/* roulang page: index */
:root{
  --bg:#070A18;
  --bg2:#0C1226;
  --card:#121A33;
  --primary:#2FD4C6;
  --primary-hover:#5CE6DA;
  --violet:#7A6BFF;
  --gold:#FFB454;
  --text:#EAF0FF;
  --text2:#A9B6D4;
  --text3:#6C7A9C;
  --line:rgba(151,177,255,.14);
  --glass:rgba(255,255,255,.06);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-hover:0 16px 40px -16px rgba(47,212,198,.35);
  --shadow-btn:0 8px 24px -8px rgba(47,212,198,.55);
  --danger:#FF6B8A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 620px at 10% -6%, rgba(47,212,198,.11), transparent 62%),
    radial-gradient(780px 540px at 94% 6%, rgba(122,107,255,.13), transparent 64%);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:104px 0;position:relative;z-index:1;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.28;color:var(--text);}
.section-sub{margin-top:14px;color:var(--text2);font-size:15.5px;line-height:1.9;max-width:680px;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(90deg,var(--primary) 0%,var(--violet) 100%);
  color:#04121B;box-shadow:var(--shadow-btn);
}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 32px -8px rgba(47,212,198,.6);}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 14px -6px rgba(47,212,198,.5);}
.btn--ghost{
  background:rgba(255,255,255,.03);color:var(--text);
  border:1px solid rgba(47,212,198,.42);
}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary-hover);transform:translateY(-2px);background:rgba(47,212,198,.08);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,24,.88);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.brand svg{filter:drop-shadow(0 0 7px rgba(47,212,198,.85));}
.brand__sub{font-size:11px;font-weight:500;color:var(--text3);letter-spacing:.16em;display:block;margin-top:-4px;}
.search{
  flex:1;max-width:400px;position:relative;display:flex;align-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;
  padding:0 16px;height:40px;transition:border-color .2s ease, box-shadow .2s ease;
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,212,198,.16);}
.search svg{flex-shrink:0;opacity:.7;}
.search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text);
  height:100%;padding-left:10px;font-size:14px;
}
.search input::placeholder{color:var(--text3);}
.topbar__cta{margin-left:auto;display:flex;align-items:center;gap:12px;}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text);}
.burger:hover{border-color:var(--primary);color:var(--primary-hover);}

.channelbar{border-top:1px solid rgba(151,177,255,.08);}
.channelbar__scroll{
  display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;
  scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.channelbar__scroll::-webkit-scrollbar{display:none;}
.chan{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 18px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--text2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.chan:hover{color:var(--text);border-color:rgba(47,212,198,.5);}
.chan.is-active{
  color:#EAFEFB;border-color:transparent;
  background:linear-gradient(90deg,rgba(47,212,198,.18),rgba(122,107,255,.18));
  box-shadow:inset 0 0 0 1px rgba(47,212,198,.55), 0 0 18px -4px rgba(47,212,198,.5);
}

/* ============ Hero ============ */
.hero{padding:88px 0 96px;position:relative;z-index:1;overflow:hidden;}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(47,212,198,.35);background:rgba(47,212,198,.07);
  font-size:13px;color:var(--primary-hover);letter-spacing:.04em;margin-bottom:22px;
}
.hero__title{
  font-size:clamp(30px,4.6vw,54px);line-height:1.18;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF 8%,#CFE6FF 46%,#8FE9DF 92%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{margin-top:22px;font-size:17px;line-height:1.9;color:var(--text2);max-width:600px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:32px;}
.hero__points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text2);}
.hero__points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(47,212,198,.9);}
.hero__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.hero__media img{width:100%;height:100%;min-height:400px;object-fit:cover;}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 320px at 74% 14%, rgba(47,212,198,.24), transparent 70%),
    linear-gradient(180deg, rgba(7,10,24,0) 40%, rgba(7,10,24,.62) 100%);
  opacity:.34;pointer-events:none;
}
.hero__badge{
  position:absolute;left:22px;bottom:22px;z-index:2;
  padding:12px 18px;border-radius:14px;
  background:rgba(12,18,38,.78);border:1px solid var(--line);backdrop-filter:blur(12px);
  font-size:13px;color:var(--text2);
}
.hero__badge strong{color:var(--gold);font-size:20px;font-variant-numeric:tabular-nums;margin-right:4px;}

/* ============ Features ============ */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.glass-card{
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.glass-card:hover{border-color:rgba(47,212,198,.45);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.feature-main{grid-column:span 7;padding:34px 34px 0;display:flex;flex-direction:column;}
.feature-side{grid-column:span 5;padding:30px 30px;display:flex;flex-direction:column;justify-content:space-between;}
.feature-index{
  font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--primary);
  display:block;margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.feature-main h3{font-size:24px;color:var(--text);}
.feature-side h3{font-size:20px;color:var(--text);}
.feature-main p,.feature-side p{margin-top:12px;color:var(--text2);font-size:15px;line-height:1.9;max-width:520px;}
.feature-main img{
  margin-top:26px;width:100%;height:210px;object-fit:cover;
  border-radius:14px 14px 0 0;border:1px solid var(--line);border-bottom:0;
}
.feature-side__foot{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:12.5px;color:var(--text2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .2s ease,border-color .2s ease;
}
.chip:hover{color:var(--primary-hover);border-color:rgba(47,212,198,.5);}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:#04121B;background:linear-gradient(90deg,var(--primary),var(--violet));
}
.tag--gold{background:linear-gradient(90deg,var(--gold),#FF9A3D);color:#201302;}

.strip{
  margin-top:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:linear-gradient(90deg,rgba(47,212,198,.07),rgba(122,107,255,.07));
  overflow:hidden;
}
.strip__item{padding:22px 26px;border-right:1px solid var(--line);}
.strip__item:last-child{border-right:0;}
.strip__item strong{display:block;font-size:17px;color:var(--text);margin-bottom:4px;}
.strip__item span{font-size:13px;color:var(--text3);}

/* ============ Showcase ============ */
.showcase__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.showcase__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.showcase__media img{width:100%;height:420px;object-fit:cover;}
.showcase__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(7,10,24,.05) 30%,rgba(7,10,24,.7) 100%);
  opacity:.3;pointer-events:none;
}
.pill-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.pill{
  padding:8px 18px;border-radius:999px;font-size:13.5px;color:var(--text2);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:all .2s ease;
}
.pill:hover{color:var(--text);border-color:rgba(47,212,198,.45);}
.pill.is-active{
  color:#EAFEFB;border-color:transparent;
  background:linear-gradient(90deg,rgba(47,212,198,.2),rgba(122,107,255,.2));
  box-shadow:inset 0 0 0 1px rgba(47,212,198,.6),0 0 16px -4px rgba(47,212,198,.5);
}
.check-list{margin-top:26px;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text2);line-height:1.8;}
.check-list li svg{flex-shrink:0;margin-top:6px;}

/* ============ Proof ============ */
.proof-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  overflow:hidden;
}
.proof-strip__item{padding:30px 28px;border-right:1px solid var(--line);}
.proof-strip__item:last-child{border-right:0;}
.proof-strip__num{font-size:34px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.1;}
.proof-strip__num small{font-size:15px;margin-left:4px;color:var(--text2);font-weight:500;}
.proof-strip__label{margin-top:8px;font-size:14px;color:var(--text3);}
.partner-row{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;
  padding:20px 24px;border:1px solid var(--line);border-radius:var(--radius-md);
  background:rgba(255,255,255,.02);
}
.partner{
  padding:9px 20px;border-radius:10px;font-size:14px;color:var(--text3);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  filter:grayscale(1);opacity:.6;transition:all .25s ease;
}
.partner:hover{filter:grayscale(0);opacity:1;color:var(--primary-hover);border-color:rgba(47,212,198,.5);}
.quote-grid{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.quote-card{
  padding:28px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);transition:border-color .25s ease,box-shadow .25s ease;
}
.quote-card:hover{border-color:rgba(47,212,198,.4);box-shadow:var(--shadow-hover);}
.quote-card p{font-size:15.5px;color:var(--text2);line-height:1.9;}
.quote-card__who{margin-top:22px;display:flex;align-items:center;gap:14px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#04121B;
  background:linear-gradient(135deg,var(--primary),var(--violet));
}
.quote-card__who strong{display:block;font-size:15px;color:var(--text);font-weight:600;}
.quote-card__who span{font-size:13px;color:var(--text3);}

/* ============ Latest (CMS) ============ */
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.link-more{
  font-size:14px;color:var(--primary);border-bottom:1px solid rgba(47,212,198,.4);
  padding-bottom:3px;transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--violet);border-color:var(--violet);}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  border-radius:var(--radius-md);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
  position:relative;overflow:hidden;
}
.post-card:hover{border-color:rgba(47,212,198,.5);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.post-card__link{display:block;padding:26px 24px 22px;height:100%;}
.post-card__tag{
  display:inline-flex;padding:4px 12px;border-radius:999px;font-size:12px;
  color:var(--primary-hover);border:1px solid rgba(47,212,198,.35);background:rgba(47,212,198,.07);
}
.post-card__title{margin-top:16px;font-size:18px;line-height:1.5;color:var(--text);}
.post-card__desc{
  margin-top:10px;font-size:14px;line-height:1.8;color:var(--text2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text3);font-variant-numeric:tabular-nums;
}
.post-card__meta em{font-style:normal;color:var(--primary);}
.empty-state{
  grid-column:1/-1;padding:64px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.02);
}
.empty-state svg{margin:0 auto 18px;opacity:.6;}
.empty-state p{color:var(--text2);font-size:15px;margin-bottom:20px;}

/* ============ Pricing ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.price-card{
  padding:34px 30px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);position:relative;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.price-card:hover{border-color:rgba(47,212,198,.45);box-shadow:var(--shadow-hover);}
.price-card--featured{
  transform:translateY(-8px);border-color:rgba(47,212,198,.6);
  box-shadow:0 20px 50px -22px rgba(47,212,198,.55),0 0 0 1px rgba(47,212,198,.22);
  background:linear-gradient(180deg,rgba(47,212,198,.09),rgba(122,107,255,.06));
}
.price-card--featured:hover{transform:translateY(-11px);}
.price-badge{
  position:absolute;top:-12px;right:26px;padding:5px 14px;border-radius:999px;
  font-size:12px;font-weight:700;color:#201302;
  background:linear-gradient(90deg,var(--gold),#FF9A3D);
  box-shadow:0 6px 18px -6px rgba(255,180,84,.8);
}
.price-card h3{font-size:19px;color:var(--text);}
.price-card__desc{margin-top:8px;font-size:13.5px;color:var(--text3);min-height:44px;}
.price-card__amount{margin-top:18px;display:flex;align-items:baseline;gap:6px;}
.price-card__amount strong{font-size:40px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;line-height:1;}
.price-card__amount span{font-size:14px;color:var(--text3);}
.price-card ul{margin-top:24px;display:grid;gap:12px;}
.price-card li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text2);line-height:1.7;}
.price-card li svg{flex-shrink:0;margin-top:5px;}
.price-card .btn{width:100%;margin-top:28px;}
.billing-toggle{display:flex;gap:10px;margin-bottom:36px;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary-hover);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--primary);background:rgba(47,212,198,.14);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a__inner{padding:0 4px 26px;max-width:780px;font-size:15px;line-height:1.9;color:var(--text2);}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line);
  background:
    linear-gradient(120deg,rgba(47,212,198,.12),rgba(122,107,255,.14)),
    rgba(12,18,38,.9);
  padding:60px 56px;
  box-shadow:0 24px 60px -28px rgba(47,212,198,.45);
}
.cta-block::before{
  content:"";position:absolute;inset:0;opacity:.3;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:38px 38px;
  mask-image:linear-gradient(120deg,#000,transparent 62%);
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 62%);
}
.cta-block__grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cta-block h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.cta-block p{margin-top:16px;font-size:15.5px;color:var(--text2);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.form-card{
  padding:28px;border-radius:var(--radius-md);border:1px solid var(--line);
  background:rgba(7,10,24,.72);backdrop-filter:blur(12px);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:84px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text3);}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,212,198,.16);}
.field.is-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,107,138,.14);}
.field__err{display:none;margin-top:6px;font-size:12.5px;color:var(--danger);}
.field.is-error .field__err{display:block;}
.form-card .btn{width:100%;margin-top:6px;}

/* ============ Footer ============ */
.site-footer{
  margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,18,38,.4),rgba(7,10,24,1));
  padding:72px 0 0;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text);}
.footer-about{margin-top:16px;font-size:14px;color:var(--text3);line-height:1.9;max-width:320px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text3);
  transition:all .22s ease;
}
.socials a:hover{color:var(--primary-hover);border-color:rgba(47,212,198,.55);transform:translateY(-2px);}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:18px;font-weight:600;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--text3);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--primary-hover);padding-left:4px;}
.footer-contact li{font-size:14px;color:var(--text3);line-height:1.9;}
.subscribe{margin-top:18px;display:flex;gap:10px;}
.subscribe input{
  flex:1;min-width:0;padding:11px 14px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:var(--text3);}
.subscribe input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,212,198,.16);}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text3);
}

/* ============ Float CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 24px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:#04121B;background:linear-gradient(90deg,var(--primary),var(--violet));
  box-shadow:var(--shadow-btn);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,box-shadow .25s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{box-shadow:0 16px 38px -10px rgba(47,212,198,.7);}

/* ============ Drawer ============ */
.drawer{
  position:fixed;top:64px;left:0;right:0;z-index:55;
  background:rgba(7,10,24,.98);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);padding:22px 24px 28px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer__search{margin-bottom:18px;}
.drawer__title{font-size:12px;letter-spacing:.16em;color:var(--text3);margin:6px 0 12px;}
.drawer__list{display:grid;gap:10px;}
.drawer__list a{
  padding:12px 16px;border-radius:12px;border:1px solid var(--line);
  font-size:15px;color:var(--text2);
}
.drawer__list a.is-active{color:#EAFEFB;border-color:rgba(47,212,198,.55);background:rgba(47,212,198,.1);}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .section{padding:76px 0;}
  .hero{padding:64px 0 72px;}
  .hero__grid{grid-template-columns:1fr;gap:38px;}
  .hero__media img{min-height:300px;}
  .feature-main{grid-column:span 12;}
  .feature-side{grid-column:span 6;}
  .showcase__grid{grid-template-columns:1fr;gap:34px;}
  .showcase__media img{height:320px;}
  .proof-strip{grid-template-columns:repeat(2,1fr);}
  .proof-strip__item:nth-child(2){border-right:0;}
  .proof-strip__item:nth-child(1),.proof-strip__item:nth-child(2){border-bottom:1px solid var(--line);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;}
  .price-card--featured{transform:none;}
  .price-card--featured:hover{transform:translateY(-3px);}
  .cta-block{padding:44px 34px;}
  .cta-block__grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .strip{grid-template-columns:repeat(2,1fr);}
  .strip__item:nth-child(2){border-right:0;}
  .strip__item:nth-child(1),.strip__item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .search{display:none;}
  .topbar__cta .btn{display:none;}
  .burger{display:flex;}
  .hero__title{font-size:30px;}
  .hero__lead{font-size:15.5px;}
  .feature-side{grid-column:span 12;}
  .feature-main{padding:26px 24px 0;}
  .post-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .proof-strip{grid-template-columns:1fr;}
  .proof-strip__item{border-right:0;border-bottom:1px solid var(--line);}
  .strip{grid-template-columns:1fr;}
  .strip__item{border-right:0;border-bottom:1px solid var(--line);}
  .strip__item:last-child{border-bottom:0;}
  .proof-strip__item:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-block{padding:34px 22px;}
  .faq-q{font-size:15.5px;padding:20px 2px;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;justify-content:center;
    padding:15px 20px;transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:520px){
  .brand{font-size:17px;}
  .hero__actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
}

/* roulang page: article */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --card:#121A33;
  --primary:#2FD4C6;
  --primary-h:#5CE6DA;
  --secondary:#7A6BFF;
  --gold:#FFB454;
  --text:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6C7A9C;
  --line:rgba(151,177,255,.14);
  --line-strong:rgba(151,177,255,.24);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(47,212,198,.35);
  --shadow-glow:0 8px 24px -8px rgba(47,212,198,.55);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:inherit;text-decoration:none;transition:color .2s,border-color .2s,background .2s;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}

#readProgress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:95;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  transition:width .1s linear;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,10,24,.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar{height:64px;display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;white-space:nowrap;color:var(--text);}
.brand:hover{color:var(--primary-h);}
.brand__sub{display:block;font-size:9px;letter-spacing:.2em;color:var(--text-3);font-weight:500;line-height:1;margin-top:4px;}
.search{
  flex:1;max-width:340px;display:flex;align-items:center;gap:9px;
  height:38px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .2s,box-shadow .2s;
}
.search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.search input::placeholder{color:var(--text-3);}
.search:focus-within{border-color:rgba(47,212,198,.6);box-shadow:0 0 0 3px rgba(47,212,198,.14);}
.topbar__cta{margin-left:auto;display:flex;align-items:center;gap:12px;}
.burger{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text-2);}
.burger:hover{color:var(--primary);border-color:rgba(47,212,198,.5);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s,color .2s;
}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn--primary{background:linear-gradient(90deg,var(--primary),var(--secondary));color:#fff;box-shadow:var(--shadow-glow);}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 32px -8px rgba(47,212,198,.6);}
.btn--primary:active{transform:translateY(0);filter:brightness(.98);}
.btn--ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.03);}
.btn--ghost:hover{transform:translateY(-2px);border-color:rgba(47,212,198,.55);color:#fff;box-shadow:0 10px 26px -14px rgba(47,212,198,.6);}

.channelbar{border-top:1px solid var(--line);background:rgba(12,18,38,.72);}
.channelbar__scroll{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channelbar__scroll::-webkit-scrollbar{display:none;}
.chan{
  flex:0 0 auto;padding:7px 18px;border-radius:999px;
  border:1px solid var(--line);font-size:14px;color:var(--text-2);
  white-space:nowrap;scroll-snap-align:start;
}
.chan:hover{color:#fff;border-color:rgba(47,212,198,.5);background:rgba(47,212,198,.08);}
.chan.is-active{
  color:#fff;border-color:transparent;
  background:linear-gradient(90deg,rgba(47,212,198,.2),rgba(122,107,255,.2));
  box-shadow:inset 0 0 0 1px rgba(47,212,198,.55),0 0 18px -8px rgba(47,212,198,.85);
}

.drawer{
  display:none;position:fixed;left:0;right:0;top:64px;z-index:69;
  background:rgba(8,12,28,.98);border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);padding:20px 24px 26px;
}
.drawer.is-open{display:block;}
.drawer .search{max-width:none;margin-bottom:16px;}
.drawer__list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.drawer__list a{padding:7px 14px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--text-2);}
.drawer__list a:hover{color:#fff;border-color:rgba(47,212,198,.5);}

/* ---------- article head ---------- */
.article-hero{padding:48px 0 0;scroll-margin-top:130px;}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.55;}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;height:27px;padding:0 13px;
  border-radius:999px;font-size:12.5px;color:var(--primary);
  background:rgba(47,212,198,.1);border:1px solid rgba(47,212,198,.32);
}
.tag-pill--violet{color:#B9B0FF;background:rgba(122,107,255,.12);border-color:rgba(122,107,255,.34);}
.article-title{font-size:clamp(28px,4vw,44px);line-height:1.22;margin-top:18px;max-width:940px;}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px;font-size:13.5px;color:var(--text-3);}
.meta-row strong{color:var(--text-2);font-weight:600;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.cover-wrap{margin-top:34px;}
.cover{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.cover img{width:100%;height:auto;border-radius:0;}
.figcap{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ---------- article body ---------- */
.article-main{padding:56px 0 0;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start;}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:#D6DFF5;scroll-margin-top:130px;}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.35;
  margin-top:2em;padding-left:14px;color:var(--text);scroll-margin-top:130px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.22em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
}
.article-body h3{font-size:18px;margin-top:1.6em;color:var(--text);scroll-margin-top:130px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--secondary);}
.article-body strong{color:var(--text);}
.article-body ul,.article-body ol{padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-radius:12px;
  border:1px solid var(--line);border-left:4px solid var(--primary);
  background:rgba(255,255,255,.05);color:var(--text-2);
}
.article-body blockquote p{margin:0;}
.article-body table{
  width:100%;display:block;overflow-x:auto;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body thead th{background:rgba(255,255,255,.05);color:var(--text);}
.article-body pre{
  background:#0A1024;border:1px solid var(--line);border-radius:12px;
  padding:16px;overflow-x:auto;font-size:13.5px;line-height:1.7;
}
.article-body code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body pre code{background:none;padding:0;}
.article-body img{margin:1.4em 0;border-radius:14px;}

.empty-state{
  padding:56px 28px;text-align:center;border-radius:var(--radius);
  border:1px dashed var(--line-strong);background:rgba(255,255,255,.04);
}
.empty-state svg{margin:0 auto 16px;display:block;}
.empty-state h3{font-size:19px;color:var(--text);}
.empty-state p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.empty-state .btn{margin-top:22px;}

.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  padding:20px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(255,255,255,.055);backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);}
.side-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
.toc{display:block;padding:7px 0 7px 12px;border-left:2px solid var(--line);font-size:14px;color:var(--text-2);line-height:1.55;}
.toc:hover{color:var(--primary);border-left-color:var(--primary);background:rgba(47,212,198,.06);}
.toc.is-level3{padding-left:26px;font-size:13px;color:var(--text-3);}
.side-link{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);line-height:1.55;}
.side-link:last-child{border-bottom:0;padding-bottom:0;}
.side-link:hover{color:var(--primary);}
.side-link span{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}

/* ---------- related ---------- */
.related{padding:88px 0 0;scroll-margin-top:130px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head .sub{margin-top:10px;font-size:14px;color:var(--text-3);}
.link-more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--secondary);}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;padding:20px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-3px);border-color:rgba(47,212,198,.5);box-shadow:var(--shadow-2);}
.card__thumb{border-radius:14px;overflow:hidden;margin-bottom:16px;border:1px solid var(--line);}
.card__thumb img{width:100%;height:170px;object-fit:cover;border-radius:0;transition:transform .35s;}
.card:hover .card__thumb img{transform:translateY(-3px) scale(1.02);}
.card h3{font-size:17px;line-height:1.5;}
.card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);}
.card__meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);display:flex;justify-content:space-between;gap:10px;}

/* ---------- cta ---------- */
.cta-wrap{padding:88px 0 0;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:46px;
  border:1px solid var(--line-strong);
  background:linear-gradient(125deg,rgba(47,212,198,.14),rgba(122,107,255,.16));
  backdrop-filter:blur(16px);box-shadow:var(--shadow-1);
}
.cta-card::after{
  content:"";position:absolute;inset:-40% -10% auto auto;width:420px;height:420px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(47,212,198,.22),transparent 62%);opacity:.32;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center;}
.cta-card h2{font-size:clamp(23px,2.6vw,32px);}
.cta-card p{margin-top:14px;font-size:15px;color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.cta-form{display:flex;flex-direction:column;gap:14px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input{
  width:100%;height:46px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(10,16,36,.75);border:1px solid var(--line);color:var(--text);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,212,198,.16);}
.form-hint{font-size:12.5px;color:var(--text-3);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,#080C1C,#060913);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li + li{margin-top:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.8;color:var(--text-2);max-width:340px;}
.footer-contact{font-size:14px;color:var(--text-2);line-height:2;}
.footer-contact strong{color:var(--text);font-weight:600;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.socials a:hover{color:var(--primary);border-color:rgba(47,212,198,.5);background:rgba(47,212,198,.08);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 22px;
  border-radius:999px;font-weight:600;font-size:15px;color:#fff;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  box-shadow:0 12px 32px -10px rgba(47,212,198,.7);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s,transform .3s;
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.float-cta:hover{filter:brightness(1.06);}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .sidebar{position:static;top:auto;}
  .cards-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .container{padding:0 24px;}
  .search{display:none;}
  .burger{display:flex;}
  .topbar__cta .btn{display:none;}
  .article-hero{padding-top:36px;}
  .related, .cta-wrap{padding-top:72px;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .article-body{font-size:15px;line-height:1.88;}
  .cards-3{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-card{padding:30px 22px;}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:54px;border-radius:0;
    justify-content:center;transform:translateY(100%);
  }
  .float-cta.is-visible{transform:none;}
  .site-footer{padding-bottom:54px;}
  .article-title{font-size:clamp(24px,7vw,32px);}
}

/* roulang page: category1 */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --card:#121A33;
  --primary:#2FD4C6;
  --primary-hover:#5CE6DA;
  --secondary:#7A6BFF;
  --gold:#FFB454;
  --text:#EAF0FF;
  --muted:#A9B6D4;
  --weak:#6C7A9C;
  --line:rgba(151,177,255,.14);
  --line-strong:rgba(47,212,198,.45);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-hover:0 16px 40px -16px rgba(47,212,198,.35);
  --glow:0 8px 24px -8px rgba(47,212,198,.55);
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
svg{display:block;}
::selection{background:rgba(47,212,198,.35);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section__head{max-width:760px;margin-bottom:44px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.kicker::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);}
.section__head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.section__head p{color:var(--muted);font-size:15.5px;max-width:680px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease,color .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--primary{
  background:linear-gradient(90deg,var(--primary) 0%,#4FBEDB 45%,var(--secondary) 100%);
  color:#04121C;font-weight:700;
  box-shadow:var(--glow);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px -8px rgba(47,212,198,.7);filter:brightness(1.06);}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 14px -6px rgba(47,212,198,.6);}
.btn--ghost{border-color:var(--line);background:rgba(255,255,255,.03);color:var(--text);}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--primary);background:rgba(47,212,198,.08);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled]{opacity:.45;pointer-events:none;}

.link{color:var(--primary);font-size:14.5px;font-weight:600;border-bottom:1px solid rgba(47,212,198,.4);padding-bottom:2px;transition:color .25s ease,border-color .25s ease;}
.link:hover{color:var(--secondary);border-color:rgba(122,107,255,.6);}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,10,24,.86);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand span:first-child,
.brand > span{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.1;display:block;}
.brand__sub{display:block;font-size:9.5px;letter-spacing:.2em;color:var(--weak);font-weight:500;margin-top:3px;}
.search{
  flex:1 1 auto;max-width:380px;display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(47,212,198,.14);}
.search input{flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;min-width:0;}
.search input::placeholder{color:var(--weak);}
.topbar__cta{display:flex;align-items:center;gap:12px;margin-left:auto;}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);color:var(--muted);transition:.25s ease;}
.burger:hover{color:var(--primary);border-color:var(--line-strong);}

.channelbar{border-top:1px solid var(--line);background:rgba(12,18,38,.62);}
.channelbar__scroll{
  display:flex;gap:10px;overflow-x:auto;padding:9px 0;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.channelbar__scroll::-webkit-scrollbar{display:none;}
.chan{
  position:relative;flex:0 0 auto;padding:8px 18px;border-radius:999px;font-size:14px;
  color:var(--muted);border:1px solid transparent;white-space:nowrap;
  scroll-snap-align:start;transition:.25s ease;
}
.chan:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);}
.chan.is-active{
  color:#FFFFFF;font-weight:600;
  background:linear-gradient(135deg,rgba(47,212,198,.18),rgba(122,107,255,.2));
  box-shadow:inset 0 0 18px rgba(47,212,198,.28);
}
.chan.is-active::after{
  content:"";position:absolute;inset:0;border-radius:999px;padding:1px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;display:none;
}
.drawer.is-open{display:block;}
.drawer__mask{position:absolute;inset:0;background:rgba(4,7,16,.72);backdrop-filter:blur(4px);}
.drawer__panel{
  position:absolute;top:0;right:0;width:min(360px,86vw);height:100%;
  background:linear-gradient(180deg,#0C1226,#080D1E);
  border-left:1px solid var(--line);padding:22px 20px 40px;
  overflow-y:auto;box-shadow:-20px 0 50px -20px rgba(0,0,0,.8);
}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__head strong{font-size:16px;}
.drawer__close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);}
.drawer__close:hover{color:var(--primary);}
.drawer .search{max-width:none;width:100%;margin-bottom:22px;}
.drawer__group-title{font-size:12px;letter-spacing:.16em;color:var(--weak);margin-bottom:12px;}
.drawer__links{display:flex;flex-direction:column;gap:4px;}
.drawer__links a{padding:11px 14px;border-radius:12px;font-size:15px;color:var(--muted);border:1px solid transparent;transition:.25s ease;}
.drawer__links a:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);}
.drawer__links a.is-active{color:var(--primary);background:rgba(47,212,198,.1);border-color:rgba(47,212,198,.3);}

/* 面包屑 */
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--weak);margin-bottom:18px;}
.crumbs a{color:var(--muted);transition:color .25s ease;}
.crumbs a:hover{color:var(--primary);}
.crumbs em{font-style:normal;color:var(--primary);}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:64px 0 84px;
  background:
    radial-gradient(120% 90% at 80% 6%, rgba(122,107,255,.24) 0%, transparent 58%),
    radial-gradient(90% 70% at 10% 0%, rgba(47,212,198,.16) 0%, transparent 55%),
    var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;
  background-image:radial-gradient(circle, rgba(234,240,255,.75) 1px, transparent 1px);
  background-size:96px 96px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 80%);
  mask-image:radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 80%);
}
.hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--primary);background:rgba(47,212,198,.09);
  border:1px solid rgba(47,212,198,.28);margin-bottom:20px;
}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;margin-bottom:20px;}
.hero h1 .hl{
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:var(--muted);font-size:16px;max-width:620px;margin-bottom:30px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px;}
.hero__stats li{
  flex:1 1 130px;min-width:120px;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.hero__stats strong{
  display:block;font-size:26px;font-weight:700;color:var(--gold);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.hero__stats span{font-size:13px;color:var(--muted);}
.hero__media{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 70px -34px rgba(47,212,198,.5);}
.hero__media img{width:100%;aspect-ratio:4/3.2;object-fit:cover;opacity:.92;}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,24,0) 40%,rgba(7,10,24,.72) 100%);
}
.hero__badge{
  position:absolute;left:18px;bottom:18px;z-index:3;
  display:flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:14px;
  background:rgba(12,18,38,.72);border:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.hero__badge span{font-size:12.5px;color:var(--muted);}
.hero__badge strong{font-size:24px;color:var(--primary);font-variant-numeric:tabular-nums;}

/* 页内导航 */
.subnav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(12,18,38,.5);}
.subnav__inner{display:flex;gap:10px;overflow-x:auto;padding:14px 24px;scrollbar-width:none;}
.subnav__inner::-webkit-scrollbar{display:none;}
.subnav__inner a{
  flex:0 0 auto;font-size:14px;color:var(--muted);padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);transition:.25s ease;
}
.subnav__inner a:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(47,212,198,.08);}

/* 网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}

/* 大图卡 */
.bigcard{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.bigcard:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.bigcard__media{position:relative;overflow:hidden;aspect-ratio:16/9;}
.bigcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.bigcard:hover .bigcard__media img{transform:scale(1.045);}
.bigcard__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,0) 45%,rgba(7,10,24,.8) 100%);}
.bigcard__body{padding:26px 26px 28px;}
.bigcard__body h3{font-size:21px;margin:14px 0 12px;}
.bigcard__body p{color:var(--muted);font-size:15px;margin-bottom:18px;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--primary);background:rgba(47,212,198,.1);border:1px solid rgba(47,212,198,.26);
}
.pill--purple{color:#B4AAFF;background:rgba(122,107,255,.12);border-color:rgba(122,107,255,.3);}
.pill--gold{color:var(--gold);background:rgba(255,180,84,.12);border-color:rgba(255,180,84,.3);}
.pill--muted{color:var(--muted);background:rgba(255,255,255,.05);border-color:var(--line);}

.ticks{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.ticks li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted);}
.ticks li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  opacity:.85;
}

/* 条目卡 */
.itemcard{
  padding:20px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;
}
.itemcard:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.itemcard__icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,212,198,.16),rgba(122,107,255,.16));
  border:1px solid var(--line);color:var(--primary);margin-bottom:16px;
}
.itemcard h3{font-size:17px;margin-bottom:9px;}
.itemcard p{font-size:14.5px;color:var(--muted);flex:1;}
.itemcard__meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);}

/* 数据条 */
.databar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--line);
}
.databar__cell{background:rgba(12,18,38,.86);padding:28px 24px;}
.databar__cell strong{
  display:block;font-size:32px;font-weight:700;color:var(--gold);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.databar__cell strong small{font-size:15px;font-weight:600;margin-left:4px;color:var(--muted);}
.databar__cell span{display:block;font-size:13.5px;color:var(--muted);margin-top:8px;}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.flow__step{
  position:relative;padding:24px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.035);
  backdrop-filter:blur(12px);transition:.3s ease;
}
.flow__step:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.flow__num{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--primary);
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.flow__step h3{font-size:17px;margin-bottom:10px;}
.flow__step p{font-size:14.5px;color:var(--muted);}

/* 场景 */
.scene{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.scene__media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);position:relative;}
.scene__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.scene__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,24,0) 50%,rgba(7,10,24,.7) 100%);}
.scene__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.scene__item{
  padding:20px;border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(255,255,255,.035);transition:.3s ease;
}
.scene__item:hover{border-color:var(--line-strong);background:rgba(47,212,198,.06);}
.scene__item h3{font-size:16px;margin-bottom:8px;}
.scene__item p{font-size:14px;color:var(--muted);}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .25s ease;
}
.faq__q:hover{color:var(--primary);}
.faq__q svg{flex:0 0 auto;color:var(--primary);transition:transform .35s ease;}
.faq__item.is-open .faq__q{color:var(--primary);}
.faq__item.is-open .faq__q svg{transform:rotate(45deg);}
.faq__a{
  max-width:780px;overflow:hidden;max-height:0;opacity:0;
  font-size:15px;color:var(--muted);
  transition:max-height .38s ease,opacity .3s ease,padding .3s ease;
}
.faq__item.is-open .faq__a{max-height:340px;opacity:1;padding-bottom:22px;}

/* CTA */
.cta{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid var(--line);padding:56px 48px;
  background:
    radial-gradient(80% 120% at 88% 0%, rgba(122,107,255,.3) 0%, transparent 60%),
    radial-gradient(70% 110% at 5% 100%, rgba(47,212,198,.22) 0%, transparent 60%),
    rgba(12,18,38,.86);
  backdrop-filter:blur(16px);
}
.cta::before{
  content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:radial-gradient(circle, rgba(234,240,255,.8) 1px, transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:radial-gradient(70% 90% at 60% 20%, #000 0%, transparent 78%);
  mask-image:radial-gradient(70% 90% at 60% 20%, #000 0%, transparent 78%);
}
.cta__grid{position:relative;z-index:2;display:grid;grid-template-columns:5fr 6fr;gap:44px;align-items:center;}
.cta h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px;}
.cta p.lead{color:var(--muted);font-size:15.5px;}

.subscribe{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--muted);}
.field input{
  height:46px;padding:0 16px;border-radius:var(--r-sm);
  background:rgba(7,10,24,.72);border:1px solid var(--line);color:var(--text);
  outline:none;transition:border-color .25s ease,box-shadow .25s ease;width:100%;
}
.field input::placeholder{color:var(--weak);}
.field input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(47,212,198,.16);}
.subscribe .btn{grid-column:1 / -1;}
.subscribe .form-note{grid-column:1 / -1;font-size:13px;color:var(--weak);}

/* 页脚 */
.site-footer{
  margin-top:96px;padding:72px 0 32px;
  background:linear-gradient(180deg,#080D1E 0%,#05080F 100%);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-about{font-size:14px;color:var(--muted);max-width:340px;}
.socials{display:flex;gap:10px;margin-top:22px;}
.socials a{
  width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--muted);transition:.25s ease;
}
.socials a:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(47,212,198,.09);}
.footer-col h4{font-size:14px;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a,.footer-col ul li span{font-size:14px;color:var(--muted);transition:color .25s ease;}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--weak);
}
.footer-bottom a{color:var(--weak);}
.footer-bottom a:hover{color:var(--primary);}

/* 响应式 */
@media (max-width:1100px){
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero__media{max-width:640px;}
  .scene{grid-template-columns:1fr;gap:32px;}
  .cta__grid{grid-template-columns:1fr;gap:32px;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:960px){
  .section{padding:72px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .databar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .search{display:none;}
  .burger{display:inline-flex;}
  .topbar__cta .btn{display:none;}
}
@media (max-width:760px){
  .container{padding:0 18px;}
  .subnav__inner{padding:12px 18px;}
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .scene__list{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .cta{padding:40px 24px;border-radius:22px;}
  .subscribe{grid-template-columns:1fr;}
  .hero{padding:48px 0 64px;}
  .hero__stats li{flex:1 1 45%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-about{max-width:none;}
  .site-footer{margin-top:64px;padding:56px 0 28px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .section{padding:56px 0;}
  .section__head{margin-bottom:32px;}
  .bigcard__body{padding:20px;}
  .databar{grid-template-columns:1fr;}
  .hero__actions .btn{width:100%;}
  .hero__stats{gap:10px;}
  .hero__stats li{padding:14px;}
  .hero__stats strong{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --card:#121A33;
  --primary:#2FD4C6;
  --primary-hi:#5CE6DA;
  --accent:#7A6BFF;
  --gold:#FFB454;
  --text:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6C7A9C;
  --line:rgba(151,177,255,.14);
  --line-strong:rgba(47,212,198,.5);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(47,212,198,.35);
  --glow:0 8px 24px -8px rgba(47,212,198,.55);
  --sp:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 380px at 12% -4%, rgba(122,107,255,.16), transparent 70%),
    radial-gradient(520px 320px at 92% 6%, rgba(47,212,198,.12), transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(47,212,198,.32)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn--primary{background:linear-gradient(90deg,#2FD4C6 0%,#7A6BFF 100%);color:#fff;box-shadow:var(--glow)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px -8px rgba(47,212,198,.6);filter:brightness(1.06)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{border-color:var(--line);background:rgba(255,255,255,.03);color:var(--text)}
.btn--ghost:hover{border-color:var(--line-strong);color:var(--primary-hi);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,24,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);flex:0 0 auto}
.brand svg{flex:0 0 auto;filter:drop-shadow(0 0 6px rgba(47,212,198,.55))}
.brand__sub{display:block;font-size:9.5px;letter-spacing:.2em;color:var(--text-3);font-weight:500;line-height:1.4}
.search{
  display:flex;align-items:center;gap:9px;
  flex:1 1 auto;max-width:330px;height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(47,212,198,.14)}
.search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;min-width:0}
.search input::placeholder{color:var(--text-3)}
.topbar__cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;
  transition:border-color .25s ease,color .25s ease;
}
.burger:hover{border-color:var(--line-strong);color:var(--primary-hi)}
.channelbar{border-top:1px solid var(--line);background:rgba(9,13,30,.55)}
.channelbar__scroll{
  display:flex;gap:8px;overflow-x:auto;padding:9px 0;
  scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channelbar__scroll::-webkit-scrollbar{display:none;height:0}
.chan{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 18px;border-radius:var(--r-pill);font-size:14px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.chan:hover{color:var(--text);border-color:rgba(47,212,198,.45)}
.chan.is-active{
  color:#fff;border-color:transparent;
  background:linear-gradient(90deg,rgba(47,212,198,.24),rgba(122,107,255,.24));
  box-shadow:inset 0 0 0 1px rgba(47,212,198,.65),0 0 18px -6px rgba(47,212,198,.65);
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(8,11,26,.98);
  padding:18px 0 22px;
}
.drawer.is-open{display:block}
.drawer .search{max-width:none;margin-bottom:14px}
.drawer nav{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 页面 Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);scroll-margin-top:130px}
.page-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center right;opacity:.3}
.page-hero__mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,10,24,.97) 8%,rgba(7,10,24,.82) 48%,rgba(7,10,24,.4) 100%)}
.page-hero__inner{position:relative;z-index:2;padding:62px 0 54px;max-width:850px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary-hi)}
.crumbs span{color:var(--text-3)}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:700;margin-bottom:16px}
.hero-sub{font-size:17px;line-height:1.9;color:var(--text-2);max-width:700px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.pill--gold{color:var(--gold);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}
.pill--cyan{color:var(--primary-hi);border-color:rgba(47,212,198,.35);background:rgba(47,212,198,.08)}

/* ---------- 页内锚点导航 ---------- */
.subnav{position:relative;z-index:2;background:rgba(9,13,30,.5);border-bottom:1px solid var(--line)}
.subnav__scroll{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.subnav__scroll::-webkit-scrollbar{display:none}
.subnav a{
  flex:0 0 auto;font-size:13.5px;color:var(--text-2);
  padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  transition:color .25s ease,border-color .25s ease;
}
.subnav a:hover{color:var(--primary-hi);border-color:var(--line-strong)}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0;scroll-margin-top:130px;position:relative}
.section--tight{padding:64px 0}
.section-head{margin-bottom:34px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--primary);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent)}
h2{font-size:clamp(24px,3vw,36px);line-height:1.28;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15.5px}
h3{font-size:19px;line-height:1.45;margin-bottom:8px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);box-shadow:var(--shadow-1);overflow:hidden;
}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__num{font-size:32px;font-weight:700;color:var(--gold);line-height:1.1;font-variant-numeric:tabular-nums}
.stat__num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--text-2)}
.stat__label{margin-top:8px;font-size:13.5px;color:var(--text-2)}

/* ---------- 主体 8:4 ---------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.feed{display:flex;flex-direction:column;gap:20px}
.feed-card{
  display:grid;grid-template-columns:224px minmax(0,1fr);gap:22px;
  padding:20px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.feed-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.feed-card__media{border-radius:14px;overflow:hidden;background:var(--card);min-height:168px;position:relative}
.feed-card__media img{width:100%;height:100%;min-height:168px;object-fit:cover;transition:transform .5s ease}
.feed-card:hover .feed-card__media img{transform:scale(1.05)}
.feed-card__body{display:flex;flex-direction:column;min-width:0}
.feed-card__title{font-size:19px;font-weight:600;line-height:1.45;margin:10px 0 8px}
.feed-card__title a:hover{color:var(--primary-hi)}
.feed-card__desc{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-card__meta{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  margin-top:auto;padding-top:14px;font-size:13px;color:var(--text-3);
}
.feed-card__meta span{display:inline-flex;align-items:center;gap:6px}
.more-link{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.more-link:hover{color:var(--accent)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .25s ease,border-color .25s ease;
}
.tag:hover{color:var(--primary-hi);border-color:var(--line-strong)}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:132px}
.side-card{
  padding:22px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;align-items:center}
.side-item img{width:64px;height:52px;object-fit:cover;border-radius:10px}
.side-item b{display:block;font-size:14px;font-weight:600;line-height:1.5}
.side-item b:hover{color:var(--primary-hi)}
.side-item em{font-style:normal;font-size:12px;color:var(--text-3)}
.side-note{font-size:13.5px;color:var(--text-2);margin-bottom:16px}

/* ---------- 场景卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  padding:22px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.card__no{font-size:13px;letter-spacing:.14em;color:var(--primary);font-variant-numeric:tabular-nums}
.card h3{margin:10px 0 8px}
.card p{font-size:14.5px;color:var(--text-2)}
.check{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.check li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7}
.check svg{flex:0 0 auto;margin-top:6px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;position:relative}
.step{
  padding:22px 20px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.035);
  transition:border-color .28s ease,background .28s ease,transform .28s ease;
}
.step:hover{border-color:var(--line-strong);background:rgba(47,212,198,.06);transform:translateY(-3px)}
.step__no{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#06131e;background:linear-gradient(135deg,var(--primary),var(--accent));
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.8px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{margin-top:8px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:16.5px;font-weight:600;
  transition:color .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-hi)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--primary);
  transition:transform .3s ease,border-color .3s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--line-strong)}
.faq-answer{max-width:780px;padding:0 4px 24px;font-size:15px;color:var(--text-2);animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- CTA ---------- */
.cta-wrap{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(47,212,198,.1),rgba(122,107,255,.12));
  backdrop-filter:blur(16px);box-shadow:var(--shadow-1);
  padding:44px;
}
.cta-wrap::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 220px at 88% 12%,rgba(255,180,84,.14),transparent 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start}
.cta-grid p{color:var(--text-2);font-size:15px;margin-top:12px}
.cta-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;gap:9px;font-size:14.5px;color:var(--text-2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:var(--r-sm);
  background:rgba(7,10,24,.62);border:1px solid var(--line);color:var(--text);
  outline:none;transition:border-color .25s ease,box-shadow .25s ease;font-size:14.5px;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(47,212,198,.16)}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:12px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:50;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  background:linear-gradient(90deg,#2FD4C6,#7A6BFF);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 12px 30px -10px rgba(47,212,198,.7);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.float-cta:hover{filter:brightness(1.07);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,13,30,.5),rgba(5,7,18,.98));
  padding:64px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand svg{filter:drop-shadow(0 0 6px rgba(47,212,198,.5))}
.footer-about{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:color .25s ease,border-color .25s ease,transform .25s ease;
}
.socials a:hover{color:var(--primary-hi);border-color:var(--line-strong);transform:translateY(-2px)}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .25s ease}
.footer-col a:hover{color:var(--primary-hi)}
.footer-col p{font-size:14px;color:var(--text-2)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .layout{grid-template-columns:1fr;gap:28px}
  .side{position:static}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .search{display:none}
  .burger{display:flex}
  .topbar__cta .btn{display:none}
  .feed-card{grid-template-columns:1fr;gap:16px}
  .feed-card__media{min-height:190px}
  .steps{grid-template-columns:1fr 1fr}
  .cta-wrap{padding:30px 22px}
  .page-hero__inner{padding:46px 0 42px}
  .section{padding:56px 0}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;height:56px;justify-content:center;
    padding:0 16px;
  }
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15px}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .brand{font-size:16px}
}

/* roulang page: category3 */
:root{
  --bg:#070A18;
  --bg2:#0C1226;
  --card:#121A33;
  --primary:#2FD4C6;
  --primary-h:#5CE6DA;
  --secondary:#7A6BFF;
  --gold:#FFB454;
  --text:#EAF0FF;
  --text2:#A9B6D4;
  --text3:#6C7A9C;
  --line:rgba(151,177,255,.14);
  --glass:rgba(255,255,255,.06);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-h:0 16px 40px -16px rgba(47,212,198,.35);
  --glow:0 8px 24px -8px rgba(47,212,198,.55);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.28;letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.4;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,opacity .22s ease;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  color:#04121A;box-shadow:var(--glow);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px -8px rgba(47,212,198,.6);filter:brightness(1.06);}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 14px -8px rgba(47,212,198,.6);}
.btn--ghost{
  border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.03);
}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary-h);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:9px 16px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.45;pointer-events:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,10,24,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);flex-shrink:0;}
.brand svg{flex-shrink:0;filter:drop-shadow(0 0 6px rgba(47,212,198,.55));}
.brand__sub{display:block;font-size:9px;font-weight:500;letter-spacing:.18em;color:var(--text3);line-height:1;}
.search{
  display:flex;align-items:center;gap:8px;flex:1;max-width:380px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,212,198,.14);}
.search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--text);}
.search input::placeholder{color:var(--text3);}
.topbar__cta{margin-left:auto;display:flex;align-items:center;gap:10px;}
.burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--text2);
}
.burger:hover{border-color:var(--primary);color:var(--primary-h);}

.channelbar{border-top:1px solid rgba(151,177,255,.08);}
.channelbar__scroll{
  display:flex;gap:10px;align-items:center;height:48px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channelbar__scroll::-webkit-scrollbar{display:none;}
.chan{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 18px;border-radius:999px;font-size:14px;color:var(--text2);
  border:1px solid rgba(151,177,255,.16);background:rgba(255,255,255,.02);
  transition:all .2s ease;
}
.chan:hover{color:var(--primary-h);border-color:rgba(47,212,198,.5);}
.chan.is-active{
  color:#EAF7FF;border-color:transparent;
  background:linear-gradient(90deg,rgba(47,212,198,.22),rgba(122,107,255,.22));
  box-shadow:inset 0 0 0 1px rgba(47,212,198,.55),0 0 18px -6px rgba(47,212,198,.6);
}
.drawer{display:none;border-top:1px solid var(--line);background:var(--bg2);padding:16px 0 20px;}
.drawer.is-open{display:block;}
.drawer .search{max-width:none;margin-bottom:14px;}
.drawer__list{display:flex;flex-direction:column;gap:8px;}
.drawer__list a{padding:10px 14px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:14px;color:var(--text2);}
.drawer__list a.is-active{color:var(--primary-h);border-color:rgba(47,212,198,.5);background:rgba(47,212,198,.08);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:72px 0 64px;
  background:
    radial-gradient(680px 320px at 82% 12%,rgba(122,107,255,.22),transparent 70%),
    radial-gradient(520px 300px at 12% 90%,rgba(47,212,198,.16),transparent 72%),
    var(--bg);
}
.page-hero__bg{
  position:absolute;inset:0;opacity:.26;pointer-events:none;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 88%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text3);margin-bottom:22px;}
.crumb a{color:var(--text2);}
.crumb a:hover{color:var(--primary-h);}
.crumb span.sep{color:rgba(151,177,255,.4);}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--primary-h);
  border:1px solid rgba(47,212,198,.4);background:rgba(47,212,198,.08);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);font-weight:700;margin:18px 0 0;max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.page-hero__lead{
  margin-top:18px;max-width:660px;font-size:16px;color:var(--text2);line-height:1.9;
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;}
.hero-metrics div{min-width:130px;}
.hero-metrics b{display:block;font-size:26px;font-weight:700;color:var(--gold);line-height:1.2;}
.hero-metrics b i{font-style:normal;font-size:14px;color:var(--text2);margin-left:4px;}
.hero-metrics p{font-size:13px;color:var(--text3);margin-top:4px;}

/* ---------- 页内锚点 ---------- */
.anchorbar{position:relative;border-bottom:1px solid var(--line);background:var(--bg2);}
.anchorbar__inner{
  display:flex;gap:10px;align-items:center;height:58px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchorbar__inner::-webkit-scrollbar{display:none;}
.anchorbar a{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;font-size:14px;color:var(--text2);
  border:1px solid var(--line);transition:all .2s ease;
}
.anchorbar a:hover{color:var(--primary-h);border-color:rgba(47,212,198,.5);background:rgba(47,212,198,.07);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
section[id]{scroll-margin-top:132px;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;}
.section-head p{margin-top:14px;color:var(--text2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent);}
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
  border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}

/* ---------- Zigzag 主区块 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zig + .zig{margin-top:88px;padding-top:88px;border-top:1px solid rgba(151,177,255,.1);}
.zig__media{position:relative;}
.zig__media img{
  width:100%;border-radius:18px;border:1px solid var(--line);
  aspect-ratio:16/10;object-fit:cover;
}
.zig__media::after{
  content:"";position:absolute;inset:auto -14px -14px auto;width:120px;height:120px;
  border-right:1px solid rgba(47,212,198,.4);border-bottom:1px solid rgba(47,212,198,.4);
  border-radius:0 0 20px 0;opacity:.7;pointer-events:none;
}
.zig--rev .zig__media{order:2;}
.zig--rev .zig__body{order:1;}
.zig__index{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--gold);
}
.zig__body h2{font-size:clamp(22px,2.4vw,30px);margin:12px 0 0;}
.zig__body > p{margin-top:16px;color:var(--text2);font-size:15.5px;line-height:1.9;}
.zig__points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.zig__points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:14.5px;color:var(--text2);transition:all .22s ease;
}
.zig__points li:hover{border-color:rgba(47,212,198,.45);background:rgba(47,212,198,.06);transform:translateX(4px);}
.zig__points svg{flex-shrink:0;margin-top:4px;}
.zig__points b{color:var(--text);font-weight:600;}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  padding:20px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
  border:1px solid var(--line);transition:all .25s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(47,212,198,.45);box-shadow:var(--shadow-h);}
.scene-card h3{font-size:17px;margin-bottom:10px;}
.scene-card p{font-size:14px;color:var(--text2);line-height:1.8;}
.scene-card span{
  display:inline-block;margin-top:14px;font-size:12.5px;color:var(--primary-h);
  border:1px solid rgba(47,212,198,.35);border-radius:999px;padding:3px 10px;
}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{padding:24px 20px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(255,255,255,.035);position:relative;}
.step b{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-size:14px;
  background:linear-gradient(135deg,rgba(47,212,198,.25),rgba(122,107,255,.25));
  border:1px solid rgba(47,212,198,.42);color:var(--primary-h);
}
.step h3{font-size:16.5px;margin:16px 0 8px;}
.step p{font-size:14px;color:var(--text2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px;}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq__q:hover{color:var(--primary-h);}
.faq__q i{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--primary);
  transition:transform .3s ease,border-color .3s ease;
}
.faq__a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq__a p{max-width:780px;padding:0 4px 24px;color:var(--text2);font-size:15px;line-height:1.9;}
.faq__item.is-open .faq__q{color:var(--primary-h);}
.faq__item.is-open .faq__q i{transform:rotate(45deg);border-color:rgba(47,212,198,.6);}

/* ---------- CTA ---------- */
.cta-wrap{padding:96px 0 104px;}
.cta-card{
  padding:52px;border-radius:24px;position:relative;overflow:hidden;
  background:
    radial-gradient(520px 240px at 88% 0%,rgba(122,107,255,.28),transparent 70%),
    radial-gradient(420px 220px at 6% 100%,rgba(47,212,198,.2),transparent 72%),
    linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.cta-grid{display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:start;}
.cta-card h2{font-size:clamp(24px,2.8vw,34px);}
.cta-card > .cta-grid > div > p{margin-top:16px;color:var(--text2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:10px;}
.cta-list li{font-size:14.5px;color:var(--text2);display:flex;gap:10px;align-items:center;}
.cta-list li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--primary);flex-shrink:0;}
.form-card{padding:28px;border-radius:var(--r-lg);background:rgba(7,10,24,.6);border:1px solid var(--line);}
.form-card h3{font-size:17px;margin-bottom:6px;}
.form-card > p{font-size:13.5px;color:var(--text3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,212,198,.15);}
.field-tip{font-size:12.5px;color:var(--text3);margin-top:10px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  color:#04121A;font-size:14.5px;font-weight:700;
  box-shadow:0 10px 30px -10px rgba(47,212,198,.7);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .3s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;}
.footer-brand svg{filter:drop-shadow(0 0 6px rgba(47,212,198,.5));}
.footer-about{margin-top:16px;font-size:14px;color:var(--text3);line-height:1.85;max-width:320px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text2);
  transition:all .2s ease;
}
.socials a:hover{color:var(--primary-h);border-color:rgba(47,212,198,.5);transform:translateY(-2px);}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a,.footer-col ul li{font-size:14px;color:var(--text3);transition:color .2s ease;}
.footer-col ul a:hover{color:var(--primary-h);}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .zig{grid-template-columns:1fr;gap:32px;}
  .zig--rev .zig__media{order:0;}
  .zig + .zig{margin-top:64px;padding-top:64px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 32px;}
  .cta-wrap{padding:72px 0 88px;}
  .cta-card{padding:40px 32px;}
}
@media (max-width:768px){
  .search{display:none;}
  .channelbar__scroll{height:44px;}
  .page-hero{padding:52px 0 48px;}
  .hero-metrics{gap:22px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:34px;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;justify-content:center;padding:15px 18px;
  }
  .float-cta.is-show{transform:translateY(0);}
  .footer-bottom{padding-bottom:92px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .topbar{gap:12px;}
  .brand{font-size:16px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-card{padding:30px 20px;border-radius:20px;}
  .btn{padding:11px 18px;font-size:14.5px;}
  body{font-size:15px;}
  .zig__body > p{font-size:15px;}
}

/* roulang page: category4 */
:root{
  --bg:#070A18;
  --bg-2:#0C1226;
  --card:#121A33;
  --primary:#2FD4C6;
  --primary-hover:#5CE6DA;
  --secondary:#7A6BFF;
  --gold:#FFB454;
  --text:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6C7A9C;
  --line:rgba(151,177,255,.14);
  --line-strong:rgba(47,212,198,.42);
  --r-lg:20px;
  --r:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 16px 40px -16px rgba(47,212,198,.35);
  --glow:0 8px 24px -8px rgba(47,212,198,.55);
  --shell:1240px;
  --topbar-h:64px;
  --chan-h:50px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--shell);margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:calc(-1 * var(--topbar-h));
  z-index:80;
  background:rgba(7,10,24,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{
  height:var(--topbar-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand svg{flex:0 0 auto;filter:drop-shadow(0 0 6px rgba(47,212,198,.55))}
.brand__sub{
  display:block;
  font-size:10px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--text-3);
  line-height:1.2;
  margin-top:2px;
}
.search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,212,198,.14);
}
.search input{
  flex:1;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
  min-width:0;
}
.search input::placeholder{color:var(--text-3)}
.topbar__cta{display:flex;align-items:center;gap:12px;margin-left:auto}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .25s ease, background-color .2s ease, border-color .2s ease, filter .2s ease;
  white-space:nowrap;
}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--primary{
  background:linear-gradient(90deg,#2FD4C6 0%,#7A6BFF 100%);
  color:#06121A;
  box-shadow:var(--glow);
}
.btn--primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px -8px rgba(47,212,198,.6);
  filter:brightness(1.06);
}
.btn--primary:active{transform:translateY(-1px);box-shadow:var(--glow)}
.btn--ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--text);
}
.btn--ghost:hover{
  border-color:var(--line-strong);
  transform:translateY(-2px);
  box-shadow:var(--shadow-1);
}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.burger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  cursor:pointer;
}

.channelbar{
  height:var(--chan-h);
  border-top:1px solid rgba(151,177,255,.08);
  background:linear-gradient(180deg,rgba(12,18,38,.86),rgba(7,10,24,.86));
}
.channelbar .container{height:100%;display:flex;align-items:center}
.channelbar__scroll{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:6px 0;
}
.channelbar__scroll::-webkit-scrollbar{display:none}
.chan{
  scroll-snap-align:start;
  flex:0 0 auto;
  padding:7px 17px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:color .2s ease, border-color .2s ease, box-shadow .25s ease, background-color .2s ease;
}
.chan:hover{color:var(--text);border-color:rgba(151,177,255,.3)}
.chan.is-active{
  color:#EAFFF9;
  border-color:transparent;
  background:
    linear-gradient(#0B1120,#0B1120) padding-box,
    linear-gradient(90deg,#2FD4C6,#7A6BFF) border-box;
  box-shadow:inset 0 0 16px rgba(47,212,198,.22), 0 0 18px -6px rgba(122,107,255,.55);
  font-weight:600;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(900px 420px at 78% 8%, rgba(122,107,255,.24), transparent 62%),
    radial-gradient(700px 380px at 12% 92%, rgba(47,212,198,.18), transparent 60%),
    linear-gradient(180deg, rgba(7,10,24,.78), rgba(7,10,24,.97)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(234,240,255,.5) .8px, transparent .9px);
  background-size:46px 46px;
  opacity:.14;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-2);transition:color .2s ease}
.crumbs a:hover{color:var(--primary-hover)}
.crumbs span{color:var(--text-3)}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(47,212,198,.08);
  color:var(--primary-hover);
  font-size:13px;
  letter-spacing:.02em;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,#2FD4C6,#7A6BFF 70%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__lead{
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:28px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  max-width:560px;
}
.hero-stat{
  padding:14px 16px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.hero-stat b{
  display:block;
  font-size:22px;
  font-weight:700;
  color:var(--gold);
  line-height:1.3;
}
.hero-stat span{font-size:13px;color:var(--text-3)}
.hero-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-media img{width:100%;height:300px;object-fit:cover;opacity:.92}
.hero-media figcaption{
  padding:14px 18px;
  font-size:13px;
  color:var(--text-2);
  border-top:1px solid var(--line);
}

/* 页内锚点条 */
.anchors{
  position:relative;
  z-index:2;
  display:flex;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-top:36px;
}
.anchors::-webkit-scrollbar{display:none}
.anchors a{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:13.5px;
  transition:color .2s ease,border-color .2s ease;
}
.anchors a:hover{color:var(--primary-hover);border-color:var(--line-strong)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:15.5px}
.eyebrow-sm{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--primary);
  margin-bottom:14px;
  text-transform:uppercase;
}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 索引标签云 ============ */
.tagbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  margin-bottom:32px;
}
.tag{
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:13.5px;
  cursor:pointer;
  transition:all .22s ease;
}
.tag:hover{color:var(--primary-hover);border-color:var(--line-strong);transform:translateY(-1px)}
.tag.is-active{
  color:#07131A;
  font-weight:600;
  border-color:transparent;
  background:linear-gradient(90deg,#2FD4C6,#7A6BFF);
  box-shadow:0 6px 20px -8px rgba(47,212,198,.7);
}
.index-note{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:22px;
}
.index-note b{color:var(--primary);font-weight:600}

/* 密排小卡 4 列 */
.dense-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.dcard{
  display:flex;
  flex-direction:column;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.dcard:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-2);
}
.dcard__thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:#0B1120}
.dcard__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.dcard:hover .dcard__thumb img{transform:scale(1.05)}
.dcard__badge{
  position:absolute;left:12px;top:12px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:#07131A;
  font-weight:600;
  background:linear-gradient(90deg,#2FD4C6,#5CE6DA);
}
.dcard__gold{
  position:absolute;right:12px;top:12px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  color:#241503;
  background:linear-gradient(90deg,#FFB454,#FFD08A);
}
.dcard__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.dcard__body h3{font-size:16.5px;font-weight:600;line-height:1.5}
.dcard__body p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.dcard__meta{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  font-size:12.5px;
  color:var(--text-3);
}
.dcard__meta span:first-child{font-variant-numeric:tabular-nums;color:var(--text-2)}

/* ============ 数据条 ============ */
.databar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--line);
}
.databar__cell{
  padding:30px 26px;
  background:linear-gradient(180deg,rgba(18,26,51,.95),rgba(12,18,38,.95));
}
.databar__cell b{
  display:block;
  font-size:clamp(26px,3.2vw,36px);
  font-weight:700;
  color:var(--gold);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.databar__cell b i{font-style:normal;font-size:15px;color:var(--text-2);margin-left:4px;font-weight:500}
.databar__cell span{display:block;font-size:13.5px;color:var(--text-3);margin-top:8px}

/* ============ 规格卡 ============ */
.spec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.spec-card{
  padding:28px 24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.spec-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.spec-card__no{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--secondary);
  margin-bottom:14px;
}
.spec-card h3{font-size:19px;font-weight:600;margin-bottom:12px}
.spec-list{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.spec-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.spec-list li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:linear-gradient(135deg,#2FD4C6,#7A6BFF);
}

/* ============ 流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.flow-item{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.flow-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.flow-item__no{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  font-size:14px;
  font-weight:700;
  color:#07131A;
  background:linear-gradient(135deg,#2FD4C6,#7A6BFF);
  margin-bottom:16px;
}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-item p{font-size:13.8px;color:var(--text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 4px;
  background:transparent;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary-hover)}
.faq-q svg{flex:0 0 auto;transition:transform .3s ease;color:var(--primary)}
.faq-item.is-open .faq-q svg{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease, opacity .3s ease;
  opacity:0;
}
.faq-item.is-open .faq-a{max-height:340px;opacity:1}
.faq-a p{
  max-width:780px;
  padding:0 4px 24px;
  font-size:14.8px;
  color:var(--text-2);
  line-height:1.9;
}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:52px 48px;
  background:
    radial-gradient(700px 320px at 88% 6%, rgba(122,107,255,.26), transparent 62%),
    radial-gradient(520px 300px at 6% 96%, rgba(47,212,198,.2), transparent 60%),
    linear-gradient(180deg, rgba(18,26,51,.94), rgba(9,14,32,.94));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-2);
}
.cta-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:44px;
  align-items:start;
}
.cta-card h2{font-size:clamp(23px,2.8vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-card p.lead{color:var(--text-2);font-size:15px;margin-bottom:22px}
.cta-points{display:flex;flex-direction:column;gap:10px}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);
}
.cta-points svg{flex:0 0 auto;margin-top:5px;color:var(--primary)}

.form{display:flex;flex-direction:column;gap:16px}
.field label{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  margin-bottom:8px;
}
.field input,.field textarea,.field select{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(7,10,24,.66);
  color:var(--text);
  font-size:14.5px;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,212,198,.16);
}
.field.is-error input,.field.is-error textarea{border-color:#FF6B8A;box-shadow:0 0 0 3px rgba(255,107,138,.14)}
.field .err{display:none;font-size:12.5px;color:#FF6B8A;margin-top:6px}
.field.is-error .err{display:block}
.form__hint{font-size:12.5px;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,18,38,.9),rgba(5,8,18,1));
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;
  margin-bottom:14px;
}
.footer-brand svg{filter:drop-shadow(0 0 6px rgba(47,212,198,.5))}
.footer-about{font-size:13.8px;color:var(--text-3);line-height:1.85;max-width:340px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.socials a:hover{color:var(--primary-hover);border-color:var(--line-strong);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.8px;color:var(--text-3);transition:color .2s ease}
.footer-col a:hover{color:var(--primary-hover)}
.footer-contact li{font-size:13.8px;color:var(--text-3);line-height:1.7}
.footer-contact b{color:var(--text-2);font-weight:500}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .3s ease, transform .3s ease;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(4,7,16,.7);
  backdrop-filter:blur(3px);
  z-index:90;
  opacity:0;pointer-events:none;
  transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:min(340px,86vw);
  z-index:95;
  padding:22px;
  background:linear-gradient(180deg,#0C1226,#070A18);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer__head strong{font-size:16px}
.drawer__close{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  cursor:pointer;
}
.drawer .search{max-width:none;margin-bottom:20px}
.drawer nav{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer nav a{
  padding:12px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:14.5px;
  color:var(--text-2);
}
.drawer nav a.is-active{color:#EAFFF9;border-color:var(--line-strong);background:rgba(47,212,198,.1)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{height:260px}
  .dense-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .databar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .search{display:none}
  .burger{display:flex}
  .topbar__cta .btn{display:none}
  .hero{padding:48px 0 56px}
  .hero-stats{grid-template-columns:1fr;max-width:none}
  .hero-media img{height:220px}
  .cta-card{padding:36px 24px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .anchors{padding-top:28px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  body{font-size:15px}
  .dense-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .databar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    right:0;left:0;bottom:0;
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0)}
  .float-cta .btn{
    width:100%;
    border-radius:0;
    padding:15px 20px;
  }
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .dcard__body{padding:18px}
}

/* roulang page: category5 */
:root{
    --bg:#070A18;
    --bg-2:#0C1226;
    --card:#121A33;
    --primary:#2FD4C6;
    --primary-h:#5CE6DA;
    --secondary:#7A6BFF;
    --gold:#FFB454;
    --text:#EAF0FF;
    --text-2:#A9B6D4;
    --text-3:#6C7A9C;
    --line:rgba(151,177,255,.14);
    --glass:rgba(255,255,255,.06);
    --r-lg:20px;
    --r:16px;
    --r-sm:12px;
    --sh:0 8px 24px -12px rgba(0,0,0,.6);
    --sh-h:0 16px 40px -16px rgba(47,212,198,.35);
    --glow:0 8px 24px -8px rgba(47,212,198,.55);
    --gx:clamp(16px,4vw,32px);
    --sec:clamp(56px,7vw,104px);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  .page{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.88;
    letter-spacing:-0.01em;
    -webkit-font-smoothing:antialiased;
    background-image:radial-gradient(900px 520px at 78% -8%,rgba(122,107,255,.16),transparent 68%),radial-gradient(760px 420px at 6% 4%,rgba(47,212,198,.12),transparent 70%);
    background-attachment:fixed;
  }
  .page img{max-width:100%;display:block}
  .page a{color:inherit;text-decoration:none}
  .page button,.page input,.page select,.page textarea{font-family:inherit;font-size:inherit}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--gx)}
  .section{padding:var(--sec) 0}
  .section--tight{padding:calc(var(--sec) * .68) 0}
  .sec-head{max-width:760px;margin-bottom:40px}
  .sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
  .sec-kicker::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent)}
  .sec-title{font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:700;margin:0 0 14px;letter-spacing:-0.01em}
  .sec-desc{font-size:16px;color:var(--text-2);margin:0}
  .muted{color:var(--text-3);font-size:13px}

  /* ===== 顶部导航 ===== */
  .site-header{position:sticky;top:0;z-index:80;background:rgba(7,10,24,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
  .topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-0.01em;flex-shrink:0}
  .brand svg{filter:drop-shadow(0 0 6px rgba(47,212,198,.55))}
  .brand__sub{display:block;font-size:9px;letter-spacing:.2em;color:var(--text-3);font-weight:500;line-height:1.2}
  .search{display:flex;align-items:center;gap:9px;height:40px;min-width:250px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.05);transition:border-color .22s,box-shadow .22s}
  .search:focus-within{border-color:rgba(47,212,198,.65);box-shadow:0 0 0 3px rgba(47,212,198,.13)}
  .search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}
  .search input::placeholder{color:var(--text-3)}
  .topbar__cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .burger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);cursor:pointer;transition:border-color .2s,color .2s}
  .burger:hover{border-color:rgba(47,212,198,.5);color:var(--primary)}

  .channelbar{border-top:1px solid var(--line);background:rgba(10,15,32,.6)}
  .channelbar__scroll{display:flex;align-items:center;gap:9px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
  .channelbar__scroll::-webkit-scrollbar{display:none}
  .chan{flex:0 0 auto;scroll-snap-align:start;padding:8px 17px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);font-size:14px;white-space:nowrap;transition:color .22s,border-color .22s,background .22s,box-shadow .22s}
  .chan:hover{color:var(--primary-h);border-color:rgba(47,212,198,.5);background:rgba(47,212,198,.07)}
  .chan.is-active{
    color:#fff;border-color:transparent;
    background:linear-gradient(rgba(47,212,198,.18),rgba(122,107,255,.18)) padding-box,linear-gradient(90deg,var(--primary),var(--secondary)) border-box;
    box-shadow:inset 0 0 18px rgba(47,212,198,.24),0 6px 18px -10px rgba(47,212,198,.6);
  }

  .drawer{display:none}

  /* ===== 按钮 ===== */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,background .22s ease,color .22s ease}
  .btn--primary{background:linear-gradient(90deg,var(--primary),var(--secondary));color:#fff;box-shadow:var(--glow)}
  .btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 32px -8px rgba(47,212,198,.75)}
  .btn--primary:active{transform:translateY(1px);filter:brightness(.98)}
  .btn--ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
  .btn--ghost:hover{border-color:rgba(47,212,198,.6);color:var(--primary-h);background:rgba(47,212,198,.08);transform:translateY(-2px)}
  .btn--ghost:active{transform:translateY(0)}
  .btn--sm{padding:10px 18px;font-size:14px}
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
  .btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

  .tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:12px;color:var(--text-2);white-space:nowrap}
  .tag--gold{border-color:rgba(255,180,84,.4);color:var(--gold);background:rgba(255,180,84,.09)}
  .tag--cyan{border-color:rgba(47,212,198,.42);color:var(--primary);background:rgba(47,212,198,.09)}

  .glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.07);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}

  /* ===== Hero ===== */
  .hero{position:relative;overflow:hidden;padding:clamp(36px,5vw,60px) 0 0}
  .hero__bg{position:absolute;inset:0;pointer-events:none;opacity:.32;
    background-image:
      radial-gradient(1.6px 1.6px at 16% 24%,rgba(47,212,198,.95),transparent 62%),
      radial-gradient(1.3px 1.3px at 68% 12%,rgba(255,255,255,.85),transparent 62%),
      radial-gradient(1.5px 1.5px at 88% 46%,rgba(122,107,255,.95),transparent 62%),
      radial-gradient(1.2px 1.2px at 34% 68%,rgba(255,180,84,.85),transparent 62%),
      radial-gradient(620px 320px at 82% 8%,rgba(122,107,255,.28),transparent 70%);
    background-size:460px 460px,520px 520px,600px 600px,540px 540px,100% 100%;
  }
  .crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px;position:relative;z-index:2}
  .crumbs a{transition:color .2s}
  .crumbs a:hover{color:var(--primary)}
  .crumbs span[aria-current]{color:var(--text-2)}
  .hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;position:relative;z-index:2}
  .hero__title{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:700;margin:16px 0 18px;letter-spacing:-0.01em}
  .hero__title em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero__sub{font-size:17px;color:var(--text-2);max-width:600px;margin:0}
  .hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero__meta{display:flex;flex-wrap:wrap;gap:34px;list-style:none;margin:34px 0 0;padding:24px 0 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
  .hero__meta strong{display:block;font-size:22px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:-0.01em;line-height:1.4}
  .hero__media{position:relative}
  .hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;border:1px solid var(--line);box-shadow:0 24px 60px -30px rgba(47,212,198,.5)}
  .hero__media::after{content:"";position:absolute;inset:0;border-radius:20px;background:linear-gradient(180deg,rgba(7,10,24,.05),rgba(7,10,24,.55));pointer-events:none}

  .anchors{display:flex;gap:10px;overflow-x:auto;margin-top:36px;padding:0 0 4px;scrollbar-width:none;position:relative;z-index:2}
  .anchors::-webkit-scrollbar{display:none}
  .anchors a{flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--text-2);transition:color .2s,border-color .2s,background .2s}
  .anchors a:hover{color:var(--primary-h);border-color:rgba(47,212,198,.5);background:rgba(47,212,198,.08)}

  /* ===== 时间线 ===== */
  .timeline{list-style:none;margin:0;padding:0;position:relative}
  .timeline::before{content:"";position:absolute;left:27px;top:14px;bottom:26px;width:2px;border-radius:2px;background:linear-gradient(180deg,rgba(47,212,198,.85),rgba(122,107,255,.45),rgba(122,107,255,0))}
  .tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding-bottom:26px}
  .tl-item:last-child{padding-bottom:0}
  .tl-dot{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
    background:linear-gradient(145deg,rgba(47,212,198,.2),rgba(122,107,255,.16));border:1px solid rgba(47,212,198,.4);
    box-shadow:0 0 0 5px rgba(7,10,24,.92),inset 0 1px 0 rgba(255,255,255,.12);backdrop-filter:blur(10px);transition:transform .25s,box-shadow .25s}
  .tl-item:hover .tl-dot{transform:translateY(-3px);box-shadow:0 0 0 5px rgba(7,10,24,.92),0 12px 26px -12px rgba(47,212,198,.7),inset 0 1px 0 rgba(255,255,255,.12)}
  .tl-card{padding:22px 24px;border-radius:var(--r);background:rgba(18,26,51,.62);border:1px solid var(--line);box-shadow:var(--sh);transition:border-color .25s,transform .25s,box-shadow .25s,background .25s}
  .tl-item:hover .tl-card{border-color:rgba(47,212,198,.42);transform:translateY(-3px);box-shadow:var(--sh-h);background:rgba(18,26,51,.82)}
  .tl-card h3{margin:0 0 8px;font-size:19px;font-weight:600;line-height:1.4}
  .tl-card p{margin:0;font-size:15px;color:var(--text-2)}
  .tl-card__foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

  /* ===== 数据条 ===== */
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-top:6px}
  .stat{background:rgba(12,18,38,.78);padding:26px 24px}
  .stat__num{font-size:clamp(26px,2.6vw,34px);font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-0.01em}
  .stat__num small{font-size:14px;font-weight:500;color:var(--text-2);margin-left:5px}
  .stat__label{font-size:13px;color:var(--text-3);margin-top:6px}

  /* ===== 服务范围横向卡 ===== */
  .scope-scroll{display:flex;gap:20px;overflow-x:auto;padding:6px 0 18px;scroll-snap-type:x mandatory;scrollbar-width:none}
  .scope-scroll::-webkit-scrollbar{display:none}
  .scope-card{flex:0 0 320px;scroll-snap-align:start;padding:24px 22px;border-radius:var(--r);background:rgba(18,26,51,.66);border:1px solid var(--line);box-shadow:var(--sh);transition:border-color .25s,transform .25s,box-shadow .25s}
  .scope-card:hover{border-color:rgba(47,212,198,.5);transform:translateY(-4px);box-shadow:var(--sh-h)}
  .scope-card__ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,rgba(47,212,198,.2),rgba(122,107,255,.18));border:1px solid rgba(47,212,198,.32);margin-bottom:16px}
  .scope-card h3{margin:0 0 10px;font-size:18px;font-weight:600}
  .scope-card p{margin:0;font-size:14px;color:var(--text-2)}
  .scope-card__foot{margin-top:16px;font-size:13px;color:var(--text-3)}

  /* ===== 交付标准 ===== */
  .standard{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  .standard__media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:18px;border:1px solid var(--line)}
  .standard__media figcaption{margin-top:12px;font-size:13px;color:var(--text-3)}
  .checklist{list-style:none;margin:0;padding:0}
  .checklist li{position:relative;padding:0 0 0 32px;margin-bottom:16px;font-size:15px;color:var(--text-2)}
  .checklist li:last-child{margin-bottom:0}
  .checklist li svg{position:absolute;left:0;top:6px}
  .checklist li strong{color:var(--text);font-weight:600}

  /* ===== 流程说明小卡 ===== */
  .mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .mini-card{padding:20px;border-radius:var(--r);border:1px solid var(--line);background:rgba(18,26,51,.6);transition:border-color .25s,transform .25s}
  .mini-card:hover{border-color:rgba(122,107,255,.5);transform:translateY(-3px)}
  .mini-card h3{margin:0 0 8px;font-size:16px;font-weight:600}
  .mini-card p{margin:0;font-size:14px;color:var(--text-2)}

  /* ===== FAQ ===== */
  .faq-wrap{max-width:900px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-item summary{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:22px 0;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;transition:color .22s}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--primary-h)}
  .faq-item summary::after{content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--text-3);transition:transform .3s ease,color .3s ease}
  .faq-item[open] summary{color:var(--primary-h)}
  .faq-item[open] summary::after{content:"+";transform:rotate(45deg);color:var(--primary)}
  .faq-answer{max-width:780px;padding:0 0 24px;font-size:15px;color:var(--text-2);animation:faqIn .28s ease}
  @keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

  /* ===== CTA ===== */
  .cta-card{position:relative;overflow:hidden;padding:clamp(28px,4vw,52px);border-radius:24px;border:1px solid var(--line);
    background:linear-gradient(135deg,rgba(47,212,198,.12),rgba(122,107,255,.14) 55%,rgba(255,180,84,.08)),rgba(12,18,38,.82);
    box-shadow:0 30px 80px -40px rgba(47,212,198,.55),inset 0 1px 0 rgba(255,255,255,.08)}
  .cta-card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.3;
    background-image:radial-gradient(1.4px 1.4px at 12% 30%,rgba(255,255,255,.9),transparent 62%),radial-gradient(1.5px 1.5px at 82% 62%,rgba(47,212,198,.9),transparent 62%);
    background-size:420px 420px,520px 520px}
  .cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}
  .cta-card h2{margin:0 0 14px;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
  .cta-card p{margin:0 0 24px;color:var(--text-2);font-size:15px}
  .cta-points{list-style:none;margin:0;padding:0;font-size:14px;color:var(--text-2)}
  .cta-points li{position:relative;padding-left:20px;margin-bottom:12px}
  .cta-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(47,212,198,.9)}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .field{display:flex;flex-direction:column;gap:8px}
  .field--full{grid-column:1 / -1}
  .field label{font-size:13px;color:var(--text-2)}
  .field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:rgba(7,10,24,.72);color:var(--text);font-size:15px;outline:none;transition:border-color .22s,box-shadow .22s}
  .field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(47,212,198,.75);box-shadow:0 0 0 3px rgba(47,212,198,.15)}
  .field textarea{min-height:112px;resize:vertical}
  .form-note{font-size:13px;color:var(--text-3);margin-top:14px}
  .form-actions{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}

  /* ===== 页脚 ===== */
  .site-footer{margin-top:var(--sec);border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(12,18,38,.75),rgba(7,10,24,1))}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:64px 0 44px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
  .footer-brand svg{filter:drop-shadow(0 0 6px rgba(47,212,198,.5))}
  .footer-about{font-size:14px;color:var(--text-2);margin:0 0 18px;max-width:340px}
  .footer-col h4{margin:0 0 16px;font-size:14px;font-weight:600;color:var(--text);letter-spacing:.02em}
  .footer-col ul{list-style:none;margin:0;padding:0}
  .footer-col li{margin-bottom:11px}
  .footer-col a,.footer-col span{font-size:14px;color:var(--text-2);transition:color .2s}
  .footer-col a:hover{color:var(--primary-h)}
  .socials{display:flex;gap:10px}
  .socials a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);transition:color .2s,border-color .2s,transform .2s}
  .socials a:hover{color:var(--primary);border-color:rgba(47,212,198,.5);transform:translateY(-2px)}
  .footer-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3)}
  .footer-bottom a{color:var(--text-3)}
  .footer-bottom a:hover{color:var(--primary)}

  /* ===== 浮动 CTA ===== */
  .float-cta{position:fixed;right:26px;bottom:30px;z-index:70;opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .3s ease,transform .3s ease}
  .float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}

  /* ===== 响应式 ===== */
  @media (max-width:1024px){
    .hero__grid{grid-template-columns:1fr;gap:32px}
    .hero__media{order:-1}
    .hero__media img{aspect-ratio:16/9}
    .standard{grid-template-columns:1fr;gap:32px}
    .cta-grid{grid-template-columns:1fr;gap:34px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
    .mini-grid{grid-template-columns:1fr 1fr}
    .stats{grid-template-columns:1fr 1fr}
  }
  @media (max-width:900px){
    .search{display:none}
    .topbar__cta .btn{display:none}
    .burger{display:inline-flex}
    .drawer{position:fixed;inset:64px 0 0 0;z-index:75;display:none;background:rgba(7,10,24,.97);backdrop-filter:blur(18px);padding:24px var(--gx) 40px;overflow-y:auto}
    .page.nav-open .drawer{display:block}
    .drawer__search{display:flex;align-items:center;gap:9px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.05);margin-bottom:22px}
    .drawer__search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:15px}
    .drawer__title{font-size:12px;letter-spacing:.16em;color:var(--text-3);margin:0 0 12px}
    .drawer__list{list-style:none;margin:0 0 26px;padding:0}
    .drawer__list li{margin-bottom:10px}
    .drawer__list a{display:block;padding:13px 16px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:15px;color:var(--text-2)}
    .drawer__list a.is-active{color:#fff;border-color:rgba(47,212,198,.55);background:linear-gradient(90deg,rgba(47,212,198,.16),rgba(122,107,255,.16))}
  }
  @media (max-width:768px){
    .page{font-size:15px;line-height:1.85}
    .hero__meta{gap:22px}
    .tl-item{grid-template-columns:46px 1fr;gap:16px}
    .tl-dot{width:46px;height:46px;border-radius:14px;font-size:14px}
    .timeline::before{left:22px}
    .mini-grid{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .scope-card{flex:0 0 268px;padding:20px}
    .tl-card{padding:18px 20px}
    .anchor-nav-hide{display:none}
  }
  @media (max-width:520px){
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .stats{grid-template-columns:1fr}
    .hero__actions .btn{width:100%}
    .float-cta{right:14px;left:14px;bottom:14px}
    .float-cta .btn{width:100%}
    .crumbs{font-size:12px}
  }