/* roulang page: index */
:root{
  --bg-0:#0B0E1A;
  --bg-1:#12162B;
  --bg-2:#1A1F3A;
  --line:rgba(255,255,255,.08);
  --primary:#FF3D7F;
  --primary-2:#FF7A45;
  --accent:#22E1C4;
  --accent-2:#7C5CFF;
  --text-0:#F5F7FF;
  --text-1:#C3C9E0;
  --text-2:#8A93B2;
  --radius:16px;
  --radius-pill:999px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,61,127,.5), 0 6px 24px rgba(255,61,127,.35);
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-top:64px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:52px 52px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;background:linear-gradient(135deg,var(--bg-1),var(--bg-2));}
a{color:var(--text-1);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;}
a:hover{color:var(--accent);}
button,input{font:inherit;color:inherit;}
input{outline:none;}
h1,h2,h3,h4{color:var(--text-0);margin:0;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.section{padding:var(--section) 0;position:relative;z-index:1;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.25;}
.section-head p{color:var(--text-2);font-size:14px;margin-top:8px;max-width:72ch;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--accent),transparent);}

/* ---------- header ---------- */
header.site-header{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:80;
  background:rgba(11,14,26,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:border-color .25s ease,box-shadow .25s ease;
}
header.site-header.scrolled{border-bottom-color:rgba(255,61,127,.45);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px;}
.nav-left{display:flex;align-items:center;gap:34px;flex:7 1 auto;min-width:0;}
.nav-right{display:flex;align-items:center;gap:14px;flex:5 1 auto;justify-content:flex-end;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--accent-2));
  color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(255,61,127,.35),0 6px 18px rgba(124,92,255,.35);
}
.logo-text{font-size:16px;font-weight:700;color:var(--text-0);white-space:nowrap;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  font-size:14px;color:var(--text-2);padding:8px 12px;border-radius:var(--radius-pill);
  position:relative;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text-0);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--accent);background:rgba(34,225,196,.12);}
.nav-links a.active::after{transform:scaleX(0);}
.nav-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-pill);padding:8px 14px;transition:border-color .2s ease;}
.nav-search:focus-within{border-color:var(--accent);}
.nav-search i{color:var(--text-2);font-size:13px;}
.nav-search input{background:transparent;border:0;width:120px;font-size:13px;color:var(--text-0);}
.nav-search input::placeholder{color:var(--text-2);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1);cursor:pointer;}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border:0;cursor:pointer;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--glow);transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
}
.btn-main:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,61,127,.45),0 3px 12px rgba(255,61,127,.3);}
.btn-main.btn-sm{padding:9px 20px;font-size:13px;box-shadow:0 0 0 1px rgba(255,61,127,.4),0 4px 16px rgba(255,61,127,.28);}
.btn-sub{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius-pill);
  background:transparent;border:1px solid var(--accent);color:var(--accent);
  font-weight:600;font-size:15px;cursor:pointer;transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-sub:hover{background:rgba(34,225,196,.12);color:var(--accent);transform:translateY(-2px);}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:none;border:0;color:var(--text-2);font-size:14px;cursor:pointer;padding:6px 0;}
.btn-ghost i{transition:transform .22s ease;}
.btn-ghost:hover{color:var(--text-0);}
.btn-ghost:hover i{transform:translateX(-3px);}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 56px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.35;z-index:0;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg-0) 8%,rgba(11,14,26,.82) 45%,rgba(11,14,26,.55) 100%);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:1;}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2;letter-spacing:-.01em;}
.hero .lead{font-size:17px;color:var(--text-1);margin-top:20px;max-width:60ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:8px;}
.hero-note i{color:var(--accent);}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid rgba(124,92,255,.4);
  box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 0 1px rgba(255,61,127,.18);
}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,26,0) 40%,rgba(11,14,26,.78) 100%);}
.hero-float{
  position:absolute;right:-10px;bottom:-18px;
  background:rgba(18,22,43,.92);border:1px solid rgba(255,61,127,.45);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow-1);backdrop-filter:blur(8px);
}
.hero-float span{display:block;font-size:12px;color:var(--text-2);}
.hero-float strong{font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.04em;}

/* ---------- countdown bar ---------- */
.cd-bar{
  margin-top:-8px;
  background:linear-gradient(90deg,rgba(255,61,127,.18),rgba(124,92,255,.18));
  border:1px solid var(--line);border-radius:18px;
  padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px;
}
.cd-label{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-0);font-weight:600;}
.cd-label i{color:var(--primary);}
.cd-clock{display:flex;align-items:center;gap:8px;}
.cd-unit{display:flex;flex-direction:column;align-items:center;gap:4px;}
.cd-num{
  min-width:44px;padding:6px 8px;text-align:center;border-radius:8px;
  background:var(--primary);color:#fff;font-weight:700;font-size:19px;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.cd-unit small{font-size:11px;color:var(--text-2);}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:border-color .25s ease,transform .25s ease;
}
.stat:hover{border-color:rgba(34,225,196,.4);transform:translateY(-3px);}
.stat strong{display:block;font-size:clamp(24px,2.6vw,34px);color:var(--text-0);font-variant-numeric:tabular-nums;}
.stat strong em{font-style:normal;color:var(--accent);font-size:18px;margin-left:2px;}
.stat span{font-size:13px;color:var(--text-2);}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.card:hover{border-color:rgba(255,61,127,.45);transform:translateY(-4px);box-shadow:var(--shadow-1);}
.card-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--accent);background:rgba(34,225,196,.1);border:1px solid rgba(34,225,196,.28);
  margin-bottom:16px;
}
.card-ico.pink{color:var(--primary);background:rgba(255,61,127,.1);border-color:rgba(255,61,127,.3);}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{font-size:15px;color:var(--text-1);}
.feature-lg{grid-column:span 2;padding:0;overflow:hidden;display:flex;flex-direction:column;}
.feature-lg .fl-body{padding:26px 26px 28px;}
.feature-lg img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.feature-lg h3{font-size:22px;}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:12px;padding:4px 10px;border-radius:var(--radius-pill);
  background:rgba(124,92,255,.14);color:#B9A8FF;border:1px solid rgba(124,92,255,.3);
}
.tag.green{background:rgba(34,225,196,.12);color:var(--accent);border-color:rgba(34,225,196,.28);}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.shot{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease,filter .4s ease;}
.shot:nth-child(1) img,.shot:nth-child(4) img{aspect-ratio:4/5;}
.shot:nth-child(2) img,.shot:nth-child(5) img{aspect-ratio:4/3;}
.shot:nth-child(3) img,.shot:nth-child(6) img{aspect-ratio:1/1;}
.shot::after{content:"";position:absolute;left:0;right:0;bottom:0;height:52%;background:linear-gradient(180deg,rgba(11,14,26,0),rgba(11,14,26,.88));}
.shot figcaption{position:absolute;left:14px;bottom:12px;z-index:2;font-size:14px;font-weight:600;color:var(--text-0);}
.shot:hover img{transform:scale(1.03);filter:brightness(1.1);}
.shot:hover{border-color:rgba(34,225,196,.4);}

/* ---------- cta form ---------- */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);
  padding:56px 40px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:220px;
  background:linear-gradient(90deg,rgba(255,61,127,.22),rgba(124,92,255,.22),rgba(34,225,196,.18));
  transform:skewY(-6deg);filter:blur(2px);
}
.cta-band h2{position:relative;font-size:clamp(22px,3vw,32px);}
.cta-band > p{position:relative;margin-top:14px;color:var(--text-1);font-size:15px;}
.cta-form{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px;}
.cta-form input{
  min-width:220px;flex:1 1 220px;max-width:280px;
  background:rgba(11,14,26,.85);border:1px solid var(--line);border-radius:12px;
  padding:13px 16px;color:var(--text-0);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--text-2);}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,225,196,.14);}
.privacy{position:relative;margin-top:14px;font-size:12px;color:var(--text-2);}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cms-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.cms-card:hover{border-color:rgba(255,61,127,.45);transform:translateY(-4px);box-shadow:var(--shadow-1);}
.cms-cover{display:block;overflow:hidden;}
.cms-cover img{width:100%;height:180px;object-fit:cover;transition:transform .4s ease;}
.cms-card:hover .cms-cover img{transform:scale(1.04);}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.cms-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.cms-meta time{font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums;}
.cms-card h3{font-size:17px;line-height:1.45;margin-bottom:10px;}
.cms-card h3 a{color:var(--text-0);}
.cms-card h3 a:hover{color:var(--accent);}
.cms-sum{font-size:14px;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.cms-more{margin-top:auto;font-size:13px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.cms-more:hover{gap:10px;}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--radius);padding:48px 24px;text-align:center;background:var(--bg-1);
}
.news-empty i{font-size:26px;color:var(--text-2);display:block;margin-bottom:14px;}
.news-empty p{font-size:15px;color:var(--text-1);margin-bottom:18px;}

/* ---------- faq ---------- */
.faq-list{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:16px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text-0);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--accent);transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-a{padding:0 4px 22px;font-size:15px;color:var(--text-1);max-width:72ch;}

/* ---------- footer ---------- */
footer.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:20px;padding:56px 0 26px;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .logo-text{font-size:17px;}
.footer-brand p{margin-top:14px;font-size:13px;color:var(--text-2);max-width:34ch;}
.footer-col h4{font-size:14px;color:var(--text-0);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13px;color:var(--text-2);}
.footer-col a:hover{color:var(--text-0);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:var(--text-2);
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:.28s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:78vw;max-width:340px;background:var(--bg-1);
  border-left:1px solid var(--line);z-index:100;transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);padding:24px 22px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text-1);cursor:pointer;}
.drawer nav a{display:block;padding:14px 12px;border-radius:12px;font-size:15px;color:var(--text-1);border:1px solid transparent;}
.drawer nav a:hover,.drawer nav a.active{background:rgba(34,225,196,.1);color:var(--accent);border-color:rgba(34,225,196,.24);}
.drawer .drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.drawer .btn-main{width:100%;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--section:64px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{order:2;}
  .hero-frame img{aspect-ratio:16/10;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-lg{grid-column:span 2;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid > .cms-card:first-child{grid-column:span 2;}
  .news-grid > .cms-card:first-child .cms-cover img{height:240px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .cd-bar{flex-wrap:wrap;justify-content:center;text-align:center;}
}
@media (max-width:639px){
  :root{--section:48px;}
  body{padding-top:56px;}
  header.site-header{height:56px;}
  .container{padding:0 16px;}
  .logo-text{font-size:14px;}
  .nav-right{gap:10px;}
  .hero{padding:44px 0 36px;}
  .hero .lead{font-size:15px;}
  .hero-actions .btn-main,.hero-actions .btn-sub{width:100%;}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto;display:inline-block;}
  .feature-grid,.gallery,.news-grid,.stats,.footer-grid{grid-template-columns:1fr;}
  .feature-lg,.news-grid > .cms-card:first-child{grid-column:span 1;}
  .cta-band{padding:36px 20px;}
  .cta-form input{max-width:none;min-width:0;}
  .cta-form .btn-main{width:100%;}
  .cd-num{min-width:38px;font-size:17px;}
  .cd-clock{flex-wrap:wrap;justify-content:center;}
}

/* roulang page: article */
:root{
  --bg-0:#0B0E1A;
  --bg-1:#12162B;
  --bg-2:#1A1F3A;
  --line:rgba(255,255,255,.08);
  --primary:#FF3D7F;
  --primary-2:#FF7A45;
  --accent:#22E1C4;
  --accent-2:#7C5CFF;
  --text-0:#F5F7FF;
  --text-1:#C3C9E0;
  --text-2:#8A93B2;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,61,127,.5), 0 6px 24px rgba(255,61,127,.35);
  --section:88px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 480px at 12% -10%, rgba(124,92,255,.20), transparent 68%),
    radial-gradient(760px 420px at 92% 4%, rgba(255,61,127,.16), transparent 66%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
}
img{max-width:100%;display:block;}
a{color:var(--text-1);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease;}
a:hover{color:var(--accent);}
button,input{font-family:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.section{padding:var(--section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.25;}
.section-head .sub{color:var(--text-2);font-size:14px;margin-top:8px;max-width:60ch;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);letter-spacing:1px;text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));display:inline-block;border-radius:2px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,14,26,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:border-color .25s ease,background-color .25s ease;
}
.site-header.is-stuck{border-bottom-color:rgba(255,61,127,.42);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0;flex:7 1 0%;}
.nav-right{display:flex;align-items:center;gap:12px;justify-content:flex-end;flex:5 1 0%;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent-2));
  color:#fff;font-weight:800;font-size:15px;box-shadow:0 4px 16px rgba(124,92,255,.42);
}
.logo-text{font-size:15px;font-weight:700;color:var(--text-0);white-space:nowrap;letter-spacing:.3px;}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--text-0);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--accent);background:rgba(34,225,196,.12);}
.nav-search{
  display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);transition:border-color .2s ease;
}
.nav-search i{color:var(--text-2);font-size:13px;}
.nav-search input{
  width:150px;background:transparent;border:0;outline:none;color:var(--text-0);font-size:13px;
}
.nav-search input::placeholder{color:var(--text-2);}
.nav-search:focus-within{border-color:var(--accent);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border:0;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff;font-size:15px;font-weight:700;letter-spacing:.5px;
  box-shadow:var(--glow);transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
}
.btn-main:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,61,127,.65);}
.btn-sm{padding:9px 20px;font-size:13px;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid var(--accent);color:var(--accent);
  background:transparent;font-size:14px;font-weight:600;transition:background-color .25s ease,transform .25s ease;
}
.btn-line:hover{background:rgba(34,225,196,.12);color:var(--accent);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-size:14px;font-weight:600;
  transition:color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--text-0);transform:translateX(-3px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-0);font-size:16px;
}
.drawer{
  position:fixed;top:0;right:0;z-index:120;width:78vw;max-width:340px;height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);padding:24px 20px;
  transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-0);}
.drawer-nav a{
  display:block;padding:14px 12px;border-radius:12px;font-size:15px;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(34,225,196,.10);color:var(--accent);}
.drawer .nav-search{width:100%;margin:20px 0 16px;}
.drawer .nav-search input{width:100%;}
.drawer .btn-main{width:100%;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;padding:52px 0 34px;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(11,14,26,.86),rgba(11,14,26,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.03) 0 1px,transparent 1px 4px);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-2);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-1);
}
.article-title{
  margin-top:20px;font-size:clamp(28px,4.2vw,46px);line-height:1.24;max-width:900px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px;font-size:13px;color:var(--text-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;
  background:rgba(124,92,255,.18);color:#BCAAFF;border:1px solid rgba(124,92,255,.30);
}
.badge-accent{background:rgba(34,225,196,.14);color:var(--accent);border-color:rgba(34,225,196,.30);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);}

/* ============ 正文两栏 ============ */
.article-wrap{padding:56px 0 80px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:34px;align-items:start;
}
.panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow-1);
}
.article-content{max-width:72ch;}
.article-content p{font-size:16px;line-height:1.9;color:var(--text-1);margin:0 0 1.2em;}
.article-content h2{
  font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin:1.7em 0 .7em;padding-left:14px;
  border-left:3px solid var(--primary);
}
.article-content h2:first-child{margin-top:0;}
.article-content h3{font-size:19px;line-height:1.4;margin:1.4em 0 .6em;}
.article-content h4{font-size:17px;margin:1.2em 0 .5em;color:var(--text-0);}
.article-content ul,.article-content ol{margin:1.1em 0;padding-left:22px;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin:.5em 0;line-height:1.85;color:var(--text-1);}
.article-content li::marker{color:var(--primary);}
.article-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--primary);}
.article-content blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(255,255,255,.035);color:var(--text-1);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius-sm);margin:1.5em auto;}
.article-content figure{margin:1.5em 0;}
.article-content figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px;}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-content th{background:var(--bg-2);color:var(--text-0);font-weight:600;}
.article-content code{
  background:rgba(124,92,255,.16);color:#C6B8FF;padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-content pre{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px;overflow-x:auto;margin:1.4em 0;
}
.article-content pre code{background:none;padding:0;}
.empty-state{
  padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:28px;color:var(--accent);margin-bottom:14px;display:block;}
.empty-state strong{display:block;color:var(--text-0);font-size:18px;margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:14px;margin-bottom:18px;}
.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* 侧栏 */
.side-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin-bottom:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;letter-spacing:.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{
  content:"";width:4px;height:15px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent-2));
}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);}
.side-link{display:flex;gap:12px;align-items:flex-start;}
.side-link .thumb{
  width:74px;height:56px;flex-shrink:0;border-radius:10px;overflow:hidden;background:var(--bg-2);
}
.side-link .thumb img{width:100%;height:100%;object-fit:cover;}
.side-link .txt strong{
  display:block;font-size:14px;font-weight:600;color:var(--text-0);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-link:hover .txt strong{color:var(--accent);}
.side-link .txt span{display:block;font-size:12px;color:var(--text-2);margin-top:6px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  padding:6px 12px;border-radius:999px;font-size:12.5px;color:var(--text-1);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.tag-cloud a:hover{color:var(--accent);border-color:rgba(34,225,196,.42);background:rgba(34,225,196,.10);}
.side-note{font-size:13px;color:var(--text-2);line-height:1.8;}
.side-note strong{color:var(--text-0);}
.side-cta{background:linear-gradient(150deg,rgba(255,61,127,.16),rgba(124,92,255,.16));}
.side-cta .btn-main{width:100%;margin-top:14px;padding:12px 20px;font-size:14px;}

/* ============ 相关推荐 ============ */
.recommend{padding:0 0 var(--section);}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rec-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(255,61,127,.45);box-shadow:var(--shadow-1);}
.rec-card .cover{aspect-ratio:16/9;background:var(--bg-1);overflow:hidden;}
.rec-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .cover img{transform:scale(1.05);}
.rec-card .rec-body{padding:18px 20px 22px;}
.rec-card .rec-body h3{
  font-size:16px;line-height:1.5;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-card .rec-body p{
  font-size:13px;color:var(--text-2);line-height:1.75;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-2);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;top:-40%;left:-10%;width:60%;height:180%;
  background:linear-gradient(90deg,rgba(255,61,127,.18),rgba(124,92,255,.06));
  transform:skewX(-14deg);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.025) 0 1px,transparent 1px 5px);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center;}
.cta-inner h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px;}
.cta-inner p{color:var(--text-2);font-size:15px;margin-bottom:26px;}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-brand p{font-size:13px;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:32ch;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-0);margin-bottom:16px;}
.footer-col li + li{margin-top:10px;}
.footer-col a{font-size:13px;color:var(--text-2);}
.footer-col a:hover{color:var(--text-0);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-2);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-search{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-content{max-width:none;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  :root{--section:48px;}
  .nav-wrap{height:56px;}
  .article-hero{padding:36px 0 26px;}
  .article-wrap{padding:36px 0 56px;}
  .panel{padding:22px 18px;}
  .cta-band{padding:52px 0;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-text{font-size:13.5px;}
  .logo-mark{width:28px;height:28px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn-main,.cta-actions .btn-line{width:100%;}
  .breadcrumb .current{max-width:180px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0E1A;
  --bg-1:#12162B;
  --bg-2:#1A1F3A;
  --line:rgba(255,255,255,.08);
  --primary:#FF3D7F;
  --primary-2:#FF7A45;
  --accent:#22E1C4;
  --accent-2:#7C5CFF;
  --text-0:#F5F7FF;
  --text-1:#C3C9E0;
  --text-2:#8A93B2;
  --radius:16px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,61,127,.5),0 6px 24px rgba(255,61,127,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(124,92,255,.18), transparent 62%),
    radial-gradient(760px 460px at 4% 0%, rgba(255,61,127,.14), transparent 60%),
    var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--text-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{color:var(--text-0);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700}
.section-head .sub{color:var(--text-2);font-size:14px;margin-top:8px;max-width:62ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,14,26,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,61,127,.55),transparent);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.nav-left{display:flex;align-items:center;gap:26px;flex:7 1 0;min-width:0}
.nav-right{display:flex;align-items:center;gap:14px;flex:5 1 auto;justify-content:flex-end}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--accent-2));
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px rgba(255,61,127,.35);
}
.logo-text{font-size:16px;font-weight:700;color:var(--text-0);letter-spacing:.4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:20px;min-width:0}
.nav-links a{position:relative;font-size:14px;color:var(--text-2);padding:6px 2px;white-space:nowrap}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .25s ease;
}
.nav-links a:hover{color:var(--text-0)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--accent);background:rgba(34,225,196,.12);border-radius:999px;padding:6px 12px}
.nav-links a.active::after{display:none}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:999px;padding:8px 14px;transition:border-color .2s ease;
}
.nav-search:focus-within{border-color:rgba(34,225,196,.55)}
.nav-search i{color:var(--text-2);font-size:13px}
.nav-search input{width:132px;background:transparent;border:0;outline:0;color:var(--text-0);font-size:13px}
.nav-search input::placeholder{color:var(--text-2)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text-0);width:40px;height:40px;border-radius:12px;cursor:pointer}
.nav-toggle:hover{border-color:rgba(34,225,196,.5)}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff;font-weight:700;font-size:15px;border:0;cursor:pointer;
  border-radius:999px;padding:14px 30px;box-shadow:var(--glow);
  transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);color:#fff}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,61,127,.4),0 3px 12px rgba(255,61,127,.28)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid var(--accent);color:var(--accent);
  border-radius:999px;padding:13px 28px;font-weight:600;font-size:15px;cursor:pointer;
  transition:background .25s ease,transform .25s ease,color .25s ease;
}
.btn-outline:hover{background:rgba(34,225,196,.12);transform:translateY(-2px);color:var(--accent)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:transparent;border:0;
  color:var(--text-2);font-size:14px;cursor:pointer;padding:6px 0;transition:color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--text-0);transform:translateX(-2px)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:78vw;max-width:340px;z-index:90;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:80px 24px 28px;transform:translateX(102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer a.d-link{
  font-size:15px;color:var(--text-1);padding:12px 14px;border-radius:12px;
  border:1px solid transparent;transition:.2s ease;
}
.nav-drawer a.d-link:hover{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text-0)}
.nav-drawer a.d-link.active{color:var(--accent);background:rgba(34,225,196,.12);border-color:rgba(34,225,196,.3)}
.drawer-close{position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text-1);cursor:pointer}
.drawer-close:hover{color:var(--text-0);border-color:rgba(34,225,196,.5)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 46px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(11,14,26,.72),rgba(11,14,26,.94)),
    linear-gradient(100deg,rgba(255,61,127,.22),rgba(124,92,255,.12) 55%,transparent),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.035) 0 1px,transparent 1px 4px);
  opacity:.55;
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:rgba(255,255,255,.22)}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:.5px}
.page-hero .lead{margin-top:14px;font-size:15px;color:var(--text-1);max-width:66ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(124,92,255,.16);color:#C6BBFF;border:1px solid rgba(124,92,255,.34);
}
.tag.teal{background:rgba(34,225,196,.13);color:var(--accent);border-color:rgba(34,225,196,.32)}
.tag.pink{background:rgba(255,61,127,.14);color:#FF9DBF;border-color:rgba(255,61,127,.34)}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:132px;gap:16px}
.gallery-item{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:linear-gradient(135deg,var(--bg-2),#101426);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.gallery-item.tall{grid-row:span 2}
.gallery-item.wide{grid-column:span 2}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease,filter .4s ease}
.gallery-item:hover{border-color:rgba(255,61,127,.45);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.gallery-item:hover img{transform:scale(1.05);filter:brightness(1.08)}
.gallery-item .cap{
  position:absolute;left:0;right:0;bottom:0;padding:12px 14px;font-size:13px;color:#fff;
  background:linear-gradient(transparent,rgba(6,8,18,.9));
}
.gallery-item .cap span{display:block;font-size:11px;color:var(--text-2);margin-top:2px}
.media{position:relative;background:linear-gradient(135deg,var(--bg-2),#101426)}
.media.img-fallback::after{
  content:attr(data-word);position:absolute;inset:0;display:grid;place-items:center;
  font-size:36px;font-weight:800;color:rgba(255,255,255,.1);z-index:1;
}

/* ---------- 导读 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.split.rev{grid-template-columns:5fr 7fr}
.split h2{font-size:clamp(22px,3vw,32px);line-height:1.25;margin-bottom:16px}
.split p+p{margin-top:14px}
.split p{color:var(--text-1);max-width:72ch}
.figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3;
}
.figure img{width:100%;height:100%;object-fit:cover}
.figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  box-shadow:inset 0 0 0 1px rgba(34,225,196,.18),inset 0 -60px 80px rgba(11,14,26,.6);
  pointer-events:none;
}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.stat{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.stat b{display:block;font-size:24px;color:var(--text-0);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{font-size:13px;color:var(--text-2)}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.check-item{
  display:flex;gap:16px;padding:22px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.check-item:hover{border-color:rgba(34,225,196,.42);transform:translateY(-3px);box-shadow:var(--shadow-1)}
.check-icon{
  flex-shrink:0;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,225,196,.12);color:var(--accent);border:1px solid rgba(34,225,196,.3);font-size:16px;
}
.check-item:nth-child(even) .check-icon{background:rgba(255,61,127,.13);color:#FF9DBF;border-color:rgba(255,61,127,.32)}
.check-item h3{font-size:17px;margin-bottom:6px;font-weight:600}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- 场景卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.card:hover{border-color:rgba(255,61,127,.45);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.card .thumb{position:relative;aspect-ratio:16/9;background:var(--bg-1)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .badge{
  position:absolute;top:12px;left:12px;font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(11,14,26,.72);color:var(--accent);border:1px solid rgba(34,225,196,.4);backdrop-filter:blur(6px);
}
.card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:18px;font-weight:600}
.card p{font-size:14px;color:var(--text-2);line-height:1.8}
.card .foot{margin-top:auto;padding-top:8px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;background:linear-gradient(180deg,rgba(26,31,58,.9),rgba(18,22,43,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.1em;margin-bottom:10px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--text-2)}
.step:hover{border-color:rgba(124,92,255,.45)}

/* ---------- FAQ ---------- */
.faq-list{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:16px;
  padding:20px 4px;font-size:16px;color:var(--text-0);font-weight:600;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-item summary i{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:12px;color:var(--accent);border:1px solid rgba(34,225,196,.35);
  transition:transform .3s ease,background .3s ease;
}
.faq-item[open] summary i{transform:rotate(45deg);background:rgba(34,225,196,.14)}
.faq-body{padding:0 4px 22px;font-size:15px;color:var(--text-1);line-height:1.85;max-width:76ch}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    linear-gradient(100deg,rgba(255,61,127,.16),rgba(124,92,255,.14) 50%,rgba(34,225,196,.12)),
    var(--bg-1);
}
.cta-band::before{
  content:"";position:absolute;top:-60%;left:-10%;width:60%;height:220%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
  transform:rotate(14deg);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:center;padding:64px 0}
.cta-inner h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-inner p{color:var(--text-1);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{
  display:block;padding:24px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.rel-card:hover{border-color:rgba(34,225,196,.45);transform:translateY(-4px);box-shadow:var(--shadow-1);color:var(--text-1)}
.rel-card .k{display:inline-flex;font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(124,92,255,.16);color:#C6BBFF;border:1px solid rgba(124,92,255,.32);margin-bottom:14px}
.rel-card h3{font-size:18px;margin-bottom:10px}
.rel-card p{font-size:14px;color:var(--text-2)}
.rel-card .go{margin-top:16px;font-size:13px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.back-home{margin-top:28px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text-2);max-width:34ch;line-height:1.9}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-0);margin-bottom:16px;letter-spacing:.4px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:13px;color:var(--text-2)}
.footer-col a:hover{color:var(--text-0)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-2);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-left{flex:1 1 auto}
  .split,.split.rev{grid-template-columns:1fr;gap:28px}
  .split.rev .figure{order:-1}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;padding:52px 0}
  .cta-actions{justify-content:flex-start}
  .section{padding:64px 0}
}
@media (max-width:768px){
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:140px}
  .gallery-item.wide{grid-column:span 2}
  .check-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat b{font-size:19px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .section{padding:52px 0}
  .page-hero{padding:44px 0 34px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .gallery{grid-template-columns:1fr;grid-auto-rows:190px}
  .gallery-item.tall,.gallery-item.wide{grid-row:auto;grid-column:auto}
  .stat-row{grid-template-columns:1fr}
  .section{padding:44px 0}
  .nav-wrap{height:56px}
  .logo-text{font-size:15px}
  .faq-item summary{font-size:15px;padding:16px 2px}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B0E1A;
  --bg-1:#12162B;
  --bg-2:#1A1F3A;
  --line:rgba(255,255,255,.08);
  --primary:#FF3D7F;
  --primary-2:#FF7A45;
  --accent:#22E1C4;
  --accent-2:#7C5CFF;
  --text-0:#F5F7FF;
  --text-1:#C3C9E0;
  --text-2:#8A93B2;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,61,127,.5),0 6px 24px rgba(255,61,127,.35);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.page-body{
  margin:0;padding:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--text-1);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;letter-spacing:.2px}
p{margin:0}
input,button,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.06);color:var(--text-1);border:1px solid var(--line);white-space:nowrap}
.badge-accent{background:rgba(34,225,196,.12);color:var(--accent);border-color:rgba(34,225,196,.28)}
.badge-purple{background:rgba(124,92,255,.16);color:#B6A6FF;border-color:rgba(124,92,255,.32)}
.badge-pink{background:rgba(255,61,127,.14);color:#FF86AE;border-color:rgba(255,61,127,.3)}
.time-chip{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border-radius:8px;padding:5px 12px;font-size:15px;letter-spacing:.5px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff;font-weight:700;font-size:15px;line-height:1;border:0;
  box-shadow:var(--glow);transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
}
.btn-main:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px)}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,61,127,.5)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:1px solid var(--accent);
  color:var(--accent);font-weight:600;font-size:15px;line-height:1;background:transparent;
  transition:background-color .25s ease,transform .25s ease,color .25s ease;
}
.btn-line:hover{background:rgba(34,225,196,.12);color:var(--accent);transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:14px;font-weight:600;padding:8px 2px;background:none;border:0;transition:color .22s ease,transform .22s ease}
.btn-ghost:hover{color:var(--text-0);transform:translateX(-2px)}
.btn-ghost.inline{transform:none}
.btn-ghost.inline:hover{transform:translateX(2px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,14,26,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{border-bottom-color:rgba(255,61,127,.45);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.nav-left{display:flex;align-items:center;gap:26px;flex:7 1 0;min-width:0}
.nav-right{display:flex;align-items:center;gap:12px;flex:5 1 0;justify-content:flex-end}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-0);font-weight:700;font-size:16px;letter-spacing:.4px;white-space:nowrap}
.logo:hover{color:var(--text-0)}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent-2));
  color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 6px 18px rgba(255,61,127,.35);
}
.logo-text{line-height:1}
.nav-links{display:flex;align-items:center;gap:4px;min-width:0}
.nav-links a{
  position:relative;font-size:14px;color:var(--text-2);
  padding:9px 13px;border-radius:999px;white-space:nowrap;transition:color .22s ease,background-color .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--text-0)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--accent);background:rgba(34,225,196,.12)}
.nav-links a.active::after{transform:scaleX(0)}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;color:var(--text-2);font-size:13px;transition:border-color .22s ease;
}
.nav-search:focus-within{border-color:rgba(34,225,196,.6)}
.nav-search input{width:120px;background:transparent;border:0;outline:none;color:var(--text-0);font-size:13px}
.nav-search input::placeholder{color:var(--text-2)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;color:var(--text-0);
  background:var(--bg-2);border:1px solid var(--line);place-items:center;font-size:16px;
}
.nav-toggle:hover{color:var(--accent);border-color:rgba(34,225,196,.4)}
.nav-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.nav-mask.show{opacity:1;visibility:visible}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  padding:64px 0 60px;
  background:
    linear-gradient(90deg,rgba(11,14,26,.97) 0%,rgba(11,14,26,.86) 48%,rgba(11,14,26,.6) 100%),
    url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-cat::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 92%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 92%);
}
.hero-cat::after{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.35),transparent 68%);
  pointer-events:none;
}
.hero-cat-inner{position:relative;z-index:2;max-width:900px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.25)}
.crumbs .cur{color:var(--text-1)}
.hero-title{
  font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:700;
  margin-bottom:16px;color:var(--text-0);
}
.hero-title em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16px;line-height:1.85;color:var(--text-1);max-width:66ch;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- strip ---------- */
.strip{
  background:linear-gradient(90deg,rgba(255,61,127,.18),rgba(124,92,255,.18));
  border-bottom:1px solid var(--line);
}
.strip-inner{display:flex;align-items:center;gap:22px;min-height:72px;padding-top:12px;padding-bottom:12px}
.strip-left{display:flex;flex-direction:column;gap:2px;min-width:200px}
.strip-label{font-size:13px;color:var(--text-2);letter-spacing:1px}
.strip-sub{font-size:15px;color:var(--text-0);font-weight:600}
.countdown{display:flex;align-items:center;gap:10px;margin-left:auto}
.cd-cell{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:52px}
.cd-cell b{
  display:block;width:100%;text-align:center;padding:7px 0;border-radius:8px;
  background:var(--primary);color:#fff;font-size:19px;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(255,61,127,.32);
}
.cd-cell i{font-style:normal;font-size:12px;color:var(--text-2)}
.strip-btn{flex:0 0 auto}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0}
.sec-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--accent);margin-bottom:12px;text-transform:uppercase}
.sec-title{font-size:clamp(22px,3vw,32px);line-height:1.25;margin-bottom:14px}
.sec-desc{font-size:16px;color:var(--text-1);max-width:72ch}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-head .sec-desc{margin-top:4px}

/* intro */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.intro-text p{font-size:16px;line-height:1.9;color:var(--text-1);max-width:72ch;margin-bottom:16px}
.tick-list{margin-top:22px;display:grid;gap:12px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-1)}
.tick-list i{color:var(--accent);font-size:14px;margin-top:6px}
.intro-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--bg-1);box-shadow:var(--shadow-1)}
.intro-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.intro-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:var(--text-1);
  background:linear-gradient(180deg,rgba(11,14,26,0),rgba(11,14,26,.92));
}

/* point list */
.point-list{display:grid;gap:16px}
.point-item{
  display:grid;grid-template-columns:130px 1fr auto;gap:22px;align-items:center;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.point-item:hover{border-color:rgba(255,61,127,.45);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.point-time{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.point-state{font-size:12px;color:var(--text-2);letter-spacing:.5px}
.point-state.live{color:var(--accent)}
.point-body h3{font-size:19px;font-weight:600;margin-bottom:6px;line-height:1.35}
.point-body p{font-size:14.5px;color:var(--text-1);max-width:60ch}
.point-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;max-width:190px}
.point-note{
  margin-top:22px;font-size:13px;color:var(--text-2);
  border-left:3px solid var(--accent);padding:4px 0 4px 14px;background:rgba(34,225,196,.05);
  border-radius:0 10px 10px 0;
}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;text-align:center;transition:transform .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.5)}
.stat-num{
  font-size:38px;font-weight:800;line-height:1;color:var(--text-0);
  font-variant-numeric:tabular-nums;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-unit{font-size:14px;color:var(--text-2);margin-left:6px}
.stat-card p{margin-top:10px;font-size:14px;color:var(--text-1)}

/* wall */
.wall{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:180px;gap:18px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-1);margin:0}
.wall-item.tall{grid-row:span 2}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease,filter .45s ease}
.wall-item:hover img{transform:scale(1.03);filter:brightness(1.08)}
.wall-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:14px;color:var(--text-0);font-weight:600;
  background:linear-gradient(180deg,rgba(11,14,26,0),rgba(11,14,26,.9));
}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.flow-step{
  position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(34,225,196,.45);box-shadow:var(--shadow-1)}
.flow-idx{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;
  background:rgba(34,225,196,.12);border:1px solid rgba(34,225,196,.35);color:var(--accent);
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--text-1)}

/* faq */
.faq{max-width:900px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16px;color:var(--text-0);font-weight:600;transition:color .22s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.faq summary .plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:15px;transition:transform .28s ease,color .28s ease,border-color .28s ease;
}
.faq details[open] summary .plus{transform:rotate(45deg);color:var(--accent);border-color:rgba(34,225,196,.5)}
.faq .faq-body{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--text-1);max-width:76ch}

/* cta */
.cta-wrap{
  position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line);
  background:var(--bg-1);padding:56px 48px;
}
.cta-wrap::before{
  content:"";position:absolute;top:-140px;left:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,127,.28),transparent 66%);pointer-events:none;
}
.cta-wrap::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,225,196,.2),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:760px}
.cta-inner h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-inner p{font-size:15.5px;color:var(--text-1);margin-bottom:26px}
.cta-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:center}
.cta-form input{
  background:var(--bg-0);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;color:var(--text-0);font-size:15px;outline:none;transition:border-color .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder{color:var(--text-2)}
.cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,225,196,.14)}
.cta-privacy{margin-top:14px;font-size:13px;color:var(--text-2)}

/* related */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(255,61,127,.45);box-shadow:var(--shadow-1);color:inherit}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-1)}
.rel-body{padding:20px 22px 24px}
.rel-body h3{font-size:17px;font-weight:600;margin-bottom:8px}
.rel-body p{font-size:14px;color:var(--text-1);margin-bottom:14px}
.rel-more{font-size:13px;color:var(--accent);font-weight:600}
.rel-foot{margin-top:34px}
.rel-card.current{border-color:rgba(34,225,196,.45)}

/* footer */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text-2);max-width:34ch;line-height:1.85}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-0);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13px;color:var(--text-2)}
.footer-col a:hover{color:var(--text-0)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-2);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-search input{width:96px}
}
@media (max-width:1100px){
  :root{--sec-y:64px}
  .intro-grid{gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .wall{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .nav-left{flex:1 1 auto}
  .nav-right{flex:0 0 auto}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:78vw;max-width:340px;z-index:70;
    background:var(--bg-1);border-left:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:8px;
    padding:88px 24px 32px;
    transform:translateX(105%);transition:transform .32s ease;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{width:100%;padding:12px 14px;font-size:15px}
  .nav-links a::after{display:none}
  .intro-grid{grid-template-columns:1fr}
  .intro-media{order:-1}
  .point-item{grid-template-columns:1fr;gap:14px}
  .point-tags{justify-content:flex-start;max-width:none}
  .cta-form{grid-template-columns:1fr 1fr}
  .cta-form .btn-main{grid-column:1 / -1;width:100%}
}
@media (max-width:767px){
  .container{padding:0 16px}
  :root{--sec-y:48px}
  .nav-wrap{height:56px;gap:12px}
  .logo-text{font-size:14px;white-space:normal;max-width:150px;line-height:1.2}
  .hero-cat{padding:44px 0 48px}
  .hero-lead{font-size:15px}
  .hero-actions .btn-main,.hero-actions .btn-line{flex:1 1 100%}
  .strip-inner{flex-direction:column;align-items:flex-start;gap:14px;padding-top:16px;padding-bottom:16px}
  .countdown{margin-left:0;flex-wrap:wrap}
  .strip-btn{width:100%}
  .sec-head{margin-bottom:24px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-num{font-size:30px}
  .wall{grid-template-columns:1fr;grid-auto-rows:200px}
  .wall-item.tall{grid-row:span 1}
  .flow{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-wrap{padding:34px 22px}
  .cta-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .cd-cell{min-width:44px}
  .cd-cell b{font-size:16px}
  .point-item{padding:20px}
  .stat-grid{grid-template-columns:1fr 1fr}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B0E1A;
  --bg-1:#12162B;
  --bg-2:#1A1F3A;
  --line:rgba(255,255,255,.08);
  --primary:#FF3D7F;
  --primary-2:#FF7A45;
  --accent:#22E1C4;
  --accent-2:#7C5CFF;
  --text-0:#F5F7FF;
  --text-1:#C3C9E0;
  --text-2:#8A93B2;
  --r-card:16px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(255,61,127,.5), 0 6px 24px rgba(255,61,127,.35);
  --container:1240px;
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.page-body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,14,26,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{border-bottom-color:rgba(255,61,127,.4);background:rgba(11,14,26,.88)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;font-weight:700;color:var(--text-0)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent-2));
  color:#fff;font-size:17px;font-weight:800;
  box-shadow:0 4px 16px rgba(124,92,255,.45);
}
.logo-text{font-size:16px;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;font-size:14px;color:var(--text-2);
  padding:8px 13px;border-radius:999px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--text-0)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--accent);background:rgba(34,225,196,.12)}
.nav-links a.active::after{display:none}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:12px;font-size:13px;color:var(--text-2);pointer-events:none}
.nav-search input{
  width:190px;height:38px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-0);font-size:13px;font-family:inherit;
  padding:0 12px 0 34px;outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--text-2)}
.nav-search input:focus{border-color:var(--accent);background:rgba(34,225,196,.06)}
.nav-toggle{
  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,.04);
  color:var(--text-0);font-size:16px;cursor:pointer;
}
.nav-mask{display:none}

/* ============ buttons ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff;font-size:15px;font-weight:700;font-family:inherit;
  box-shadow:var(--glow);white-space:nowrap;
  transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);color:#fff}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,61,127,.5),0 3px 12px rgba(255,61,127,.3)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  border:1px solid var(--accent);background:transparent;
  color:var(--accent);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;
  transition:background .25s ease,transform .25s ease;
}
.btn-outline:hover{background:rgba(34,225,196,.12);color:var(--accent);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:0;cursor:pointer;padding:8px 2px;
  color:var(--text-2);font-size:14px;font-family:inherit;
  transition:color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--text-0);transform:translateX(-3px)}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:260px;padding:52px 0 56px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,14,26,.96) 0%,rgba(11,14,26,.86) 46%,rgba(124,92,255,.34) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 46px);
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text-1)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1.5;
  padding:5px 12px;border-radius:999px;
}
.badge-accent{color:var(--accent);background:rgba(34,225,196,.12);border:1px solid rgba(34,225,196,.25)}
.badge-violet{color:#B9A8FF;background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.3)}
.hero-title{
  font-size:clamp(26px,4vw,42px);line-height:1.24;font-weight:700;
  color:var(--text-0);margin:16px 0 14px;letter-spacing:-.01em;
}
.hero-sub{font-size:16px;line-height:1.85;color:var(--text-1);max-width:660px;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ============ sections ============ */
.sec{padding:var(--sp) 0}
.sec-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-title{
  font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;
  color:var(--text-0);margin:0 0 12px;letter-spacing:-.01em;
}
.sec-desc{font-size:15px;line-height:1.85;color:var(--text-2);margin:0}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* guide */
.guide-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:34px;align-items:start}
.guide-text p{font-size:16px;line-height:1.9;color:var(--text-1);margin:0 0 16px;max-width:72ch}
.tick-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:13px}
.tick-list li{position:relative;padding-left:30px;font-size:15px;line-height:1.8;color:var(--text-1)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:5px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));opacity:.9;
}
.stat-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 24px 14px;box-shadow:var(--shadow-1);
}
.stat-card h3{font-size:15px;font-weight:700;color:var(--text-0);margin:0 0 8px}
.stat-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-child{border-bottom:0}
.stat-label{font-size:13px;color:var(--text-2)}
.stat-value{font-size:16px;font-weight:700;color:var(--text-0);font-variant-numeric:tabular-nums}
.stat-value.hot{color:var(--primary)}

/* steps */
.step-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.step-item{
  display:grid;grid-template-columns:66px 1fr;gap:18px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.step-item:hover{border-color:rgba(255,61,127,.45);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.step-num{
  font-size:26px;font-weight:800;line-height:1.2;
  color:transparent;-webkit-text-stroke:1px rgba(255,61,127,.75);
  font-variant-numeric:tabular-nums;
}
.step-title{font-size:18px;font-weight:600;color:var(--text-0);margin:0 0 8px;line-height:1.45}
.step-text{font-size:15px;line-height:1.85;color:var(--text-1);margin:0 0 12px;max-width:72ch}
.step-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12px;line-height:1.5;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text-2);
}
.tag-accent{color:var(--accent);background:rgba(34,225,196,.1);border-color:rgba(34,225,196,.25)}
.tag-primary{color:#FF8AAE;background:rgba(255,61,127,.12);border-color:rgba(255,61,127,.28)}
.tag-violet{color:#B9A8FF;background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.3)}

/* shot grid */
.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.shot-card{
  margin:0;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.shot-card:hover{border-color:rgba(34,225,196,.45);transform:translateY(-4px);box-shadow:var(--shadow-1)}
.media{position:relative;aspect-ratio:16/9;background:var(--bg-1);overflow:hidden}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.shot-card:hover .media img{transform:scale(1.04);filter:brightness(1.06)}
.media-fallback{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-2);letter-spacing:.08em;
  background:linear-gradient(135deg,var(--bg-1),var(--bg-2));
}
.shot-body{padding:18px 20px 22px}
.shot-body h3{font-size:16px;font-weight:600;color:var(--text-0);margin:0 0 8px}
.shot-body p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0}

/* faq */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:rgba(34,225,196,.4);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;
  color:var(--text-0);font-size:16px;font-weight:600;font-family:inherit;
  text-align:left;line-height:1.6;transition:color .2s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{font-size:13px;color:var(--accent);flex:none;transition:transform .3s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  padding:0 22px 20px;margin:0;font-size:15px;line-height:1.9;
  color:var(--text-1);max-width:72ch;
}

/* related links */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.link-card{
  display:block;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.link-card:hover{border-color:rgba(124,92,255,.55);transform:translateY(-4px);box-shadow:var(--shadow-1);color:inherit}
.link-card h3{font-size:17px;font-weight:600;color:var(--text-0);margin:0 0 8px}
.link-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0 0 14px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent)}
.link-foot{margin-top:28px}

/* cta */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;top:-40%;left:-12%;width:62%;height:190%;
  background:linear-gradient(90deg,rgba(255,61,127,.18),rgba(255,61,127,0));
  transform:skewX(-18deg);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;bottom:-60%;right:-6%;width:48%;height:180%;
  background:linear-gradient(90deg,rgba(34,225,196,0),rgba(34,225,196,.14));
  transform:skewX(-18deg);pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;color:var(--text-0);margin:0 0 10px;line-height:1.35}
.cta-inner p{font-size:15px;color:var(--text-2);margin:0;max-width:60ch;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13px;line-height:1.9;color:var(--text-2);margin:0;max-width:330px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-0);margin:0 0 14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{font-size:13px;color:var(--text-2)}
.footer-col a:hover{color:var(--text-0)}
.footer-bottom{
  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-2);
}

/* ============ responsive ============ */
@media (max-width:1023px){
  :root{--sp:64px}
  .nav-wrap{height:56px}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:78vw;max-width:340px;height:100vh;
    background:var(--bg-1);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:76px 20px 28px;overflow-y:auto;
    transform:translateX(105%);transition:transform .3s ease;z-index:90;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:15px;padding:12px 14px;border-radius:12px}
  .nav-links a::after{display:none}
  .nav-mask{
    display:block;position:fixed;inset:0;z-index:85;
    background:rgba(0,0,0,.6);opacity:0;visibility:hidden;
    transition:opacity .3s ease,visibility .3s ease;
  }
  .nav-mask.show{opacity:1;visibility:visible}
  .shot-grid{grid-template-columns:repeat(2,1fr)}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--sp:48px}
  .container{padding:0 16px}
  .logo-text{font-size:15px;white-space:normal;line-height:1.3;max-width:150px}
  .page-hero{padding:40px 0 44px;min-height:auto}
  .hero-actions .btn-main,.hero-actions .btn-outline{width:100%}
  .step-item{grid-template-columns:1fr;gap:10px;padding:20px}
  .step-num{font-size:22px}
  .shot-grid{grid-template-columns:1fr}
  .link-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:22px}
  .footer-bottom{flex-direction:column;gap:8px}
}