/* roulang page: index */
:root{
  --ink-950:#060A12;
  --ink-900:#0A111C;
  --ink-800:#101A2A;
  --primary:#2BE3C4;
  --primary-dim:rgba(43,227,196,.14);
  --secondary:#4D8DFF;
  --signal:#FFB020;
  --text:#E8EEF7;
  --text-2:#9AA9BF;
  --text-3:#66768F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --danger:#FF6B6B;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(43,227,196,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--s7:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15) 60%,transparent);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15) 60%,transparent);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-inline:clamp(20px,5vw,48px);
  position:relative;
  z-index:1;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),backdrop-filter var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s5);
  height:76px;
}
.logo{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo em{
  font-style:normal;
  color:var(--primary);
}
.logo:hover{text-decoration:none;color:var(--text);}
.nav-links{
  display:flex;
  align-items:center;
  gap:36px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding-bottom:6px;
  text-decoration:none;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:var(--s3);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  text-decoration:none;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease),box-shadow var(--t) var(--ease),opacity var(--t) var(--ease);
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:var(--primary);
  color:#04140F;
  padding:14px 30px;
  border-radius:var(--r-pill);
  box-shadow:var(--glow),inset 0 0 0 1px rgba(43,227,196,.45);
}
.btn-primary:hover{
  background:#4DEBD0;
  transform:translateY(-2px);
  box-shadow:0 12px 34px rgba(43,227,196,.32),inset 0 0 0 1px rgba(43,227,196,.6);
  color:#04140F;
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--text);
  padding:10px 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{
  border-color:var(--primary);
  background:rgba(43,227,196,.06);
  color:var(--text);
  transform:translateY(-2px);
}
.btn-line{
  background:transparent;
  color:var(--text);
  padding:12px 26px;
  border-radius:12px;
  border:1px solid var(--line-strong);
}
.btn-line:hover{border-color:var(--primary);background:rgba(43,227,196,.06);color:var(--text);transform:translateY(-2px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  text-decoration:none;
}
.link-arrow span.arw{display:inline-block;transition:transform var(--t) var(--ease);}
.link-arrow:hover span.arw{transform:translateX(3px);}
.link-arrow:hover{text-decoration:none;}
.menu-btn{
  display:none;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--text);
  border-radius:var(--r-pill);
  padding:9px 18px;
  font-size:14px;
  cursor:pointer;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.menu-btn:hover{border-color:var(--primary);background:rgba(43,227,196,.06);}
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(6,10,18,.94);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  padding:24px clamp(20px,5vw,48px) 40px;
  display:flex;
  flex-direction:column;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-close{
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
  border-radius:var(--r-pill);padding:9px 18px;font-size:14px;cursor:pointer;
}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  color:var(--text);
  padding:20px 0;
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.drawer nav a.active{color:var(--primary);}
.drawer nav a.active::before{
  content:"";
  width:4px;height:20px;border-radius:2px;background:var(--primary);
}
.drawer .drawer-cta{margin-top:32px;}
.drawer .drawer-cta .btn{width:100%;}

/* ---------- hero ---------- */
main{position:relative;z-index:1;padding-top:76px;}
.hero{
  padding-block:clamp(40px,6vw,80px) clamp(56px,7vw,96px);
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,196,.55),rgba(77,141,255,.35),transparent);
  opacity:.7;
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:clamp(24px,3.4vw,48px);
  align-items:start;
}
.cover-frame{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--ink-800);
}
.cover-frame img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  display:block;
  transition:transform 260ms var(--ease);
}
.cover-frame:hover img{transform:scale(1.02);}
.status-badge{
  position:absolute;
  top:16px;right:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  background:rgba(6,10,18,.72);
  border:1px solid rgba(255,176,32,.45);
  color:var(--signal);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.status-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--signal);
  animation:breathe 2.4s ease-in-out infinite;
}
.status-badge.is-idle{border-color:rgba(77,141,255,.45);color:var(--secondary);}
.status-badge.is-idle .status-dot{background:var(--secondary);animation:none;}
@keyframes breathe{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,176,32,.45);}
  50%{opacity:.55;box-shadow:0 0 0 5px rgba(255,176,32,0);}
}
.cover-bar{
  position:absolute;
  left:14px;right:14px;bottom:14px;
  display:flex;
  align-items:center;
  gap:var(--s3);
  flex-wrap:wrap;
  padding:12px 18px;
  border-radius:12px;
  background:rgba(10,17,28,.62);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  font-size:13px;
  color:var(--text-2);
}
.cover-bar strong{color:var(--text);font-weight:600;}
.cover-bar .sep{width:1px;height:12px;background:var(--line-strong);}
.hero-right h1{
  font-size:clamp(30px,3.5vw,46px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:.01em;
  margin-bottom:var(--s3);
}
.hero-right h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  font-size:18px;
  line-height:1.8;
  color:var(--text-2);
  margin-bottom:var(--s5);
  max-width:36em;
}
.countdown-wrap{
  padding:var(--s4);
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  margin-bottom:var(--s5);
}
.countdown-label{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s2);
  font-size:13px;
  color:var(--text-2);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.countdown-label b{color:var(--signal);font-weight:600;}
.countdown{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
}
.cd-cell{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 6px 10px;
  text-align:center;
}
.cd-cell .v{
  display:block;
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  line-height:1.1;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  transition:opacity 120ms linear;
}
.cd-cell .v.tick{opacity:.55;}
.cd-cell .u{
  display:block;
  margin-top:6px;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.points{
  border-top:1px solid var(--line);
  margin-bottom:var(--s5);
}
.points li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
}
.points li .idx{
  flex:0 0 26px;
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  padding-top:3px;
}
.points li b{color:var(--text);font-weight:600;}
.subscribe{
  padding:var(--s4);
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.subscribe h2{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
}
.subscribe p.hint{
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
  margin-bottom:14px;
}
.field-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.field-row input[type="email"]{
  flex:1 1 200px;
  min-width:0;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  border-radius:12px;
  color:var(--text);
  font-size:15px;
  padding:12px 16px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.field-row input[type="email"]::placeholder{color:var(--text-3);}
.field-row input[type="email"]:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,227,196,.14);
  background:rgba(255,255,255,.06);
}
.field-row .btn-primary{padding:12px 24px;font-size:15px;}
.form-note{
  margin-top:10px;
  font-size:12px;
  color:var(--text-3);
  line-height:1.6;
  min-height:18px;
}
.form-note.is-error{color:var(--danger);}

/* ---------- generic section ---------- */
.section{padding-block:clamp(56px,7vw,96px);position:relative;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--s4);
  margin-bottom:var(--s6);
  padding-bottom:var(--s3);
  border-bottom:1px solid var(--line);
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
}
.section-head .lead{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:46em;
  line-height:1.8;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:16px;height:1px;
  background:var(--primary);
  opacity:.7;
}

/* ---------- notice cards ---------- */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--s4);
}
.notice-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:0 12px 32px rgba(0,0,0,.45);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.notice-card:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.notice-thumb{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-img);
  margin:10px 10px 0;
  background:var(--ink-800);
}
.notice-thumb img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  transition:transform 260ms var(--ease);
}
.notice-card:hover .notice-thumb img{transform:scale(1.03);}
.badge{
  position:absolute;
  left:10px;top:10px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:rgba(6,10,18,.75);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.badge.live{color:var(--signal);border-color:rgba(255,176,32,.5);}
.badge.live i{width:6px;height:6px;border-radius:50%;background:var(--signal);display:inline-block;animation:breathe 2.4s ease-in-out infinite;}
.badge.soon{color:var(--secondary);border-color:rgba(77,141,255,.5);}
.badge.soon i{width:6px;height:6px;border-radius:50%;background:var(--secondary);display:inline-block;}
.badge.done{color:var(--text-3);}
.badge.done i{width:6px;height:6px;border-radius:50%;background:var(--text-3);display:inline-block;}
.notice-body{
  padding:18px 20px 20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.notice-body h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.notice-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.notice-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.notice-body .link-arrow{margin-top:auto;}

/* ---------- cms news list ---------- */
.news-list{
  border-top:1px solid var(--line);
}
.news-item{
  display:grid;
  grid-template-columns:120px 1fr auto;
  gap:var(--s4);
  align-items:center;
  padding:20px 16px;
  border-bottom:1px solid var(--line);
  text-decoration:none;
  color:inherit;
  border-radius:12px;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.news-item:hover{
  background:rgba(255,255,255,.03);
  text-decoration:none;
  transform:translateY(-1px);
}
.news-thumb{
  width:120px;
  height:80px;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--primary-dim);
  border:1px solid var(--line);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-main h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  transition:color var(--t) var(--ease);
  margin-bottom:6px;
}
.news-item:hover .news-main h3{color:var(--primary);}
.news-main p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  font-size:12px;
  color:var(--text-2);
  letter-spacing:.02em;
}
.empty-state{
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:18px;}
.news-more{display:flex;justify-content:center;margin-top:32px;}

/* ---------- why ---------- */
.why-grid{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:clamp(24px,4vw,64px);
  align-items:start;
}
.why-left h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
}
.why-left p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
.why-list{border-top:1px solid var(--line);}
.why-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:var(--s3);
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--t) var(--ease);
}
.why-item .no{
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  padding-top:3px;
}
.why-item h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
}
.why-item p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:border-color var(--t) var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s3);
  padding:20px 22px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  cursor:pointer;
}
.faq-q .ic{
  flex:0 0 20px;
  width:20px;height:20px;
  position:relative;
  transition:transform var(--t) var(--ease);
}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:1px;
}
.faq-q .ic::before{left:0;right:0;top:9px;height:1px;}
.faq-q .ic::after{top:0;bottom:0;left:9px;width:1px;}
.faq-item.is-open .faq-q .ic{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms var(--ease);
  border-top:1px solid transparent;
}
.faq-item.is-open .faq-a{
  border-top-color:rgba(43,227,196,.35);
  background:linear-gradient(90deg,rgba(43,227,196,.12),transparent 60%);
}
.faq-a p{
  padding:16px 22px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- cta band ---------- */
.cta-band{
  border:1px solid var(--line-strong);
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  padding:clamp(28px,4vw,48px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s5);
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  font-weight:700;
  margin-bottom:10px;
}
.cta-band p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:46em;}
.cta-band .btn{flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:clamp(56px,7vw,96px);
  border-top:1px solid var(--line);
  background:var(--ink-950);
  padding-block:clamp(40px,5vw,64px) 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(24px,4vw,48px);
  padding-bottom:var(--s6);
}
.footer-brand .logo{font-size:18px;display:inline-block;margin-bottom:14px;}
.footer-brand p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  max-width:26em;
}
.footer-contact{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}
.footer-contact a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:12px;
  text-decoration:none;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.footer-contact a:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}
.footer-col h3{
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--text-3);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--text-2);
  text-decoration:none;
  transition:color var(--t) var(--ease);
}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-block:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s3);
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{color:var(--text-3);text-decoration:none;}
.footer-bottom .links a:hover{color:var(--text-2);}

/* ---------- mobile sticky bar ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:110;
  height:56px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 16px;
  background:rgba(10,17,28,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-bar span{font-size:13px;color:var(--text-2);}
.mobile-bar .btn{padding:9px 18px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:6fr 6fr;}
}
@media (max-width:1100px){
  .notice-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:span 1;}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
}
@media (max-width:768px){
  .notice-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:96px 1fr;}
  .news-thumb{width:96px;height:68px;}
  .news-meta{
    grid-column:1 / -1;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:10px;
    padding-left:0;
  }
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .hero-right h1{font-size:30px;}
  .cd-cell{padding:10px 4px 8px;}
  .cd-cell .v{font-size:26px;}
  .countdown{gap:8px;}
  .field-row{flex-direction:column;}
  .field-row input[type="email"]{width:100%;flex:1 1 auto;}
  .field-row .btn-primary{width:100%;}
  .btn-primary,.btn-line{width:100%;}
  .cta-band .btn{width:100%;}
  .faq-q{padding:16px;}
  .faq-a p{padding:14px 16px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .cover-bar{left:10px;right:10px;bottom:10px;padding:10px 12px;gap:10px;font-size:12px;}
  .why-item{grid-template-columns:44px 1fr;padding:22px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .btn:hover,.notice-card:hover,.news-item:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --ink-950:#060A12;
  --ink-900:#0A111C;
  --ink-800:#101A2A;
  --primary:#2BE3C4;
  --secondary:#4D8DFF;
  --signal:#FFB020;
  --text:#E8EEF7;
  --text-2:#9AA9BF;
  --text-3:#66768F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --danger:#FF6B6B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-sm:12px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(43,227,196,.22), inset 0 0 0 1px rgba(43,227,196,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--ink-950);
  color:var(--text);
  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-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:clamp(20px,5vw,48px);
  padding-right:clamp(20px,5vw,48px);
  position:relative;
  z-index:1;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
  border-bottom:1px solid transparent;
  background:transparent;
}
.site-header.scrolled{
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-5);
  height:72px;
}
.logo{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.01em;
  white-space:nowrap;
  text-decoration:none;
}
.logo em{font-style:normal;color:var(--primary);}
.logo:hover{text-decoration:none;}
.nav-links{
  display:flex;
  align-items:center;
  gap:36px;
  margin-left:auto;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  text-decoration:none;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:var(--sp-2);margin-left:auto;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  padding:13px 28px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  text-decoration:none;
  line-height:1.2;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:var(--primary);
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  background:#4aecd1;
  transform:translateY(-2px);
  box-shadow:0 12px 34px rgba(43,227,196,.3), inset 0 0 0 1px rgba(43,227,196,.5);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  border-color:rgba(255,255,255,.18);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{
  border-color:var(--primary);
  background:rgba(43,227,196,.06);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-block{width:100%;}
.menu-toggle{
  display:none;
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
  border-radius:var(--r-sm);
  padding:9px 14px;
  font-size:14px;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(6,10,18,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:88px clamp(20px,6vw,40px) 40px;
  display:flex;
  flex-direction:column;
  gap:0;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:20px;
  color:var(--text-2);
  padding:20px 0;
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.drawer a.active{color:var(--primary);}
.drawer a.active::before{
  content:"";
  width:4px;height:4px;
  border-radius:50%;
  background:var(--primary);
}
.drawer .drawer-close{
  position:absolute;
  top:20px;right:clamp(20px,6vw,40px);
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
  border-radius:var(--r-sm);
  padding:9px 16px;
  font-size:14px;
  cursor:pointer;
}

/* ---------- Page head ---------- */
.page-head{
  padding:132px 0 0;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:var(--sp-4);
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb span.sep{color:var(--text-3);opacity:.7;}
.page-head h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.16;
  max-width:820px;
}
.page-head h1 em{font-style:normal;color:var(--primary);}
.page-lead{
  margin-top:var(--sp-4);
  max-width:760px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.85;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-5);}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:6px 14px;
  background:rgba(255,255,255,.02);
}
.tag .dot{width:6px;height:6px;border-radius:50%;background:var(--secondary);}
.tag .dot.signal{background:var(--signal);}
.tag .dot.mute{background:var(--text-3);}

/* ---------- Banner ---------- */
.page-banner{
  margin-top:var(--sp-6);
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.banner-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.32;
  filter:saturate(.8);
}
.banner-inner{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  min-height:330px;
  padding-top:var(--sp-6);
  padding-bottom:var(--sp-6);
}
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  padding:var(--sp-5);
}
.banner-card{
  width:100%;
  max-width:420px;
}
.banner-card h2{
  font-size:20px;
  margin-bottom:var(--sp-3);
}
.banner-list li{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
}
.banner-list li:last-child{border-bottom:0;}
.banner-list b{
  color:var(--text);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.banner-card .note{
  margin-top:var(--sp-3);
  font-size:13px;
  color:var(--text-3);
  line-height:1.6;
}

/* ---------- Sections ---------- */
section.block{
  padding:96px 0;
  position:relative;
}
section.block.tight{padding-top:72px;}
.block-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-4);
  margin-bottom:var(--sp-6);
}
.block-head h2{
  font-size:clamp(24px,3vw,30px);
}
.block-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:620px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--primary);
  white-space:nowrap;
}
.link-arrow i{font-style:normal;transition:transform .2s var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- Split blocks ---------- */
.split-block{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:var(--sp-7);
  align-items:center;
  padding:var(--sp-6) 0;
  border-top:1px solid var(--line);
}
.split-block:first-of-type{border-top:0;padding-top:0;}
.split-block.reverse .split-media{order:2;}
.split-block.reverse .split-text{order:1;}
.split-media{position:relative;}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.split-media .fig{
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
}
.step-tag{
  display:inline-block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--primary);
  border:1px solid rgba(43,227,196,.35);
  border-radius:var(--r-btn);
  padding:4px 14px;
  margin-bottom:var(--sp-3);
  font-variant-numeric:tabular-nums;
}
.split-text h3{
  font-size:22px;
  margin-bottom:var(--sp-3);
}
.split-text p{
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
  margin-bottom:var(--sp-3);
}
.tick-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--text-2);
  margin-bottom:12px;
  line-height:1.7;
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:14px;height:1px;
  background:var(--primary);
}

/* ---------- Checklist ---------- */
.checklist{
  border-top:1px solid var(--line);
}
.checklist li{
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:var(--sp-4);
  align-items:baseline;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.checklist li:hover{background:rgba(255,255,255,.02);}
.checklist .idx{
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.checklist h3{font-size:18px;margin-bottom:6px;}
.checklist p{font-size:15px;color:var(--text-2);max-width:640px;}
.checklist .meta{
  font-size:13px;
  color:var(--text-3);
  white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  position:relative;
  transition:border-color .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.open::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,var(--primary),rgba(43,227,196,0));
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  background:transparent;
  border:0;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  text-align:left;
  padding:20px 24px;
  cursor:pointer;
  line-height:1.5;
}
.faq-icon{
  position:relative;
  width:14px;height:14px;
  flex:none;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  border-radius:2px;
}
.faq-icon::before{left:0;top:6.5px;width:14px;height:1px;}
.faq-icon::after{top:0;left:6.5px;height:14px;width:1px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-5);
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  padding:var(--sp-6);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:10px;flex:none;}
.cta-actions .note{font-size:12px;color:var(--text-3);text-align:center;}

/* ---------- Form ---------- */
.field{margin-top:var(--sp-3);}
.field label{
  display:block;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:8px;
}
.field input{
  width:100%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text);
  font-size:15px;
  padding:13px 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  font-family:inherit;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,227,196,.14);
}
.field .hint{
  margin-top:8px;
  font-size:12px;
  color:var(--text-3);
}

/* ---------- Sticky summary (page 1 uses light summary instead) ---------- */
.summary-card{
  position:sticky;
  top:96px;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--ink-950);
  padding:72px 0 28px;
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:var(--sp-6);
}
.footer-brand p{
  margin-top:var(--sp-2);
  font-size:14px;
  color:var(--text-2);
  max-width:320px;
  line-height:1.8;
}
.footer-contact{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:var(--sp-4);
  font-size:13px;
  color:var(--text-3);
}
.footer-contact a{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  font-size:13px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-contact a:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
  text-decoration:none;
}
.footer-col h3{
  font-size:14px;
  color:var(--text);
  margin-bottom:var(--sp-3);
  font-weight:600;
  letter-spacing:.02em;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-3);
  flex-wrap:wrap;
  margin-top:var(--sp-6);
  padding-top:var(--sp-4);
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  align-items:center;
}
.footer-bottom .links a{color:var(--text-3);}
.footer-bottom .links a:hover{color:var(--primary);}

/* ---------- Mobile sticky bar ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  height:56px;
  background:rgba(10,17,28,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  align-items:center;
  gap:12px;
  padding:0 16px;
}
.mobile-bar a{
  flex:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:38px;
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:600;
}
.mobile-bar .bar-ghost{
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
}
.mobile-bar .bar-main{
  background:var(--primary);
  color:#04140F;
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .split-block{grid-template-columns:1fr 1fr;gap:var(--sp-6);}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-ghost{display:none;}
  .page-head{padding-top:112px;}
  .banner-inner{justify-content:center;min-height:280px;}
  .banner-card{max-width:520px;}
  .split-block{grid-template-columns:1fr;gap:var(--sp-4);}
  .split-block.reverse .split-media{order:0;}
  .split-block.reverse .split-text{order:0;}
  section.block{padding:72px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-5);}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .block-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .checklist li{grid-template-columns:44px 1fr;gap:12px;}
  .checklist .meta{grid-column:2;justify-self:start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
  .faq-q{padding:18px;font-size:16px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:519px){
  .page-head h1{font-size:30px;}
  .cta-band{padding:var(--sp-4);}
  .glass-card{padding:var(--sp-4);}
  .footer-grid{grid-template-columns:1fr;}
  .mobile-bar{gap:8px;padding:0 12px;}
  .mobile-bar a{font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink-950:#060A12;
  --ink-900:#0A111C;
  --ink-800:#101A2A;
  --primary:#2BE3C4;
  --secondary:#4D8DFF;
  --signal:#FFB020;
  --text:#E8EEF7;
  --text-2:#9AA9BF;
  --text-3:#66768F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.045);
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:
    radial-gradient(920px 440px at 80% -10%, rgba(77,141,255,.10), transparent 70%),
    radial-gradient(760px 380px at 8% 2%, rgba(43,227,196,.075), transparent 72%),
    var(--ink-950);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  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:72px 72px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(43,227,196,.28);color:#fff;}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:clamp(20px,5vw,48px);
  padding-right:clamp(20px,5vw,48px);
}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:50;
  transition:background .24s var(--ease), border-color .24s var(--ease), backdrop-filter .24s var(--ease);
  background:transparent;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  height:72px;
}
.logo{
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
  transition:opacity .2s var(--ease);
}
.logo em{font-style:normal;color:var(--primary);}
.logo:hover{opacity:.85;}
.nav-links{
  display:flex;
  align-items:center;
  gap:36px;
  margin-left:auto;
  margin-right:8px;
}
.nav-links a{
  position:relative;
  font-size:14.5px;
  color:var(--text-2);
  padding-bottom:6px;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:var(--primary);
  opacity:0;
  transform:scaleX(.4);
  transform-origin:left center;
  transition:opacity .2s var(--ease), transform .24s var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.header-actions{display:flex;align-items:center;gap:14px;}

.menu-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  font-size:14px;
  color:var(--text);
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:999px;
  cursor:pointer;
  transition:.2s var(--ease);
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}
.menu-toggle .bars{display:inline-block;width:14px;height:10px;position:relative;}
.menu-toggle .bars::before,
.menu-toggle .bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;border-radius:2px;
  transition:.24s var(--ease);
}
.menu-toggle .bars::before{top:0;}
.menu-toggle .bars::after{bottom:0;}

.drawer{
  display:none;
  position:fixed;
  top:72px;
  left:0;
  right:0;
  bottom:0;
  z-index:60;
  padding:28px clamp(20px,5vw,48px) 48px;
  background:rgba(6,10,18,.93);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .24s var(--ease), transform .24s var(--ease), visibility .24s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-nav{display:grid;gap:0;}
.drawer-nav a{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:20px;
  color:var(--text);
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.drawer-nav a::before{
  content:"";
  width:4px;height:4px;border-radius:50%;
  background:var(--primary);
  opacity:0;
  transition:opacity .2s var(--ease);
}
.drawer-nav a.active{color:var(--primary);}
.drawer-nav a.active::before{opacity:1;}
.drawer-foot{margin-top:28px;color:var(--text-3);font-size:13px;line-height:1.9;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), color .22s var(--ease), filter .22s var(--ease);
}
.btn-primary{
  background:var(--primary);
  color:#04140F;
  box-shadow:0 8px 28px rgba(43,227,196,.22), inset 0 0 0 1px rgba(43,227,196,.45);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 34px rgba(43,227,196,.3), inset 0 0 0 1px rgba(43,227,196,.55);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(43,227,196,.06);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:13.5px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--primary);
  transition:gap .22s var(--ease), color .2s var(--ease);
}
.text-link .arrow{transition:transform .22s var(--ease);}
.text-link:hover .arrow{transform:translateX(3px);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--text-2);
  border:1px solid var(--line-strong);
  border-radius:999px;
  white-space:nowrap;
}

/* ===== 文章头部 ===== */
.site-main{position:relative;z-index:1;}
.article-hero{
  position:relative;
  padding:126px 0 44px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  opacity:.16;
  z-index:0;
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.95), transparent 92%);
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.95), transparent 92%);
}
.article-hero .container{position:relative;z-index:1;}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:12.5px;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{
  color:var(--text-3);
  max-width:52ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.article-head{max-width:840px;}
.article-head .tag{margin-bottom:20px;color:var(--primary);border-color:rgba(43,227,196,.35);background:rgba(43,227,196,.07);}
.article-head h1{
  font-size:clamp(30px,3.6vw,40px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
  margin-bottom:22px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  padding:14px 0;
  font-size:13.5px;
  color:var(--text-3);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.article-meta time,
.article-meta .num{font-variant-numeric:tabular-nums;color:var(--text-2);}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.24);}

/* ===== 正文布局 ===== */
.article-section{padding:56px 0 24px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.85;
  color:#DCE4F0;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:clamp(24px,2.4vw,29px);
  line-height:1.4;
  font-weight:700;
  color:var(--text);
  margin:48px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:4px;
  height:1em;
  border-radius:2px;
  background:var(--primary);
}
.article-body h3{
  font-size:21px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
  margin:34px 0 12px;
}
.article-body h4{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
  margin:28px 0 10px;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.3em;
  padding-left:1.35em;
  list-style:revert;
}
.article-body li{margin:.4em 0;}
.article-body li::marker{color:var(--primary);}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(43,227,196,.35);
  transition:border-color .2s var(--ease);
}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body img{
  width:100%;
  height:auto;
  border-radius:12px;
  border:1px solid var(--line);
  margin:26px 0;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--text-3);
  margin-top:10px;
  text-align:center;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border:1px solid var(--line);
  border-left:3px solid var(--primary);
  border-radius:12px;
  background:var(--glass);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,
.article-body td{
  padding:11px 14px;
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.article-body thead th{
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-weight:600;
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body code{
  padding:2px 6px;
  border-radius:6px;
  background:rgba(255,255,255,.07);
  font-size:.9em;
  color:var(--primary);
}
.article-body pre{
  margin:24px 0;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.05);
  overflow-x:auto;
}
.article-body pre code{background:none;padding:0;color:var(--text-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0;}

/* ===== 空态 ===== */
.empty-state{
  padding:48px 28px;
  text-align:center;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--glass);
  box-shadow:var(--shadow);
}
.empty-state h2{font-size:22px;margin-bottom:12px;color:var(--text);}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px;}

/* ===== 侧栏 ===== */
.article-side{
  position:sticky;
  top:96px;
  display:grid;
  gap:18px;
}
.side-card{
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:0 12px 32px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
}
.side-title{
  font-size:13px;
  font-weight:600;
  color:var(--text-3);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.side-list{display:grid;gap:12px;}
.side-list > div{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  font-size:13.5px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-list > div:last-child{border-bottom:0;padding-bottom:0;}
.side-list dt{color:var(--text-3);flex:none;}
.side-list dd{
  margin:0;
  color:var(--text-2);
  text-align:right;
  font-variant-numeric:tabular-nums;
  overflow:hidden;
  text-overflow:ellipsis;
}
.side-actions{display:grid;gap:10px;margin-top:20px;}
.side-actions .btn{width:100%;}
.side-tip p{
  font-size:13.5px;
  line-height:1.9;
  color:var(--text-2);
}
.side-tip{border-left:3px solid rgba(255,176,32,.55);}

/* ===== 相关推荐 ===== */
.related{padding:64px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.35;}
.section-head p{color:var(--text-2);font-size:14.5px;margin-top:8px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--glass);
  box-shadow:0 12px 32px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .22s var(--ease), border-color .22s var(--ease);
}
.related-card:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.related-thumb{
  position:relative;
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:rgba(43,227,196,.12);
  border:1px solid var(--line);
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:12px;
  transition:transform .4s var(--ease);
}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-card h3{font-size:17px;line-height:1.5;color:var(--text);font-weight:600;}
.related-card p{font-size:13.5px;line-height:1.8;color:var(--text-2);}
.related-card .text-link{margin-top:auto;}

/* ===== 返回入口 ===== */
.back-row{padding:40px 0 0;}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease), gap .2s var(--ease);
}
.back-link:hover{color:var(--primary);gap:11px;}

/* ===== CTA ===== */
.cta-section{padding:80px 0 0;}
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:38px clamp(24px,4vw,44px);
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:
    radial-gradient(600px 240px at 12% 0%, rgba(43,227,196,.10), transparent 70%),
    var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:0 12px 32px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.06);
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:46ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:96px;
  padding-top:64px;
  border-top:1px solid var(--line);
  background:var(--ink-950);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo{font-size:20px;display:inline-block;margin-bottom:16px;}
.footer-brand p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.9;
  max-width:330px;
}
.footer-contact{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:22px;
  font-size:13px;
  color:var(--text-3);
}
.footer-contact a{
  width:34px;height:34px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--text-2);
  font-size:13px;
  transition:.2s var(--ease);
}
.footer-contact a:hover{border-color:var(--primary);color:var(--primary);background:rgba(43,227,196,.07);}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding:20px 0 30px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.footer-bottom a{transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--primary);}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .drawer{display:block;}
  .header-actions .btn{display:none;}
  .article-hero{padding:112px 0 36px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:768px){
  .article-head h1{font-size:clamp(28px,6vw,32px);}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:23px;margin-top:38px;}
  .article-body h3{font-size:19px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-side{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
}
@media (max-width:520px){
  .container{padding-left:20px;padding-right:20px;}
  .article-hero{padding:100px 0 32px;}
  .article-head h1{font-size:30px;line-height:1.32;}
  .article-meta{gap:10px;font-size:12.5px;}
  .article-body{font-size:16px;}
  .btn{padding:13px 24px;width:100%;}
  .btn-sm{width:auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .side-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
    --ink-950:#060A12;
    --ink-900:#0A111C;
    --ink-800:#101A2A;
    --primary:#2BE3C4;
    --secondary:#4D8DFF;
    --signal:#FFB020;
    --text:#E8EEF7;
    --text-2:#9AA9BF;
    --text-3:#66768F;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --glass:rgba(255,255,255,.045);
    --radius:16px;
    --radius-sm:12px;
    --shadow:0 12px 32px rgba(0,0,0,.45);
    --glow:0 8px 28px rgba(43,227,196,.22), inset 0 0 0 1px rgba(43,227,196,.45);
    --ease:cubic-bezier(.2,.7,.3,1);
    --space-1:8px;
    --space-2:12px;
    --space-3:16px;
    --space-4:24px;
    --space-5:32px;
    --space-6:48px;
    --space-7:64px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:
      linear-gradient(180deg,rgba(43,227,196,.05),rgba(6,10,18,0) 340px),
      var(--ink-950);
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background-image:
      linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15) 70%,transparent);
  }
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;}
  h1{font-size:clamp(30px,4vw,44px);line-height:1.18;}
  h2{font-size:clamp(24px,2.6vw,30px);}
  h3{font-size:20px;line-height:1.4;}
  p{margin:0 0 var(--space-3);color:var(--text-2);}
  a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
  a:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
  img{max-width:100%;display:block;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button{font:inherit;cursor:pointer;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 clamp(20px,5vw,48px);
    position:relative;
    z-index:1;
  }
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:80;
    transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
    border-bottom:1px solid transparent;
    background:transparent;
  }
  .site-header.scrolled{
    background:rgba(6,10,18,.72);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:var(--space-5);
    height:74px;
  }
  .logo{
    font-size:19px;
    font-weight:700;
    color:var(--text);
    letter-spacing:.01em;
    white-space:nowrap;
  }
  .logo em{font-style:normal;color:var(--primary);}
  .logo:hover{text-decoration:none;}
  .nav-links{
    display:flex;
    align-items:center;
    gap:clamp(20px,2.6vw,38px);
  }
  .nav-links a{
    position:relative;
    color:var(--text-2);
    font-size:14.5px;
    padding:8px 0;
    white-space:nowrap;
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:1px;
    background:var(--primary);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .22s var(--ease);
  }
  .nav-links a:hover{color:var(--text);text-decoration:none;}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.active{color:var(--primary);}
  .nav-links a.active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:var(--space-2);}
  .menu-toggle{
    display:none;
    background:none;
    border:1px solid var(--line-strong);
    color:var(--text);
    border-radius:999px;
    padding:8px 18px;
    font-size:14px;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .menu-toggle:hover{border-color:var(--primary);color:var(--primary);}
  .drawer{
    position:fixed;
    inset:0;
    z-index:90;
    background:rgba(6,10,18,.94);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    padding:88px clamp(20px,6vw,40px) 40px;
    display:flex;
    flex-direction:column;
    gap:var(--space-4);
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-close{
    position:absolute;
    top:20px;right:clamp(20px,6vw,40px);
    background:none;
    border:1px solid var(--line-strong);
    color:var(--text);
    border-radius:999px;
    padding:8px 18px;
    font-size:14px;
  }
  .drawer nav{display:flex;flex-direction:column;}
  .drawer nav a{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:20px;
    color:var(--text);
    padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .drawer nav a::before{
    content:"";
    width:4px;height:4px;
    border-radius:50%;
    background:transparent;
  }
  .drawer nav a.active{color:var(--primary);}
  .drawer nav a.active::before{background:var(--primary);}
  .drawer .btn{margin-top:var(--space-3);justify-content:center;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:999px;
    padding:14px 30px;
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
    text-align:center;
  }
  .btn:hover{text-decoration:none;}
  .btn-primary{
    background:var(--primary);
    color:#04120F;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{background:#4BEBD0;transform:translateY(-2px);box-shadow:0 12px 34px rgba(43,227,196,.34),inset 0 0 0 1px rgba(43,227,196,.6);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{
    border-color:rgba(255,255,255,.18);
    color:var(--text);
    background:transparent;
  }
  .btn-ghost:hover{border-color:var(--primary);background:rgba(43,227,196,.06);color:var(--primary);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:10px 22px;font-size:14px;}
  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:none;
    border:none;
    padding:0;
    color:var(--primary);
    font-size:14.5px;
    font-weight:600;
  }
  .btn-text .arrow{transition:transform .2s var(--ease);}
  .btn-text:hover .arrow{transform:translateX(3px);}
  .btn-block{width:100%;}

  /* ---------- 徽章 / 状态点 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    border:1px solid var(--line-strong);
    border-radius:999px;
    padding:5px 14px;
    font-size:12px;
    line-height:1.6;
    color:var(--text-2);
    white-space:nowrap;
  }
  .badge-live{border-color:rgba(255,176,32,.5);color:var(--signal);}
  .badge-soon{border-color:rgba(77,141,255,.4);color:var(--secondary);}
  .badge-end{color:var(--text-3);}
  .dot{width:6px;height:6px;border-radius:50%;flex:none;}
  .dot-live{background:var(--signal);animation:breathe 2.4s ease-in-out infinite;}
  .dot-soon{background:var(--secondary);}
  .dot-end{background:var(--text-3);}
  @keyframes breathe{
    0%,100%{box-shadow:0 0 0 0 rgba(255,176,32,.55);opacity:1;}
    50%{box-shadow:0 0 0 6px rgba(255,176,32,0);opacity:.72;}
  }

  /* ---------- 页面头 ---------- */
  .page-head{padding:132px 0 56px;}
  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    font-size:12.5px;
    color:var(--text-3);
    margin-bottom:var(--space-4);
  }
  .crumb a{color:var(--text-3);}
  .crumb a:hover{color:var(--primary);text-decoration:none;}
  .crumb .sep{color:rgba(255,255,255,.2);}
  .crumb .now{color:var(--text-2);}
  .page-head h1{max-width:22ch;}
  .page-head h1 em{font-style:normal;color:var(--primary);}
  .lede{
    margin-top:var(--space-3);
    max-width:62ch;
    font-size:17px;
    color:var(--text-2);
  }
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--space-4);}
  .tag{
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    border-radius:999px;
    padding:6px 16px;
    font-size:13px;
    color:var(--text-2);
  }

  /* ---------- 横幅 ---------- */
  .banner{padding-top:8px;}
  .banner-inner{
    position:relative;
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow);
    min-height:340px;
    display:flex;
    align-items:flex-end;
  }
  .banner-inner img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .banner-inner::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,rgba(6,10,18,.92) 4%,rgba(6,10,18,.55) 55%,rgba(6,10,18,.25) 100%);
  }
  .banner-card{
    position:relative;
    z-index:2;
    margin:clamp(20px,3vw,36px);
    margin-left:auto;
    max-width:360px;
    width:100%;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius);
    padding:24px;
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 32px rgba(0,0,0,.4);
  }
  .banner-card h2{font-size:17px;margin-bottom:var(--space-3);color:var(--text);}
  .stat-list{display:flex;flex-direction:column;gap:14px;}
  .stat-list li{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:16px;
    padding-bottom:14px;
    border-bottom:1px solid var(--line);
  }
  .stat-list li:last-child{border-bottom:none;padding-bottom:0;}
  .stat-label{font-size:13px;color:var(--text-2);}
  .stat-value{font-size:20px;font-weight:700;color:var(--primary);}
  .stat-value.is-signal{color:var(--signal);}

  /* ---------- 日程主体 ---------- */
  .schedule{padding:clamp(56px,7vw,96px) 0;position:relative;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:var(--space-4);
    flex-wrap:wrap;
    margin-bottom:var(--space-6);
  }
  .section-head p{margin:8px 0 0;font-size:15px;max-width:52ch;}
  .schedule-grid{
    display:grid;
    grid-template-columns:minmax(0,1fr) 340px;
    gap:clamp(28px,4vw,56px);
    align-items:start;
  }
  .entry-list{border-top:1px solid var(--line);}
  .entry{
    display:grid;
    grid-template-columns:56px minmax(0,1fr) auto;
    gap:clamp(16px,2.4vw,28px);
    padding:28px 0;
    border-bottom:1px solid var(--line);
    transition:background .22s var(--ease),border-color .22s var(--ease);
  }
  .entry:hover{background:rgba(255,255,255,.03);border-bottom-color:var(--line-strong);}
  .entry-no{
    font-size:15px;
    font-weight:700;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
    padding-top:3px;
  }
  .entry:hover .entry-no{color:var(--primary);}
  .entry h3{font-size:19px;margin-bottom:8px;color:var(--text);}
  .entry:hover h3{color:var(--primary);}
  .entry-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    font-size:13.5px;
    color:var(--text-2);
    font-variant-numeric:tabular-nums;
    margin-bottom:10px;
  }
  .entry-meta .sep{color:rgba(255,255,255,.2);}
  .entry p{margin:0 0 12px;font-size:15px;line-height:1.8;max-width:52ch;}
  .entry-side{display:flex;flex-direction:column;align-items:flex-end;gap:14px;padding-top:2px;}

  /* 粘性摘要卡 */
  .sidebar{position:sticky;top:98px;display:flex;flex-direction:column;gap:var(--space-4);}
  .card{
    background:var(--glass);
    border:1px solid rgba(255,255,255,.10);
    border-radius:var(--radius);
    padding:24px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }
  .card h3{font-size:17px;margin-bottom:var(--space-3);}
  .card .thumb{
    border-radius:var(--radius-sm);
    overflow:hidden;
    border:1px solid var(--line);
    margin-bottom:var(--space-3);
  }
  .card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .countdown{
    display:flex;
    gap:10px;
    margin:var(--space-3) 0;
  }
  .countdown div{
    flex:1;
    min-width:0;
    text-align:center;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:999px;
    padding:10px 4px;
  }
  .countdown strong{
    display:block;
    font-size:22px;
    font-weight:700;
    color:var(--signal);
    font-variant-numeric:tabular-nums;
    line-height:1.2;
  }
  .countdown span{display:block;font-size:12px;color:var(--text-3);}
  .field{margin-top:var(--space-3);}
  .field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
  .field input{
    width:100%;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    padding:12px 14px;
    color:var(--text);
    font-size:14.5px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field input::placeholder{color:var(--text-3);}
  .field input:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(43,227,196,.14);
  }
  .field .hint{font-size:12px;color:var(--text-3);margin-top:8px;line-height:1.6;}
  .card .btn{margin-top:var(--space-3);}
  .mini-list{display:flex;flex-direction:column;gap:12px;font-size:14px;}
  .mini-list li{display:flex;align-items:center;gap:10px;color:var(--text-2);}
  .mini-list li .dot{flex:none;}

  /* ---------- 状态图例 ---------- */
  .legend{padding:0 0 clamp(56px,7vw,96px);}
  .legend-box{
    border:1px solid var(--line);
    border-radius:var(--radius);
    background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
    padding:clamp(24px,3vw,36px);
  }
  .legend-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:0;
    margin-top:var(--space-4);
  }
  .legend-item{
    padding:0 clamp(16px,2.4vw,28px);
    border-left:1px solid var(--line);
  }
  .legend-item:first-child{border-left:none;padding-left:0;}
  .legend-item h3{font-size:16px;margin:12px 0 6px;}
  .legend-item p{margin:0;font-size:14px;line-height:1.75;}

  /* ---------- CTA ---------- */
  .cta-band{padding:0 0 clamp(64px,8vw,110px);}
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:var(--space-5);
    flex-wrap:wrap;
    border:1px solid var(--line-strong);
    border-radius:var(--radius);
    padding:clamp(28px,4vw,48px);
    background:
      radial-gradient(120% 160% at 0% 0%,rgba(43,227,196,.10),rgba(43,227,196,0) 60%),
      rgba(255,255,255,.04);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  }
  .cta-inner h2{margin-bottom:10px;font-size:clamp(22px,2.4vw,28px);}
  .cta-inner p{margin:0;max-width:52ch;font-size:15px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    border-top:1px solid var(--line);
    background:var(--ink-950);
    padding:clamp(48px,6vw,80px) 0 28px;
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:clamp(24px,4vw,48px);
    padding-bottom:var(--space-6);
    border-bottom:1px solid var(--line);
  }
  .footer-brand .logo{font-size:20px;display:inline-block;margin-bottom:var(--space-3);}
  .footer-brand p{font-size:14px;max-width:34ch;line-height:1.8;}
  .footer-contact{display:flex;align-items:center;gap:10px;margin-top:var(--space-3);}
  .footer-contact span{font-size:13px;color:var(--text-3);margin-right:4px;}
  .footer-contact a{
    width:34px;height:34px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line-strong);
    border-radius:50%;
    font-size:13px;
    color:var(--text-2);
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  }
  .footer-contact a:hover{border-color:var(--primary);color:var(--primary);background:rgba(43,227,196,.06);text-decoration:none;}
  .footer-col h3{font-size:14px;color:var(--text);margin-bottom:var(--space-3);font-weight:600;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:var(--text-2);}
  .footer-col a:hover{color:var(--primary);text-decoration:none;}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:var(--space-3);
    flex-wrap:wrap;
    padding-top:var(--space-4);
    font-size:13px;
    color:var(--text-3);
  }
  .footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
  .footer-bottom .links a{color:var(--text-3);font-size:13px;}
  .footer-bottom .links a:hover{color:var(--primary);text-decoration:none;}

  /* ---------- 移动粘性条 ---------- */
  .mobile-bar{
    display:none;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    height:56px;
    background:rgba(6,10,18,.92);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    padding:0 12px;
    gap:10px;
    align-items:center;
  }
  .mobile-bar .btn{flex:1;padding:9px 12px;font-size:14px;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1100px){
    .schedule-grid{grid-template-columns:minmax(0,1fr) 300px;}
    .banner-card{max-width:320px;}
  }
  @media (max-width:991px){
    .nav-links{display:none;}
    .menu-toggle{display:inline-flex;}
    .header-actions .btn-ghost{display:none;}
    .page-head{padding-top:112px;}
    .schedule-grid{grid-template-columns:minmax(0,1fr);}
    .sidebar{position:static;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .legend-grid{grid-template-columns:1fr;}
    .legend-item{border-left:none;padding:20px 0;border-top:1px solid var(--line);}
    .legend-item:first-child{border-top:none;padding-top:0;}
  }
  @media (max-width:768px){
    body{font-size:16px;}
    .banner-inner{min-height:0;flex-direction:column;align-items:stretch;}
    .banner-inner::after{background:linear-gradient(180deg,rgba(6,10,18,.35) 0%,rgba(6,10,18,.88) 65%);}
    .banner-card{margin:0;max-width:none;border-radius:0;border-left:none;border-right:none;border-bottom:none;margin-top:180px;background:rgba(10,17,28,.92);}
    .entry{grid-template-columns:40px minmax(0,1fr);}
    .entry-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1;}
    .mobile-bar{display:flex;}
    body{padding-bottom:56px;}
  }
  @media (max-width:520px){
    .container{padding:0 20px;}
    .page-head h1{font-size:30px;}
    .header-inner{height:66px;}
    .logo{font-size:17px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .countdown strong{font-size:20px;}
    .entry{padding:24px 0;}
    .card{padding:20px;}
    .cta-actions .btn{width:100%;flex:none;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
  }

/* roulang page: category3 */
:root{
  --ink-950:#060A12;
  --ink-900:#0A111C;
  --ink-800:#101A2A;
  --primary:#2BE3C4;
  --secondary:#4D8DFF;
  --signal:#FFB020;
  --text:#E8EEF7;
  --text-2:#9AA9BF;
  --text-3:#66768F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.045);
  --danger:#FF6B6B;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(43,227,196,.22), inset 0 0 0 1px rgba(43,227,196,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  z-index:0;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,5vw,48px);
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  border-bottom:1px solid transparent;
  background:transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:clamp(16px,3vw,40px);
  height:var(--header-h);
}
.logo{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text);
  white-space:nowrap;
}
.logo em{font-style:normal;color:var(--primary)}
.logo:hover{text-decoration:none;color:var(--text)}
.nav-links{
  display:flex;
  align-items:center;
  gap:clamp(20px,2.6vw,38px);
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding-bottom:6px;
  text-decoration:none;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--r-pill);
  padding:14px 30px;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  text-decoration:none;
  white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{
  background:var(--primary);
  color:#04120F;
  box-shadow:var(--glow);
}
.btn-primary:hover{background:#43f0d4;transform:translateY(-2px);box-shadow:0 12px 34px rgba(43,227,196,.3),inset 0 0 0 1px rgba(43,227,196,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  border:1px solid var(--line-strong);
  color:var(--text);
  border-radius:var(--r-pill);
  background:transparent;
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(43,227,196,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--primary);
  text-decoration:none;
}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 16px;
}
.nav-toggle:hover{color:var(--text);border-color:var(--line-strong)}
.nav-drawer{
  position:fixed;
  inset:var(--header-h) 0 0 0;
  z-index:55;
  background:rgba(6,10,18,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:32px clamp(20px,6vw,48px) 48px;
  display:none;
  flex-direction:column;
  gap:0;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex}
.nav-drawer a{
  position:relative;
  display:block;
  font-size:20px;
  color:var(--text);
  padding:20px 0;
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.nav-drawer a.active{color:var(--primary)}
.nav-drawer a.active::before{
  content:"";
  position:absolute;
  left:-14px;top:50%;
  width:4px;height:22px;
  margin-top:-11px;
  border-radius:2px;
  background:var(--primary);
}
.nav-drawer .drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:12px}

/* ---------- page head ---------- */
main{position:relative;z-index:1}
.page-head{
  padding-top:calc(var(--header-h) + clamp(48px,7vw,84px));
  padding-bottom:clamp(32px,4vw,48px);
  border-bottom:1px solid var(--line);
  background:radial-gradient(120% 90% at 50% -20%,rgba(77,141,255,.12),transparent 60%);
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--text-2)}
.page-head-grid{
  display:grid;
  grid-template-columns:1.45fr .55fr;
  gap:clamp(24px,4vw,56px);
  align-items:end;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary);
  border:1px solid rgba(43,227,196,.32);
  background:rgba(43,227,196,.07);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--signal);
  box-shadow:0 0 0 4px rgba(255,176,32,.14);
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.85)}
}
h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:.01em;
}
.page-head p.lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:60ch;
}
.head-facts{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(2,minmax(0,1fr));
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--glass);
}
.fact .k{display:block;font-size:13px;color:var(--text-3);margin-bottom:4px}
.fact .v{font-size:20px;font-weight:700;color:var(--text)}
.fact .v small{font-size:13px;font-weight:400;color:var(--text-2);margin-left:4px}

/* ---------- sections ---------- */
.section{padding:clamp(56px,8vw,104px) 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:clamp(28px,4vw,44px);
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  font-weight:700;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:62ch;
}
.rule-top{border-top:1px solid var(--line)}

/* banner */
.banner{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--ink-900);
}
.banner img{
  width:100%;
  height:clamp(260px,38vw,420px);
  object-fit:cover;
  opacity:.78;
}
.banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(6,10,18,.86) 6%,rgba(6,10,18,.34) 58%,rgba(6,10,18,.7) 100%);
}
.banner-note{
  position:absolute;
  right:clamp(16px,3vw,32px);
  bottom:clamp(16px,3vw,32px);
  width:min(360px,calc(100% - 32px));
  padding:24px;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  z-index:2;
}
.banner-note h3{font-size:16px;font-weight:600;margin-bottom:14px}
.banner-note ul{display:grid;gap:12px}
.banner-note li{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.banner-note li b{
  color:var(--signal);
  font-size:15px;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.banner-tag{
  position:absolute;
  left:clamp(16px,3vw,32px);
  top:clamp(16px,3vw,32px);
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(6,10,18,.55);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.banner-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--secondary)}

/* steps */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.steps li{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:clamp(16px,3vw,32px);
  padding:26px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.steps .idx{
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  padding-top:3px;
}
.steps h3{font-size:19px;font-weight:600;margin-bottom:6px}
.steps p{font-size:15px;color:var(--text-2);max-width:70ch}

/* topic cards */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.topic-card{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  padding:clamp(20px,3vw,28px);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.topic-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.topic-card h3{
  font-size:19px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
.topic-card h3 .tag{
  font-size:12px;
  font-weight:400;
  color:var(--secondary);
  border:1px solid rgba(77,141,255,.35);
  border-radius:var(--r-pill);
  padding:2px 10px;
  line-height:1.7;
}
.topic-card p{font-size:15px;color:var(--text-2)}
.topic-card .thumb{
  margin-bottom:18px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(43,227,196,.12);
}
.topic-card .thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .24s var(--ease);
}
.topic-card:hover .thumb img{transform:scale(1.03)}
.topic-card .foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}

/* FAQ */
.faq{max-width:820px;display:grid;gap:14px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(43,227,196,.4)}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-sign{
  position:relative;
  flex:0 0 18px;
  width:18px;height:18px;
  transition:transform .24s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:1px;
}
.faq-sign::before{left:0;right:0;top:8.5px;height:1px}
.faq-sign::after{top:0;bottom:0;left:8.5px;width:1px}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s var(--ease);
}
.faq-panel-inner{overflow:hidden}
.faq-panel-inner p{
  padding:0 24px 22px;
  font-size:15.5px;
  color:var(--text-2);
  border-top:1px solid transparent;
}
.faq-item.is-open .faq-panel-inner p{
  border-top-color:transparent;
  padding-top:0;
  background:linear-gradient(180deg,rgba(43,227,196,.14),rgba(43,227,196,0)) top/100% 1px no-repeat;
}

/* form */
.form-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:clamp(24px,4vw,56px);
  align-items:start;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--glass);
  padding:clamp(24px,4vw,40px);
}
.form-intro h2{font-size:clamp(23px,2.6vw,30px);line-height:1.3;margin-bottom:14px}
.form-intro p{font-size:15px;color:var(--text-2)}
.form-intro ul{margin-top:20px;display:grid;gap:10px}
.form-intro li{
  display:flex;gap:10px;
  font-size:14px;color:var(--text-3);
}
.form-intro li::before{content:"";width:14px;height:1px;background:var(--primary);margin-top:14px;flex:0 0 14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;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%;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  border-radius:var(--r-md);
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  appearance:none;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.06);
  box-shadow:0 0 0 3px rgba(43,227,196,.14);
}
.field .hint{font-size:12px;color:var(--text-3)}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-note{font-size:12px;color:var(--text-3)}
.form-feedback{
  display:none;
  font-size:13px;
  color:var(--primary);
  border:1px solid rgba(43,227,196,.35);
  background:rgba(43,227,196,.08);
  border-radius:var(--r-md);
  padding:10px 14px;
}
.form-feedback.is-visible{display:block}

/* CTA band */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(20px,4vw,48px);
  flex-wrap:wrap;
  padding:clamp(26px,4vw,40px);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(43,227,196,.09),rgba(77,141,255,.07) 60%,rgba(255,255,255,.03));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{
  margin-top:clamp(56px,8vw,104px);
  border-top:1px solid var(--line);
  background:var(--ink-950);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:clamp(24px,4vw,48px);
  padding:clamp(40px,6vw,64px) 0 clamp(28px,4vw,40px);
}
.footer-brand .logo{font-size:20px;display:inline-block;margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:34ch}
.footer-contact{display:flex;align-items:center;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-contact span{font-size:13px;color:var(--text-3);margin-right:4px}
.footer-contact a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  text-decoration:none;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-contact a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);text-decoration:none}
.footer-col h3{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-3);text-decoration:none}
.footer-col a:hover{color:var(--primary);text-decoration:none}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:var(--text-3);font-size:13px}
.footer-bottom a:hover{color:var(--primary)}

/* mobile sticky bar */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  height:56px;
  padding:0 16px;
  gap:12px;
  align-items:center;
  background:rgba(6,10,18,.92);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{flex:1;padding:10px 12px;font-size:14px}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .page-head-grid{grid-template-columns:1fr}
  .head-facts{max-width:520px}
}
@media (max-width:992px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .topics-grid{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .topic-grid{grid-template-columns:1fr}
  .steps li{grid-template-columns:48px 1fr;gap:12px}
  .banner-note{position:static;width:auto;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;background:rgba(255,255,255,.05)}
  .banner::after{background:linear-gradient(180deg,rgba(6,10,18,.35),rgba(6,10,18,.82))}
  .banner img{height:clamp(200px,46vw,280px)}
  .form-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  h1{font-size:31px}
  .page-head p.lead{font-size:16px}
  .head-facts{grid-template-columns:1fr 1fr;padding:18px;gap:14px}
  .fact .v{font-size:18px}
  .faq-trigger{padding:16px;font-size:16px}
  .faq-panel-inner p{padding:0 16px 18px;font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .form-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}