/* roulang page: index */
:root{
  --bg:#0B101F;
  --bg-panel:#111A2E;
  --bg-card:#16233A;
  --bg-card2:#1A2A44;
  --border:rgba(255,255,255,.1);
  --border-soft:rgba(255,255,255,.06);
  --brand:#F2A33C;
  --brand-deep:#D98A26;
  --accent:#2DD4BF;
  --accent-deep:#14B8A6;
  --title:#F8FAFC;
  --text:#CBD5E1;
  --muted:#8196AB;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 4px 24px rgba(0,0,0,.25);
  --shadow-hover:0 10px 32px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;line-height:1.25}
.container{max-width:1280px;margin:0 auto;padding:0 22px}
@media(min-width:640px){.container{padding:0 28px}}
@media(min-width:1024px){.container{padding:0 40px}}
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:34px}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--accent);background:rgba(45,212,191,.08);border:1px solid rgba(45,212,191,.2);padding:6px 14px;border-radius:999px}
.section-title{font-size:28px;margin-top:10px}
.section-desc{color:var(--muted);font-size:15px;max-width:560px}
.grid{display:grid;gap:22px}
@media(min-width:768px){.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{background:linear-gradient(145deg,var(--bg-card),var(--bg-card2));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(242,163,60,.35)}
.tag{display:inline-flex;align-items:center;padding:4px 12px;font-size:12px;font-weight:600;border-radius:999px;background:rgba(255,255,255,.06);color:var(--accent);border:1px solid rgba(255,255,255,.1)}
.tag-brand{background:rgba(242,163,60,.1);color:var(--brand);border-color:rgba(242,163,60,.2)}
.text-gradient{background:linear-gradient(100deg,var(--brand),#FFD58A);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;transition:all .2s ease;white-space:nowrap}
.btn-brand{background:var(--brand);color:#0B101F;box-shadow:0 6px 22px rgba(242,163,60,.25)}
.btn-brand:hover{background:#FFb95C;box-shadow:0 8px 30px rgba(242,163,60,.4)}
.btn-brand:focus{outline:2px solid var(--accent);outline-offset:2px}
.btn-outline{background:rgba(255,255,255,.04);color:var(--title);border:1px solid rgba(255,255,255,.18)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:rgba(45,212,191,.06)}
.btn-outline:focus{outline:2px solid var(--accent);outline-offset:2px}
.btn-mint{background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.4);color:var(--accent);height:42px;padding:0 18px;font-size:14px}
.btn-mint:hover{background:rgba(45,212,191,.2);color:#5EEAD4}
.text-muted{color:var(--muted)}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,31,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.header-row{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand-logo{display:inline-flex;align-items:baseline;gap:2px;font-weight:800;letter-spacing:.5px;color:var(--title);font-size:22px;}
.brand-logo .brand-strong{color:var(--brand)}
.brand-logo .brand-sub{font-weight:700}
.brand-tip{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{display:inline-flex;align-items:center;position:relative;height:44px;padding:0 16px;color:#CBD5E1;font-size:15px;font-weight:500;border-radius:8px;transition:color .2s ease,background .2s ease}
.main-nav .nav-link:hover{color:var(--title);background:rgba(255,255,255,.04)}
.main-nav .nav-link.active{color:var(--accent);font-weight:700}
.main-nav .nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:2px;background:var(--accent)}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:rgba(255,255,255,.03);color:var(--title)}
.mobile-drawer{display:none;border-top:1px solid rgba(255,255,255,.07);background:#0D1425;padding:14px 20px 20px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:flex;height:46px;align-items:center;color:var(--text);font-weight:600;gap:12px;border-bottom:1px solid rgba(255,255,255,.05)}
.mobile-drawer a:last-child{border:0}
.mobile-drawer a.active{color:var(--accent)}
@media(max-width:767px){
  .main-nav,.header-cta{display:none}
  .menu-toggle{display:inline-flex}
}
/* hero */
.hero{position:relative;overflow:hidden;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,31,.92) 0%,rgba(11,16,31,.72) 45%,rgba(11,16,31,.2) 100%),linear-gradient(180deg,rgba(11,16,31,.2),rgba(11,16,31,.88))}
.hero:after{content:"";position:absolute;right:-120px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(45,212,191,.12),transparent 70%)}
.hero-inner{position:relative;z-index:2;display:grid;gap:40px;padding:72px 0 88px}
@media(min-width:1024px){.hero-inner{padding:104px 0 116px;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--accent);background:rgba(45,212,191,.08);border:1px solid rgba(45,212,191,.18);border-radius:999px;padding:7px 16px;margin-bottom:24px}
.hero-title{font-size:42px;line-height:1.12;letter-spacing:1px;margin-bottom:22px}
@media(min-width:640px){.hero-title{font-size:58px}}
@media(min-width:1024px){.hero-title{font-size:66px;max-width:620px}}
.hero-title .hl{color:var(--brand)}
.hero-desc{font-size:16px;color:#A9B7C6;max-width:520px;margin-bottom:30px}
@media(min-width:640px){.hero-desc{font-size:18px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-divider{height:1px;background:rgba(255,255,255,.12);margin-bottom:24px}
.hero-mini-tags{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media(min-width:640px){.hero-mini-tags{grid-template-columns:repeat(4,minmax(0,1fr))}}
.hero-tag-item{display:flex;align-items:center;gap:12px}
.hero-tag-item .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(242,163,60,.15)}
.hero-tag-item .copy{font-size:13px;color:var(--muted);line-height:1.3}
.hero-tag-item .copy b{display:block;color:var(--title);font-size:14px;font-weight:700}
.hero-panel{background:rgba(17,26,46,.55);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:22px;box-shadow:0 18px 60px rgba(0,0,0,.28)}
.hero-panel-title{font-size:14px;font-weight:700;color:var(--title);margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}
.hero-panel-title span:last-child{color:var(--muted);font-weight:500}
.hero-link-list{display:grid;gap:6px}
.hero-link-list a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07);color:#D7E0EA;transition:all .18s ease}
.hero-link-list a:hover{background:rgba(242,163,60,.1);border-color:rgba(242,163,60,.28);color:var(--brand);transform:translateX(4px)}
.hero-link-list a em{font-style:normal;font-size:13px;color:var(--muted)}
.hero-link-list svg{width:17px;height:17px;color:var(--accent)}
.hero-quick-note{margin-top:16px;padding:13px 14px;font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.03);border:1px dashed rgba(255,255,255,.12);border-radius:10px}
/* stat strip */
.stat-strip{border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07);background:#0D1423;padding:18px 0}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-item{display:flex;flex-direction:column;gap:3px}
.stat-item b{font-size:22px;color:var(--title);letter-spacing:.3px;font-variant-numeric:tabular-nums}
.stat-item b span{color:var(--brand);font-size:13px;margin-left:3px;font-weight:600}
.stat-item small{font-size:13px;color:var(--muted)}
/* collection area */
.directory-wrap{display:grid;gap:30px;align-items:stretch}
@media(min-width:1024px){.directory-wrap{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}}
.directory-visual{position:relative;min-height:300px;overflow:hidden;border-radius:18px;border:1px solid rgba(255,255,255,.12);box-shadow:0 16px 50px rgba(0,0,0,.3)}
.directory-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.directory-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,31,.12),rgba(11,16,31,.92))}
.directory-visual-copy{position:absolute;left:0;right:0;bottom:0;padding:28px;z-index:2}
.directory-list{display:grid;gap:12px}
.dir-item{display:flex;align-items:center;gap:16px;padding:18px;border:1px solid rgba(255,255,255,.1);background:#121B2E;border-radius:14px;transition:all .18s ease}
.dir-item .dir-no{flex:none;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:rgba(242,163,60,.12);color:var(--brand);font-weight:800;font-size:13px;border:1px solid rgba(242,163,60,.18)}
.dir-item .dir-body{flex:1;min-width:0}
.dir-item .dir-title{font-size:17px;font-weight:700;color:var(--title);margin-bottom:3px}
.dir-item .dir-desc{font-size:13px;color:#94A7BC;line-height:1.5}
.dir-item .dir-arrow{flex:none;color:var(--accent)}
.dir-item:hover{transform:translateX(2px);background:#172438;border-color:rgba(242,163,60,.35)}
/* featured */
.feature-card{overflow:hidden;display:flex;flex-direction:column}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0B1524}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.feature-card:hover .thumb img{transform:scale(1.04)}
.thumb .badge-item{position:absolute;left:14px;top:14px;z-index:2}
.feature-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;gap:8px}
.feature-title{font-size:19px;line-height:1.4;color:var(--title);font-weight:700}
.feature-title a:hover{color:var(--brand)}
.feature-desc{font-size:14px;color:#9FB0C1;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:8px}
.feature-link{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:5px}
.feature-link:hover{color:#5EEAD4;gap:9px}
/* news / cms */
.news-layout{display:grid;gap:24px}
@media(min-width:1024px){.news-layout{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}
.news-feature-card{position:relative;border-radius:16px;overflow:hidden;background:#111A2E;border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column}
.news-feature-card .thumb{aspect-ratio:16/10}
.news-feature-body{padding:24px}
.news-feature-title{font-size:22px;line-height:1.4;margin:12px 0 10px}
.news-feature-title a:hover{color:var(--brand)}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);margin:4px 0 12px;font-variant-numeric:tabular-nums}
.news-list{display:flex;flex-direction:column}
.news-row{display:grid;gap:14px;padding:19px 6px;border-bottom:1px solid rgba(255,255,255,.07)}
.news-row:last-child{border-bottom:0}
.news-row-top{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px}
.news-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-title{font-size:18px;font-weight:700;color:var(--title)}
.news-title a:hover{color:var(--brand)}
.news-summary{color:#8294A9;font-size:14px;line-height:1.65}
.empty-state{width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:140px;border:1px dashed rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.02);color:#7F91A7;gap:10px}
/* small card */
.mini-card{display:flex;align-items:flex-start;gap:14px;padding:16px;border:1px solid rgba(255,255,255,.08);background:#121B2E;border-radius:12px;transition:all .18s ease}
.mini-card:hover{border-color:rgba(45,212,191,.3);background:#172333;transform:translateY(-2px)}
.mini-card .idx{flex:none;width:26px;height:26px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;background:rgba(45,212,191,.1);color:var(--accent)}
.mini-card-body{flex:1;min-width:0}
.mini-card-title{font-size:15px;font-weight:700;color:var(--title);line-height:1.4}
.mini-card-title:hover{color:var(--brand)}
.mini-card-meta{margin-top:5px;font-size:12px;color:var(--muted)}
.mini-arrow{flex:none;display:inline-flex;align-items:center;margin-top:14px;color:var(--muted);transition:all .2s}
.mini-card:hover .mini-arrow{color:var(--accent);transform:translateX(4px)}
/* CTA band */
.cta-band{position:relative;overflow:hidden;background:url('/assets/images/backpic/back-2.webp') center/cover fixed;border-radius:18px;border:1px solid rgba(255,255,255,.08)}
.cta-band:after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(11,16,31,.96),rgba(11,16,31,.78) 60%,rgba(17,26,46,.35))}
.cta-inner{position:relative;z-index:2;display:grid;gap:26px;padding:34px;align-items:center}
@media(min-width:1024px){.cta-inner{padding:46px;grid-template-columns:1fr auto}}
.cta h2{font-size:26px}
@media(min-width:768px){.cta h2{font-size:31px}}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.copy-tip{margin-top:14px;display:flex;align-items:center;gap:8px;background:rgba(0,0,0,.24);padding:10px 14px;border:1px solid rgba(255,255,255,.12);border-radius:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;color:#D9E4EC}
/* faq */
.faq-wrap{display:grid;gap:12px;max-width:860px}
.faq-item{background:#111A2E;border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:rgba(45,212,191,.35)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;padding:18px 20px;font-size:16px;font-weight:700;color:var(--title);cursor:pointer;background:transparent;border:0}
.faq-q .plus{flex:none;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(45,212,191,.12);color:var(--accent);transition:transform .25s}
.faq-item.open .plus{transform:rotate(45deg);background:rgba(242,163,60,.15);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;padding:0 20px;transition:max-height .25s ease,padding .25s ease}
.faq-item.open .faq-a{padding:0 20px 20px;max-height:300px}
.faq-a p{margin:0;padding-top:2px;font-size:14.5px;color:#9FB0C1;line-height:1.85}
/* footer */
.site-footer{background:#090E1A;border-top:1px solid rgba(255,255,255,.06)}
.footer-top{padding:46px 0 28px;display:grid;gap:30px}
@media(min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr .9fr}}
.footer-brand .brand-logo{font-size:24px;margin-bottom:12px}
.footer-note{font-size:14px;color:#8296AC;line-height:1.7}
.footer-col-title{font-size:14px;font-weight:700;color:var(--title);margin-bottom:14px;letter-spacing:.05em}
.footer-links{display:grid;gap:9px;list-style:none;padding:0;margin:0}
.footer-links a{font-size:14px;color:#94A7BC;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:#6F849A}
.footer-bottom .domain{color:#A9B7C6;font-weight:600}
/* misc */
.img-wire{background:linear-gradient(135deg,#161E34,#0B1524)}
.reveal{opacity:0;transform:translateY(12px);animation:reveal .7s ease forwards}
@keyframes reveal{to{opacity:1;transform:none}}
@media(max-width:639px){
  .hero-title{font-size:40px}
  .section-title{font-size:25px}
}

/* roulang page: category1 */
:root{
  --bg:#0B101F;
  --panel:#111A2E;
  --panel2:#16233A;
  --panel3:#1A2A44;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --amber:#F2A33C;
  --amber-light:#FFB85C;
  --amber-deep:#D98A26;
  --teal:#2DD4BF;
  --teal-dark:#14B8A6;
  --title:#F8FAFC;
  --body:#CBD5E1;
  --muted:#8196AB;
  --radius:12px;
  --shadow:0 4px 24px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  z-index:-1;
  right:-120px;
  top:-100px;
  width:480px;
  height:480px;
  background:radial-gradient(circle,rgba(45,212,191,.10),transparent 65%);
  pointer-events:none;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 40px}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,16,31,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-wrap{
  min-height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:2px;
  font-size:23px;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--title);
  line-height:1;
}
.brand-logo .brand-strong{color:var(--amber);letter-spacing:.2px}
.brand-logo .brand-sub{font-weight:700}
.brand-logo .brand-sub::before{
  content:"";
  display:inline-block;
  width:1px;
  height:14px;
  background:var(--line-strong);
  margin:0 7px 0 3px;
  vertical-align:-2px;
}
.main-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  padding:10px 16px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--body);
  transition:color .2s,background-color .2s;
}
.nav-link:hover{color:var(--title);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--teal)}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--teal);
}
.nav-trigger{
  display:none;
  margin-left:auto;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--line);
  background:var(--panel2);
  border-radius:8px;
  cursor:pointer;
}
.nav-trigger span{
  width:16px;
  height:2px;
  display:block;
  background:var(--title);
  border-radius:2px;
  transition:transform .2s,opacity .2s;
}
body.nav-open .nav-trigger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-trigger span:nth-child(2){opacity:0}
body.nav-open .nav-trigger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Typography */
h1,h2,h3,h4{color:var(--title);margin:0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--teal);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:16px;
  height:2px;
  background:var(--teal);
  border-radius:2px;
}
.section-site{padding:76px 0;border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin-bottom:36px}
.section-title{
  font-size:31px;
  line-height:1.24;
  letter-spacing:-.4px;
  margin-top:10px;
}
.section-lead{
  margin:14px 0 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

/* Buttons */
.btn-primary,.btn-ghost,.btn-teal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  transition:color .2s,background-color .2s,border-color .2s,box-shadow .2s,transform .2s;
}
.btn-primary{
  background:var(--amber);
  color:#241705;
  border:1px solid transparent;
}
.btn-primary:hover{
  background:var(--amber-light);
  box-shadow:0 0 0 4px rgba(242,163,60,.15),0 10px 24px rgba(242,163,60,.14);
  transform:translateY(-1px);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  color:var(--body);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{
  color:var(--teal);
  border-color:var(--teal);
  background:rgba(45,212,191,.06);
}
.btn-teal{
  border:1px solid rgba(45,212,191,.5);
  color:var(--teal);
  background:rgba(45,212,191,.06);
}
.btn-teal:hover{
  background:rgba(45,212,191,.14);
  border-color:var(--teal);
}
.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-teal:focus-visible,input:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
}

/* Cards */
.cover-card{
  background:var(--panel2);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  padding:20px;
  box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.cover-card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 34px rgba(0,0,0,.34);
  border-color:rgba(45,212,191,.3);
}
.cover-card .media{
  aspect-ratio:16/9;
  background:#0D1424 center/cover;
  border-radius:12px;
  overflow:hidden;
  margin-bottom:18px;
}
.cover-card .media img{width:100%;height:100%;object-fit:cover}
.cover-card h3{
  font-size:18px;
  line-height:1.45;
  margin-bottom:8px;
}
.cover-card p{
  margin:0;
  color:var(--body);
  font-size:14px;
  line-height:1.75;
}
.card-link{
  margin-top:14px;
  color:var(--teal);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s;
}
.cover-card:hover .card-link{gap:10px}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:22px;
  padding:1px 9px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1;
  color:var(--teal);
  background:rgba(45,212,191,.1);
  border:1px solid rgba(45,212,191,.18);
}
.tag-amber{color:var(--amber);background:rgba(242,163,60,.1);border-color:rgba(242,163,60,.2)}

/* Page Intro */
.page-intro{
  position:relative;
  overflow:hidden;
  padding:58px 0 60px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(110deg,rgba(11,16,31,.98) 0%,rgba(11,16,31,.9) 45%,rgba(11,21,35,.76)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-intro::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-180px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.12),transparent 62%);
  pointer-events:none;
}
.intro-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:52px;
  align-items:end;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 0 18px;
  padding:0;
  list-style:none;
  font-size:14px;
  color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";color:var(--muted);opacity:.8}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb [aria-current="page"]{color:var(--body)}
.intro-title{
  font-size:58px;
  line-height:1.12;
  letter-spacing:-1.3px;
  color:var(--title);
  margin:14px 0 18px;
  max-width:680px;
}
.intro-title .text-amber{color:var(--amber)}
.intro-desc{
  max-width:620px;
  font-size:17px;
  line-height:1.85;
  margin:0 0 26px;
  color:var(--body);
}
.intro-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.intro-aside{
  background:rgba(22,35,58,.74);
  border:1px solid var(--line-strong);
  border-radius:18px;
  padding:26px 24px;
  backdrop-filter:blur(8px);
  box-shadow:0 16px 40px rgba(0,0,0,.2);
}
.intro-aside .aside-title{
  color:var(--body);
  font-size:14px;
  margin:0 0 14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.aside-stat{
  font-size:30px;
  color:var(--amber);
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.aside-stat span{font-size:14px;color:var(--muted);font-weight:500}
.intro-aside ul{
  list-style:none;
  margin:16px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.intro-aside li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:var(--body);
  padding-bottom:9px;
  border-bottom:1px dashed rgba(255,255,255,.09);
}
.intro-aside li:last-child{border-bottom:0;padding-bottom:0}
.intro-aside li i{color:var(--teal);font-size:13px;width:16px}

/* Stat Band */
.stat-band{
  border-bottom:1px solid var(--line);
  background:rgba(17,26,46,.5);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
}
.stat-item{
  position:relative;
  padding:26px 36px 26px 0;
  min-height:116px;
}
.stat-item + .stat-item{padding-left:36px}
.stat-item + .stat-item::before{
  content:"";
  position:absolute;
  left:0;
  top:22px;
  bottom:22px;
  width:1px;
  background:var(--line);
}
.stat-item strong{
  display:block;
  color:var(--title);
  font-size:17px;
  font-weight:700;
  letter-spacing:-.1px;
  margin-bottom:6px;
}
.stat-item p{margin:0;font-size:14px;line-height:1.75;color:var(--muted)}

/* Wide map */
.guide-map-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);
  gap:18px;
}
.dartcard{
  position:relative;
  min-height:300px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.dartcard .dart-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.dartcard .dart-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(96deg,rgba(11,16,31,.98) 0%,rgba(11,16,31,.74) 58%,rgba(11,16,31,.2) 100%);
}
.dart-body{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  min-height:300px;
  padding:38px 34px;
}
.dart-body .tag{margin-bottom:14px}
.dart-body h3{
  color:var(--title);
  font-size:28px;
  line-height:1.36;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.dart-body p{
  max-width:520px;
  color:var(--body);
  font-size:15px;
  line-height:1.85;
  margin:0 0 18px;
}
.vertical-list{
  list-style:none;
  margin:0;
  padding:26px 22px;
  background:var(--panel);
  border-radius:18px;
  border:1px solid var(--line);
}
.vertical-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:14px 0;
}
.vertical-list li::after?{
}
.vertical-list .num{
  color:var(--amber);
  font-weight:800;
  font-size:20px;
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.vertical-list .vline{
  flex:1;
}
.vertical-list h4{
  margin:0 0 4px;
  font-size:16px;
  color:var(--title);
}
.vertical-list p{margin:0;font-size:13.5px;line-height:1.65;color:var(--muted)}
.typical-card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.info-note{
  margin-top:28px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(45,212,191,.04);
  padding:18px 22px;
  display:flex;
  align-items:flex-start;
  gap:14px;
  font-size:14px;
  color:var(--body);
}
.info-note i{color:var(--teal);margin-top:3px}
.info-note span{flex:1}

/* Process */
.process-grid{
  margin-top:38px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.process-item{
  position:relative;
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:14px;
  padding:26px 22px 24px;
  transition:border-color .2s,transform .2s;
}
.process-item:hover{transform:translateY(-2px);border-color:rgba(242,163,60,.4)}
.process-step{
  width:32px;height:32px;
  border-radius:999px;
  background:rgba(242,163,60,.14);
  color:var(--amber);
  border:1px solid rgba(242,163,60,.26);
  font-size:14px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.process-item h3{font-size:17px;margin-bottom:8px}
.process-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.process-arrow{
  position:absolute;
  right:-14px;
  top:36px;
  color:var(--teal);
  font-size:12px;
  opacity:.5;
  z-index:3;
}

/* FAQ */
.faq-wrap{
  max-width:880px;
  margin:34px auto 0;
}
.faq-item{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:12px;
  margin-bottom:12px;
  transition:border-color .2s,background-color .2s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{background:#141f34}
.faq-summary{
  list-style:none;
  padding:20px 54px 20px 22px;
  position:relative;
  cursor:pointer;
  font-size:16px;
  color:var(--title);
  font-weight:600;
  display:flex;
  align-items:center;
  gap:12px;
}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:400;
  border:1px solid var(--line-strong);
  border-radius:50%;
  color:var(--amber);
  background:rgba(242,163,60,.06);
  transition:transform .2s;
}
.faq-item[open] .faq-summary::after{transform:translateY(-50%) rotate(45deg);border-color:rgba(45,212,191,.4);color:var(--teal);background:rgba(45,212,191,.08)}
.faq-answer{padding:0 22px 22px;margin:-4px 0 0;color:var(--body);font-size:15px;line-height:1.85}

/* Save CTA */
.save-cta{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(480px 200px at 82% 20%,rgba(45,212,191,.10),transparent 65%),
    #0E1526;
}
.save-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:40px;
  align-items:center;
  padding:58px 40px;
  border:1px solid var(--line);
  border-radius:22px;
  background:linear-gradient(118deg,rgba(22,35,58,.9),rgba(17,26,46,.98));
}
.save-inner h2{
  font-size:30px;
  letter-spacing:-.5px;
  line-height:1.35;
  margin:10px 0 10px;
}
.save-inner p{
  margin:0;
  color:var(--muted);
  font-size:15px;
  max-width:620px;
}
.save-actions{display:flex;gap:12px;flex-wrap:wrap}
.save-status{
  display:block;
  min-height:22px;
  margin-top:12px;
  color:var(--teal);
  font-size:14px;
}

/* Newsletter */
.newsletter-sec{border-bottom:1px solid var(--line);background:#0E1526}
.newsletter-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);
  gap:34px;
  align-items:center;
}
.newsletter-inner h2{font-size:23px;margin-bottom:6px}
.newsletter-inner p{margin:0;color:var(--muted);font-size:14px}
.subscribe-form{display:flex;gap:10px}
.subscribe-form input{
  flex:1;
  min-width:0;
  background:rgba(11,16,31,.6);
  border:1px solid var(--line-strong);
  border-radius:8px;
  padding:0 16px;
  height:46px;
  color:var(--title);
  font-size:14px;
  transition:border-color .2s,box-shadow .2s;
}
.subscribe-form input::placeholder{color:var(--muted)}
.subscribe-form input:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px rgba(45,212,191,.14)}
.form-status{min-height:22px;margin-top:9px;font-size:13px;color:var(--teal)}

/* Footer */
.site-footer{
  background:#0A0F1C;
  border-top:1px solid var(--line);
  padding:52px 0 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) .7fr .8fr;
  gap:34px;
  padding-bottom:28px;
}
.footer-note{
  margin:16px 0 0;
  color:var(--muted);
  font-size:14px;
}
.footer-col-title{
  color:var(--title);
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-links a,.footer-links li{
  color:var(--body);
  font-size:14px;
  transition:color .2s;
}
.footer-links a:hover{color:var(--teal)}
.footer-links .domain{color:var(--body)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:24px;
  margin-top:6px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  color:var(--muted);
  font-size:13px;
  flex-wrap:wrap;
}

/* Utilities */
.text-teal{color:var(--teal)}
.text-amber{color:var(--amber)}
.mt-2{margin-top:14px}
.mini-orbit{display:inline-flex}
.media-grey{background:#0D1424}

/* Responsive */
@media (max-width:1024px){
  .intro-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .guide-map-grid{grid-template-columns:1fr}
  .typical-card-grid{grid-template-columns:1fr 1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-arrow{display:none}
  .save-inner{grid-template-columns:1fr}
  .newsletter-inner{grid-template-columns:1fr}
  .save-inner{padding:48px 32px}
}
@media (max-width:900px){
  .nav-trigger{display:flex}
  .main-nav{
    position:fixed;
    top:72px;
    left:0;right:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    padding:10px 24px 18px;
    display:none;
    background:rgba(11,16,31,.98);
    border-bottom:1px solid var(--line-strong);
    max-height:calc(100vh - 72px);
    overflow:auto;
  }
  body.nav-open .main-nav{display:flex}
  .nav-link{
    padding:15px 8px;
    border-bottom:1px solid var(--line);
    font-size:16px;
    border-radius:0;
  }
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(45,212,191,.05)}
}
@media (max-width:768px){
  .container{padding:0 24px}
  .intro-grid{grid-template-columns:1fr}
  .intro-title{font-size:40px;letter-spacing:-.8px}
  .intro-aside{max-width:100%}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{
    padding:20px 0;
    min-height:auto;
  }
  .stat-item + .stat-item{
    padding-left:0;
    border-top:1px solid var(--line);
  }
  .stat-item + .stat-item::before{display:none}
  .section-site{padding:58px 0}
  .section-title{font-size:26px}
  .typical-card-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .save-inner{padding:34px 24px}
  .save-inner h2{font-size:25px}
  .save-actions{width:100%}
  .save-actions .btn-primary,.save-actions .btn-ghost{width:100%}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn-primary{width:100%}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .intro-title{font-size:33px}
  .intro-actions{flex-direction:column;align-items:stretch}
  .intro-actions .btn-primary,.intro-actions .btn-ghost{width:100%}
  .section-title{letter-spacing:-.2px}
  .dart-body{padding:30px 22px}
  .dart-body h3{font-size:23px}
  .vertical-list{padding:20px 18px}
}

/* roulang page: article */
:root{
  --bg:#0B101F;
  --panel:#111A2E;
  --card:#16233A;
  --card-hover:#1A2A44;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --amber:#F2A33C;
  --amber-hover:#ffb866;
  --teal:#2DD4BF;
  --teal-hover:#14B8A6;
  --title:#F8FAFC;
  --text:#CBD5E1;
  --muted:#8196AB;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 4px 24px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
p,ul,ol,figure{margin:0;padding:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;color:var(--title);line-height:1.3}

.container{max-width:1280px;margin:0 auto;padding:0 40px}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,16,31,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
  gap:24px;
}
.brand-logo{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  font-size:26px;
  font-weight:800;
  letter-spacing:.3px;
  white-space:nowrap;
}
.brand-strong{
  color:var(--amber);
  font-size:30px;
}
.brand-sub{
  color:var(--title);
  font-weight:600;
  font-size:19px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:36px;
}
.nav-link{
  position:relative;
  color:#B7C5D4;
  font-size:15px;
  font-weight:500;
  padding:10px 0;
  transition:color .2s ease;
}
.nav-link:hover{color:#fff}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  transform:scaleX(0);
  transform-origin:left center;
  background:var(--teal);
  transition:transform .2s ease;
}
.nav-link.active{color:#fff}
.nav-link.active::after,
.nav-link:hover::after{transform:scaleX(1)}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,.10);
  border-radius:10px;
  background:rgba(255,255,255,.04);
  color:var(--title);
}
.menu-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* article hero */
.article-head{
  border-bottom:1px solid var(--line-soft);
  background:
    radial-gradient(circle at 84% 12%,rgba(45,212,191,.14),transparent 320px),
    linear-gradient(115deg,rgba(11,16,31,.96) 0%,rgba(12,18,32,.93) 45%,rgba(21,32,54,.88) 100%),
    url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
}
.article-head-inner{padding:76px 0 62px}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:24px;
}
.breadcrumb a{color:#9AAEBD;transition:color .2s ease}
.breadcrumb a:hover{color:var(--teal)}
.crumb-sep{opacity:.45}
.crumb-title{color:#F8FAFC;max-width:560px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-cat-badge{
  display:inline-flex;
  align-items:center;
  background:rgba(45,212,191,.10);
  border:1px solid rgba(45,212,191,.28);
  color:var(--teal);
  font-size:13px;
  font-weight:600;
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:18px;
}
.article-title{
  max-width:920px;
  font-size:clamp(30px,5vw,52px);
  line-height:1.22;
  letter-spacing:-.01em;
  font-weight:800;
}
.article-summary{
  margin-top:18px;
  max-width:820px;
  color:#A9B9C9;
  font-size:16px;
  line-height:1.85;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 26px;
  margin-top:26px;
  color:var(--muted);
  font-size:14px;
}
.meta-icon{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.meta-icon svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;opacity:.75}

/* article reading */
.article-main{
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,var(--bg) 0%,#0D1425 55%,var(--bg) 100%);
}
.reading-column{
  max-width:800px;
  margin:0 auto;
}
.not-found{
  border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.02);
  border-radius:18px;
  padding:70px 32px;
  text-align:center;
  color:var(--muted);
}
.not-found strong{
  display:block;
  color:var(--title);
  font-size:22px;
  margin-bottom:12px;
}
.not-found a{
  display:inline-flex;
  margin-top:22px;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 26px;
  border:1px solid rgba(45,212,191,.42);
  background:transparent;
  color:var(--teal);
  border-radius:9px;
  font-size:15px;
  font-weight:600;
  transition:all .2s ease;
}
.not-found a:hover{background:rgba(45,212,191,.08);border-color:var(--teal)}

.cms-content{
  font-size:17px;
  line-height:2;
  color:#CBD5E1;
  word-break:break-word;
}
.cms-content p{margin:0 0 24px}
.cms-content h2{
  font-size:26px;
  margin:44px 0 18px;
  padding-top:8px;
  color:var(--title);
}
.cms-content h3{
  font-size:21px;
  margin:38px 0 14px;
  color:var(--title);
}
.cms-content h4{
  font-size:18px;
  margin:28px 0 10px;
  color:var(--title);
}
.cms-content ul,.cms-content ol{margin:0 0 24px;padding-left:22px}
.cms-content li{margin-bottom:8px}
.cms-content blockquote{
  margin:28px 0;
  padding:18px 24px;
  border-left:3px solid var(--teal);
  background:rgba(17,26,46,.72);
  border-radius:0 12px 12px 0;
  color:#AEBCCB;
}
.cms-content blockquote p:last-child{margin-bottom:0}
.cms-content img{
  margin:28px auto;
  border-radius:14px;
  box-shadow:var(--shadow);
  background:#111826;
}
.cms-content a{
  color:var(--teal);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(45,212,191,.38);
  transition:color .2s ease,text-decoration-color .2s ease;
}
.cms-content a:hover{color:#fff;text-decoration-color:#fff}
.cms-content table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  background:rgba(17,26,46,.5);
  border-radius:12px;
  overflow:hidden;
}
.cms-content th,.cms-content td{
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.07);
  text-align:left;
}
.cms-content th{background:rgba(255,255,255,.045);color:var(--title)}
.cms-content hr{margin:38px 0;border:0;height:1px;background:var(--line-soft)}

/* article tools */
.article-tools{
  max-width:800px;
  margin:52px auto 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:18px;
  padding:18px 0;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.tool-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-tool{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:9px;
  font-size:14px;
  font-weight:600;
  color:var(--title);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  transition:all .2s ease;
}
.btn-tool:hover{color:var(--teal);border-color:rgba(45,212,191,.45)}
.btn-tool svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.share-group{display:flex;align-items:center;gap:8px}
.share-label{color:var(--muted);font-size:13px;margin-right:4px}
.share-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:#CBD5E1;
  transition:all .2s ease;
}
.share-btn:hover{color:var(--teal);border-color:rgba(45,212,191,.42)}
.share-btn svg{width:17px;height:17px;fill:currentColor}
.article-tip{
  max-width:800px;
  margin:14px auto 0;
  font-size:13px;
  color:var(--muted);
  text-align:center;
}

/* related */
.related-section{padding:0 0 76px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-title{
  position:relative;
  font-size:28px;
  font-weight:800;
  padding-left:18px;
  letter-spacing:-.01em;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:8px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--amber),#B4690E);
}
.section-sub{font-size:14px;color:var(--muted)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rel-card{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:24px;
  min-height:170px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  box-shadow:0 2px 14px rgba(0,0,0,.15);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{
  transform:translateY(-3px);
  background:var(--card-hover);
  border-color:rgba(45,212,191,.25);
  box-shadow:0 8px 28px rgba(0,0,0,.35);
}
.rel-cat{font-size:12px;color:var(--teal);font-weight:600;letter-spacing:.4px;margin-bottom:10px}
.rel-title{
  font-size:17px;
  line-height:1.55;
  color:#F0F4FA;
  font-weight:700;
  transition:color .2s ease;
}
.rel-card:hover .rel-title{color:#fff}
.rel-arrow{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-size:14px;
  transition:color .2s ease,gap .2s ease;
}
.rel-arrow svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rel-card:hover .rel-arrow{color:var(--teal);gap:10px}

/* faq */
.faq-section{
  padding:70px 0 78px;
  background:#0D1425;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:34px}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(45,212,191,.22);background:#131D31}
.faq-question{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--title);
  cursor:pointer;
  user-select:none;
}
.faq-question::-webkit-details-marker{display:none}
.faq-question::after{
  content:"";
  width:16px;
  height:16px;
  flex:none;
  border-right:2px solid var(--teal);
  border-bottom:2px solid var(--teal);
  transform:rotate(45deg);
  transition:transform .25s ease,margin-top .25s ease;
  margin-top:-4px;
}
.faq-item[open] .faq-question::after{
  transform:rotate(225deg);
  margin-top:6px;
}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.9;color:#AEBCCB}
.faq-answer p{margin-bottom:12px}
.faq-answer p:last-child{margin-bottom:0}

/* cta */
.cta-section{padding:72px 0}
.cta-band{
  position:relative;
  background:
    radial-gradient(circle at 12% 20%,rgba(45,212,191,.10),transparent 260px),
    radial-gradient(circle at 92% 75%,rgba(242,163,60,.10),transparent 260px),
    var(--panel);
  border:1px solid var(--line-soft);
  border-radius:20px;
  padding:48px;
  overflow:hidden;
}
.cta-copy h2{
  font-size:28px;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.cta-copy p{color:var(--muted);font-size:15px}
.cta-actions{
  position:absolute;
  right:46px;
  top:50%;
  transform:translateY(-50%);
  display:flex;
  gap:12px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 26px;
  border:none;
  border-radius:9px;
  font-size:15px;
  font-weight:700;
  transition:all .2s ease;
}
.btn svg{width:18px;height:18px;margin-right:7px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  color:#1B1508;
  background:var(--amber);
  box-shadow:0 6px 20px rgba(242,163,60,.22);
}
.btn-primary:hover{background:var(--amber-hover);box-shadow:0 8px 26px rgba(242,163,60,.3)}
.btn-outline{
  color:var(--teal);
  border:1px solid rgba(45,212,191,.44);
  background:transparent;
}
.btn-outline:hover{background:rgba(45,212,191,.09);border-color:var(--teal)}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

/* footer */
.site-footer{
  background:#080C16;
  border-top:1px solid var(--line-soft);
  padding:64px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr .9fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand .brand-logo{font-size:24px}
.footer-brand .brand-strong{font-size:27px}
.footer-note{margin-top:14px;color:var(--muted);font-size:14px;line-height:1.8;max-width:320px}
.footer-col-title{
  font-size:15px;
  font-weight:700;
  color:#E9F0F7;
  margin-bottom:16px;
  letter-spacing:.2px;
}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-links span{color:var(--muted);font-size:14px;transition:color .2s ease}
.footer-links a:hover{color:var(--teal)}
.domain{color:#94A8B8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:24px 12px;
  text-align:center;
  color:#647891;
  font-size:13px;
}
.footer-bottom span{display:inline-block;margin:0 10px}

@media (max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .cta-actions{position:static;transform:none;margin-top:30px}
}

@media (max-width:900px){
  .container{padding:0 24px}
  .menu-toggle{display:inline-flex}
  .main-nav{
    display:none;
    position:absolute;
    top:calc(100% + 8px);
    left:20px;
    right:20px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:rgba(16,24,44,.98);
    border:1px solid rgba(255,255,255,.10);
    border-radius:14px;
    padding:12px;
    box-shadow:0 20px 50px rgba(0,0,0,.45);
  }
  .main-nav.open{display:flex}
  .nav-link{
    padding:14px 16px;
    border-radius:8px;
    font-size:15px;
  }
  .nav-link:hover{background:rgba(255,255,255,.05)}
  .nav-link::after{display:none}
  .related-grid{grid-template-columns:1fr}
  .article-head-inner{padding:58px 0 46px}
  .reading-column{max-width:100%}
  .article-tools{flex-direction:column;align-items:stretch}
}

@media (max-width:640px){
  .container{padding:0 18px}
  .header-bar{height:68px}
  .brand-logo{font-size:20px}
  .brand-strong{font-size:23px}
  .brand-sub{font-size:16px}
  .section-title{font-size:23px}
  .article-head-inner{padding-top:42px;padding-bottom:32px}
  .breadcrumb{font-size:12px}
  .article-title{font-size:30px}
  .article-summary{font-size:15px}
  .article-meta{gap:8px 16px;font-size:13px}
  .cms-content{font-size:16px;line-height:1.95}
  .cms-content h2{font-size:22px}
  .cms-content h3{font-size:19px}
  .cta-section{padding:52px 0}
  .cta-band{padding:28px 22px}
  .cta-copy h2{font-size:23px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .tool-actions{width:100%;flex-direction:column}
  .btn-tool{width:100%;justify-content:center}
  .share-group{justify-content:center;width:100%}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .article-tip{text-align:left}
}

/* roulang page: category2 */
:root {
      --bg: #0B101F;
      --panel: #111A2E;
      --card: #16233A;
      --card2: #1A2A44;
      --line: rgba(255, 255, 255, 0.1);
      --line-soft: rgba(255, 255, 255, 0.07);
      --primary: #F2A33C;
      --primary-hover: #D98A26;
      --accent: #2DD4BF;
      --accent-hover: #14B8A6;
      --title: #F8FAFC;
      --body: #CBD5E1;
      --muted: #8196AB;
      --radius: 16px;
      --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--body);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      font-variant-numeric: tabular-nums;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
      color: inherit;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    summary:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
      border-radius: 8px;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 20px;
    }

    @media (min-width: 768px) {
      .container {
        padding: 0 32px;
      }
    }

    @media (min-width: 1280px) {
      .container {
        padding: 0 40px;
      }
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(11, 16, 31, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line-soft);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      gap: 20px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: baseline;
      white-space: nowrap;
    }

    .brand-strong {
      color: var(--primary);
      font-size: 1.45rem;
      font-weight: 900;
      letter-spacing: -0.01em;
    }

    .brand-sub {
      color: var(--title);
      font-size: 1.12rem;
      font-weight: 700;
      margin-left: 3px;
      letter-spacing: 0.01em;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 14px;
      border-radius: 8px;
      color: var(--muted);
      font-size: 0.95rem;
      font-weight: 500;
      transition: color 0.2s ease, background 0.2s ease;
    }

    .nav-link:hover {
      color: var(--title);
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-link.active {
      color: var(--accent);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 0;
      height: 2px;
      border-radius: 999px;
      background: var(--accent);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 40px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.94rem;
      cursor: pointer;
      transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
      white-space: nowrap;
    }

    .btn-sm {
      min-height: 38px;
      padding: 0 16px;
      font-size: 0.88rem;
    }

    .btn-primary {
      background: var(--primary);
      color: #13161f;
    }

    .btn-primary:hover {
      background: #f2b560;
      color: #10131c;
      box-shadow: 0 6px 20px rgba(242, 163, 60, 0.18);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.02);
      border-color: rgba(255, 255, 255, 0.16);
      color: var(--title);
    }

    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--title);
      cursor: pointer;
    }

    .page-hero {
      position: relative;
      overflow: hidden;
      padding: 72px 0 56px;
      background:
        radial-gradient(circle at 84% 15%, rgba(45, 212, 191, 0.13), transparent 30%),
        linear-gradient(105deg, rgba(11, 16, 31, 0.97) 10%, rgba(11, 16, 31, 0.75) 90%),
        url("/assets/images/backpic/back-1.png") center / cover no-repeat;
      border-bottom: 1px solid var(--line-soft);
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 13px;
      border-radius: 999px;
      background: rgba(45, 212, 191, 0.08);
      border: 1px solid rgba(45, 212, 191, 0.24);
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 600;
    }

    .hero-h1 {
      margin-top: 18px;
      color: var(--title);
      font-size: clamp(2rem, 4vw, 3.4rem);
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -0.02em;
    }

    .hero-desc {
      margin-top: 18px;
      max-width: 600px;
      color: var(--body);
      font-size: 1rem;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 36px;
      padding-top: 24px;
      border-top: 1px solid var(--line-soft);
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--line-soft);
      color: var(--body);
      font-size: 0.82rem;
    }

    .hero-visual {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
      background: var(--card);
    }

    .hero-visual img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    .hero-float {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 16px;
      border-radius: 14px;
      background: rgba(11, 16, 31, 0.82);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: var(--title);
      font-size: 0.9rem;
    }

    .hero-float span:last-child {
      color: var(--accent);
      font-size: 0.82rem;
      white-space: nowrap;
    }

    .trust-strip {
      border-bottom: 1px solid var(--line-soft);
      background: rgba(13, 20, 37, 0.68);
    }

    .trust-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 0;
    }

    .trust-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 20px 4px;
    }

    .trust-item + .trust-item {
      border-top: 1px solid var(--line-soft);
    }

    .trust-icon {
      display: inline-flex;
      flex: 0 0 auto;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(242, 163, 60, 0.1);
      border: 1px solid rgba(242, 163, 60, 0.2);
      color: var(--primary);
      font-weight: 700;
    }

    .trust-item strong {
      display: block;
      color: var(--title);
      font-weight: 700;
      font-size: 0.98rem;
    }

    .trust-item p {
      margin: 2px 0 0;
      color: var(--muted);
      font-size: 0.84rem;
      line-height: 1.6;
    }

    @media (min-width: 768px) {
      .trust-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .trust-item {
        padding: 24px 18px;
      }

      .trust-item + .trust-item {
        border-top: 0;
        border-left: 1px solid var(--line-soft);
      }
    }

    .section {
      padding: 68px 0;
    }

    @media (min-width: 767px) {
      .section {
        padding: 88px 0;
      }
    }

    .section-head {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 32px;
    }

    @media (min-width: 768px) {
      .section-head {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
      }
    }

    .eyebrow {
      display: inline-block;
      color: var(--accent);
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .section-title {
      margin: 0;
      color: var(--title);
      font-size: clamp(1.7rem, 2.6vw, 2.25rem);
      font-weight: 800;
      line-height: 1.35;
      letter-spacing: -0.02em;
    }

    .section-lead {
      max-width: 520px;
      margin: 0;
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.8;
    }

    .feature-card {
      display: grid;
      height: 100%;
      background: var(--card);
      border: 1px solid var(--line-soft);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }

    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(242, 163, 60, 0.25);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.34);
    }

    .feature-cover {
      min-height: 220px;
      background: #0d1626;
    }

    .feature-cover img {
      width: 100%;
      height: 100%;
      min-height: 220px;
      object-fit: cover;
    }

    .feature-body {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: flex-start;
      padding: 28px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: 999px;
      border: 1px solid rgba(242, 163, 60, 0.24);
      background: rgba(242, 163, 60, 0.08);
      color: var(--primary);
      font-size: 0.78rem;
      font-weight: 600;
    }

    .badge-jade {
      border-color: rgba(45, 212, 191, 0.24);
      background: rgba(45, 212, 191, 0.08);
      color: var(--accent);
    }

    .feature-title {
      margin-top: 14px;
      color: var(--title);
      font-size: 1.34rem;
      font-weight: 800;
      line-height: 1.45;
    }

    .feature-text {
      margin-top: 12px;
      color: var(--muted);
      font-size: 0.93rem;
      line-height: 1.8;
    }

    .feature-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      margin-top: 22px;
      padding-top: 16px;
      border-top: 1px solid var(--line-soft);
      color: var(--muted);
      font-size: 0.84rem;
    }

    .arrow-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      font-weight: 600;
      transition: gap 0.2s ease, color 0.2s ease;
    }

    .arrow-link:hover {
      gap: 10px;
      color: var(--accent-hover);
    }

    .timeline-panel {
      background: var(--panel);
      border: 1px solid var(--line-soft);
      border-radius: 20px;
      padding: 28px;
      height: 100%;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }

    .timeline-panel h3 {
      margin: 0 0 12px;
      color: var(--title);
      font-size: 1.08rem;
      font-weight: 800;
    }

    .timeline {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .timeline li {
      position: relative;
      display: grid;
      grid-template-columns: 36px 1fr;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid var(--line-soft);
    }

    .timeline li:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .timeline-num {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: 10px;
      background: rgba(45, 212, 191, 0.1);
      border: 1px solid rgba(45, 212, 191, 0.16);
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 800;
    }

    .timeline-body strong {
      display: block;
      color: var(--title);
      font-size: 0.96rem;
      font-weight: 700;
    }

    .timeline-body p {
      margin: 3px 0 0;
      color: var(--muted);
      font-size: 0.85rem;
      line-height: 1.65;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    @media (min-width: 768px) {
      .steps-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .step-card {
      position: relative;
      background: var(--card);
      border: 1px solid var(--line-soft);
      border-radius: 18px;
      padding: 30px 24px;
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .step-card:hover {
      transform: translateY(-2px);
      border-color: rgba(45, 212, 191, 0.2);
    }

    .step-index {
      display: inline-flex;
      margin-bottom: 16px;
      padding: 2px 12px;
      border-radius: 999px;
      background: rgba(45, 212, 191, 0.08);
      color: var(--accent);
      font-size: 0.86rem;
      font-weight: 800;
    }

    .step-card h3 {
      margin: 0 0 10px;
      color: var(--title);
      font-size: 1.05rem;
      font-weight: 800;
    }

    .step-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.75;
    }

    .note-banner {
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      gap: 22px;
      align-items: flex-start;
      border-radius: 24px;
      padding: 34px;
      background:
        linear-gradient(110deg, rgba(11, 16, 31, 0.95), rgba(17, 26, 46, 0.82)),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
      border: 1px solid var(--line);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
    }

    @media (min-width: 768px) {
      .note-banner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 42px 46px;
      }
    }

    .note-banner h2 {
      margin: 12px 0 10px;
      color: var(--title);
      font-size: clamp(1.45rem, 2.4vw, 2rem);
      font-weight: 800;
      line-height: 1.3;
    }

    .note-banner p {
      margin: 0;
      max-width: 640px;
      color: var(--body);
      font-size: 0.96rem;
      line-height: 1.8;
    }

    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      margin-bottom: 12px;
      border-radius: 14px;
      background: var(--panel);
      border: 1px solid var(--line-soft);
      transition: border-color 0.2s ease, background 0.2s ease;
    }

    .faq-item:hover {
      border-color: rgba(45, 212, 191, 0.2);
    }

    .faq-item summary {
      list-style: none;
      position: relative;
      display: block;
      padding: 18px 46px 18px 20px;
      color: var(--title);
      font-size: 0.96rem;
      font-weight: 700;
      cursor: pointer;
      line-height: 1.6;
      border-radius: 14px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      position: absolute;
      right: 18px;
      top: 50%;
      transform: translateY(-50%);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 26px;
      height: 26px;
      border-radius: 999px;
      background: rgba(242, 163, 60, 0.12);
      color: var(--primary);
      font-size: 1.1rem;
      font-weight: 700;
      line-height: 1;
      transition: transform 0.25s ease, background 0.25s ease;
    }

    .faq-item[open] summary::after {
      transform: translateY(-50%) rotate(45deg);
      background: rgba(242, 163, 60, 0.2);
    }

    .faq-answer {
      padding: 0 22px 22px 22px;
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.85;
      border-top: 1px solid var(--line-soft);
    }

    .faq-answer p {
      margin: 0;
      padding-top: 16px;
    }

    .subscribe-wrap {
      border-radius: 24px;
      padding: 34px;
      background: radial-gradient(circle at 80% 30%, rgba(45, 212, 191, 0.07), transparent 40%),
        linear-gradient(140deg, #111A2E, #16233A);
      border: 1px solid var(--line);
      box-shadow: 0 14px 40px rgba(0, 0, 0, 0.26);
    }

    @media (min-width: 900px) {
      .subscribe-wrap {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 36px;
        align-items: center;
        padding: 46px 52px;
      }
    }

    .subscribe-wrap h2 {
      margin: 10px 0 8px;
      color: var(--title);
      font-size: clamp(1.4rem, 2.4vw, 1.9rem);
      font-weight: 800;
    }

    .subscribe-wrap p {
      margin: 0;
      color: var(--body);
      font-size: 0.94rem;
      line-height: 1.8;
    }

    .subscribe-form {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .subscribe-form input[type="email"] {
      flex: 1;
      min-height: 48px;
      padding: 0 16px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.04);
      color: var(--title);
      transition: border-color 0.2s ease, background 0.2s ease;
    }

    .subscribe-form input[type="email"]::placeholder {
      color: var(--muted);
    }

    .subscribe-form input[type="email"]:focus {
      outline: none;
      border-color: var(--accent);
      background: rgba(255, 255, 255, 0.07);
    }

    .form-row {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    @media (min-width: 640px) {
      .subscribe-form {
        flex-direction: row;
      }

      .subscribe-form .btn {
        min-height: 48px;
        padding: 0 24px;
      }
    }

    .form-tip {
      color: var(--muted);
      font-size: 0.78rem;
      line-height: 1.6;
    }

    .site-footer {
      margin-top: 30px;
      background: #0A0F1C;
      border-top: 1px solid var(--line-soft);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1fr;
      gap: 22px;
      padding: 44px 0 28px;
    }

    .footer-brand .brand-logo {
      margin-bottom: 12px;
    }

    .footer-note {
      margin: 10px 0 0;
      max-width: 360px;
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.8;
    }

    .footer-col-title {
      margin-bottom: 12px;
      color: var(--title);
      font-size: 0.95rem;
      font-weight: 700;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      display: inline-block;
      padding: 2px 0;
      color: var(--muted);
      font-size: 0.88rem;
      transition: color 0.2s, transform 0.2s;
    }

    .footer-links a:hover {
      color: var(--accent);
      transform: translateX(2px);
    }

    .domain {
      color: var(--body);
    }

    .footer-bottom {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 20px 0;
      border-top: 1px solid var(--line-soft);
      color: var(--muted);
      font-size: 0.82rem;
    }

    @media (min-width: 768px) {
      .footer-top {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 32px;
        padding: 56px 0 32px;
      }

      .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
      }
    }

    @media (max-width: 1023px) {
      .main-nav {
        position: fixed;
        top: 62px;
        left: 16px;
        right: 16px;
        z-index: 80;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 8px;
        background: rgba(17, 26, 46, 0.98);
        border: 1px solid var(--line);
        border-radius: 16px;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
      }

      .main-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .nav-link {
        padding: 14px 16px;
        border-radius: 10px;
      }

      .nav-link.active::after {
        left: 16px;
        right: auto;
        width: 22px;
        bottom: auto;
        top: 50%;
        transform: translateY(-50%);
        height: 16px;
        border-radius: 4px;
        background: transparent;
        border-left: 2px solid var(--accent);
      }

      .nav-toggle {
        display: inline-flex;
      }
    }