */
.tip-intro{background:var(--brand-soft);border-radius:var(--radius-lg);padding:24px;}
.tip-intro .section-title{font-size:clamp(19px,2vw,24px);}
.tip-intro p{margin:14px 0 0;font-size:13.8px;color:var(--ink-2);line-height:1.9;}
.tip-list{display:flex;flex-direction:column;gap:14px;}
.tip-list li{
 display:flex;gap:16px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);transition:.24s;
}
.tip-list li:hover{border-color:rgba(255,77,109,.36);box-shadow:var(--shadow);}
.tip-num{
 width:32px;height:32px;flex:0 0 32px;border-radius:11px;background:var(--ink);color:#fff;
 display:grid;place-items:center;font-size:13.5px;font-weight:800;
}
.tip-body h3{margin:0 0 5px;font-size:15.5px;font-weight:700;}
.tip-body p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.85;}
/* ===== Channels ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.channel-card{
 display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:.24s;
}
.channel-card:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow);}
.channel-card i.channel-icon{
 width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:16px;
}
.channel-card:nth-child(2) i.channel-icon{background:var(--accent-soft);color:var(--accent);}
.channel-card:nth-child(3) i.channel-icon{background:#eef0ff;color:#6165e8;}
.channel-card h3{margin:0;font-size:16.5px;font-weight:700;}
.channel-card p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.85;}
.channel-more{font-size:13px;font-weight:600;color:var(--brand-dark);margin-top:4px;}
/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-sm);transition:.24s;
}
.faq-item:hover{border-color:rgba(255,77,109,.34);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 cursor:pointer;font-weight:700;font-size:15.5px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--brand);transition:.26s;font-size:14px;}
.faq-item[open] summary i{transform:rotate(135deg);}
.faq-item p{margin:12px 0 0;font-size:14px;color:var(--muted);line-height:1.9;}
/* ===== Subscribe ===== */
.sub-panel{
 position:relative;overflow:hidden;
 background:linear-gradient(150deg,#1b1628,#3a2f57 70%,#4a3a6b);
 color:#fff;border-radius:var(--radius-lg);padding:38px;
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:28px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.sub-panel::after{
 content:"";position:absolute;left:-80px;top:-90px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle at 45% 45%,rgba(18,181,166,.34),transparent 66%);pointer-events:none;
}
.sub-panel h2{margin:12px 0 0;font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.35;position:relative;z-index:1;}
.sub-panel p{margin:14px 0 0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.78);position:relative;z-index:1;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1;}
.sub-input{
 flex:1 1 200px;border-radius:999px;border:1px solid rgba(255,255,255,.24);
 background:rgba(255,255,255,.1);padding:12px 18px;color:#fff;font-size:14px;outline:none;transition:.22s;
}
.sub-input::placeholder{color:rgba(255,255,255,.52);}
.sub-input:focus{border-color:#ff9db1;background:rgba(255,255,255,.17);}
.form-note{margin:12px 0 0;font-size:12.6px;color:rgba(255,255,255,.6);position:relative;z-index:1;}
.form-msg{display:none;margin:10px 0 0;font-size:13.5px;color:#8af0e2;position:relative;z-index:1;}
.form-msg.show{display:block;}
/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:#fff;margin-top:26px;padding:44px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-text{margin:0;font-size:13.5px;color:var(--muted);line-height:1.85;max-width:430px;}
.footer-title{margin:0 0 12px;font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--ink);}
.footer-link{display:block;font-size:13.5px;color:var(--muted);margin-bottom:9px;transition:.2s;}
.footer-link:hover{color:var(--brand-dark);}
.footer-bottom{
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 border-top:1px solid var(--line);margin-top:30px;padding-top:18px;
 font-size:12.5px;color:var(--muted);
}
/* ===== Responsive ===== */
@media (max-width:1080px){
 .sidebar{transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-lg);}
 .sidebar.open{transform:translateX(0);}
 .app-body{margin-left:0;}
 .nav-toggle{display:inline-flex;}
 .topbar-brand{display:block;}
 .crumb{display:none;}
 .slot-grid{grid-template-columns:repeat(2,1fr);}
 .stat-bar{grid-template-columns:repeat(2,1fr);}
 .sub-panel{grid-template-columns:1fr;}
}
@media (max-width:860px){
 .hero-grid{grid-template-columns:1fr;}
 .cols-2,.cols-3,.channel-grid,.footer-grid{grid-template-columns:1fr;}
 .split{grid-template-columns:1fr;}
 .search{display:none;}
 .top-cta{margin-left:auto;}
 .stage{order:2;}
}
@media (max-width:640px){
 .wrap{padding:0 18px;}
 .topbar-inner{padding:12px 18px;gap:10px;}
 .section{padding:26px 0;}
 .shot-item{gap:14px;padding:14px 16px;align-items:flex-start;}
 .shot-thumb{width:60px;height:52px;flex:0 0 60px;}
 .shot-flag{display:none;}
 .stat-bar{padding:22px 20px;}
 .sub-panel{padding:26px 22px;}
 .hero-actions .btn{width:100%;}
}
@media (max-width:520px){
 .slot-grid,.stat-bar{grid-template-columns:1fr;}
 .hero-title{font-size:25px;}
 .stage{padding:20px;}
 .stage-stats{grid-template-columns:1fr 1fr;}
 .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
  --brand:#ff4d6d;
  --brand-dark:#e0325a;
  --brand-soft:#fff1f4;
  --accent:#12b5a6;
  --accent-soft:#e6f8f6;
  --ink:#171426;
  --ink-2:#3b3549;
  --muted:#6c6579;
  --line:#ece8f1;
  --bg:#fbfafc;
  --card:#ffffff;
  --radius:20px;
  --radius-lg:26px;
  --radius-sm:14px;
  --shadow-sm:0 2px 10px rgba(23,20,38,.05);
  --shadow:0 14px 36px -16px rgba(23,20,38,.2);
  --shadow-lg:0 28px 64px -28px rgba(23,20,38,.34);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
*,*::before,*::after{box-sizing:border-box;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
.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;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}

/* ===== 侧栏 App Shell ===== */
.sidebar{
  position:fixed;top:0;left:0;width:252px;height:100vh;z-index:60;
  background:#fff;border-right:1px solid var(--line);
  padding:22px 16px 24px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.sidebar-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 18px -8px rgba(255,77,109,.9);
}
.brand-name{display:block;font-weight:800;font-size:16px;line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:1.6px;margin-top:2px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:13px;
  background:var(--brand-soft);color:var(--brand);
  place-items:center;font-size:16px;transition:.2s;
}
.nav-toggle:hover{background:var(--brand);color:#fff;}
.nav-list{display:flex;flex-direction:column;gap:5px;}
.nav-link{
  display:flex;align-items:center;gap:11px;
  padding:10px 13px;border-radius:13px;
  font-size:14.5px;color:var(--ink-2);transition:.22s;
}
.nav-link i{width:18px;text-align:center;color:var(--muted);font-size:14px;transition:.22s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link:hover i{color:var(--brand);}
.nav-link.active{background:var(--ink);color:#fff;box-shadow:0 10px 22px -14px rgba(23,20,38,.9);}
.nav-link.active i{color:#fff;}
.sidebar-note{margin-top:auto;background:var(--brand-soft);border-radius:var(--radius-sm);padding:16px;}
.sn-title{font-weight:700;font-size:14px;margin-bottom:6px;}
.sn-text{font-size:12.5px;color:var(--ink-2);line-height:1.7;margin-bottom:12px;}

.app-body{margin-left:252px;display:flex;flex-direction:column;min-height:100vh;}
main{flex:1 1 auto;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 30px;}

/* ===== 通用板块 ===== */
.section{padding:30px 0;}
.section:first-child{padding-top:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:26px;margin-bottom:24px;flex-wrap:wrap;
}
.section-head .head-main{flex:1 1 420px;min-width:0;}
.section-title{
  font-size:clamp(21px,2.3vw,29px);font-weight:800;line-height:1.32;
  letter-spacing:-.3px;color:var(--ink);
}
.section-desc{color:var(--muted);font-size:14px;line-height:1.85;margin-top:10px;max-width:660px;}

/* ===== 按钮 / 标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(255,77,109,1);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(255,77,109,1);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-lg{padding:13px 27px;font-size:15px;}
.btn-sm{padding:8px 16px;font-size:13px;}
.btn-block{width:100%;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
}

/* ===== Hero ===== */
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:22px;align-items:stretch;}
.hero-copy{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow);
}
.hero-copy::after{
  content:"";position:absolute;right:-90px;top:-110px;width:290px;height:290px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(255,77,109,.18),transparent 70%);pointer-events:none;
}
.hero-title{
  font-size:clamp(25px,3vw,38px);line-height:1.28;font-weight:800;
  letter-spacing:-.6px;margin-top:18px;position:relative;z-index:1;
}
.hero-lead{margin-top:18px;color:var(--ink-2);font-size:15px;line-height:1.9;max-width:640px;position:relative;z-index:1;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1;}
.hero-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:1;}
.hero-side{display:flex;}

.slot-picker{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:11px;width:100%;
}
.sp-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px;}
.sp-title{font-size:15.5px;font-weight:800;}
.sp-sub{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.6;}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;
  color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:4px 11px;white-space:nowrap;
}
.badge-live i{font-size:7px;}
.slot-row{
  width:100%;text-align:left;display:flex;align-items:center;gap:12px;
  padding:13px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;transition:.22s;
}
.slot-row:hover{border-color:rgba(255,77,109,.45);background:#fffafb;}
.slot-row.is-on{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 10px 24px -18px rgba(255,77,109,1);}
.slot-time{font-size:14.5px;font-weight:800;color:var(--brand-dark);min-width:52px;letter-spacing:.4px;}
.slot-info{flex:1;min-width:0;}
.slot-info b{display:block;font-size:14px;font-weight:700;line-height:1.4;}
.slot-info em{display:block;font-style:normal;font-size:12px;color:var(--muted);line-height:1.6;margin-top:2px;}
.slot-num{font-size:11.5px;color:var(--muted);background:#f5f2f8;border-radius:999px;padding:3px 9px;white-space:nowrap;}
.sp-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px solid var(--line);padding-top:16px;margin-top:6px;}
.sp-stat b{display:block;font-size:16px;font-weight:800;color:var(--ink);}
.sp-stat span{display:block;font-size:11.5px;color:var(--muted);margin-top:2px;}

/* ===== 网格与卡片 ===== */
.cols-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.cols-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:.25s;
}
.cols-4 .panel{padding:22px;}
.feature-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-size:17px;background:var(--brand-soft);color:var(--brand);margin-bottom:16px;transition:.25s;
}
.cols-4 .panel:nth-child(2) .feature-icon{background:var(--accent-soft);color:var(--accent);}
.cols-4 .panel:nth-child(3) .feature-icon{background:#eef0ff;color:#6165e8;}
.cols-4 .panel:nth-child(4) .feature-icon{background:#fff6e6;color:#e0912b;}
.panel:hover .feature-icon{transform:scale(1.06);}
.feature-title{font-size:16px;font-weight:700;margin-bottom:9px;}
.feature-text{font-size:13.8px;color:var(--muted);line-height:1.85;}

/* ===== 时段时间线 ===== */
.slot-timeline{display:flex;flex-direction:column;gap:14px;}
.tl-item{
  display:grid;grid-template-columns:100px minmax(0,1fr);gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:.25s;
}
.tl-item:hover{border-color:rgba(255,77,109,.38);box-shadow:var(--shadow);transform:translateX(3px);}
.tl-time{font-size:19px;font-weight:800;color:var(--brand-dark);letter-spacing:.5px;}
.tl-body h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.tl-body p{color:var(--muted);font-size:14px;line-height:1.85;}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}

/* ===== 模板卡 ===== */
.tpl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--shadow-sm);transition:.26s;
}
.tpl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,77,109,.32);}
.tpl-num{font-size:12.5px;font-weight:800;color:var(--brand);letter-spacing:1.6px;}
.tpl-title{font-size:16.5px;font-weight:700;}
.tpl-text{color:var(--muted);font-size:13.8px;line-height:1.85;flex:1;}
.tpl-card .tag{align-self:flex-start;}

/* ===== 题材标签 ===== */
.tag-panel{padding:30px 28px;}
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);
  transition:.22s;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);transform:translateY(-2px);}
.chip small{color:var(--muted);font-size:11.5px;}

/* ===== 范例列表 ===== */
.note-list{display:grid;gap:14px;}
.note-item{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-sm);transition:.24s;
}
.note-item:hover{border-color:rgba(255,77,109,.35);box-shadow:var(--shadow);}
.note-when{border-right:1px dashed var(--line);padding-right:20px;}
.note-time{display:block;font-size:17px;font-weight:800;color:var(--brand-dark);letter-spacing:.4px;}
.note-slot{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;}
.note-title{font-size:16.5px;font-weight:700;margin-bottom:9px;}
.note-text{color:var(--muted);font-size:13.8px;line-height:1.85;}
.note-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}

/* ===== 数据条 ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);transition:.25s;
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.stat-item b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--ink);letter-spacing:-.5px;}
.stat-item span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ===== 评价 ===== */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;transition:.25s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote-text{font-size:14.2px;line-height:1.9;color:var(--ink-2);}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-weight:800;font-size:15px;flex:0 0 38px;
}
.who-name{display:block;font-size:14px;font-weight:700;}
.who-role{display:block;font-size:12px;color:var(--muted);margin-top:2px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;
  padding:0 22px;transition:.24s;box-shadow:var(--shadow-sm);
}
.faq-item[open]{border-color:rgba(255,77,109,.42);box-shadow:var(--shadow);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 0;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:.2s;
}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:19px;font-weight:600;color:var(--brand);
  line-height:1;transition:.2s;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"–";}
.faq-body{padding:0 0 18px;color:var(--muted);font-size:14px;line-height:1.9;max-width:860px;}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#1a1526,#3a2a4e 62%,#4a2c44);
  border-radius:var(--radius-lg);padding:40px;
  color:#fff;display:grid;grid-template-columns:1.25fr 1fr;gap:30px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(255,77,109,.34),transparent 70%);pointer-events:none;
}
.cta-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#fff;background:rgba(255,255,255,.14);border-radius:999px;padding:6px 14px;
}
.cta-title{font-size:clamp(20px,2.4vw,27px);font-weight:800;line-height:1.35;margin-top:16px;letter-spacing:-.3px;}
.cta-text{margin-top:14px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.74);max-width:520px;}
.cta-form{position:relative;z-index:1;display:flex;flex-direction:column;gap:11px;}
.cta-input{
  width:100%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:13px 20px;color:#fff;font-size:14px;transition:.22s;
}
.cta-input::placeholder{color:rgba(255,255,255,.5);}
.cta-input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.16);}
.cta-hint{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;}

/* ===== 页脚 ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.1fr;gap:32px;padding:44px 0 30px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-text{color:var(--muted);font-size:13.5px;line-height:1.9;max-width:420px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.6px;margin-bottom:14px;color:var(--ink);}
.footer-link{display:block;color:var(--muted);font-size:13.5px;padding:5px 0;transition:.2s;}
a.footer-link:hover{color:var(--brand-dark);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:18px 0 26px;color:var(--muted);font-size:12.5px;
}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;}
  .cols-4{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1023px){
  .sidebar{
    position:sticky;top:0;width:100%;height:auto;flex-direction:row;align-items:center;
    justify-content:space-between;padding:10px 16px;border-right:0;border-bottom:1px solid var(--line);
    overflow:visible;gap:0;
  }
  .sidebar-top{width:100%;justify-content:space-between;}
  .sidebar-note{display:none;}
  .nav-toggle{display:grid;}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;gap:4px;padding:12px 14px 18px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav-list.open{display:flex;}
  .app-body{margin-left:0;}
  .wrap{padding:0 22px;}
}
@media (max-width:760px){
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:20px;}
  .tl-time{font-size:17px;}
  .note-item{grid-template-columns:1fr;gap:14px;padding:22px;}
  .note-when{border-right:0;border-bottom:1px dashed var(--line);padding:0 0 12px;}
  .cta-band{grid-template-columns:1fr;padding:28px 24px;}
  .hero-copy{padding:28px 24px;}
  .section-head{align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;padding:34px 0 24px;}
  .section{padding:24px 0;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .hero-title{font-size:23px;letter-spacing:-.3px;}
  .section-title{font-size:20px;}
  .hero-actions .btn{width:100%;}
  .stat-strip{grid-template-columns:1fr;}
  .sp-foot{grid-template-columns:1fr 1fr;}
  .panel,.tpl-card,.quote-card{padding:20px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}