/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#232a52;
  --ink-line:#333a66;
  --gold:#ffb400;
  --gold-deep:#e09b00;
  --gold-soft:#ffd166;
  --bg:#f6f7fc;
  --bg-alt:#eef0f9;
  --surface:#ffffff;
  --text:#1c2038;
  --muted:#6b7191;
  --line:#e7e9f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 12px 32px rgba(26,31,61,.11);
  --shadow-gold:0 12px 26px rgba(255,180,0,.30);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(10,14,35,.32);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:70px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));
  color:#241a00;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-text em{font-style:normal;color:#9aa1c6;font-size:11.5px;letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:9px;font-size:14.5px;color:#c6cbe3;
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.active{color:var(--gold);background:rgba(255,180,0,.12)}
.nav-links a.nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:9px;font-weight:700;color:#241a00;
  background:linear-gradient(135deg,#ffc233,#ffa000);
  box-shadow:0 8px 18px rgba(255,180,0,.28);
  transition:transform .2s,box-shadow .2s;
}
.nav-links a.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,180,0,.4);color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#e3e6f5;transition:.2s}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
  cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;box-shadow:var(--shadow-gold)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.55)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);box-shadow:var(--shadow-sm)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#131736;color:#fff}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.jpg) center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(17,21,48,.97) 0%,rgba(26,31,61,.88) 52%,rgba(26,31,61,.58) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;
  padding:78px 0 86px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:99px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-soft);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.hero h1{
  font-size:clamp(28px,3.9vw,44px);
  line-height:1.24;font-weight:800;letter-spacing:-.01em;
  color:#fff;
}
.hero h1 span{color:var(--gold)}
.hero-lead{margin-top:22px;font-size:16px;line-height:1.95;color:#c3c8e2;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-points span{
  padding:6px 14px;border-radius:8px;font-size:13px;color:#aeb4d4;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
}
.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.17);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  backdrop-filter:blur(8px);
  box-shadow:0 22px 50px rgba(5,8,25,.42);
}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-top h2{font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em}
.panel-top em{font-style:normal;font-size:12px;color:var(--gold-soft);border:1px solid rgba(255,180,0,.4);padding:3px 10px;border-radius:99px}
.bar-label{display:flex;justify-content:space-between;font-size:13px;color:#b6bcd9;margin:20px 0 9px}
.bar-label b{color:var(--gold);font-weight:800}
.bar{height:10px;border-radius:99px;background:rgba(255,255,255,.15);overflow:hidden}
.bar-fill{height:100%;width:68%;border-radius:99px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft));box-shadow:0 0 14px rgba(255,180,0,.55)}
.reward-list{margin-top:22px;display:grid;gap:10px}
.reward-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:#c9cde4;
}
.reward-list li b{color:#fff;font-weight:700}
.reward-list li i{font-style:normal;color:var(--gold-soft);font-size:12.5px}
.panel-btn{width:100%;margin-top:20px}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--ink);color:#fff}
.sec-head{max-width:730px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section.dark .eyebrow{color:var(--gold)}
.sec-head h2{
  font-size:clamp(23px,2.9vw,33px);line-height:1.32;font-weight:800;
  color:var(--ink);letter-spacing:-.01em;
}
.section.dark .sec-head h2{color:#fff}
.sec-head p{margin-top:15px;font-size:15.5px;line-height:1.95;color:var(--muted)}
.section.dark .sec-head p{color:#b3b9d6}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .26s,box-shadow .26s,border-color .26s;
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dfe3f2}
.thumb{aspect-ratio:16/9;overflow:hidden;background:#e7eaf6}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .thumb img{transform:scale(1.06)}
.card-body{padding:22px}
.card-body h3{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.45}
.card-body p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted)}
.card-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:13.5px;font-weight:700;color:var(--gold-deep);transition:gap .2s;
}
.card:hover .card-more{gap:11px}
.tag-line{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-block;padding:4px 11px;border-radius:99px;font-size:12px;font-weight:600;
  background:rgba(255,180,0,.13);color:#a97a00;border:1px solid rgba(255,180,0,.3);
}
.tag.plain{background:#f0f2fa;color:#5f678d;border-color:#e2e5f3}

/* ---------- pain list ---------- */
.pain-item{
  background:var(--surface);border-radius:var(--radius);
  border-left:4px solid var(--gold);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s;
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.pain-item h3{font-size:16.5px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}
.pain-item h3 span{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,180,0,.16);color:#a97a00;font-size:13px;font-weight:800;
}
.pain-item p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:#40466b}
.check-list li i{
  flex:0 0 auto;width:22px;height:22px;margin-top:3px;border-radius:50%;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;font-style:normal;
}
.check-list li b{color:var(--ink)}

/* ---------- steps ---------- */
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;font-weight:800;font-size:16px;
  background:rgba(255,180,0,.15);color:#a97a00;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:800;color:var(--ink)}
.step p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- scenario ---------- */
.scene{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);
}
.scene-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.scene-head span{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;
}
.scene-head span.good{background:rgba(46,168,116,.14);color:#1f8f61}
.scene-head span.bad{background:rgba(214,72,72,.12);color:#c14545}
.scene-head h3{font-size:17px;font-weight:800;color:var(--ink)}
.scene p{font-size:14.8px;line-height:1.9;color:var(--muted)}
.scene .scene-note{
  margin-top:16px;padding:12px 15px;border-radius:10px;font-size:13.6px;line-height:1.8;
  background:#f4f6fd;color:#525a80;border:1px dashed #dde1f0;
}

/* ---------- stats ---------- */
.stats{
  background:linear-gradient(135deg,#1a1f3d,#2a3160);
  border-radius:var(--radius-lg);padding:42px 30px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  box-shadow:0 22px 46px rgba(26,31,61,.28);
}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(26px,3.2vw,38px);font-weight:800;color:var(--gold);letter-spacing:-.02em}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:#b7bdd9;letter-spacing:.03em}

/* ---------- topics ---------- */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px}
.topic{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:99px;font-size:14px;font-weight:600;
  background:var(--surface);border:1px solid var(--line);color:#3c4266;
  box-shadow:var(--shadow-sm);transition:transform .2s,border-color .2s,color .2s,box-shadow .2s;
}
.topic:hover{transform:translateY(-2px);border-color:rgba(255,180,0,.55);color:var(--gold-deep);box-shadow:var(--shadow-md)}
.topic b{color:var(--gold-deep);font-weight:800}

/* ---------- rank ---------- */
.rank-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px 26px 14px;box-shadow:var(--shadow-sm)}
.rank-row{
  display:grid;grid-template-columns:42px minmax(0,1.1fr) minmax(0,1.6fr) 52px;
  align-items:center;gap:16px;padding:17px 0;border-bottom:1px dashed var(--line);
}
.rank-row:last-child{border-bottom:0}
.rank-no{font-size:15px;font-weight:800;color:#b3b9d4}
.rank-row:nth-child(1) .rank-no,.rank-row:nth-child(2) .rank-no,.rank-row:nth-child(3) .rank-no{color:var(--gold-deep)}
.rank-name{font-size:15px;font-weight:700;color:var(--ink)}
.rank-bar{height:8px;border-radius:99px;background:#eef0f8;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft))}
.rank-val{font-size:15px;font-weight:800;color:var(--ink);text-align:right}

/* ---------- quotes ---------- */
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .24s,box-shadow .24s;
  display:flex;flex-direction:column;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.quote p{font-size:14.8px;line-height:1.9;color:#454b70;flex:1}
.quote footer{margin-top:18px;display:flex;align-items:center;gap:11px}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#252b52,#3a4378);color:var(--gold-soft);
  font-size:13px;font-weight:800;
}
.quote footer span{font-size:13.5px;color:#5a6188;font-weight:600}
.quote footer em{font-style:normal;display:block;font-size:12px;color:#9aa1c0;font-weight:500;margin-top:2px}

/* ---------- promise ---------- */
.promise{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s;
}
.promise:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.promise .ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
  background:rgba(255,180,0,.14);color:var(--gold-deep);
}
.promise h3{font-size:16px;font-weight:800;color:var(--ink)}
.promise p{margin-top:8px;font-size:14.2px;line-height:1.85;color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.tl-item{position:relative;padding-top:52px}
.tl-item::before{
  content:"";position:absolute;top:19px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(255,180,0,.55),rgba(255,180,0,.12));
}
.tl-item:last-child::before{background:linear-gradient(90deg,rgba(255,180,0,.55),rgba(255,180,0,0))}
.tl-dot{
  position:absolute;top:8px;left:0;width:24px;height:24px;border-radius:50%;
  background:var(--surface);border:3px solid var(--gold);
  box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.tl-item h3{font-size:16px;font-weight:800;color:var(--ink)}
.tl-item p{margin-top:9px;font-size:14.2px;line-height:1.85;color:var(--muted)}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:36px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .24s,box-shadow .24s,border-color .24s;
  overflow:hidden;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#dde1f1}
.news-link{display:block;padding:22px 24px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.news-cat{
  padding:3px 11px;border-radius:99px;font-size:12px;font-weight:700;
  background:rgba(255,180,0,.14);color:#a97a00;border:1px solid rgba(255,180,0,.32);
}
.news-time{font-size:12.5px;color:#9aa1c0}
.news-title{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.55}
.news-desc{margin-top:9px;font-size:14.2px;line-height:1.85;color:var(--muted)}
.news-empty{
  padding:44px 26px;text-align:center;border-radius:var(--radius);
  background:var(--surface);border:1px dashed #d8dcee;color:var(--muted);font-size:14.5px;
}
.side-card{
  background:linear-gradient(160deg,#1a1f3d,#2b3265);
  border-radius:var(--radius-lg);padding:28px 24px;color:#fff;
  box-shadow:0 18px 40px rgba(26,31,61,.26);
}
.side-card h3{font-size:17px;font-weight:800}
.side-card p{margin-top:12px;font-size:14px;line-height:1.9;color:#b9bfdb}
.side-list{margin-top:20px;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;font-size:13.8px;line-height:1.75;color:#ccd1e8}
.side-list li i{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px;
}
.side-card .btn{width:100%;margin-top:22px}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#1a1f3d 0%,#2b3265 58%,#3a3f7a 100%);
  border-radius:var(--radius-lg);padding:52px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 24px 52px rgba(26,31,61,.30);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.9;color:#bcc2de;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#a9afcd;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9aa1c2;max-width:400px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#a0a6c6;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#838aab;
}
.footer-bottom span{letter-spacing:.02em}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:62px 0 70px}
  .hero-lead{max-width:100%}
  .split{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .timeline .tl-item::before{display:none}
  .news-layout{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--ink);padding:16px 22px 22px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 32px rgba(10,14,35,.42);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:15px}
  .nav-links a.nav-cta{margin-left:0;text-align:center;margin-top:6px}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .rank-row{grid-template-columns:36px minmax(0,1fr) 48px;gap:12px}
  .rank-bar{display:none}
  .cta-band{padding:34px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .logo-text strong{font-size:15.5px}
  .logo-text em{font-size:10.5px;letter-spacing:.16em}
  .stats{grid-template-columns:1fr;padding:32px 22px}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .news-link{padding:18px 18px}
  .rank-list{padding:6px 16px 10px}
  .btn{padding:12px 20px;font-size:14.5px}
  .hero-actions .btn{width:100%}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-line:#333a66;
 --gold:#ffb400;
 --gold-deep:#e09b00;
 --gold-soft:#ffd166;
 --bg:#f6f7fc;
 --bg-alt:#eef0f9;
 --surface:#ffffff;
 --text:#1c2038;
 --muted:#6b7191;
 --line:#e7e9f3;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 12px 32px rgba(26,31,61,.11);
 --shadow-gold:0 12px 26px rgba(255,180,0,.30);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
ul,ol{margin:0;padding:0}
li{list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,14,35,.32);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:70px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
 width:38px;height:38px;border-radius:10px;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 color:#241a00;font-weight:800;font-size:18px;
 box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-text em{font-style:normal;color:#9aa1c6;font-size:11.5px;letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:9px 14px;border-radius:9px;font-size:14.5px;color:#c6cbe3;
 transition:background .2s,color .2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.active{color:var(--gold);background:rgba(255,180,0,.12)}
.nav-links a.nav-cta{
 margin-left:10px;padding:10px 20px;border-radius:9px;font-weight:700;color:#241a00;
 background:linear-gradient(135deg,#ffc233,#ffa000);
 box-shadow:0 8px 18px rgba(255,180,0,.28);
 transition:transform .2s,box-shadow .2s;
}
.nav-links a.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,180,0,.4);color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000)}
.nav-toggle{
 display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
 border:1px solid rgba(255,255,255,.18);flex-direction:column;
 align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#e3e6f5;transition:.2s}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:10px;font-size:15px;font-weight:700;
 border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
 cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;box-shadow:var(--shadow-gold)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.55)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);box-shadow:var(--shadow-sm)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--ink);color:#fff}
.section.dark .sec-head h2{color:#fff}
.section.dark .sec-head p{color:#b3b9d6}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
 color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section.dark .eyebrow{color:var(--gold)}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--ink);letter-spacing:-.01em}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:#131736;color:#fff}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
 opacity:.32;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(17,21,48,.97) 0%,rgba(26,31,61,.88) 55%,rgba(26,31,61,.62) 100%);
}
.article-hero-inner{position:relative;z-index:2;padding:44px 0 62px;max-width:880px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#98a0c5;margin-bottom:20px}
.breadcrumb a{color:#c6cbe3;transition:color .2s}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span{color:#6c7499}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:99px;font-size:12.5px;font-weight:700;
 color:var(--gold-soft);background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.4);margin-bottom:18px;
}
.article-hero h1{
 font-size:clamp(26px,3.6vw,42px);
 font-weight:800;line-height:1.28;letter-spacing:-.01em;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:13.5px;color:#a9b0d2}
.article-meta b{color:#fff;font-weight:600}
.pull-quote{
 position:relative;margin:34px 0 0;padding:20px 24px 20px 26px;
 border-left:4px solid var(--gold);
 background:rgba(255,255,255,.06);
 border-radius:0 12px 12px 0;
 font-size:15.5px;line-height:1.9;color:#dfe3f6;
}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article-body{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:38px 40px;box-shadow:var(--shadow-sm);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
 font-size:23px;font-weight:800;color:var(--ink);
 margin:34px 0 14px;padding-left:14px;position:relative;
}
.article-body h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
 background:linear-gradient(180deg,var(--gold),var(--gold-deep));
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink-2);margin:26px 0 10px}
.article-body p{margin:0 0 18px;color:#3a4060;line-height:1.95;font-size:16px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li{list-style:disc;color:#3a4060;margin-bottom:9px;line-height:1.9}
.article-body ol li{list-style:decimal;color:#3a4060;margin-bottom:9px;line-height:1.9}
.article-body blockquote{
 margin:26px 0;padding:18px 22px;border-left:4px solid var(--gold);
 background:#fff9e9;border-radius:0 10px 10px 0;color:#6a5314;font-size:15.5px;line-height:1.9;
}
.article-body img{border-radius:12px;margin:24px 0;box-shadow:var(--shadow-sm)}
.article-body a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--ink)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article-body th{background:var(--ink);color:#fff;font-weight:700;text-align:left;padding:12px 14px}
.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;color:#3a4060}
.article-body tr:nth-child(even) td{background:#fafbff}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.empty-state{
 background:var(--surface);border:1px dashed #cfd4ea;border-radius:var(--radius-lg);
 padding:60px 32px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:24px}

/* ---------- aside ---------- */
.aside-stack{display:grid;gap:20px;position:sticky;top:92px}
.aside-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px 22px 20px;box-shadow:var(--shadow-sm);
}
.aside-card h3{font-size:15px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:16px}
.aside-card h3::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--gold)}
.aside-list{display:grid;gap:12px}
.aside-list li{display:flex;gap:10px;font-size:14px;color:#4a5070;line-height:1.7}
.aside-list li i{
 flex:0 0 auto;width:22px;height:22px;border-radius:7px;
 background:rgba(255,180,0,.16);color:var(--gold-deep);
 font-style:normal;font-size:12px;font-weight:800;
 display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.aside-note{font-size:13px;color:var(--muted);line-height:1.85;margin-top:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
 display:inline-block;padding:5px 12px;border-radius:8px;font-size:12.5px;
 color:#5a6188;background:#f1f3fb;border:1px solid var(--line);
}
.tag.gold{color:#8a6100;background:#fff6e0;border-color:#ffe3ab}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d8dcef}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.card-index{
 position:absolute;top:12px;left:12px;z-index:2;
 padding:4px 11px;border-radius:8px;font-size:12px;font-weight:800;
 color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000);
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step::before{
 counter-increment:step;content:"0" counter(step);
 position:absolute;top:-14px;left:22px;
 font-size:13px;font-weight:800;letter-spacing:.06em;
 color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000);
 padding:5px 12px;border-radius:8px;box-shadow:0 6px 14px rgba(255,180,0,.32);
}
.step h3{font-size:16.5px;font-weight:800;color:var(--ink);margin:10px 0 10px}
.step p{font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- metrics ---------- */
.metrics{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
 background:var(--ink);border-radius:var(--radius-lg);padding:34px 30px;
 box-shadow:var(--shadow-md);
}
.metric{text-align:center;padding:6px 10px}
.metric b{display:block;font-size:30px;font-weight:800;color:var(--gold);letter-spacing:-.01em;line-height:1.2}
.metric span{display:block;margin-top:8px;font-size:13px;color:#b0b7d6;line-height:1.7}
.metric + .metric{border-left:1px solid rgba(255,255,255,.12)}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
 display:flex;flex-direction:column;gap:12px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d8dcef}
.rel-card h3{font-size:16px;font-weight:800;color:var(--ink);line-height:1.55}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.85}
.rel-card .rel-more{font-size:13.5px;font-weight:700;color:var(--gold-deep);margin-top:auto}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-sm);transition:border-color .25s,box-shadow .25s;
}
.faq-item:hover{border-color:#ffd98a;box-shadow:var(--shadow-md)}
.faq-item h3{font-size:16px;font-weight:800;color:var(--ink);display:flex;gap:10px;align-items:flex-start}
.faq-item h3 em{
 flex:0 0 auto;font-style:normal;width:24px;height:24px;border-radius:8px;
 background:rgba(255,180,0,.18);color:var(--gold-deep);
 font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.faq-item p{margin:12px 0 0 34px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:46px 44px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
 background:linear-gradient(120deg,#1a1f3d,#2a3161 62%,#343b74);
 box-shadow:var(--shadow-md);color:#fff;
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.34),rgba(255,180,0,0) 68%);
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(20px,2.4vw,27px);font-weight:800;color:#fff}
.cta-band p{position:relative;z-index:2;margin-top:12px;font-size:15px;color:#c3c8e2;line-height:1.9;max-width:640px}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#b6bcd9;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.95;color:#9aa1c6;max-width:420px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#9aa1c6;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
 border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
 font-size:13px;color:#8189ad;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr)}
 .aside-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
 .metric + .metric{border-left:0}
 .metric:nth-child(even){border-left:1px solid rgba(255,255,255,.12)}
 .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .cta-band{grid-template-columns:1fr;padding:38px 30px}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-links{
  position:absolute;top:70px;left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:var(--ink-2);padding:14px 22px 20px;
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 20px 40px rgba(8,12,30,.45);
  display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;font-size:15px}
 .nav-links a.nav-cta{margin-left:0;text-align:center}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .article-hero-inner{padding:34px 0 46px}
 .article-body{padding:26px 22px}
 .article-body h2{font-size:20px}
 .article-body p,.article-body ul li,.article-body ol li{font-size:15px}
 .grid-3,.rel-grid{grid-template-columns:minmax(0,1fr)}
 .aside-stack{grid-template-columns:minmax(0,1fr)}
 .metrics{padding:26px 20px}
 .metric b{font-size:25px}
 .faq-item{padding:18px 18px}
 .faq-item p{margin-left:0}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .logo-text strong{font-size:15.5px}
 .logo-text em{letter-spacing:.16em;font-size:10.5px}
 .steps{grid-template-columns:minmax(0,1fr)}
 .metrics{grid-template-columns:minmax(0,1fr)}
 .metric:nth-child(even){border-left:0}
 .metric + .metric{border-top:1px solid rgba(255,255,255,.12);padding-top:18px}
 .pull-quote{padding:16px 18px;font-size:14.5px}
 .cta-band{padding:30px 22px}
 .btn{width:100%}
 .cta-actions{width:100%}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-line:#333a66;
 --gold:#ffb400;
 --gold-deep:#e09b00;
 --gold-soft:#ffd166;
 --bg:#f6f7fc;
 --bg-alt:#eef0f9;
 --surface:#ffffff;
 --text:#1c2038;
 --muted:#6b7191;
 --line:#e7e9f3;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 12px 32px rgba(26,31,61,.11);
 --shadow-gold:0 12px 26px rgba(255,180,0,.30);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,14,35,.32);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:70px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
 width:38px;height:38px;border-radius:10px;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 color:#241a00;font-weight:800;font-size:18px;
 box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-text em{font-style:normal;color:#9aa1c6;font-size:11.5px;letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:9px 14px;border-radius:9px;font-size:14.5px;color:#c6cbe3;
 transition:background .2s,color .2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.active{color:var(--gold);background:rgba(255,180,0,.12)}
.nav-links a.nav-cta{
 margin-left:10px;padding:10px 20px;border-radius:9px;font-weight:700;color:#241a00;
 background:linear-gradient(135deg,#ffc233,#ffa000);
 box-shadow:0 8px 18px rgba(255,180,0,.28);
 transition:transform .2s,box-shadow .2s,background .2s;
}
.nav-links a.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,180,0,.4);color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000)}
.nav-toggle{
 display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
 border:1px solid rgba(255,255,255,.18);flex-direction:column;
 align-items:center;justify-content:center;gap:5px;
 transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.34)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#e3e6f5;transition:.2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:10px;font-size:15px;font-weight:700;
 border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
 cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;box-shadow:var(--shadow-gold)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.55)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);box-shadow:var(--shadow-sm);transform:translateY(-1px)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#131736;color:#fff}
.hero::before{
 content:"";position:absolute;inset:0;
 background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
 opacity:.32;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(16,20,47,.97) 0%,rgba(26,31,61,.9) 55%,rgba(26,31,61,.6) 100%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;
 padding:66px 0 42px;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 15px;border-radius:99px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 color:var(--gold-soft);font-size:13px;font-weight:600;letter-spacing:.04em;
 margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.hero h1{
 font-size:clamp(28px,3.8vw,43px);
 line-height:1.26;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.hero h1 span{color:var(--gold);display:inline-block}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.95;color:#c3c8e2;max-width:610px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points span{
 padding:6px 14px;border-radius:8px;font-size:13px;color:#aeb4d4;
 border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
}
.hero-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.18);
 box-shadow:0 24px 54px rgba(5,8,25,.5);
 background:#101531;
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:14px 18px;font-size:13px;line-height:1.6;color:#e7eaf8;
 background:linear-gradient(180deg,rgba(10,14,35,0),rgba(10,14,35,.9));
}
.countdown-bar{
 position:relative;z-index:2;
 display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px;
 padding:15px 22px;margin:0 0 46px;border-radius:var(--radius);
 background:linear-gradient(90deg,rgba(255,180,0,.16),rgba(255,255,255,.05));
 border:1px solid rgba(255,180,0,.32);
}
.cd-label{font-size:13.5px;font-weight:700;color:var(--gold-soft);letter-spacing:.04em}
.cd-timer{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.cd-timer b{
 display:inline-block;min-width:42px;text-align:center;
 padding:4px 8px;border-radius:8px;background:rgba(0,0,0,.35);
 color:#fff;font-size:16px;font-weight:800;
}
.cd-timer span{font-size:12.5px;color:#b8bedd}
.cd-note{margin-left:auto;font-size:12.5px;color:#b8bedd}

/* ---------- section base ---------- */
.section{padding:76px 0;position:relative}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--ink);color:#fff}
.section.dark .sec-title{color:#fff}
.section.dark .sec-sub{color:#b3b9d6}
.section.dark .eyebrow{color:var(--gold)}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
 color:var(--gold-deep);margin-bottom:12px;
}
.sec-title{font-size:clamp(22px,2.6vw,31px);font-weight:800;color:var(--ink)}
.sec-sub{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted);max-width:760px}
.sec-head{margin-bottom:38px;max-width:820px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:.86fr 1.14fr;gap:52px;align-items:start}
.split-aside{position:sticky;top:96px}
.fault-list{display:grid;gap:16px}
.fault-list li{
 display:flex;gap:18px;align-items:flex-start;
 padding:22px 24px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .24s,box-shadow .24s,border-color .24s;
}
.fault-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.fault-no{
 flex:0 0 auto;width:44px;height:44px;border-radius:11px;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:15px;color:var(--gold-deep);
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.34);
}
.fault-list h3{font-size:16.5px;font-weight:800;color:var(--ink)}
.fault-list p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- mechanic cards ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.mech-card{
 position:relative;padding:28px 26px 26px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);
 transition:transform .26s,box-shadow .26s,border-color .26s;
 overflow:hidden;
}
.mech-card::before{
 content:"";position:absolute;left:0;top:0;width:100%;height:3px;
 background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));
 opacity:.85;
}
.mech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.mech-card h3{font-size:18px;font-weight:800;color:var(--ink);margin-top:14px}
.mech-card p{margin-top:10px;font-size:14.5px;line-height:1.88;color:var(--muted)}
.mech-step{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--gold-deep);
}
.mech-step i{
 font-style:normal;width:26px;height:26px;border-radius:8px;
 display:flex;align-items:center;justify-content:center;
 background:var(--ink);color:var(--gold-soft);font-size:12px;letter-spacing:0;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
 display:inline-block;padding:4px 11px;border-radius:99px;
 font-size:12px;color:#4a5178;background:#f1f3fb;border:1px solid var(--line);
}
.tag.gold{color:var(--gold-deep);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.34);font-weight:700}

/* ---------- steps timeline ---------- */
.step-flow{display:grid;gap:0;position:relative}
.step-item{
 display:grid;grid-template-columns:78px 1fr;gap:26px;
 padding:26px 0;border-bottom:1px dashed var(--line);
}
.step-item:last-child{border-bottom:0;padding-bottom:0}
.step-item:first-child{padding-top:0}
.step-dot{
 width:64px;height:64px;border-radius:16px;
 display:flex;align-items:center;justify-content:center;
 background:var(--ink);color:var(--gold);font-weight:800;font-size:20px;
 box-shadow:0 12px 26px rgba(26,31,61,.24);
}
.step-body h3{font-size:18.5px;font-weight:800;color:var(--ink)}
.step-body p{margin-top:9px;font-size:15px;line-height:1.9;color:var(--muted);max-width:760px}
.step-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}

/* ---------- stats ---------- */
.stat-row{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:6px;
}
.stat{
 padding:24px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.13);
 transition:background .24s,border-color .24s,transform .24s;
}
.stat:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.45);transform:translateY(-3px)}
.stat strong{display:block;font-size:30px;font-weight:800;color:var(--gold);line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:14px;color:#dfe3f5;font-weight:600}
.stat em{display:block;margin-top:6px;font-style:normal;font-size:12.5px;color:#a6adcd;line-height:1.6}
.stat-note{margin-top:24px;font-size:13.5px;color:#a6adcd;line-height:1.85;max-width:840px}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
 display:flex;flex-direction:column;gap:16px;
 padding:26px 24px;border-radius:var(--radius-lg);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .24s,box-shadow .24s;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.voice p{font-size:14.5px;line-height:1.92;color:#3a4064}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px}
.voice-avatar{
 width:40px;height:40px;border-radius:50%;flex:0 0 auto;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;font-weight:800;font-size:15px;
}
.voice-who b{display:block;font-size:14px;color:var(--ink)}
.voice-who i{font-style:normal;font-size:12.5px;color:var(--muted)}

/* ---------- audience ---------- */
.audience{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.audience-figure{
 border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-md);background:#fff;
}
.audience-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.audience-list{display:grid;gap:14px;margin-top:26px}
.audience-list li{
 display:flex;gap:14px;align-items:flex-start;
 padding:16px 18px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:border-color .24s,transform .24s;
}
.audience-list li:hover{border-color:rgba(255,180,0,.5);transform:translateX(3px)}
.audience-list b{color:var(--ink);font-size:15px;display:block}
.audience-list span{font-size:14px;color:var(--muted);line-height:1.8;display:block;margin-top:4px}
.audience-list .dot{
 flex:0 0 auto;width:10px;height:10px;border-radius:50%;margin-top:8px;
 background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
 cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(255,180,0,.14);color:var(--gold-deep);font-weight:800;font-size:16px;
 transition:transform .2s,background .2s;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);background:rgba(255,180,0,.26)}
.faq-item p{padding:0 22px 20px;font-size:14.5px;line-height:1.92;color:var(--muted)}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .26s,box-shadow .26s,border-color .26s;
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.post-thumb{position:relative;background:#e9ecf7}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s}
.post-card:hover .post-thumb img{transform:scale(1.045)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-cat{
 align-self:flex-start;padding:3px 11px;border-radius:99px;
 font-size:12px;font-weight:700;color:var(--gold-deep);
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);
}
.post-body h3{
 font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.55;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
 font-size:14px;color:var(--muted);line-height:1.8;
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-time{margin-top:auto;font-size:12.5px;color:#8b91b0;padding-top:6px}
.empty-note{
 padding:34px 26px;border-radius:var(--radius);
 background:var(--surface);border:1px dashed #cfd4ea;
 color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:52px 46px;
 background:linear-gradient(120deg,#1a1f3d 0%,#232a52 62%,#2c335f 100%);
 border:1px solid rgba(255,180,0,.34);
 box-shadow:0 24px 54px rgba(16,20,47,.32);
 display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
 color:#fff;
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),rgba(255,180,0,0) 68%);
}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:800;color:#fff;position:relative;z-index:2}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.9;color:#c3c8e2;max-width:640px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:#141834;color:#a9b0d0;padding:58px 0 0;border-top:1px solid rgba(255,255,255,.07)}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:44px;padding-bottom:42px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#9aa1c6;max-width:420px}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#a9b0d0;transition:color .2s,transform .2s;display:inline-block}
.footer-col a:hover{color:var(--gold);transform:translateX(2px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
 padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);
 font-size:13px;color:#868eb3;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:36px;padding:54px 0 34px}
 .hero-figure{max-width:560px}
 .split{grid-template-columns:1fr;gap:30px}
 .split-aside{position:static}
 .grid-3,.voice-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
 .stat-row{grid-template-columns:repeat(2,1fr)}
 .audience{grid-template-columns:1fr;gap:32px}
 .faq-wrap{grid-template-columns:1fr;gap:28px}
 .cta-band{grid-template-columns:1fr;padding:40px 30px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-links{
  position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
  background:var(--ink);padding:14px 18px 20px;margin-left:0;
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 22px 44px rgba(8,12,30,.5);
  display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;font-size:15px}
 .nav-links a.nav-cta{margin-left:0;text-align:center;margin-top:6px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .grid-2,.grid-3,.voice-grid,.post-grid{grid-template-columns:1fr}
 .stat-row{grid-template-columns:1fr 1fr;gap:14px}
 .step-item{grid-template-columns:56px 1fr;gap:18px}
 .step-dot{width:52px;height:52px;border-radius:14px;font-size:17px}
 .countdown-bar{padding:14px 16px}
 .cd-note{margin-left:0;width:100%}
 .hero-points{gap:8px}
 .hero-actions .btn{flex:1 1 100%}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .logo-text em{display:none}
 .logo-text strong{font-size:15.5px}
 .hero h1{font-size:26px}
 .hero-lead{font-size:15px}
 .stat-row{grid-template-columns:1fr}
 .fault-list li{padding:18px 16px;gap:14px}
 .mech-card{padding:22px 18px}
 .voice,.post-body{padding-left:18px;padding-right:18px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-item p{padding:0 18px 18px}
 .cta-band{padding:32px 20px}
 .cd-timer b{min-width:36px;font-size:15px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-line:#333a66;
 --gold:#ffb400;
 --gold-deep:#e09b00;
 --gold-soft:#ffd166;
 --bg:#f6f7fc;
 --bg-alt:#eef0f9;
 --surface:#ffffff;
 --text:#1c2038;
 --muted:#6b7191;
 --line:#e7e9f3;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 12px 32px rgba(26,31,61,.11);
 --shadow-gold:0 12px 26px rgba(255,180,0,.30);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 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{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 8px 26px rgba(10,14,35,.32);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:70px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
 width:38px;height:38px;border-radius:10px;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 color:#241a00;font-weight:800;font-size:18px;
 box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-text em{font-style:normal;color:#9aa1c6;font-size:11.5px;letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:9px 14px;border-radius:9px;font-size:14.5px;color:#c6cbe3;
 transition:background .2s,color .2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.active{color:var(--gold);background:rgba(255,180,0,.12)}
.nav-links a.nav-cta{
 margin-left:10px;padding:10px 20px;border-radius:9px;font-weight:700;color:#241a00;
 background:linear-gradient(135deg,#ffc233,#ffa000);
 box-shadow:0 8px 18px rgba(255,180,0,.28);
 transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.nav-links a.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,180,0,.4);color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000)}
.nav-toggle{
 display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
 border:1px solid rgba(255,255,255,.18);flex-direction:column;
 align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#e3e6f5;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:10px;font-size:15px;font-weight:700;
 border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
 cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;box-shadow:var(--shadow-gold)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.55)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);box-shadow:var(--shadow-sm)}

/* ---------- profile hero ---------- */
.profile-hero{position:relative;overflow:hidden;background:#131736;color:#fff;padding:54px 0 60px}
.profile-hero::before{
 content:"";position:absolute;inset:0;
 background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
 opacity:.32;
}
.profile-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(108deg,rgba(16,20,46,.97) 0%,rgba(26,31,61,.90) 55%,rgba(26,31,61,.62) 100%);
}
.profile-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9ba2c6;margin-bottom:26px}
.crumb a{color:#c3c9e6;transition:color .2s}
.crumb a:hover{color:var(--gold)}
.crumb i{font-style:normal;color:#5d6491}
.profile-main{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center}
.avatar-box{position:relative;flex:0 0 auto}
.avatar{
 width:116px;height:116px;border-radius:28px;
 display:flex;align-items:center;justify-content:center;
 font-size:46px;font-weight:800;color:#2a1f00;
 background:linear-gradient(140deg,#ffd166,#ffb400 52%,#e08b00);
 box-shadow:0 18px 40px rgba(255,180,0,.32);
 border:3px solid rgba(255,255,255,.18);
}
.avatar-tag{
 position:absolute;right:-8px;bottom:-8px;
 padding:5px 12px;border-radius:99px;font-size:11.5px;font-weight:700;letter-spacing:.06em;
 background:var(--ink);color:var(--gold-soft);border:1px solid rgba(255,180,0,.5);
}
.profile-name{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.profile-name h1{
 font-size:clamp(25px,3.3vw,38px);
 line-height:1.3;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.verified{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:99px;font-size:12px;font-weight:700;
 background:rgba(255,180,0,.16);color:var(--gold-soft);border:1px solid rgba(255,180,0,.42);
}
.profile-lead{margin-top:16px;font-size:15.5px;line-height:1.95;color:#c1c7e4;max-width:760px}
.profile-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.profile-badges span{
 padding:6px 14px;border-radius:8px;font-size:13px;color:#b3b9d8;
 border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
}
.profile-stats{
 margin-top:30px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
}
.stat-card{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);
 padding:16px 18px;
 backdrop-filter:blur(6px);
 transition:transform .22s,border-color .22s,background .22s;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.5);background:rgba(255,255,255,.11)}
.stat-card b{display:block;font-size:24px;line-height:1.2;color:var(--gold-soft);font-weight:800}
.stat-card span{display:block;margin-top:6px;font-size:12.5px;color:#a9b0d2;letter-spacing:.03em}
.profile-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- section basics ---------- */
.section{padding:74px 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--ink);color:#fff}
.section.dark .eyebrow{color:var(--gold)}
.section.dark h2{color:#fff}
.section.dark .sec-desc{color:#b3b9d6}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
 color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.sec-head{margin-bottom:44px;max-width:760px}
.sec-head h2{
 font-size:clamp(22px,2.6vw,31px);
 line-height:1.36;font-weight:800;letter-spacing:-.01em;color:var(--ink);
}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.sec-head.split{
 display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
 max-width:none;
}
.sec-head.split > div{max-width:700px}
.split-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:46px;align-items:start}

/* ---------- pain cards ---------- */
.pain-side{padding:26px 26px 28px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.pain-side h3{font-size:19px;font-weight:800;color:var(--ink);line-height:1.5}
.pain-side p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.9}
.pain-side .mini-note{
 margin-top:20px;padding:13px 15px;border-radius:10px;
 background:rgba(255,180,0,.10);border:1px dashed rgba(224,155,0,.4);
 color:#8a6400;font-size:13.5px;line-height:1.8;
}
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pain-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55)}
.pain-card .num{
 display:inline-flex;align-items:center;justify-content:center;
 width:30px;height:30px;border-radius:9px;font-size:13px;font-weight:800;
 color:#8a6400;background:rgba(255,180,0,.16);margin-bottom:14px;
}
.pain-card h4{font-size:16px;font-weight:800;color:var(--ink);line-height:1.55}
.pain-card p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- steps ---------- */
.step-list{position:relative;display:grid;gap:16px}
.step{
 display:grid;grid-template-columns:76px 1fr;gap:22px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 26px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55)}
.step-index{
 font-size:26px;font-weight:800;line-height:1;color:var(--gold);
 letter-spacing:-.02em;
}
.step-index small{display:block;font-size:11.5px;letter-spacing:.16em;color:var(--muted);font-weight:700;margin-top:8px}
.step-body h3{font-size:17.5px;font-weight:800;color:var(--ink)}
.step-body p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.9}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
 display:inline-block;padding:4px 11px;border-radius:99px;
 font-size:12px;font-weight:700;letter-spacing:.02em;
 color:#8a6400;background:rgba(255,180,0,.14);border:1px solid rgba(224,155,0,.28);
}
.tag.plain{color:var(--muted);background:#f1f3fa;border-color:var(--line)}

/* ---------- data block ---------- */
.data-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.data-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.metric{
 padding:20px 20px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 transition:transform .22s,background .22s,border-color .22s;
}
.metric:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.45)}
.metric b{display:block;font-size:27px;font-weight:800;color:var(--gold-soft);line-height:1.2}
.metric span{display:block;margin-top:8px;font-size:13px;color:#a9b0d2;line-height:1.7}
.data-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 50px rgba(6,10,28,.45)}
.data-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.data-figure figcaption{
 padding:14px 18px;font-size:13px;color:#a9b0d2;background:rgba(255,255,255,.05);
 border-top:1px solid rgba(255,255,255,.1);
}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scene-card{
 display:grid;grid-template-columns:150px 1fr;gap:0;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.scene-thumb{position:relative;overflow:hidden;background:var(--ink)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;min-height:170px;transition:transform .4s}
.scene-card:hover .scene-thumb img{transform:scale(1.06)}
.scene-body{padding:22px 22px 24px}
.scene-body h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.55}
.scene-body p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.86}
.scene-body .tag{margin-top:14px}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.quote{
 position:relative;padding:28px 24px 26px;border-radius:var(--radius-lg);
 background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote::before{
 content:"“";position:absolute;top:6px;left:18px;
 font-size:52px;line-height:1;color:rgba(255,180,0,.28);font-family:Georgia,serif;
}
.quote p{position:relative;font-size:14.5px;color:#3a4066;line-height:1.92}
.quote footer{margin-top:18px;display:flex;align-items:center;gap:11px}
.quote .who{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:14px;color:#2a1f00;
 background:linear-gradient(135deg,#ffd166,#e09b00);
}
.quote .meta{display:flex;flex-direction:column;line-height:1.4}
.quote .meta strong{font-size:13.5px;color:var(--ink);font-weight:800}
.quote .meta span{font-size:12px;color:var(--muted)}

/* ---------- compare list ---------- */
.compare-list{display:grid;gap:12px}
.compare-row{
 display:grid;grid-template-columns:1.05fr 1.2fr;gap:18px;align-items:center;
 padding:18px 22px;border-radius:var(--radius);
 background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:border-color .22s,transform .22s,box-shadow .22s;
}
.compare-row:hover{border-color:rgba(255,180,0,.55);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.compare-bad{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#8b90ab}
.compare-bad i{
 font-style:normal;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 font-size:12px;font-weight:800;color:#a9576a;background:rgba(199,80,110,.12);margin-top:2px;
}
.compare-good{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#2f3556;font-weight:600}
.compare-good i{
 font-style:normal;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 font-size:12px;font-weight:800;color:#1f7a55;background:rgba(31,122,85,.12);margin-top:2px;
}

/* ---------- post list ---------- */
.more-link{
 font-size:14px;font-weight:700;color:var(--gold-deep);
 padding-bottom:3px;border-bottom:1px solid rgba(224,155,0,.4);
 transition:color .2s,border-color .2s;white-space:nowrap;
}
.more-link:hover{color:#b57c00;border-color:#b57c00}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.post-link{display:flex;flex-direction:column;height:100%;padding:22px 22px 24px}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.post-meta time{font-size:12px;color:var(--muted)}
.post-card h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.6;transition:color .2s}
.post-card:hover h3{color:var(--gold-deep)}
.post-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;flex:1}
.post-more{margin-top:16px;font-size:13px;font-weight:700;color:var(--gold-deep)}
.post-empty{
 grid-column:1/-1;padding:34px 22px;text-align:center;
 border:1px dashed var(--line);border-radius:var(--radius);
 color:var(--muted);font-size:14px;background:#fff;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 52px 19px 22px;position:relative;
 font-size:15.5px;font-weight:800;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;
 font-size:16px;font-weight:700;color:#8a6400;background:rgba(255,180,0,.16);
 transition:transform .2s,background .2s;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover::after{background:rgba(255,180,0,.32)}
.faq-body{padding:0 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.95}

/* ---------- final cta ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#1a1f3d 0%,#242c58 58%,#2e3768 100%);
 padding:44px 44px;
 display:flex;align-items:center;justify-content:space-between;gap:34px;
 box-shadow:0 24px 54px rgba(16,21,48,.32);
}
.cta-band::before{
 content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),rgba(255,180,0,0) 68%);
}
.cta-band h2{position:relative;font-size:clamp(20px,2.4vw,27px);font-weight:800;color:#fff;line-height:1.42;margin:0}
.cta-band p{position:relative;margin-top:12px;font-size:14.5px;color:#bcc2e0;line-height:1.9;max-width:620px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#aab0cf;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9ba2c6;max-width:420px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#a3aacb;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:12.5px;color:#7f87ad;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .profile-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split-layout{grid-template-columns:1fr;gap:30px}
 .data-layout{grid-template-columns:1fr;gap:32px}
 .quote-grid{grid-template-columns:1fr 1fr}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:30px}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-links{
  position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
  background:var(--ink);border-bottom:1px solid rgba(255,255,255,.12);
  padding:12px 18px 18px;display:none;box-shadow:0 18px 34px rgba(8,12,30,.42);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;font-size:15px}
 .nav-links a.nav-cta{margin-left:0;margin-top:8px;text-align:center}
 .profile-main{grid-template-columns:1fr;gap:22px}
 .avatar{width:92px;height:92px;font-size:38px;border-radius:24px}
 .scene-grid{grid-template-columns:1fr}
 .compare-row{grid-template-columns:1fr;gap:10px}
 .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .profile-hero{padding:42px 0 48px}
 .pain-grid{grid-template-columns:1fr}
 .step{grid-template-columns:1fr;gap:10px;padding:20px 20px 22px}
 .step-index{font-size:20px}
 .step-index small{display:inline;margin-left:8px}
 .data-metrics{grid-template-columns:1fr 1fr}
 .quote-grid{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .sec-head.split{flex-direction:column;align-items:flex-start;gap:16px}
 .footer-grid{grid-template-columns:1fr;gap:30px}
 .scene-card{grid-template-columns:1fr}
 .scene-thumb img{min-height:180px;aspect-ratio:16/9}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .profile-stats{grid-template-columns:1fr}
 .data-metrics{grid-template-columns:1fr}
 .profile-actions .btn,.cta-actions .btn{width:100%}
 .btn{padding:12px 20px;font-size:14.5px}
 .stat-card b{font-size:21px}
 .quote{padding:24px 20px}
 .cta-band{padding:28px 20px}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category3 */
:root{
  --ink:#1a1f3d;
  --ink-2:#232a52;
  --ink-line:#333a66;
  --gold:#ffb400;
  --gold-deep:#e09b00;
  --gold-soft:#ffd166;
  --bg:#f6f7fc;
  --bg-alt:#eef0f9;
  --surface:#ffffff;
  --text:#1c2038;
  --muted:#6b7191;
  --line:#e7e9f3;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 12px 32px rgba(26,31,61,.11);
  --shadow-gold:0 12px 26px rgba(255,180,0,.30);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(10,14,35,.32);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:70px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));
  color:#241a00;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-text em{font-style:normal;color:#9aa1c6;font-size:11.5px;letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:9px;font-size:14.5px;color:#c6cbe3;
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-links a.active{color:var(--gold);background:rgba(255,180,0,.12)}
.nav-links a.nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:9px;font-weight:700;color:#241a00;
  background:linear-gradient(135deg,#ffc233,#ffa000);
  box-shadow:0 8px 18px rgba(255,180,0,.28);
  transition:transform .2s,box-shadow .2s;
}
.nav-links a.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,180,0,.4);color:#241a00;background:linear-gradient(135deg,#ffc233,#ffa000)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#e3e6f5;transition:.2s}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
  cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;box-shadow:var(--shadow-gold)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,180,0,.3)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.55)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);box-shadow:var(--shadow-sm)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#131736;color:#fff}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  opacity:.32;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(17,21,48,.97) 0%,rgba(26,31,61,.9) 54%,rgba(26,31,61,.6) 100%);
}
.page-hero .inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
  padding:70px 0 76px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9ba2c8;margin-bottom:18px}
.crumb a{color:#9ba2c8;transition:color .2s}
.crumb a:hover{color:var(--gold-soft)}
.crumb i{font-style:normal;color:#5c6391}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:99px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-soft);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.page-hero h1{
  font-size:clamp(27px,3.6vw,42px);line-height:1.26;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.page-hero h1 span{color:var(--gold)}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.95;color:#c3c8e2;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points span{
  padding:6px 14px;border-radius:8px;font-size:13px;color:#aeb4d4;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
}
.version-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.17);
  border-radius:var(--radius-lg);
  padding:20px;
  backdrop-filter:blur(8px);
  box-shadow:0 22px 50px rgba(5,8,25,.42);
}
.version-card .shot{border-radius:12px;overflow:hidden;position:relative}
.version-card .shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.version-card .shot .tag-ver{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:800;
  background:rgba(26,31,61,.86);color:var(--gold-soft);
  border:1px solid rgba(255,180,0,.4);
}
.version-meta{margin-top:16px;display:grid;gap:9px}
.version-meta li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 13px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:#c9cde4;
}
.version-meta li b{color:#fff;font-weight:700}
.version-meta li em{font-style:normal;color:var(--gold-soft);font-size:12.5px}

/* ---------- sections ---------- */
.section{padding:74px 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--ink);color:#fff}
.section.dark h2{color:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
  color:var(--gold-deep);text-transform:uppercase;margin-bottom:12px;
}
.section.dark .eyebrow{color:var(--gold)}
.sec-head h2{font-size:clamp(23px,2.6vw,32px);line-height:1.34;font-weight:800;color:var(--ink)}
.sec-head p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--muted)}
.section.dark .sec-head p{color:#b3b9d6}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d9dcee}
.card-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,180,0,.14);color:var(--gold-deep);font-weight:800;font-size:18px;
  margin-bottom:16px;border:1px solid rgba(255,180,0,.28);
}
.card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px}
.card p{font-size:14.5px;line-height:1.85;color:var(--muted)}
.card ul{margin-top:14px;display:grid;gap:8px}
.card ul li{
  position:relative;padding-left:18px;font-size:14px;color:#4d5473;line-height:1.8;
}
.card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--gold);
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);margin-top:-46px;position:relative;z-index:5;
}
.stat-item{text-align:center;padding:6px 10px;border-right:1px dashed var(--line)}
.stat-item:last-child{border-right:0}
.stat-item b{display:block;font-size:clamp(21px,2.4vw,28px);font-weight:800;color:var(--ink);line-height:1.2}
.stat-item b span{font-size:14px;color:var(--gold-deep);margin-left:3px}
.stat-item em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.12));
}
.tl-item{position:relative;padding:0 0 28px 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.tl-item .ver{font-size:13px;font-weight:800;color:var(--gold-deep);letter-spacing:.06em}
.tl-item h3{font-size:17.5px;font-weight:800;color:var(--ink);margin:6px 0 8px}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- checklist ---------- */
.checklist{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:border-color .22s,box-shadow .22s,transform .22s;
}
.check-item:hover{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.check-item .num{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;
  font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.check-item h4{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
}
table{border-collapse:collapse;width:100%;min-width:640px}
thead th{
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;
  text-align:left;padding:15px 18px;white-space:nowrap;
}
tbody td{
  padding:15px 18px;font-size:14.5px;color:#414863;
  border-top:1px solid var(--line);vertical-align:top;line-height:1.8;
}
tbody tr:nth-child(even){background:#fafbff}
tbody tr:hover{background:#fff7e4}
tbody td b{color:var(--ink);font-weight:800}
.pill{
  display:inline-block;padding:3px 10px;border-radius:99px;font-size:12.5px;font-weight:700;
  background:rgba(255,180,0,.16);color:var(--gold-deep);border:1px solid rgba(255,180,0,.32);
}
.pill.blue{background:rgba(35,42,82,.08);color:var(--ink-2);border-color:rgba(35,42,82,.14)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:st}
.step{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px 20px;position:relative;
  transition:background .24s,transform .24s,border-color .24s;
}
.step:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);border-color:rgba(255,180,0,.45)}
.step .idx{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#241a00;font-weight:800;font-size:15px;
  margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:800;color:#fff;margin-bottom:8px}
.step p{font-size:14px;color:#b8bedb;line-height:1.8}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s,box-shadow .22s;
}
.faq details[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 22px;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,180,0,.16);color:var(--gold-deep);font-weight:800;font-size:16px;line-height:1;
}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.6)}
.channel .ch-tag{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--gold-deep);text-transform:uppercase}
.channel h3{font-size:18px;font-weight:800;color:var(--ink);margin:10px 0 8px}
.channel p{font-size:14px;color:var(--muted);line-height:1.8}
.channel .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:800;color:var(--ink)}
.channel:hover .more{color:var(--gold-deep)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#1a1f3d 0%,#262e5c 62%,#333c72 100%);
  padding:48px 44px;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  box-shadow:var(--shadow-md);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.cta-band h2{font-size:clamp(21px,2.5vw,29px);color:#fff;font-weight:800;line-height:1.34}
.cta-band p{margin-top:12px;font-size:14.5px;color:#bfc5e0;line-height:1.85;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#a9afcd;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#9aa1c6;max-width:400px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col ul li a{font-size:14px;color:#a9afcd;transition:color .2s}
.footer-col ul li a:hover{color:var(--gold-soft)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#868db2;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .page-hero .inner{grid-template-columns:1fr;gap:34px;padding:56px 0 62px}
  .hero-lead{max-width:none}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:-36px}
  .stat-item:nth-child(2){border-right:0}
  .stat-item{border-bottom:1px dashed var(--line);padding-bottom:14px}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0;padding-bottom:6px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:38px 30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.1);
    padding:12px 16px 18px;box-shadow:0 20px 36px rgba(8,11,30,.55);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:15px}
  .nav-links a.nav-cta{margin-left:0;margin-top:8px;text-align:center;justify-content:center;display:flex}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:56px 0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-wrap{height:64px}
  .nav-links{top:64px}
  .logo-text strong{font-size:15.5px}
  .logo-text em{font-size:10.5px;letter-spacing:.16em}
  .page-hero h1{font-size:25px}
  .hero-lead{font-size:15px}
  .btn{width:100%;padding:13px 18px}
  .hero-actions{gap:10px}
  .stat-strip{grid-template-columns:1fr;padding:20px 18px}
  .stat-item{border-right:0;border-bottom:1px dashed var(--line);padding-bottom:14px}
  .stat-item:last-child{border-bottom:0;padding-bottom:4px}
  .grid-4,.steps{grid-template-columns:1fr}
  .card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:30px 22px}
  .cta-actions{width:100%}
  .section{padding:48px 0}
}