/* roulang page: index */
:root{
  --bg-0:#060A13;
  --bg-1:#0B1424;
  --bg-2:#0F1A2C;
  --brand:#14E0A6;
  --brand-2:#0FA3FF;
  --accent:#FFC24B;
  --text:#F2F6FF;
  --text-2:#9FB0C8;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --glass-line-hover:rgba(255,255,255,.18);
  --ok:#2BD69A;
  --warn:#FFB454;
  --danger:#FF6B6B;
  --r-card:18px;
  --r-big:24px;
  --r-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.38);
  --shadow-glow:0 0 0 1px rgba(20,224,166,.45), 0 10px 30px rgba(20,224,166,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.22s;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(20,224,166,.13), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(15,163,255,.11), transparent 60%),
    radial-gradient(600px 420px at 50% 108%, rgba(255,194,75,.07), transparent 65%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1440px){ .container{max-width:1280px;} }

/* ============ 导航 Dock ============ */
.dock-wrap{
  position:fixed;
  top:16px;
  left:0;right:0;
  z-index:120;
  display:flex;
  justify-content:center;
  padding:0 18px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;
  max-width:1240px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(9,16,28,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
  transition:padding var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.dock.is-compact{
  padding:5px 14px 5px 18px;
  background:rgba(9,16,28,.86);
}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-weight:800;
  font-size:16px;
  letter-spacing:-.01em;
  color:var(--text);
}
.dock-logo .mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(20,224,166,.22), rgba(15,163,255,.18));
  border:1px solid rgba(20,224,166,.4);
  box-shadow:0 0 18px rgba(20,224,166,.25);
}
.dock-logo .mark svg{width:18px;height:18px;}
.dock-logo span{white-space:nowrap;}
.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1;
  justify-content:center;
  overflow-x:auto;
  scrollbar-width:none;
}
.dock-nav::-webkit-scrollbar{display:none;}
.dock-nav a{
  font-size:13.5px;
  color:var(--text-2);
  padding:8px 12px;
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.dock-nav a:hover{
  color:var(--text);
  background:rgba(20,224,166,.12);
}
.dock-nav a.active{
  color:var(--brand);
  background:rgba(20,224,166,.13);
  box-shadow:inset 0 -2px 0 var(--brand);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.icon-btn{
  width:38px;height:38px;
  border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:all var(--dur) var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.5);}
.burger{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:none;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#14E0A6 0%,#14E0A6 42%,#0FA3FF 130%);
  color:#04120D;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,.6), 0 16px 40px rgba(20,224,166,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-accent{
  background:linear-gradient(135deg,#FFC24B 0%,#FFB454 60%,#14E0A6 150%);
  color:#1B1204;
  box-shadow:0 0 0 1px rgba(255,194,75,.4), 0 10px 30px rgba(255,194,75,.26);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,194,75,.6), 0 16px 40px rgba(255,194,75,.36);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:11px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-2);font-size:14px;font-weight:600;
  background:none;border:none;padding:4px 0;
  transition:color var(--dur) var(--ease);
}
.btn-text:hover{color:var(--brand);}
.btn-text:hover .arrow{transform:translateX(4px);}
.arrow{transition:transform var(--dur) var(--ease);}

/* ============ 玻璃面板 / 卡片 ============ */
.glass{
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
}
.card{
  position:relative;
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:26px;
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,166,.75),transparent);
  opacity:0;
  transition:opacity var(--dur) var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--glass-line-hover);
  box-shadow:var(--shadow-card);
}
.card:hover::after{opacity:1;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(15,163,255,.14);
  border:1px solid rgba(15,163,255,.28);
  color:#8FD4FF;
}
.tag-brand{background:rgba(20,224,166,.13);border-color:rgba(20,224,166,.32);color:#7BF2CB;}
.tag-accent{background:rgba(255,194,75,.13);border-color:rgba(255,194,75,.32);color:#FFD98A;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
}

.section{padding:96px 0;position:relative;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{
  font-size:32px;line-height:1.25;font-weight:800;
  letter-spacing:-.01em;margin:14px 0 12px;
}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}

h1,h2,h3{font-weight:800;letter-spacing:-.01em;line-height:1.25;}

/* ============ Hero ============ */
.hero{
  padding:170px 0 96px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:56px;
  align-items:center;
  min-height:calc(78vh - 170px);
}
.hero-copy{max-width:620px;}
.hero h1{
  font-size:48px;
  line-height:1.18;
  margin:20px 0 18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#14E0A6 8%,#7BF2CB 46%,#0FA3FF 96%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:18px;
  color:var(--text-2);
  margin:0 0 32px;
  max-width:520px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-metrics{
  display:flex;
  align-items:center;
  gap:26px;
  padding-top:26px;
  border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.metric .num{
  font-family:Inter,"Barlow Condensed",system-ui,sans-serif;
  font-size:26px;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.02em;
}
.metric .num span{color:var(--brand);}
.metric .lbl{font-size:13px;color:var(--text-3);margin-top:2px;}
.metric-divider{width:1px;height:38px;background:var(--line);}

.hero-visual{position:relative;}
.hero-figure{
  position:relative;
  border-radius:var(--r-big);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:0 30px 70px rgba(0,0,0,.55);
  aspect-ratio:16/11;
}
.hero-figure img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.02);
}
.hero-figure::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(45deg, transparent calc(100% - 1px), rgba(255,255,255,.055) calc(100% - 1px));
  background-size:22px 22px;
  z-index:2;
  pointer-events:none;
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,10,19,.05) 0%, rgba(6,10,19,.82) 100%);
  z-index:3;
}
.hero-badge{
  position:absolute;
  z-index:5;
  left:22px;
  bottom:22px;
  right:22px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  border-radius:16px;
  background:rgba(11,20,36,.72);
  backdrop-filter:blur(12px);
  border:1px solid var(--glass-line);
}
.hero-badge .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(20,224,166,.18);
  flex-shrink:0;
}
.hero-badge .txt{font-size:13.5px;color:var(--text-2);}
.hero-badge .txt b{color:var(--text);font-weight:700;}
.hero-float{
  position:absolute;
  z-index:6;
  top:-18px;right:-14px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(15,26,44,.9);
  border:1px solid rgba(255,194,75,.3);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
  font-size:12.5px;
  color:#FFD98A;
  font-weight:700;
  display:flex;align-items:center;gap:8px;
}

/* ============ 三步上手 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  position:relative;
}
.step{
  position:relative;
  padding:30px 26px 28px;
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--glass-line-hover);}
.step-num{
  font-family:Inter,"Barlow Condensed",sans-serif;
  font-size:64px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(20,224,166,.55);
  letter-spacing:-.03em;
  margin-bottom:14px;
  display:block;
}
.step h3{font-size:20px;margin:0 0 10px;}
.step p{font-size:14.5px;color:var(--text-2);margin:0 0 16px;}
.step ul{list-style:none;padding:0;margin:0;}
.step li{
  font-size:13.5px;color:var(--text-3);
  padding-left:18px;position:relative;margin-bottom:7px;
}
.step li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);opacity:.8;
}
.step-line{
  position:absolute;
  top:66px;
  height:1px;
  border-top:1px dashed rgba(20,224,166,.35);
  z-index:0;
}

/* ============ 案例证明 ============ */
.cases{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;}
.case-big{
  grid-column:span 7;
  padding:0;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.case-big .case-img{aspect-ratio:16/9;overflow:hidden;position:relative;}
.case-big .case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.case-big:hover .case-img img{transform:scale(1.05);}
.case-big .case-body{padding:28px;}
.case-small{
  grid-column:span 5;
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.case-small.offset{transform:translateY(32px);}
.case-small.offset:hover{transform:translateY(28px);}
.case-small .thumb{
  width:100%;
  aspect-ratio:16/9;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
}
.case-small .thumb img{width:100%;height:100%;object-fit:cover;}
.case-title{font-size:20px;font-weight:800;margin:0;}
.case-text{font-size:14.5px;color:var(--text-2);margin:0;}
.case-stats{display:flex;gap:26px;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);flex-wrap:wrap;}
.case-stats .v{
  font-family:Inter,sans-serif;font-size:24px;font-weight:800;color:var(--brand);
}
.case-stats .k{font-size:12.5px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px;align-items:start;}
.faq-sticky{position:sticky;top:120px;}
.faq-sticky h2{font-size:32px;margin:14px 0 14px;}
.faq-sticky p{color:var(--text-2);font-size:15px;margin:0 0 22px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:16px;
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  overflow:hidden;
  transition:border-color var(--dur) var(--ease);
}
.faq-item.open{border-color:rgba(20,224,166,.35);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;
  background:none;border:none;
  color:var(--text);
  font-size:16px;font-weight:700;text-align:left;
}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{
  position:relative;
  width:22px;height:22px;flex-shrink:0;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:grid;place-items:center;
  transition:transform .24s var(--ease), border-color .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--brand);color:var(--brand);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  border-left:3px solid var(--brand);
  margin-left:22px;
  padding-left:18px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}

/* ============ 最新信息 ============ */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;flex-direction:column;
  padding:0;overflow:hidden;
}
.news-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:14px 14px 0 0;
  position:relative;
  background:var(--bg-2);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;height:100%;}
.news-title{
  font-size:17.5px;font-weight:800;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:2.7em;
}
.news-sum{
  font-size:14px;color:var(--text-2);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:3.2em;
}
.news-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.news-foot .time{font-family:Inter,sans-serif;letter-spacing:.02em;}
.news-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-weight:600;}
.news-card:hover .news-link{color:var(--brand);}
.news-card:hover .news-link .arrow{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;
  padding:64px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px dashed rgba(255,255,255,.16);
  text-align:center;
}
.news-empty i{font-size:34px;color:var(--brand);opacity:.85;}
.news-empty p{margin:0;color:var(--text-2);font-size:15px;}

/* ============ 立即开通 ============ */
.cta-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:44px;
  align-items:center;
  padding:48px;
  border-radius:var(--r-big);
  background:linear-gradient(135deg, rgba(20,224,166,.10) 0%, rgba(15,163,255,.07) 46%, rgba(255,255,255,.03) 100%);
  backdrop-filter:blur(16px);
  border:1px solid var(--glass-line);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;top:-60%;right:-10%;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(20,224,166,.22), transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:32px;margin:14px 0 14px;}
.cta-panel p{color:var(--text-2);font-size:15.5px;margin:0 0 26px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.qr-box{
  position:relative;
  padding:16px;
  border-radius:20px;
  background:rgba(11,20,36,.7);
  border:1px solid var(--glass-line);
  text-align:center;
}
.qr-box .frame{
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:1/1;
  border:1px solid rgba(255,255,255,.1);
}
.qr-box .frame img{width:100%;height:100%;object-fit:cover;}
.qr-box .cap{font-size:12.5px;color:var(--text-3);margin-top:12px;}

/* ============ 页脚 ============ */
footer{
  margin-top:40px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 40px;
}
.foot-brand .logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;margin-bottom:16px;
}
.foot-brand .logo .mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(20,224,166,.22), rgba(15,163,255,.18));
  border:1px solid rgba(20,224,166,.4);
}
.foot-brand .logo .mark svg{width:17px;height:17px;}
.foot-brand p{font-size:14px;color:var(--text-2);margin:0 0 18px;max-width:320px;}
.foot-badges{display:flex;gap:10px;flex-wrap:wrap;}
.foot-col h4{font-size:14px;font-weight:800;margin:0 0 16px;color:var(--text);}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:var(--text-2);transition:color var(--dur) var(--ease);}
.foot-col a:hover{color:var(--brand);}
.foot-col .contact-line{font-size:14px;color:var(--text-2);display:flex;gap:10px;align-items:flex-start;}
.foot-col .contact-line i{color:var(--brand);margin-top:5px;font-size:13px;}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom .disc{max-width:760px;line-height:1.7;}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(4,8,15,.7);
  backdrop-filter:blur(6px);
  z-index:200;
  opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease), visibility .26s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(84vw,360px);
  z-index:201;
  background:rgba(9,16,28,.94);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--glass-line);
  padding:26px 22px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer .dr-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:18px;
}
.drawer .dr-head .t{font-weight:800;font-size:16px;}
.drawer a.dr-link{
  padding:13px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-2);
  opacity:0;
  transform:translateY(8px);
  transition:background var(--dur) var(--ease), color var(--dur) var(--ease), opacity .3s var(--ease), transform .3s var(--ease);
}
.drawer.open a.dr-link{opacity:1;transform:translateY(0);}
.drawer a.dr-link:nth-child(2){transition-delay:.04s;}
.drawer a.dr-link:nth-child(3){transition-delay:.08s;}
.drawer a.dr-link:nth-child(4){transition-delay:.12s;}
.drawer a.dr-link:nth-child(5){transition-delay:.16s;}
.drawer a.dr-link:nth-child(6){transition-delay:.2s;}
.drawer a.dr-link:hover,.drawer a.dr-link.active{background:rgba(20,224,166,.12);color:var(--brand);}
.drawer .dr-cta{margin-top:18px;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .dock{max-width:1120px;}
  .dock-nav a{font-size:13px;padding:8px 9px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .dock-nav{display:none;}
  .burger{display:grid;}
  .hero{padding:140px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto;}
  .hero h1{font-size:36px;}
  .hero-copy{max-width:100%;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .step-line{display:none;}
  .cases{grid-template-columns:repeat(12,minmax(0,1fr));}
  .case-big{grid-column:span 12;}
  .case-small{grid-column:span 12;}
  .case-small.offset{transform:none;}
  .case-small.offset:hover{transform:translateY(-4px);}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-sticky{position:static;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:32px;}
  .qr-box{max-width:280px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2,.faq-sticky h2,.cta-panel h2{font-size:26px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:126px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .hero-metrics{gap:18px;}
  .metric-divider{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:26px;}
  .cta-actions .btn{width:100%;}
  .dock{padding:8px 12px;}
  .dock-logo span{font-size:15px;}
  .section-head h2,.faq-sticky h2,.cta-panel h2{font-size:24px;}
  .case-big .case-body{padding:22px;}
  .btn{height:46px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001s!important;}
  .card:hover,.step:hover,.btn:hover,.case-small.offset:hover{transform:none!important;}
}

/* roulang page: article */
:root{
  --bg-0:#060A13;
  --bg-1:#0B1424;
  --bg-2:#0F1A2C;
  --glass:rgba(255,255,255,0.045);
  --glass-border:rgba(255,255,255,0.09);
  --glass-border-strong:rgba(255,255,255,0.18);
  --brand:#14E0A6;
  --brand-2:#0FA3FF;
  --accent:#FFC24B;
  --text-1:#F2F6FF;
  --text-2:#9FB0C8;
  --text-3:#64748B;
  --line:rgba(255,255,255,0.08);
  --ok:#2BD69A;
  --warn:#FFB454;
  --danger:#FF6B6B;
  --r-card:18px;
  --r-big:24px;
  --r-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.38);
  --shadow-glow:0 0 0 1px rgba(20,224,166,0.45), 0 10px 30px rgba(20,224,166,0.28);
  --ease:cubic-bezier(0.22,0.61,0.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 500px at 12% -6%, rgba(20,224,166,0.10), transparent 60%),
                   radial-gradient(800px 460px at 92% 4%, rgba(15,163,255,0.10), transparent 62%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:"Barlow Condensed","Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1040px,calc(100% - 32px));
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;border-radius:999px;
  background:rgba(9,16,28,0.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  box-shadow:0 12px 40px rgba(0,0,0,0.45);
  z-index:200;
  transition:padding .24s var(--ease),background .24s var(--ease),top .24s var(--ease);
}
.dock.scrolled{top:10px;padding:6px 14px;background:rgba(9,16,28,0.88)}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;white-space:nowrap;letter-spacing:-0.01em}
.dock-logo .mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:rgba(20,224,166,0.12);border:1px solid rgba(20,224,166,0.30)}
.dock-logo .mark svg{width:18px;height:18px}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.dock-nav a:hover{color:var(--text-1);background:rgba(20,224,166,0.10)}
.dock-nav a.active{color:var(--text-1);background:rgba(20,224,166,0.12)}
.dock-nav a.active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--glass-border);background:rgba(255,255,255,0.04);
  color:var(--text-2);transition:all .22s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,0.45)}
.burger{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,var(--brand) 28%,var(--brand-2) 100%);color:#04120D;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,0.55),0 16px 38px rgba(20,224,166,0.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--glass-border-strong);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-text{background:none;border:none;padding:0;height:auto;color:var(--text-2);font-weight:600}
.btn-text:hover{color:var(--brand);text-decoration:underline;text-underline-offset:6px}

.drawer{position:fixed;inset:0;z-index:300;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(3,7,14,0.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(360px,86%);height:100%;
  background:rgba(11,20,36,0.96);border-left:1px solid var(--glass-border);
  padding:24px 22px;display:flex;flex-direction:column;gap:6px;
  animation:drawerIn .26s var(--ease) both;
}
@keyframes drawerIn{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:translateX(0)}}
.drawer-panel a{padding:13px 12px;border-radius:12px;color:var(--text-2);font-size:15px;border:1px solid transparent}
.drawer-panel a:hover,.drawer-panel a.active{color:var(--text-1);background:rgba(20,224,166,0.10);border-color:rgba(20,224,166,0.24)}
.drawer-panel .btn{margin-top:16px;width:100%}
.drawer-close{align-self:flex-end;margin-bottom:8px}

/* ============ 页面主体 ============ */
main{padding-top:126px;padding-bottom:96px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--text-3);opacity:.7}
.crumbs .cur{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:860px;margin:0 auto 26px;text-align:left}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--brand);background:rgba(20,224,166,0.10);border:1px solid rgba(20,224,166,0.28);margin-bottom:18px}
.article-head h1{font-size:48px;font-weight:800;letter-spacing:-0.02em;line-height:1.22}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13.5px;color:var(--text-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7}
.meta-row .cat{color:var(--brand)}

.reading{max-width:820px;margin:0 auto}
.panel{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:20px;
  box-shadow:var(--shadow-card);
  padding:40px;
}
.article-body{font-size:16.5px;line-height:1.85;color:#DDE7F5}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:32px;margin:1.6em 0 .7em;color:var(--text-1)}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;margin:1.4em 0 .6em;color:var(--text-1)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.2em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;border-left:3px solid var(--brand);
  background:rgba(20,224,166,0.06);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body img{margin:1.6em auto;border-radius:12px;box-shadow:var(--shadow-card)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(20,224,166,0.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body code{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:14px;background:rgba(15,26,44,0.9);border:1px solid var(--glass-border);padding:2px 6px;border-radius:6px;color:#9FF3DA}
.article-body pre{background:#08101E;border:1px solid var(--glass-border);border-radius:14px;padding:18px 20px;overflow:auto;margin:1.4em 0}
.article-body pre code{background:none;border:none;padding:0;color:#CFE7F5}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

.notice{
  display:flex;gap:14px;align-items:flex-start;margin-top:28px;padding:18px 22px;
  border-radius:16px;background:rgba(15,163,255,0.07);border:1px solid rgba(15,163,255,0.24);
  font-size:14px;color:var(--text-2);
}
.notice i{color:var(--brand-2);margin-top:3px}
.notice strong{color:var(--text-1)}

.empty-state{text-align:center;padding:22px 6px}
.empty-state .ico{width:62px;height:62px;margin:0 auto 16px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:rgba(20,224,166,0.10);border:1px solid rgba(20,224,166,0.28);color:var(--brand);font-size:24px}
.empty-state h3{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:72px 0 22px;max-width:820px;margin-left:auto;margin-right:auto}
.sec-head h2{font-size:32px}
.sec-head .more{font-size:14px;color:var(--text-2);font-weight:600}
.sec-head .more:hover{color:var(--brand)}
.rel-grid{max-width:980px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  display:block;padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);transition:all .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--glass-border-strong)}
.rel-card::before{content:"";display:block;height:1px;width:100%;margin-bottom:14px;background:linear-gradient(90deg,rgba(20,224,166,0.65),rgba(20,224,166,0))}
.rel-card .tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(20,224,166,0.10);border:1px solid rgba(20,224,166,0.26);color:var(--brand);margin-bottom:12px}
.rel-card h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .time{font-size:13px;color:var(--text-3)}

.back-row{max-width:820px;margin:34px auto 0;display:flex;justify-content:flex-end}
.back-row a{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-2);font-weight:600}
.back-row a:hover{color:var(--brand)}
.back-row a i{transition:transform .22s var(--ease)}
.back-row a:hover i{transform:translateX(-4px)}

.cta-band{
  max-width:1040px;margin:80px auto 0;padding:32px 34px;
  border-radius:var(--r-big);display:flex;align-items:center;gap:26px;justify-content:space-between;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(20,224,166,0.12) 0%,rgba(15,163,255,0.10) 55%,rgba(255,194,75,0.08) 100%);
  border:1px solid var(--glass-border-strong);
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
footer{margin-top:96px;background:var(--bg-1);border-top:1px solid var(--line);padding:56px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr 1.2fr;gap:34px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px}
.logo .mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:rgba(20,224,166,0.12);border:1px solid rgba(20,224,166,0.30)}
.logo .mark svg{width:18px;height:18px}
.foot-brand p{color:var(--text-2);font-size:14px;max-width:340px}
.foot-badges{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;color:var(--text-2);background:rgba(255,255,255,0.05);border:1px solid var(--glass-border)}
.tag-brand{color:var(--brand);background:rgba(20,224,166,0.10);border-color:rgba(20,224,166,0.28)}
.foot-col h4{font-size:14px;letter-spacing:.02em;margin-bottom:14px;color:var(--text-1)}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{font-size:14px;color:var(--text-2)}
.foot-col ul li a:hover{color:var(--brand)}
.contact-line{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2)}
.contact-line i{color:var(--brand);width:16px;text-align:center}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.foot-bottom .disc{max-width:620px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .dock-nav{display:none}
  .burger{display:inline-flex}
  .dock-actions{margin-left:auto}
  .article-head h1{font-size:36px}
  .article-body h2{font-size:26px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  main{padding-top:110px;padding-bottom:72px}
  .article-head h1{font-size:30px}
  .panel{padding:22px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:18px}
  .sec-head{margin-top:56px;align-items:center}
  .sec-head h2{font-size:24px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;text-align:center;align-items:center}
}
@media (max-width:520px){
  .dock{padding:8px 10px;gap:8px}
  .dock-logo span:last-child{font-size:15px}
  .btn-sm{height:36px;padding:0 14px;font-size:13px}
  .back-row{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .rel-card:hover,.btn-primary:hover{transform:none}
}

/* roulang page: category1 */
:root{
    --bg-0:#060A13;
    --bg-1:#0B1424;
    --bg-2:#0F1A2C;
    --brand:#14E0A6;
    --brand-2:#0FA3FF;
    --accent:#FFC24B;
    --text:#F2F6FF;
    --text-2:#9FB0C8;
    --text-3:#64748B;
    --line:rgba(255,255,255,0.08);
    --glass:rgba(255,255,255,0.045);
    --glass-line:rgba(255,255,255,0.09);
    --ok:#2BD69A;
    --warn:#FFB454;
    --danger:#FF6B6B;
    --r-card:18px;
    --r-lg:24px;
    --r-btn:12px;
    --shadow:0 12px 32px rgba(0,0,0,0.38);
    --ease:cubic-bezier(0.22,0.61,0.36,1);
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  html body{
    margin:0;
    padding:0;
    background-color:var(--bg-0);
    background-image:
      radial-gradient(900px 620px at 10% -12%, rgba(20,224,166,0.10), transparent 62%),
      radial-gradient(820px 520px at 92% -4%, rgba(15,163,255,0.10), transparent 60%);
    background-repeat:no-repeat;
    background-attachment:fixed;
    color:var(--text);
    font-family:var(--font);
    font-size:16px;
    line-height:1.75;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  ::selection{background:rgba(20,224,166,.28);color:#fff}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (min-width:1400px){.container{max-width:1280px}}

  .skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--brand);color:#04120D;padding:10px 18px;border-radius:0 0 12px 0;font-weight:700}
  .skip-link:focus{left:0}

  /* ============ 浮动 Dock 导航 ============ */
  .dock{
    position:fixed;top:16px;left:50%;transform:translateX(-50%);
    width:min(1040px,calc(100% - 32px));
    display:flex;align-items:center;gap:14px;
    padding:10px 14px;
    border-radius:999px;
    background:rgba(9,16,28,0.72);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border:1px solid var(--glass-line);
    box-shadow:0 12px 40px rgba(0,0,0,0.45);
    z-index:60;
    transition:top .22s var(--ease),padding .22s var(--ease),background .22s var(--ease);
  }
  .dock.compact{top:8px;padding:6px 12px;background:rgba(9,16,28,0.88)}
  .dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15.5px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
  .dock-logo .mark{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:rgba(20,224,166,.12);border:1px solid rgba(20,224,166,.28)}
  .dock-logo .mark svg{width:18px;height:18px}
  .dock-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
  .dock-nav a{
    position:relative;font-size:13.5px;color:var(--text-2);
    padding:9px 11px;border-radius:999px;white-space:nowrap;
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .dock-nav a::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;background:var(--brand);transform:translateX(-50%);transition:width .22s var(--ease)}
  .dock-nav a:hover{color:var(--text);background:rgba(20,224,166,.10)}
  .dock-nav a.active{color:var(--text);background:rgba(20,224,166,.14);font-weight:600}
  .dock-nav a.active::after{width:18px}
  .dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

  .icon-btn{
    width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
    color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid transparent;
    cursor:pointer;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  }
  .icon-btn:hover{color:var(--brand);background:rgba(20,224,166,.12);border-color:rgba(20,224,166,.30)}
  .icon-btn:active{transform:scale(.96)}
  .burger{display:none}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:700;letter-spacing:0;border:0;cursor:pointer;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .btn-primary{
    background:linear-gradient(135deg,#14E0A6 0%,#17C9B6 56%,#0FA3FF 100%);
    color:#04120D;
    box-shadow:0 0 0 1px rgba(20,224,166,0.45),0 10px 30px rgba(20,224,166,0.28);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,0.62),0 16px 40px rgba(20,224,166,0.40)}
  .btn-primary:active{transform:translateY(1px)}
  .btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.18);color:var(--text)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-accent{
    background:linear-gradient(135deg,#FFC24B 0%,#FFC24B 55%,#FFB454 100%);
    color:#231603;
    box-shadow:0 0 0 1px rgba(255,194,75,0.40),0 10px 30px rgba(255,194,75,0.22);
  }
  .btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,194,75,0.62),0 16px 40px rgba(255,194,75,0.34)}
  .btn-accent:active{transform:translateY(1px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
  .btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14.5px;padding:6px 0;border-bottom:1px solid transparent;transition:border-color .2s var(--ease),gap .2s var(--ease)}
  .btn-text:hover{border-color:var(--brand);gap:10px}

  /* ============ 标签 ============ */
  .tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.6;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--glass-line);white-space:nowrap}
  .tag-brand{color:var(--brand);background:rgba(20,224,166,.10);border-color:rgba(20,224,166,.35)}
  .tag-accent{color:var(--accent);background:rgba(255,194,75,.10);border-color:rgba(255,194,75,.34)}
  .tag-blue{color:#7CC6FF;background:rgba(15,163,255,.10);border-color:rgba(15,163,255,.32)}

  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:700}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.7}

  /* ============ 通用区块 ============ */
  .sec{padding:96px 0}
  .sec-tight{padding-top:0}
  .sec-head{max-width:760px;margin-bottom:44px}
  .sec-title{font-size:32px;line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:14px 0 12px}
  .sec-sub{margin:0;color:var(--text-2);font-size:15.5px;line-height:1.8}
  .divider{height:1px;background:var(--line);border:0;margin:0}

  /* ============ 卡片基础 ============ */
  .card{
    position:relative;background:var(--glass);border:1px solid var(--glass-line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-radius:var(--r-card);padding:26px;
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .card::before{content:"";position:absolute;left:14px;right:14px;top:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(20,224,166,.75),transparent);opacity:0;transition:opacity .24s var(--ease)}
  .card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,0.18);box-shadow:var(--shadow)}
  .card:hover::before{opacity:1}
  .card h3{margin:0 0 8px;font-size:19px;font-weight:700;line-height:1.4}

  /* ============ Hero 小头图 ============ */
  .hero-min{position:relative;overflow:hidden;padding:140px 0 72px;border-bottom:1px solid var(--line)}
  .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.30}
  .hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,19,.60) 0%,rgba(6,10,19,.88) 58%,var(--bg-0) 100%)}
  .hero-mesh{position:absolute;inset:0;opacity:.5;
    background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:46px 46px;
    -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
    mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  }
  .hero-inner{position:relative;z-index:2}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
  .crumbs a{color:var(--text-2);transition:color .2s var(--ease)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs i{font-size:10px;opacity:.6}

  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:320px}
  .hero-copy{max-width:620px}
  .hero-copy h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.015em;margin:18px 0 16px}
  .hero-copy h1 em{font-style:normal;color:var(--brand)}
  .hero-lead{margin:0 0 28px;font-size:18px;line-height:1.75;color:var(--text-2)}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px}
  .hero-metrics{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;margin-top:34px}
  .hero-metrics .m{padding:0 22px;border-left:1px solid var(--line)}
  .hero-metrics .m:first-child{padding-left:0;border-left:0}
  .hero-metrics .m b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
  .hero-metrics .m span{font-size:13px;color:var(--text-3)}

  /* Hero 右侧 2×2 入口卡组 */
  .entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .entry-card{
    position:relative;padding:20px 18px;border-radius:16px;
    background:rgba(255,255,255,0.05);border:1px solid var(--glass-line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
  }
  .entry-card:hover{transform:translateY(-4px);border-color:rgba(20,224,166,.38);background:rgba(20,224,166,.07)}
  .entry-card .ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:var(--brand);background:rgba(20,224,166,.12);border:1px solid rgba(20,224,166,.26);margin-bottom:14px;font-size:15px}
  .entry-card h3{margin:0 0 6px;font-size:15.5px;font-weight:700;line-height:1.45}
  .entry-card p{margin:0;font-size:13.5px;line-height:1.7;color:var(--text-2)}
  .entry-card .arrow{position:absolute;right:16px;top:20px;color:var(--text-3);font-size:12px;transition:transform .22s var(--ease),color .22s var(--ease)}
  .entry-card:hover .arrow{transform:translateX(4px);color:var(--brand)}

  /* ============ 渠道对比条 ============ */
  .compare-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .compare-card{
    position:relative;padding:24px 22px;border-radius:var(--r-card);
    background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
    border:1px solid var(--glass-line);
    transition:transform .24s var(--ease),border-color .24s var(--ease);
  }
  .compare-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18)}
  .compare-card .no{font-size:12px;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.12em}
  .compare-card h3{margin:12px 0 8px;font-size:18px;font-weight:700}
  .compare-card p{margin:0 0 16px;font-size:14px;line-height:1.8;color:var(--text-2)}
  .compare-card .foot{font-size:12.5px;color:var(--text-3);border-top:1px dashed var(--line);padding-top:12px;display:flex;align-items:center;gap:8px}
  .compare-card .foot i{color:var(--brand);font-size:11px}

  /* ============ 步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
  .steps::before{content:"";position:absolute;top:52px;left:8%;right:8%;border-top:1px dashed rgba(255,255,255,.14)}
  .step-card{position:relative;padding:28px 26px 26px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:transform .24s var(--ease),border-color .24s var(--ease)}
  .step-card:hover{transform:translateY(-4px);border-color:rgba(20,224,166,.30)}
  .step-num{font-size:64px;font-weight:800;line-height:1;letter-spacing:-.02em;color:transparent;-webkit-text-stroke:1.5px rgba(20,224,166,.55);font-variant-numeric:tabular-nums}
  .step-card h3{margin:14px 0 10px;font-size:19px;font-weight:700}
  .step-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--text-2)}

  /* ============ 场景卡 ============ */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .scene-card{padding:16px 16px 24px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--glass-line);transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
  .scene-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow)}
  .scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin-bottom:18px}
  .scene-card .meta{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
  .scene-card h3{margin:0 0 10px;font-size:19px;font-weight:700}
  .scene-card p{margin:0 0 16px;font-size:14.5px;line-height:1.8;color:var(--text-2)}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:14px}
  details.faq{
    position:relative;border-radius:16px;overflow:hidden;
    background:var(--glass);border:1px solid var(--glass-line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    transition:border-color .22s var(--ease),background .22s var(--ease);
  }
  details.faq:hover{border-color:rgba(255,255,255,.16)}
  details.faq[open]{border-color:rgba(20,224,166,.30);background:rgba(255,255,255,.06)}
  details.faq[open]::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
  details.faq summary{
    list-style:none;cursor:pointer;position:relative;
    padding:20px 56px 20px 24px;font-size:16px;font-weight:600;line-height:1.6;
  }
  details.faq summary::-webkit-details-marker{display:none}
  .fx-plus{position:absolute;right:24px;top:50%;width:14px;height:14px;margin-top:-7px;transition:transform .24s var(--ease)}
  .fx-plus::before,.fx-plus::after{content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:background .22s var(--ease)}
  .fx-plus::before{left:0;right:0;top:6px;height:2px}
  .fx-plus::after{top:0;bottom:0;left:6px;width:2px}
  details.faq[open] .fx-plus{transform:rotate(45deg)}
  details.faq[open] .fx-plus::before,details.faq[open] .fx-plus::after{background:var(--brand)}
  .faq-body{padding:0 56px 22px 24px;font-size:15px;line-height:1.8;color:var(--text-2)}

  /* ============ CTA 条 ============ */
  .cta-band{
    display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
    padding:44px;border-radius:var(--r-lg);position:relative;overflow:hidden;
    background:linear-gradient(135deg,rgba(20,224,166,.10) 0%,rgba(255,255,255,.04) 46%,rgba(15,163,255,.10) 100%);
    border:1px solid rgba(255,255,255,.12);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  }
  .cta-band::after{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.12;pointer-events:none}
  .cta-band > *{position:relative;z-index:2}
  .cta-band h2{font-size:30px;line-height:1.3;font-weight:800;margin:12px 0 14px}
  .cta-band p{margin:0 0 26px;font-size:15.5px;line-height:1.8;color:var(--text-2);max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  .cta-visual{border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}
  .cta-visual img{width:100%;aspect-ratio:1/1;object-fit:cover}

  /* ============ 相关分类 ============ */
  .rel-cats{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .rel-link{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;font-size:14px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--glass-line);transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease)}
  .rel-link:hover{color:var(--brand);border-color:rgba(20,224,166,.40);background:rgba(20,224,166,.10);transform:translateY(-2px)}

  /* ============ 页脚 ============ */
  footer{margin-top:96px;background:var(--bg-1);border-top:1px solid var(--line);padding:72px 0 0}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
  .foot-brand .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:16px}
  .foot-brand .logo .mark{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:rgba(20,224,166,.12);border:1px solid rgba(20,224,166,.28)}
  .foot-brand .logo svg{width:18px;height:18px}
  .foot-brand p{margin:0 0 18px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:320px}
  .foot-badges{display:flex;gap:8px;flex-wrap:wrap}
  .foot-col h4{margin:0 0 16px;font-size:14px;font-weight:700;color:var(--text);letter-spacing:.02em}
  .foot-col ul{display:grid;gap:11px}
  .foot-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease),padding-left .2s var(--ease)}
  .foot-col a:hover{color:var(--brand);padding-left:4px}
  .contact-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
  .contact-line i{color:var(--brand);font-size:13px;margin-top:4px}
  .foot-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:52px;padding:22px 0;font-size:13px;color:var(--text-3)}
  .foot-bottom .disc{max-width:620px;line-height:1.8}

  /* ============ 移动端抽屉 ============ */
  .drawer{
    position:fixed;inset:0;z-index:80;display:none;flex-direction:column;gap:4px;
    padding:104px 24px 40px;
    background:rgba(6,10,19,.95);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    opacity:0;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease);
  }
  .drawer.open{display:flex;opacity:1;transform:none}
  .drawer a.drawer-link{padding:16px 18px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,.03);border:1px solid var(--glass-line)}
  .drawer a.drawer-link.active{color:var(--brand);border-color:rgba(20,224,166,.35);background:rgba(20,224,166,.10)}
  .drawer .drawer-cta{margin-top:18px}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .dock-nav{display:none}
    .burger{display:grid}
    .sec{padding:72px 0}
    .hero-min{padding:120px 0 56px}
    .hero-grid{grid-template-columns:1fr;gap:40px;min-height:0}
    .hero-copy h1{font-size:36px}
    .hero-lead{font-size:16.5px}
    .compare-row{grid-template-columns:repeat(2,1fr)}
    .steps{grid-template-columns:1fr}
    .steps::before{display:none}
    .scene-grid{grid-template-columns:repeat(2,1fr)}
    .cta-band{grid-template-columns:1fr;padding:34px}
    .cta-visual{max-width:320px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
    footer{margin-top:72px;padding-top:56px}
  }
  @media (max-width:640px){
    .container{padding:0 18px}
    .sec{padding:56px 0}
    .sec-title{font-size:24px}
    .hero-min{padding:104px 0 48px}
    .hero-copy h1{font-size:30px}
    .hero-lead{font-size:15.5px}
    .hero-metrics .m{padding:0 14px}
    .hero-metrics .m b{font-size:19px}
    .entry-grid{grid-template-columns:1fr}
    .compare-row{grid-template-columns:1fr}
    .scene-grid{grid-template-columns:1fr}
    .dock{gap:8px;padding:8px 10px}
    .dock-logo{font-size:14px}
    .dock-logo .mark{width:26px;height:26px}
    .btn{height:44px;padding:0 18px;font-size:14.5px}
    .btn-sm{height:38px;padding:0 14px;font-size:13.5px}
    .cta-band{padding:26px 20px}
    .cta-band h2{font-size:23px}
    .foot-grid{grid-template-columns:1fr}
    .foot-bottom{flex-direction:column;text-align:center}
    .foot-bottom .disc{max-width:none}
    details.faq summary{padding:17px 50px 17px 18px;font-size:15.5px}
    .faq-body{padding:0 50px 18px 18px;font-size:14.5px}
    .fx-plus{right:18px}
  }
  @media (max-width:400px){
    .dock-logo span:last-child{display:none}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
    .card:hover,.compare-card:hover,.scene-card:hover,.step-card:hover,.entry-card:hover,.btn:hover,.rel-link:hover{transform:none}
  }

/* roulang page: category2 */
:root{
  --bg-0:#060A13;
  --bg-1:#0B1424;
  --bg-2:#0F1A2C;
  --brand:#14E0A6;
  --brand-2:#0FA3FF;
  --accent:#FFC24B;
  --text:#F2F6FF;
  --text-2:#9FB0C8;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-card:18px;
  --r-img:24px;
  --r-btn:12px;
  --sh-card:0 12px 32px rgba(0,0,0,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ok:#2BD69A;
  --warn:#FFB454;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(9,16,28,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
  z-index:1000;
  transition:padding .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.dock.is-scrolled{
  padding:6px 14px 6px 18px;
  background:rgba(9,16,28,.86);
  box-shadow:0 14px 46px rgba(0,0,0,.55);
}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.01em;
  font-size:15px;
  white-space:nowrap;
  color:var(--text);
}
.dock-logo .mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:rgba(20,224,166,.10);
  border:1px solid rgba(20,224,166,.28);
  box-shadow:0 0 18px rgba(20,224,166,.18);
  flex:0 0 auto;
}
.dock-logo .mark svg{width:20px;height:20px;}
.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  justify-content:center;
}
.dock-nav a{
  position:relative;
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-nav a:hover{color:var(--text);background:rgba(20,224,166,.10);}
.dock-nav a.active{color:var(--text);background:rgba(20,224,166,.12);}
.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(20,224,166,.8);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.55);background:rgba(20,224,166,.08);transform:translateY(-2px);}
.burger{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  color:#04120D;
  background:linear-gradient(120deg,#14E0A6 0%,#14E0A6 58%,#0FA3FF 100%);
  box-shadow:0 0 0 1px rgba(20,224,166,.45),0 10px 30px rgba(20,224,166,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,.6),0 14px 38px rgba(20,224,166,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text);
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(20,224,166,.6);}
.btn-accent{
  color:#1A1204;
  background:linear-gradient(120deg,#FFC24B 0%,#FFC24B 55%,#FFA83B 100%);
  box-shadow:0 0 0 1px rgba(255,194,75,.4),0 10px 30px rgba(255,194,75,.22);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,194,75,.6),0 14px 36px rgba(255,194,75,.34);}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:10px;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  line-height:1.6;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
}
.tag-brand{color:var(--brand);background:rgba(20,224,166,.10);border-color:rgba(20,224,166,.30);}
.tag-accent{color:var(--accent);background:rgba(255,194,75,.10);border-color:rgba(255,194,75,.30);}

/* ---------- 内页 Hero ---------- */
.inner-hero{
  position:relative;
  overflow:hidden;
  padding:132px 0 64px;
  min-height:360px;
  background:var(--bg-0);
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.28;
  filter:saturate(.9);
}
.hero-veil{
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(20,224,166,.16),transparent 62%),
    radial-gradient(760px 420px at 88% 12%,rgba(15,163,255,.14),transparent 60%),
    linear-gradient(180deg,rgba(6,10,19,.72) 0%,rgba(6,10,19,.92) 62%,var(--bg-0) 100%);
}
.hero-grid-lines{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.65),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.65),transparent 82%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .cur{color:var(--text-2);}
.inner-hero h1{
  font-size:48px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:900px;
  margin-bottom:16px;
}
.hero-sub{
  font-size:18px;
  color:var(--text-2);
  max-width:660px;
  margin-bottom:26px;
}
.hero-metrics{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.hero-metrics .val{
  font-family:"Barlow Condensed",Inter,system-ui,sans-serif;
  font-size:26px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.01em;
  margin-right:6px;
  vertical-align:-2px;
}
.hero-metrics .mid{width:1px;height:22px;background:var(--line);}

/* ---------- 主体布局 ---------- */
.page-main{padding:72px 0 0;}
.doc-layout{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:52px;
  align-items:start;
}

/* 目录 */
.toc{
  position:sticky;
  top:104px;
  padding:22px 20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
}
.toc-title{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:14px;
}
.toc ol{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.toc a .toc-idx{
  font-family:"Barlow Condensed",Inter,system-ui,sans-serif;
  font-size:13px;
  font-weight:800;
  color:var(--text-3);
  min-width:20px;
  transition:color .2s var(--ease);
}
.toc a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.toc a.is-active{color:var(--brand);background:rgba(20,224,166,.10);}
.toc a.is-active .toc-idx{color:var(--brand);}
.toc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}

/* 正文分段 */
.doc-body{display:flex;flex-direction:column;gap:56px;}
.doc-sec{scroll-margin-top:120px;}
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.sec-icon{
  width:44px;height:44px;
  flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:13px;
  background:rgba(20,224,166,.10);
  border:1px solid rgba(20,224,166,.26);
  color:var(--brand);
  font-size:17px;
  box-shadow:0 0 20px rgba(20,224,166,.14);
}
.sec-head h2{
  font-size:32px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
.doc-sec p{color:var(--text-2);font-size:16px;line-height:1.85;}
.doc-sec p + p{margin-top:14px;}
.doc-sec h3{
  font-size:20px;
  font-weight:700;
  margin:26px 0 10px;
  color:var(--text);
}

.check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:20px;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:16px 18px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.check-list li:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.18);}
.check-list i{color:var(--brand);margin-top:4px;font-size:13px;flex:0 0 auto;}
.check-list strong{display:block;color:var(--text);font-size:15px;font-weight:700;margin-bottom:2px;}

/* 步骤条 */
.steps{display:flex;flex-direction:column;gap:0;margin-top:24px;}
.step{
  position:relative;
  padding:0 0 28px 62px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:19px;top:44px;bottom:0;
  width:1px;
  background:linear-gradient(180deg,rgba(20,224,166,.45),rgba(20,224,166,.06));
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;
  left:0;top:0;
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  font-family:"Barlow Condensed",Inter,system-ui,sans-serif;
  font-size:18px;
  font-weight:800;
  color:var(--brand);
  background:rgba(20,224,166,.10);
  border:1px solid rgba(20,224,166,.32);
}
.step h3{margin:4px 0 6px;font-size:19px;}
.step p{color:var(--text-2);font-size:15px;line-height:1.8;}
.step-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
  padding:7px 12px;
  border-radius:10px;
  font-size:13px;
  color:var(--accent);
  background:rgba(255,194,75,.08);
  border:1px solid rgba(255,194,75,.24);
}

/* 图卡 */
.figure-card{
  margin-top:24px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--glass-line);
  background:var(--bg-2);
  box-shadow:var(--sh-card);
}
.figure-card img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.figure-card figcaption{
  padding:14px 20px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
}

/* 验证方式卡 */
.v-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:24px;
}
.v-card{
  position:relative;
  padding:24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.v-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,166,.65),transparent);
  opacity:0;
  transition:opacity .22s var(--ease);
}
.v-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);}
.v-card:hover::before{opacity:1;}
.v-card h3{font-size:18px;font-weight:700;margin:14px 0 8px;}
.v-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.v-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.v-card ul li{
  display:flex;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.7;
}
.v-card ul li i{color:var(--brand);margin-top:5px;font-size:11px;flex:0 0 auto;}

/* 提示条 */
.notice-bar{
  display:flex;
  gap:14px;
  align-items:flex-start;
  margin-top:26px;
  padding:20px 22px;
  border-radius:16px;
  background:linear-gradient(120deg,rgba(255,194,75,.10),rgba(255,194,75,.02));
  border:1px solid rgba(255,194,75,.26);
}
.notice-bar i{color:var(--accent);font-size:18px;margin-top:3px;}
.notice-bar p{color:#EBD9B4;font-size:14.5px;line-height:1.8;margin:0;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item.is-open{border-color:rgba(20,224,166,.35);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--text);
}
.faq-q .sign{
  width:26px;height:26px;
  flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:8px;
  border:1px solid var(--glass-line);
  color:var(--brand);
  font-size:13px;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-q .sign{transform:rotate(135deg);background:rgba(20,224,166,.12);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 24px 22px 27px;
  border-left:3px solid var(--brand);
  margin-left:0;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}

/* CTA 条 */
.cta-bar{
  margin-top:80px;
  border-radius:24px;
  background:linear-gradient(120deg,rgba(20,224,166,.10),rgba(15,163,255,.07) 55%,rgba(15,26,44,.5));
  border:1px solid rgba(20,224,166,.24);
  box-shadow:var(--sh-card);
  position:relative;
  overflow:hidden;
}
.cta-bar::after{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,224,166,.22),transparent 66%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px;
}
.cta-inner h2{font-size:28px;font-weight:800;line-height:1.3;margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap;}

/* 相关分类 */
.related{padding:80px 0 0;}
.related h2{
  font-size:20px;
  font-weight:800;
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.related h2::before{
  content:"";
  width:4px;height:18px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(20,224,166,.7);
}
.related-row{display:flex;flex-wrap:wrap;gap:12px;}
.related-row a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--glass-line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.related-row a:hover{
  color:var(--brand);
  border-color:rgba(20,224,166,.5);
  background:rgba(20,224,166,.08);
  transform:translateY(-2px);
}
.related-row a i{font-size:11px;}

/* ---------- 页脚 ---------- */
footer{
  margin-top:96px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;
  gap:40px;
}
.foot-brand .logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
}
.foot-brand .logo .mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:rgba(20,224,166,.10);
  border:1px solid rgba(20,224,166,.28);
  flex:0 0 auto;
}
.foot-brand .logo .mark svg{width:20px;height:20px;}
.foot-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;}
.foot-badges{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.foot-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--text);
}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{font-size:14px;color:var(--text-3);transition:color .2s var(--ease);}
.foot-col a:hover{color:var(--brand);}
.contact-line{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-3);}
.contact-line i{color:var(--brand);font-size:13px;}
.foot-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.foot-bottom .disc{max-width:660px;line-height:1.7;}

/* ---------- 移动端抽屉 ---------- */
.scrim{
  position:fixed;
  inset:0;
  background:rgba(3,6,12,.72);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:1100;
}
.scrim.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:12px;left:12px;right:12px;
  z-index:1200;
  padding:22px;
  border-radius:22px;
  background:rgba(11,20,36,.94);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--glass-line);
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  transform:translateY(-14px);
  opacity:0;
  visibility:hidden;
  transition:transform .26s var(--ease),opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .title{font-size:15px;font-weight:800;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:13px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);background:rgba(20,224,166,.10);}
.drawer-cta{margin-top:18px;}
.drawer-cta .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .dock-nav a{padding:8px 10px;font-size:12.5px;}
}
@media (max-width:1024px){
  .dock-nav{display:none;}
  .burger{display:grid;}
  .doc-layout{grid-template-columns:1fr;gap:36px;}
  .toc{position:static;top:auto;}
  .toc ol{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc a{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.04);}
  .toc-foot{display:none;}
  .inner-hero h1{font-size:36px;}
  .sec-head h2{font-size:26px;}
  .v-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px;}
  .check-list{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .inner-hero{padding:118px 0 48px;min-height:0;}
  .inner-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .page-main{padding-top:56px;}
  .doc-body{gap:44px;}
  .sec-head h2{font-size:24px;}
  .v-grid{grid-template-columns:1fr;}
  .cta-inner h2{font-size:22px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:520px){
  .dock{padding:8px 10px 8px 12px;gap:8px;}
  .dock-logo{font-size:13.5px;}
  .dock-logo .mark{width:30px;height:30px;border-radius:9px;}
  .dock-logo .mark svg{width:17px;height:17px;}
  .dock-actions .btn{display:none;}
  .hero-metrics{gap:12px;font-size:12.5px;}
  .hero-metrics .val{font-size:22px;}
  .hero-metrics .mid{height:18px;}
  .step{padding-left:52px;}
  .step-num{width:34px;height:34px;font-size:16px;border-radius:10px;}
  .step::before{left:16px;top:38px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a p{padding:0 18px 20px 20px;font-size:14.5px;}
  .cta-inner{padding:26px 22px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A13;
  --bg-1:#0B1424;
  --bg-2:#0F1A2C;
  --brand:#14E0A6;
  --brand-2:#0FA3FF;
  --accent:#FFC24B;
  --text:#F2F6FF;
  --text-2:#9FB0C8;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.075);
  --glass-border:rgba(255,255,255,.09);
  --glass-border-hover:rgba(255,255,255,.18);
  --ok:#2BD69A;
  --warn:#FFB454;
  --danger:#FF6B6B;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --shadow-card:0 12px 32px rgba(0,0,0,.38);
  --shadow-glow:0 0 0 1px rgba(20,224,166,.45), 0 10px 30px rgba(20,224,166,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(20,224,166,.3);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){ .container{max-width:1280px;} }
@media (max-width:640px){ .container{padding:0 18px;} }

.section{padding:96px 0;}
@media (max-width:1024px){ .section{padding:72px 0;} }
@media (max-width:640px){ .section{padding:56px 0;} }

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--brand));}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{font-size:32px;margin:14px 0 12px;}
.sec-head p{color:var(--text-2);font-size:16px;}
@media (max-width:640px){
  .sec-head h2{font-size:24px;}
  .sec-head{margin-bottom:32px;}
}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  z-index:900;
  width:calc(100% - 32px);
  max-width:1040px;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(9,16,28,.72);
  border:1px solid var(--glass-border);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:padding .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}
.dock.shrink{padding-top:6px;padding-bottom:6px;background:rgba(9,16,28,.88);}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap;}
.dock-logo .mark{
  width:30px;height:30px;display:grid;place-items:center;border-radius:9px;
  background:linear-gradient(135deg,rgba(20,224,166,.18),rgba(15,163,255,.14));
  border:1px solid rgba(20,224,166,.28);
}
.dock-logo .mark svg{width:18px;height:18px;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap;}
.dock-nav a{
  position:relative;
  font-size:13.5px;color:var(--text-2);
  padding:8px 12px;border-radius:999px;
  white-space:nowrap;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:calc(100% - 24px);height:2px;border-radius:2px;background:var(--brand);
  transition:transform .22s var(--ease);
}
.dock-nav a:hover{color:var(--text);background:rgba(20,224,166,.1);}
.dock-nav a.active{color:var(--text);background:rgba(20,224,166,.12);}
.dock-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:999px;
  color:var(--text-2);border:1px solid transparent;
  transition:color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.35);background:rgba(20,224,166,.08);}
.burger{display:none;}
@media (max-width:1024px){
  .dock-nav{display:none;}
  .dock-actions{margin-left:auto;}
  .burger{display:grid;}
}
@media (max-width:520px){
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .dock-logo{font-size:13.5px;}
  .dock-logo .mark{width:26px;height:26px;}
  .dock-actions .btn-sm{padding:8px 14px;font-size:13px;}
}

/* 移动端抽屉 */
.mask{
  position:fixed;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);z-index:940;
}
.mask.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);
  background:rgba(11,20,36,.96);
  border-left:1px solid var(--glass-border);
  backdrop-filter:blur(20px);
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  z-index:960;
  display:flex;flex-direction:column;gap:6px;
  padding:86px 22px 28px;
}
.drawer.show{transform:translateX(0);}
.drawer a.drawer-link{
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;
  opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--ease), transform .3s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.drawer.show a.drawer-link{opacity:1;transform:translateY(0);}
.drawer a.drawer-link:hover,.drawer a.drawer-link.active{color:var(--text);background:rgba(20,224,166,.1);border-color:rgba(20,224,166,.22);}
.drawer .drawer-cta{margin-top:14px;}
.drawer-close{position:absolute;top:18px;right:18px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-primary{
  color:#04120D;
  background:linear-gradient(135deg,var(--brand) 0%, #12CBB6 45%, var(--brand-2) 100%);
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,.6), 0 16px 38px rgba(20,224,166,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-accent{
  color:#1A1200;background:linear-gradient(135deg,var(--accent) 0%, #FFD98A 100%);
  box-shadow:0 0 0 1px rgba(255,194,75,.45), 0 10px 30px rgba(255,194,75,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,194,75,.65), 0 16px 38px rgba(255,194,75,.32);}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;
  border-bottom:1px solid transparent;transition:border-color .2s var(--ease), color .2s var(--ease);
}
.btn-text:hover{border-bottom-color:var(--brand);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.tag-brand{color:#8CF3D8;background:rgba(20,224,166,.12);border-color:rgba(20,224,166,.3);}
.tag-accent{color:#FFD98A;background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.3);}
.tag-info{color:#9CD3FF;background:rgba(15,163,255,.12);border-color:rgba(15,163,255,.3);}
.glass{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:12%;right:12%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,166,.7),transparent);
  opacity:0;transition:opacity .24s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--glass-border-hover);background:var(--glass-strong);}
.card:hover::before{opacity:1;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.crumb a{color:var(--text-2);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 内页 Hero ---------- */
.hero-inner{
  position:relative;
  padding:150px 0 0;
  overflow:hidden;
}
.hero-banner{
  position:relative;
  height:320px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--glass-border);
  background-image:linear-gradient(180deg,rgba(6,10,19,.35) 0%, rgba(6,10,19,.86) 68%, rgba(6,10,19,.98) 100%), url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  display:flex;align-items:flex-end;
  box-shadow:var(--shadow-card);
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(45deg,rgba(255,255,255,.055) 1px, transparent 1px),
                   linear-gradient(-45deg,rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:.55;
  pointer-events:none;
}
.hero-banner-inner{position:relative;z-index:2;padding:0 40px 36px;width:100%;}
.hero-inner h1{font-size:48px;margin:16px 0 14px;max-width:820px;}
.hero-inner .lede{font-size:18px;color:var(--text-2);max-width:660px;line-height:1.7;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.hero-metrics{
  display:flex;align-items:center;gap:26px;margin-top:30px;flex-wrap:wrap;
}
.hero-metrics .m{display:flex;flex-direction:column;gap:2px;}
.hero-metrics .m b{font-size:26px;font-weight:800;color:var(--brand);font-family:Inter,"Barlow Condensed",system-ui,sans-serif;letter-spacing:-.02em;}
.hero-metrics .m span{font-size:13px;color:var(--text-3);}
.hero-metrics .vline{width:1px;height:34px;background:var(--line);}
@media (max-width:1024px){
  .hero-inner{padding-top:126px;}
  .hero-inner h1{font-size:34px;}
  .hero-banner{height:280px;}
}
@media (max-width:640px){
  .hero-inner{padding-top:112px;}
  .hero-banner{height:auto;padding-top:44px;}
  .hero-banner-inner{padding:0 20px 26px;}
  .hero-inner h1{font-size:30px;}
  .hero-inner .lede{font-size:15.5px;}
  .hero-metrics{gap:16px;}
  .hero-metrics .m b{font-size:22px;}
}

/* ---------- 安全三要素卡 ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pillar{padding:28px;}
.pillar .ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(20,224,166,.18),rgba(15,163,255,.12));
  border:1px solid rgba(20,224,166,.28);
  color:var(--brand);font-size:18px;margin-bottom:18px;
}
.pillar h3{font-size:19px;margin-bottom:10px;}
.pillar p{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.pillar .plist{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.pillar .plist li{display:flex;gap:9px;font-size:14px;color:var(--text-2);}
.pillar .plist li i{color:var(--brand);font-size:12px;margin-top:7px;}
@media (max-width:900px){ .pillars{grid-template-columns:1fr;} }

/* ---------- 安全时间线 ---------- */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:52px;align-items:start;}
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:23px;top:16px;bottom:36px;width:1px;
  background:linear-gradient(180deg,rgba(20,224,166,.7),rgba(20,224,166,.15) 60%,rgba(255,255,255,.06));
}
.tl-item{position:relative;padding-left:82px;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  font-family:Inter,"Barlow Condensed",system-ui,sans-serif;
  font-size:17px;font-weight:800;color:var(--brand);
  background:rgba(20,224,166,.1);
  border:1px solid rgba(20,224,166,.34);
  box-shadow:0 0 0 6px rgba(6,10,19,1);
}
.tl-item h3{font-size:20px;margin-bottom:8px;}
.tl-item > p{color:var(--text-2);font-size:15px;line-height:1.8;}
.tl-box{
  margin-top:14px;padding:16px 18px;border-radius:14px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;
}
.tl-box li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.tl-box li i{color:var(--brand);font-size:11px;margin-top:8px;}
.tl-note{
  margin-top:14px;font-size:13.5px;color:var(--warn);
  display:flex;gap:8px;align-items:flex-start;
}
.tl-note i{margin-top:4px;}

.side-panel{position:sticky;top:104px;padding:28px;}
.side-panel h3{font-size:18px;margin-bottom:6px;}
.side-panel .sub{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.checklist{display:flex;flex-direction:column;gap:12px;}
.checklist li{
  display:flex;gap:11px;align-items:flex-start;
  padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  font-size:14px;color:var(--text-2);
  transition:border-color .22s var(--ease), transform .22s var(--ease);
}
.checklist li:hover{border-color:rgba(20,224,166,.34);transform:translateX(3px);}
.checklist li i{color:var(--brand);font-size:12px;margin-top:7px;}
.side-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.side-cta .btn{width:100%;}
@media (max-width:1024px){
  .timeline-wrap{grid-template-columns:1fr;gap:36px;}
  .side-panel{position:static;}
}
@media (max-width:640px){
  .tl-item{padding-left:64px;}
  .tl-node{width:40px;height:40px;border-radius:12px;font-size:15px;}
  .timeline::before{left:19px;}
  .tl-item h3{font-size:18px;}
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .24s var(--ease), background .24s var(--ease);
}
.faq-item:hover{border-color:var(--glass-border-hover);}
.faq-item.is-open{border-color:rgba(20,224,166,.35);background:rgba(20,224,166,.05);}
.faq-q button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
}
.faq-q span{font-size:17px;font-weight:700;color:var(--text);line-height:1.5;}
.faq-item.is-open .faq-q span{color:var(--brand);}
.faq-ico{
  flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:12px;
  transition:transform .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
}
.faq-item.is-open .faq-ico{transform:rotate(45deg);color:var(--brand);border-color:rgba(20,224,166,.4);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 24px 22px 24px;
  border-left:3px solid var(--brand);
  margin-left:24px;padding-left:18px;
}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.8;}
@media (max-width:640px){
  .faq-q button{padding:17px 18px;gap:12px;}
  .faq-q span{font-size:15.5px;}
  .faq-a-inner{margin-left:18px;padding:0 18px 18px 14px;}
}

/* ---------- 提示条 ---------- */
.notice{
  margin-top:44px;
  display:flex;gap:18px;align-items:flex-start;
  padding:24px 26px;border-radius:var(--r-card);
  background:linear-gradient(135deg,rgba(255,194,75,.12),rgba(255,194,75,.03));
  border:1px solid rgba(255,194,75,.3);
}
.notice .n-ico{
  flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,194,75,.16);color:var(--accent);font-size:17px;
}
.notice h3{font-size:17px;margin-bottom:6px;color:#FFD98A;}
.notice p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
  padding:44px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(20,224,166,.12),rgba(15,163,255,.07) 55%,rgba(255,255,255,.03));
  border:1px solid rgba(20,224,166,.24);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(45deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px;}
.cta-visual{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
}
.cta-visual img{width:100%;aspect-ratio:1/1;object-fit:cover;}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:30px;gap:26px;}
  .cta-band h2{font-size:24px;}
  .cta-visual{max-width:300px;}
}

/* ---------- 相关分类条 ---------- */
.rel-bar{
  margin-top:56px;padding:24px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.rel-bar .rel-title{font-size:14px;color:var(--text-3);font-weight:700;flex:none;}
.rel-links{display:flex;gap:10px;flex-wrap:wrap;}
.rel-links a{
  padding:8px 15px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}
.rel-links a:hover{color:var(--brand);border-color:rgba(20,224,166,.34);background:rgba(20,224,166,.08);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
footer{
  margin-top:0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:70px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:44px;}
.foot-brand .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:16px;}
.foot-brand .logo .mark{
  width:30px;height:30px;display:grid;place-items:center;border-radius:9px;
  background:linear-gradient(135deg,rgba(20,224,166,.18),rgba(15,163,255,.14));
  border:1px solid rgba(20,224,166,.28);
}
.foot-brand .logo .mark svg{width:18px;height:18px;}
.foot-brand p{color:var(--text-2);font-size:14px;max-width:320px;line-height:1.85;}
.foot-badges{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap;}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:18px;letter-spacing:.02em;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col ul a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease), padding-left .2s var(--ease);}
.foot-col ul a:hover{color:var(--brand);padding-left:4px;}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);}
.contact-line i{color:var(--brand);font-size:13px;margin-top:6px;}
.foot-bottom{
  margin-top:60px;padding:24px 0 34px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom .disc{max-width:760px;line-height:1.8;}
@media (max-width:1024px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:640px){
  footer{padding-top:52px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  .foot-bottom{margin-top:40px;flex-direction:column;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .card:hover,.btn:hover,.checklist li:hover,.rel-links a:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --bg-0:#060A13;
  --bg-1:#0B1424;
  --bg-2:#0F1A2C;
  --brand:#14E0A6;
  --brand-2:#0FA3FF;
  --accent:#FFC24B;
  --ink:#F2F6FF;
  --ink-2:#9FB0C8;
  --ink-3:#64748B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --glass-line:rgba(255,255,255,.09);
  --ok:#2BD69A;
  --warn:#FFB454;
  --danger:#FF6B6B;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.38);
  --shadow-glow:0 0 0 1px rgba(20,224,166,.45),0 10px 30px rgba(20,224,166,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-section:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.25;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:14px;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease),opacity .22s var(--ease);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;}

::selection{background:rgba(20,224,166,.28);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--gap-section) 0;}
.section-sm{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent);}
.sec-head{max-width:680px;margin-bottom:44px;}
.sec-head h2{font-size:32px;margin:14px 0 12px;}
.sec-head p{color:var(--ink-2);font-size:15.5px;}

.skip{position:absolute;left:-9999px;top:0;}
.skip:focus{left:16px;top:16px;z-index:200;background:var(--brand);color:#04120D;padding:10px 16px;border-radius:10px;}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:1040px;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(9,16,28,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
  z-index:120;
  transition:padding .26s var(--ease),background-color .26s var(--ease),box-shadow .26s var(--ease);
}
.dock.is-scrolled{padding:6px 14px 6px 18px;background:rgba(9,16,28,.86);box-shadow:0 14px 44px rgba(0,0,0,.55);}
.dock-logo{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap;flex:0 0 auto;}
.dock-logo .mark,.logo .mark{
  width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:rgba(20,224,166,.12);border:1px solid rgba(20,224,166,.3);
  flex:0 0 auto;
}
.dock-logo .mark svg,.logo .mark svg{width:19px;height:19px;}
.dock-logo:hover{color:var(--brand);}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto;min-width:0;}
.dock-nav a{
  position:relative;display:block;padding:8px 11px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--ink-2);white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:rgba(20,224,166,.12);}
.dock-nav a.active{color:var(--ink);background:rgba(20,224,166,.1);}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(20,224,166,.8);
}
.dock-nav a:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--glass-line);color:var(--ink-2);
  background:rgba(255,255,255,.03);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.5);background:rgba(20,224,166,.1);}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.burger{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:650;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-primary{
  background:linear-gradient(135deg,#14E0A6 0%,#14E0A6 55%,#0FA3FF 100%);
  color:#04120D;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,.55),0 14px 38px rgba(20,224,166,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-accent{
  background:linear-gradient(135deg,#FFC24B 0%,#FFC24B 60%,#FFB454 100%);
  color:#1A1204;box-shadow:0 0 0 1px rgba(255,194,75,.4),0 10px 30px rgba(255,194,75,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,194,75,.55),0 14px 36px rgba(255,194,75,.34);}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--ink);
}
.btn-ghost:hover{border-color:rgba(20,224,166,.6);color:var(--brand);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-size:14px;font-weight:600;border-radius:8px;padding:4px 2px;}
.btn-text:hover{color:var(--brand);}
.btn-text i{transition:transform .22s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:10px;}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:140px 0 60px;
  min-height:340px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,10,19,.6) 0%,rgba(6,10,19,.9) 62%,var(--bg-0) 100%),
    linear-gradient(90deg,rgba(6,10,19,.95) 0%,rgba(6,10,19,.5) 60%,rgba(6,10,19,.2) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:9px;color:var(--ink-3);}
.page-hero h1{font-size:46px;max-width:820px;margin-bottom:16px;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.page-hero .lead{font-size:18px;color:var(--ink-2);max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--ink-2);
  border:1px solid var(--glass-line);background:rgba(255,255,255,.04);
}
.tag-brand{color:var(--brand);border-color:rgba(20,224,166,.35);background:rgba(20,224,166,.1);}
.tag-accent{color:var(--accent);border-color:rgba(255,194,75,.35);background:rgba(255,194,75,.1);}
.tag-blue{color:var(--brand-2);border-color:rgba(15,163,255,.35);background:rgba(15,163,255,.1);}

/* ============ 通用玻璃卡 ============ */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
}

/* 功能卡网格 */
.f-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.f-card{
  position:relative;padding:28px 24px;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.f-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,166,.85),transparent);
  opacity:0;transition:opacity .24s var(--ease);
}
.f-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:0 18px 44px rgba(0,0,0,.46);}
.f-card:hover::before{opacity:1;}
.f-icon{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;font-size:17px;color:var(--brand);
  background:rgba(20,224,166,.1);border:1px solid rgba(20,224,166,.28);
  margin-bottom:18px;
}
.f-card h3{font-size:18px;margin-bottom:10px;}
.f-card p{font-size:14.5px;color:var(--ink-2);}
.f-card .idx{
  position:absolute;right:20px;top:18px;font-size:34px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.14);
}

/* ============ Banner 网格 ============ */
.banner-grid{display:grid;grid-template-columns:1.45fr 1fr;grid-template-rows:auto auto;gap:24px;}
.bn{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--glass-line);min-height:190px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:26px;isolation:isolate;
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.bn img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;z-index:-2;transition:transform .5s var(--ease);}
.bn::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(6,10,19,.15) 0%,rgba(6,10,19,.75) 55%,rgba(6,10,19,.95) 100%);
}
.bn:hover{border-color:rgba(20,224,166,.45);transform:translateY(-4px);}
.bn:hover img{transform:scale(1.05);}
.bn-main{grid-row:span 2;min-height:420px;padding:34px;}
.bn-main h3{font-size:26px;margin:14px 0 10px;}
.bn h3{font-size:19px;margin:12px 0 8px;}
.bn p{font-size:14.5px;color:var(--ink-2);max-width:520px;}
.bn .meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-3);margin-top:14px;}
.bn .meta span{display:inline-flex;align-items:center;gap:6px;}

/* ============ 交替图文 ============ */
.rows{display:grid;gap:56px;}
.row-media{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.row-media .rm-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow-card);}
.row-media .rm-media img{border-radius:0;aspect-ratio:16/10;object-fit:cover;width:100%;}
.row-media .rm-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(20,224,166,.12),transparent 55%);}
.row-media.reverse .rm-media{order:2;}
.rm-body h3{font-size:26px;margin:16px 0 12px;}
.rm-body p{color:var(--ink-2);font-size:15.5px;}
.rm-list{margin-top:20px;display:grid;gap:10px;}
.rm-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);}
.rm-list i{color:var(--brand);margin-top:5px;font-size:12px;}
.rm-link{margin-top:22px;display:inline-flex;}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--glass-line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  overflow:hidden;
}
.stat{padding:30px 26px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat .num{font-size:40px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat .num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--ink-2);}
.stat .lbl{margin-top:8px;font-size:13.5px;color:var(--ink-2);}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:44px;height:1px;
  background-image:linear-gradient(90deg,rgba(255,255,255,.22) 0 6px,transparent 6px 14px);
  background-size:14px 1px;background-repeat:repeat-x;
}
.step{position:relative;padding:26px 22px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-line);}
.step .sn{
  font-size:38px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.2px rgba(20,224,166,.75);
  margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:120px;}
.faq-side h2{font-size:30px;margin:14px 0 12px;}
.faq-side p{color:var(--ink-2);font-size:15px;}
.faq-side .btn{margin-top:24px;}
.acc{display:grid;gap:12px;}
.acc-item{
  position:relative;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:14px;overflow:hidden;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.acc-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),rgba(20,224,166,.1));
  opacity:0;transition:opacity .24s var(--ease);
}
.acc-item.open{border-color:rgba(20,224,166,.4);background:rgba(20,224,166,.05);}
.acc-item.open::before{opacity:1;}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:650;color:var(--ink);
}
.acc-head .ico{
  width:26px;height:26px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--glass-line);color:var(--brand);font-size:13px;
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.acc-item.open .acc-head .ico{transform:rotate(45deg);background:rgba(20,224,166,.16);}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.acc-body p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ============ 相关分类条 ============ */
.relbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:22px 26px;border-radius:var(--r-lg);
  border:1px solid var(--glass-line);background:var(--glass);
}
.relbar .rl-title{font-size:14px;font-weight:700;color:var(--ink);margin-right:6px;display:inline-flex;align-items:center;gap:8px;}
.relbar .rl-title i{color:var(--brand);font-size:12px;}
.rel-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);font-size:13.5px;
  color:var(--ink-2);border:1px solid var(--glass-line);background:rgba(255,255,255,.03);
}
.rel-link:hover{color:var(--brand);border-color:rgba(20,224,166,.5);background:rgba(20,224,166,.1);}
.rel-link.cur{color:#04120D;background:linear-gradient(135deg,#14E0A6,#0FA3FF);border-color:transparent;font-weight:700;}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(20,224,166,.14) 0%,rgba(15,163,255,.08) 45%,rgba(255,255,255,.03) 100%),var(--bg-1);
  padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,224,166,.22),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{color:var(--ink-2);font-size:15.5px;max-width:600px;}
.cta-band .acts{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 抽屉导航 ============ */
.drawer{
  position:fixed;inset:0;z-index:110;
  background:rgba(6,10,19,.94);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:96px 28px 40px;
  opacity:0;pointer-events:none;transition:opacity .26s var(--ease);
}
.drawer.open{opacity:1;pointer-events:auto;}
.drawer a.drawer-link{
  padding:16px 4px;font-size:18px;font-weight:650;color:var(--ink);
  border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.active{color:var(--brand);}
.drawer.open a.drawer-link{opacity:1;transform:none;}
.drawer.open a.drawer-link:nth-child(1){transition-delay:.04s;}
.drawer.open a.drawer-link:nth-child(2){transition-delay:.08s;}
.drawer.open a.drawer-link:nth-child(3){transition-delay:.12s;}
.drawer.open a.drawer-link:nth-child(4){transition-delay:.16s;}
.drawer.open a.drawer-link:nth-child(5){transition-delay:.2s;}
.drawer.open a.drawer-link:nth-child(6){transition-delay:.24s;}
.drawer .drawer-cta{margin-top:28px;display:flex;}
.drawer .drawer-cta .btn{width:100%;}

/* ============ 页脚 ============ */
footer{
  margin-top:20px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:72px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:44px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);}
.foot-brand p{margin-top:18px;font-size:14.5px;color:var(--ink-2);max-width:340px;}
.foot-badges{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.foot-col h4{font-size:15px;margin-bottom:18px;color:var(--ink);}
.foot-col ul{display:grid;gap:12px;}
.foot-col a{font-size:14px;color:var(--ink-2);}
.foot-col a:hover{color:var(--brand);}
.contact-line{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);}
.contact-line i{margin-top:5px;color:var(--brand);font-size:13px;}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.foot-bottom .disc{max-width:900px;line-height:1.7;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .dock-nav a{padding:8px 9px;font-size:13px;}
}
@media (max-width:1024px){
  :root{--gap-section:72px;}
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .f-grid{grid-template-columns:repeat(2,1fr);}
  .banner-grid{grid-template-columns:1fr;}
  .bn-main{grid-row:auto;min-height:320px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .page-hero h1{font-size:36px;}
  .row-media{gap:36px;}
}
@media (max-width:768px){
  :root{--gap-section:56px;}
  .container{padding:0 18px;}
  .dock{width:calc(100% - 24px);top:10px;padding:8px 10px 8px 14px;gap:10px;}
  .page-hero{padding:112px 0 48px;min-height:280px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16px;}
  .sec-head h2{font-size:24px;}
  .f-grid{grid-template-columns:1fr;}
  .row-media{grid-template-columns:1fr;}
  .row-media.reverse .rm-media{order:0;}
  .rm-body h3{font-size:22px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:nth-child(odd){border-right:1px solid var(--line);}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:24px;}
  .bn-main{min-height:280px;padding:24px;}
  .bn-main h3{font-size:22px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .acc-head{padding:17px 18px;font-size:15px;}
  .acc-body p{padding:0 18px 20px;}
  .relbar{padding:18px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .cta-band .acts{width:100%;}
  .cta-band .acts .btn{width:100%;}
  .stat .num{font-size:32px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .f-card:hover,.bn:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category5 */
:root{
  --bg-0:#060A13;
  --bg-1:#0B1424;
  --bg-2:#0F1A2C;
  --brand:#14E0A6;
  --brand-2:#0FA3FF;
  --accent:#FFC24B;
  --tx-1:#F2F6FF;
  --tx-2:#9FB0C8;
  --tx-3:#64748B;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --ok:#2BD69A;
  --warn:#FFB454;
  --danger:#FF6B6B;
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --shadow:0 12px 32px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(20,224,166,.45),0 10px 30px rgba(20,224,166,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 440px at 10% -8%, rgba(20,224,166,.11), transparent 62%),
    radial-gradient(700px 480px at 92% 2%, rgba(15,163,255,.10), transparent 60%),
    radial-gradient(600px 400px at 50% 110%, rgba(255,194,75,.05), transparent 65%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:32px;font-weight:800}
.section-head p{margin-top:10px;color:var(--tx-2);font-size:15px;max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:.04em;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1040px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 12px 10px 18px;
  background:rgba(9,16,28,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  border-radius:999px;
  box-shadow:0 12px 40px rgba(0,0,0,.45);
  z-index:80;
  transition:padding .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.scrolled{padding:6px 12px 6px 18px;background:rgba(9,16,28,.88);box-shadow:0 16px 44px rgba(0,0,0,.55)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.dock-logo .mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(20,224,166,.10);border:1px solid rgba(20,224,166,.28);flex:none}
.dock-logo .mark svg{width:19px;height:19px}
.dock-logo:hover{color:var(--brand)}
.dock-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.dock-nav a{
  padding:8px 11px;border-radius:999px;font-size:13px;color:var(--tx-2);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
  position:relative;
}
.dock-nav a:hover{color:var(--brand);background:rgba(20,224,166,.10)}
.dock-nav a.active{color:var(--tx-1);background:rgba(20,224,166,.14)}
.dock-nav a.active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--glass-line);background:rgba(255,255,255,.04);
  color:var(--tx-2);transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.45);background:rgba(20,224,166,.10)}
.burger{display:none}
.dock-backdrop{
  position:fixed;inset:0;background:rgba(3,6,12,.72);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.dock.open + .dock-backdrop{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand) 62%,var(--brand-2) 100%);
  color:#04120D;
  box-shadow:0 0 0 1px rgba(20,224,166,.45),0 10px 30px rgba(20,224,166,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,224,166,.58),0 14px 38px rgba(20,224,166,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent) 0%,#FFB02E 100%);
  color:#1B1200;box-shadow:0 0 0 1px rgba(255,194,75,.45),0 10px 28px rgba(255,194,75,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,194,75,.6),0 14px 36px rgba(255,194,75,.34)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--tx-1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(20,224,166,.06)}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--tx-2);font-weight:600;gap:6px}
.btn-text:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:10px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn.is-loading{pointer-events:none;opacity:.9}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(4,18,13,.3);border-top-color:#04120D;
  animation:spin .7s linear infinite;margin-left:6px;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;line-height:1.6;color:var(--tx-2);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
}
.tag-brand{color:var(--brand);background:rgba(20,224,166,.10);border-color:rgba(20,224,166,.28)}
.tag-accent{color:var(--accent);background:rgba(255,194,75,.10);border-color:rgba(255,194,75,.28)}
.tag-blue{color:#8FD2FF;background:rgba(15,163,255,.10);border-color:rgba(15,163,255,.28)}

/* ============ 页头小头图 ============ */
.page-hero{
  position:relative;height:320px;margin:0;
  border-radius:0 0 28px 28px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(6,10,19,.42) 0%,rgba(6,10,19,.86) 68%,rgba(6,10,19,.98) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 82%);
  pointer-events:none;
}
.hero-inner{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:34px;gap:10px;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--brand);background:rgba(20,224,166,.12);border:1px solid rgba(20,224,166,.3);
}
.hero-note{color:var(--tx-2);font-size:14px;max-width:720px}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--tx-3);padding:22px 24px 0}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--tx-3)}

/* ============ H1 区 ============ */
.lead-section{padding:26px 0 8px}
.lead-section h1{font-size:48px;font-weight:800;max-width:860px;line-height:1.2}
.lead-sub{margin-top:18px;font-size:18px;color:var(--tx-2);max-width:760px;line-height:1.8}
.lead-meta{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:26px}
.lead-meta span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-2)}
.lead-meta i{color:var(--brand);font-size:13px}

/* ============ 通用卡片 ============ */
.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:26px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,166,.75),transparent);
  opacity:0;transition:opacity .24s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.card:hover::before{opacity:1}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--tx-2);font-size:15px;line-height:1.8}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,224,166,.10);border:1px solid rgba(20,224,166,.26);color:var(--brand);
  font-size:17px;margin-bottom:18px;
}
.card-icon.blue{background:rgba(15,163,255,.10);border-color:rgba(15,163,255,.26);color:#8FD2FF}
.card-icon.accent{background:rgba(255,194,75,.10);border-color:rgba(255,194,75,.26);color:var(--accent)}

/* ============ 自助排查网格 ============ */
.fix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.fix-card .fix-step{
  font-family:Inter,"Barlow Condensed",sans-serif;
  font-size:34px;font-weight:800;color:transparent;
  -webkit-text-stroke:1.2px rgba(20,224,166,.55);
  letter-spacing:.02em;display:block;margin-bottom:14px;
}
.fix-card:hover .fix-step{-webkit-text-stroke-color:var(--brand)}

/* ============ 联系表单区 ============ */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start}
.info-stack{display:flex;flex-direction:column;gap:18px}
.info-card{display:flex;gap:16px;align-items:flex-start;padding:22px 24px}
.info-card .card-icon{margin-bottom:0;flex:none;width:42px;height:42px;font-size:16px}
.info-card h3{font-size:17px;margin-bottom:6px}
.info-card p{font-size:14px;line-height:1.75}
.info-card .contact-mail{color:var(--brand);font-weight:600;font-size:14px;font-family:Inter,sans-serif}
.form-card{padding:32px}
.form-card h2{font-size:24px;margin-bottom:8px}
.form-card .form-note{color:var(--tx-2);font-size:14px;margin-bottom:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--tx-2);margin-bottom:8px}
.field .req{color:var(--accent);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 15px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;color:var(--tx-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239FB0C8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.field select option{background:#0F1A2C;color:#F2F6FF}
.field textarea{height:auto;min-height:128px;padding:13px 15px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(20,224,166,.06);
  box-shadow:0 0 0 3px rgba(20,224,166,.16),0 0 22px rgba(20,224,166,.22);
}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:6px}
.form-hint{font-size:12px;color:var(--tx-3);max-width:420px;line-height:1.7}
.form-ok{
  margin-top:20px;padding:14px 18px;border-radius:12px;font-size:14px;
  color:var(--ok);background:rgba(43,214,154,.10);border:1px solid rgba(43,214,154,.3);
  display:none;
}
.form-ok.show{display:block}

/* ============ 处理时效 ============ */
.flow-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow-item{position:relative;padding-top:26px}
.flow-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(20,224,166,.55),rgba(255,255,255,.06));
}
.flow-num{
  font-family:Inter,"Barlow Condensed",sans-serif;font-weight:800;font-size:15px;
  color:#04120D;background:var(--brand);width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{color:var(--tx-2);font-size:14px;line-height:1.8}

/* ============ 准备清单 / 支持范围 ============ */
.prep-grid{display:grid;grid-template-columns:6fr 6fr;gap:28px;align-items:stretch}
.panel{
  border:1px solid var(--glass-line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  padding:32px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.panel h2{font-size:26px;margin-bottom:12px}
.panel > p{color:var(--tx-2);font-size:15px;margin-bottom:22px}
.check-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--tx-2)}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--brand);margin-top:6px;font-size:13px;flex:none}
.check-list strong{color:var(--tx-1);font-weight:600}
.scope-img{border-radius:16px;overflow:hidden;border:1px solid var(--glass-line);margin-bottom:22px}
.scope-img img{width:100%;height:190px;object-fit:cover}

/* ============ CTA 条 ============ */
.cta-bar{
  border-radius:var(--r-lg);
  border:1px solid rgba(20,224,166,.24);
  background:
    radial-gradient(600px 240px at 8% 0%,rgba(20,224,166,.16),transparent 68%),
    radial-gradient(520px 260px at 96% 100%,rgba(255,194,75,.10),transparent 66%),
    rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-bar h2{font-size:28px;margin-bottom:10px}
.cta-bar p{color:var(--tx-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 相关分类 ============ */
.rel-bar{padding:36px 0 64px}
.rel-inner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;
}
.rel-inner .rel-label{font-size:13px;color:var(--tx-3);margin-right:6px;display:inline-flex;align-items:center;gap:8px}
.rel-link{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  font-size:13px;color:var(--tx-2);background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.rel-link:hover{color:var(--brand);border-color:rgba(20,224,166,.45);background:rgba(20,224,166,.10);transform:translateY(-2px)}
.rel-link.current{color:var(--brand);border-color:rgba(20,224,166,.45);background:rgba(20,224,166,.12)}

/* ============ 页脚 ============ */
footer{position:relative;z-index:1;background:var(--bg-1);border-top:1px solid var(--line);padding:72px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:2.2fr 1fr 1.3fr 1.5fr;gap:36px}
.foot-brand .logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:16px}
.foot-brand .logo .mark{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(20,224,166,.10);border:1px solid rgba(20,224,166,.28)}
.foot-brand .logo .mark svg{width:20px;height:20px}
.foot-brand p{color:var(--tx-2);font-size:14px;max-width:340px;line-height:1.8}
.foot-badges{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.foot-col h4{font-size:15px;margin-bottom:16px;color:var(--tx-1)}
.foot-col ul li{margin-bottom:11px}
.foot-col ul li a{font-size:14px;color:var(--tx-2)}
.foot-col ul li a:hover{color:var(--brand)}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--tx-2)}
.contact-line i{color:var(--brand);margin-top:5px;font-size:13px;width:16px;flex:none}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.foot-bottom .disc{max-width:720px;line-height:1.7}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .dock-nav a{padding:8px 9px;font-size:12.5px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .section-tight{padding:44px 0}
  .fix-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .flow-row{grid-template-columns:repeat(2,1fr);gap:26px}
  .prep-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .lead-section h1{font-size:36px}

  .dock{left:16px;right:16px;transform:none;width:auto;border-radius:20px;padding:10px 12px 10px 16px}
  .dock.scrolled{padding:8px 12px 8px 16px}
  .burger{display:inline-flex}
  .dock-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;
    padding:96px 22px 34px;margin:0;
    background:rgba(6,10,19,.97);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border-radius:0;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
    z-index:75;
  }
  .dock.open .dock-nav{opacity:1;visibility:visible;transform:none}
  .dock-nav a{padding:15px 16px;font-size:16px;border-radius:14px;border:1px solid var(--glass-line);background:rgba(255,255,255,.03)}
  .dock-nav a.active{background:rgba(20,224,166,.12);border-color:rgba(20,224,166,.35)}
  .dock-nav a.active::after{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .crumb{padding:20px 18px 0}
  .lead-section h1{font-size:30px}
  .lead-sub{font-size:16px}
  .section-head h2{font-size:24px}
  .page-hero{height:250px;border-radius:0 0 22px 22px}
  .form-card{padding:24px}
  .form-row{grid-template-columns:1fr;gap:0}
  .cta-bar{padding:28px}
  .cta-bar h2{font-size:22px}
  .panel{padding:24px}
  .fix-grid{grid-template-columns:1fr}
  .flow-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{justify-content:flex-start}
  .card h3{font-size:18px}
  .btn{width:100%}
  .btn-sm,.btn-text{width:auto}
  .cta-actions{width:100%}
  .dock-actions .btn-sm{width:auto}
}
@media (max-width:520px){
  .section{padding:56px 0}
  .lead-meta{gap:14px}
  .hero-note{font-size:13px}
  .rel-inner{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .card:hover,.btn:hover,.rel-link:hover{transform:none !important}
}