/* roulang page: index */
:root{
  --bg:#061020;
  --bg2:#0B1A2E;
  --bg3:#0E2138;
  --glass:rgba(255,255,255,.055);
  --glass-bd:rgba(120,225,255,.14);
  --brand:#22E0C2;
  --brand-d:#12B79E;
  --accent:#FFC46B;
  --tx:#E9F1FB;
  --tx2:#9FB3CE;
  --tx3:#6C8299;
  --line:rgba(255,255,255,.08);
  --sh:0 18px 44px -18px rgba(2,8,20,.75);
  --r-card:18px;
  --r-sm:14px;
  --r-in:12px;
  --pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:#5CF0DA;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;color:var(--tx);}
h1{font-size:clamp(32px,5vw,56px);line-height:1.2;}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;color:var(--tx2);}
ul,ol{margin:0 0 1em;padding-left:1.2em;color:var(--tx2);}
li{margin-bottom:.4em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px;}
@media (min-width:1440px){.container{max-width:1320px;}}
.grid-container{max-width:1240px;padding-left:32px;padding-right:32px;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
}
.site-header.is-scrolled{
  background:rgba(6,16,32,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;color:var(--tx);font-weight:700;font-size:17px;letter-spacing:-.2px;}
.logo:hover{color:var(--tx);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  background:linear-gradient(150deg,rgba(34,224,194,.9),rgba(18,120,150,.55));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 1px rgba(34,224,194,.35),0 10px 24px -12px rgba(34,224,194,.6);
}
.logo-mark svg{width:18px;height:18px;stroke:#04121B;stroke-width:1.9;fill:none;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:700;}
.logo-text span{font-size:11px;color:var(--tx3);letter-spacing:.14em;font-weight:400;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--pill);
  font-size:14.5px;color:var(--tx2);white-space:nowrap;transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--tx);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(34,224,194,.85);
}
.nav-cta{margin-left:10px;}
.nav-actions{display:flex;align-items:center;gap:10px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;padding:13px 24px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  text-decoration:none;
}
.btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.7;fill:none;}
.btn-primary{
  background:linear-gradient(180deg,#2BF0D0,#12B79E);
  color:#04241F;
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 12px 32px -10px rgba(34,224,194,.5);
}
.btn-primary:hover{
  color:#04241F;transform:translateY(-2px);
  background:linear-gradient(180deg,#43F5D8,#17C7AC);
  box-shadow:0 0 0 1px rgba(34,224,194,.6),0 16px 38px -10px rgba(34,224,194,.65);
}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(34,224,194,.3);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(34,224,194,.1);color:#7CF6E2;border-color:rgba(34,224,194,.55);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-wide{width:100%;}

.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-bd);
  align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--tx);border-radius:2px;margin:2.5px 0;transition:transform var(--t),opacity var(--t);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(3,8,18,.66);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:80;
  background:linear-gradient(180deg,#0B1A2E,#071324);
  border-left:1px solid var(--glass-bd);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  padding:22px 22px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--glass-bd);color:var(--tx);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;color:var(--tx2);
  font-size:15.5px;border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.is-active{
  color:var(--brand);background:rgba(34,224,194,.08);border-color:rgba(34,224,194,.22);
}
.drawer-sep{height:1px;background:var(--line);margin:12px 0;}
.drawer-note{font-size:12.5px;color:var(--tx3);line-height:1.7;}

/* ============ Hero ============ */
.hero{position:relative;padding:132px 0 72px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,16,32,.55) 0%,rgba(6,16,32,.86) 46%,rgba(6,16,32,.98) 100%),
             radial-gradient(1000px 460px at 18% 8%,rgba(34,224,194,.18),transparent 62%);
}
.hero-grid-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 30% 30%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 30% 30%,#000,transparent 78%);
  opacity:.55;
}
.hero-inner{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--pill);
  background:rgba(34,224,194,.1);border:1px solid rgba(34,224,194,.28);
  color:var(--brand);font-size:12.5px;letter-spacing:.08em;margin-bottom:22px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);display:block;}
.hero h1{margin-bottom:18px;text-shadow:0 2px 30px rgba(0,0,0,.55);}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--tx2);margin-bottom:8px;max-width:520px;}
.hero-line{font-size:15px;color:var(--tx3);margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--tx3);}
.hero-points span{display:inline-flex;align-items:center;gap:7px;}
.hero-points svg{width:15px;height:15px;stroke:var(--brand);stroke-width:2;fill:none;}
.hero-media{position:relative;}
.hero-frame{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid var(--glass-bd);background:var(--glass);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
  aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,16,32,.12),rgba(6,16,32,.72));
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  padding:14px 18px;border-radius:16px;
  background:rgba(9,22,40,.86);
  border:1px solid var(--glass-bd);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:var(--sh);
}
.hero-float b{display:block;font-family:var(--mono);font-size:22px;color:var(--accent);letter-spacing:-.5px;}
.hero-float span{font-size:12.5px;color:var(--tx3);}
.hero-float2{
  position:absolute;right:-10px;top:24px;
  padding:11px 16px;border-radius:14px;
  background:rgba(9,22,40,.86);border:1px solid var(--glass-bd);
  font-size:12.5px;color:var(--tx2);
  box-shadow:var(--sh);
}
.hero-float2 b{color:var(--brand);font-family:var(--mono);}

.anchor-bar{
  position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:54px;
  padding-top:26px;border-top:1px solid var(--line);
}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  color:var(--tx2);font-size:13.5px;transition:all var(--t);
}
.anchor-pill:hover{color:var(--brand);border-color:rgba(34,224,194,.4);background:rgba(34,224,194,.08);transform:translateY(-2px);}
.anchor-pill i{font-family:var(--mono);font-size:11.5px;color:var(--tx3);}

/* ============ 板块通用 ============ */
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(11,26,46,.65),rgba(6,16,32,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:680px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--brand);
  margin-bottom:14px;text-transform:uppercase;
}
.section-head h2{margin-bottom:16px;}
.section-head p{font-size:16px;color:var(--tx2);margin:0;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ 卖点区 ============ */
.feature-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.feature-sticky{position:sticky;top:104px;}
.feature-sticky h2{margin-bottom:16px;}
.feature-sticky p{font-size:15.5px;}
.feature-sticky .mini-list{list-style:none;padding:0;margin:24px 0 0;}
.feature-sticky .mini-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--tx3);
  padding:9px 0;border-top:1px solid var(--line);
}
.feature-sticky .mini-list li:first-child{border-top:0;}
.feature-sticky .mini-list svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;stroke:var(--brand);stroke-width:2;fill:none;}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-grid .f-card:nth-child(2){transform:translateY(28px);}
.feature-grid .f-card:nth-child(4){transform:translateY(28px);}
.f-card{
  position:relative;padding:28px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.f-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.36);background:rgba(255,255,255,.075);}
.feature-grid .f-card:nth-child(2):hover,
.feature-grid .f-card:nth-child(4):hover{transform:translateY(24px);}
.f-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(34,224,194,.1);border:1px solid rgba(34,224,194,.26);margin-bottom:18px;
}
.f-icon svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.7;fill:none;}
.f-card h3{margin-bottom:10px;font-size:18px;}
.f-card p{font-size:14.5px;margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--pill);font-size:12px;letter-spacing:.04em;
  border:1px solid rgba(34,224,194,.3);color:var(--brand);background:rgba(34,224,194,.06);
}
.tag-warm{border-color:rgba(255,196,107,.35);color:var(--accent);background:rgba(255,196,107,.07);}

/* ============ 演示区 ============ */
.demo-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;}
.tabs{
  display:inline-flex;gap:6px;padding:6px;border-radius:var(--pill);
  background:rgba(255,255,255,.045);border:1px solid var(--line);margin-bottom:22px;flex-wrap:wrap;
}
.tab{
  border:0;background:transparent;color:var(--tx2);font-size:14px;
  padding:9px 18px;border-radius:var(--pill);cursor:pointer;transition:all var(--t);
}
.tab:hover{color:var(--tx);}
.tab.is-active{
  background:rgba(34,224,194,.14);color:var(--brand);
  box-shadow:0 0 0 1px rgba(34,224,194,.32) inset;
}
.demo-panel{
  border-radius:var(--r-card);padding:24px;
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}
.demo-panel[hidden]{display:none;}
.demo-cover{
  border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;margin-bottom:22px;background:var(--bg2);
}
.demo-cover img{width:100%;height:100%;object-fit:cover;}
.param-list{list-style:none;padding:0;margin:0;}
.param-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
}
.param-list li:last-child{border-bottom:0;padding-bottom:0;}
.param-list .k{color:var(--tx3);}
.param-list .v{color:var(--tx);font-family:var(--mono);font-size:14px;letter-spacing:-.2px;}
.param-list .v.ok{color:var(--brand);}
.demo-side{
  padding:26px;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(34,224,194,.08),rgba(34,224,194,.02));
  border:1px solid rgba(34,224,194,.2);
}
.demo-side h3{font-size:17px;margin-bottom:16px;}
.demo-side ol{list-style:none;padding:0;margin:0;counter-reset:side;}
.demo-side ol li{
  position:relative;padding-left:34px;margin-bottom:16px;font-size:14.5px;color:var(--tx2);
}
.demo-side ol li::before{
  counter-increment:side;content:counter(side,decimal-leading-zero);
  position:absolute;left:0;top:2px;font-family:var(--mono);font-size:12px;
  color:var(--brand);border:1px solid rgba(34,224,194,.32);border-radius:8px;
  width:24px;height:22px;display:flex;align-items:center;justify-content:center;
}

/* ============ 证据区 ============ */
.proof{position:relative;overflow:hidden;}
.proof::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  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:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);
  mask-image:linear-gradient(180deg,#000,transparent 82%);
}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px;}
.stat-block{
  padding:26px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color var(--t),transform var(--t);
}
.stat-block:hover{border-color:rgba(34,224,194,.34);transform:translateY(-3px);}
.stat-block b{
  display:block;font-family:var(--mono);font-size:34px;line-height:1.1;
  color:var(--brand);letter-spacing:-1px;margin-bottom:8px;
}
.stat-block b em{font-style:normal;font-size:16px;color:var(--tx2);margin-left:4px;letter-spacing:0;}
.stat-block span{font-size:13.5px;color:var(--tx3);}
.quote-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.quote-card{
  display:flex;gap:16px;padding:24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color var(--t),transform var(--t);
}
.quote-card:hover{border-color:rgba(34,224,194,.3);transform:translateY(-3px);}
.avatar{
  width:46px;height:46px;flex:0 0 46px;border-radius:50%;
  background:linear-gradient(140deg,rgba(34,224,194,.4),rgba(255,196,107,.28));
  border:1px solid var(--glass-bd);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#04121B;
}
.quote-card p{font-size:14.5px;color:var(--tx);margin-bottom:10px;}
.quote-card .who{font-size:12.5px;color:var(--tx3);}

/* ============ 方案区 ============ */
.plan-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
.plan-intro h2{margin-bottom:16px;}
.plan-intro p{font-size:15.5px;}
.plan-intro .btn{margin-top:14px;}
.plan-card{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}
.plan-row{
  display:grid;grid-template-columns:2.1fr 1fr 1fr 1.2fr;
  align-items:center;gap:12px;padding:20px 24px;
  border-bottom:1px solid var(--line);font-size:14.5px;color:var(--tx2);
  transition:background var(--t);
}
.plan-row:last-child{border-bottom:0;}
.plan-row:not(.plan-row-head):hover{background:rgba(34,224,194,.05);}
.plan-row-head{
  background:rgba(255,255,255,.03);font-size:12.5px;letter-spacing:.1em;
  color:var(--tx3);text-transform:uppercase;padding-top:16px;padding-bottom:16px;
}
.plan-name{color:var(--tx);font-weight:600;display:flex;align-items:center;gap:10px;}
.plan-name svg{width:18px;height:18px;stroke:var(--brand);stroke-width:1.7;fill:none;flex:0 0 18px;}
.plan-num{font-family:var(--mono);color:var(--accent);font-size:16px;letter-spacing:-.4px;}
.plan-num small{font-size:11.5px;color:var(--tx3);margin-left:3px;font-family:var(--sans);}
.plan-note{
  padding:16px 24px;background:rgba(255,196,107,.06);border-top:1px solid rgba(255,196,107,.18);
  font-size:12.5px;color:var(--tx3);
}
.plan-foot{padding:24px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--line);}
.plan-foot .hint{font-size:13px;color:var(--tx3);}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.36);}
.news-cover{
  display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg2);border-bottom:1px solid var(--line);
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;gap:10px;}
.news-tag{
  align-self:flex-start;font-size:12px;letter-spacing:.05em;
  padding:4px 11px;border-radius:var(--pill);
  border:1px solid rgba(34,224,194,.3);color:var(--brand);background:rgba(34,224,194,.06);
}
.news-title{font-size:16.5px;font-weight:600;line-height:1.5;color:var(--tx);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--brand);}
.news-sum{font-size:14px;color:var(--tx2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.news-meta time{font-size:13px;color:var(--tx3);font-family:var(--mono);}
.news-more{font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.news-more svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.8;fill:none;transition:transform var(--t);}
.news-more:hover svg{transform:translateX(3px);}
.empty-state{
  grid-column:1/-1;min-height:220px;border-radius:var(--r-card);
  border:1px dashed var(--glass-bd);background:rgba(255,255,255,.025);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px;
}
.empty-state svg{width:36px;height:36px;stroke:var(--tx3);stroke-width:1.5;fill:none;}
.empty-state p{margin:0;color:var(--tx3);font-size:14.5px;}
.empty-state a{font-size:14px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(255,255,255,.04);overflow:hidden;transition:background var(--t),border-color var(--t);
}
.faq-item.is-open{background:rgba(255,255,255,.075);border-color:rgba(34,224,194,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
  color:var(--tx);font-size:15.5px;font-weight:600;line-height:1.6;
}
.faq-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;
  background:rgba(34,224,194,.1);border:1px solid rgba(34,224,194,.28);
  color:var(--brand);font-family:var(--mono);font-size:12px;
  display:flex;align-items:center;justify-content:center;
}
.faq-q span.txt{flex:1;}
.faq-arrow{flex:0 0 18px;width:18px;height:18px;stroke:var(--tx3);stroke-width:1.8;fill:none;transition:transform var(--t),stroke var(--t);}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);stroke:var(--brand);}
.faq-a{padding:0 20px 18px 62px;font-size:14.5px;color:var(--tx2);display:none;}
.faq-a p{margin:0;font-size:14.5px;}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 区块 ============ */
.cta-band{position:relative;overflow:hidden;}
.cta-box{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--glass-bd);
  background:linear-gradient(135deg,rgba(34,224,194,.14),rgba(11,26,46,.9) 58%);
  padding:56px 48px;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  box-shadow:var(--sh);
}
.cta-box::before{
  content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,196,107,.22),transparent 68%);
}
.cta-box h2{margin-bottom:14px;position:relative;}
.cta-box p{position:relative;font-size:15.5px;margin-bottom:24px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;}
.cta-form{
  position:relative;border-radius:var(--r-card);padding:26px;
  background:rgba(6,16,32,.55);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.cta-form h3{font-size:16.5px;margin-bottom:6px;}
.cta-form .form-hint{font-size:13px;color:var(--tx3);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--tx2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-in);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--tx);font-size:14.5px;font-family:inherit;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field input::placeholder,.field textarea::placeholder{color:var(--tx3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(34,224,194,.06);
  box-shadow:0 0 0 3px rgba(34,224,194,.16);
}
.field.has-error input{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,196,107,.14);}
.field .err{display:none;font-size:13px;color:var(--accent);margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:12.5px;color:var(--tx3);margin-top:12px;margin-bottom:0;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,26,46,.7),rgba(4,11,22,.95));
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2.4fr 3fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--tx3);max-width:320px;margin-bottom:16px;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;}
.footer-col h4{font-size:14px;color:var(--tx);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--tx3);}
.footer-col a:hover{color:var(--brand);}
.footer-contact{font-size:14px;color:var(--tx3);line-height:2;}
.footer-contact b{color:var(--tx2);font-weight:500;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--tx3);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 22px;border-radius:var(--pill);
  background:linear-gradient(180deg,#2BF0D0,#12B79E);color:#04241F;
  font-size:14.5px;font-weight:600;
  box-shadow:0 0 0 1px rgba(34,224,194,.5),0 16px 36px -12px rgba(34,224,194,.7);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#04241F;background:linear-gradient(180deg,#43F5D8,#17C7AC);transform:translateY(-2px);}
.float-cta svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.8;fill:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .burger{display:flex;}
  .section{padding:72px 0;}
  .hero{padding:110px 0 56px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-media{order:2;}
  .hero-frame{aspect-ratio:16/9;max-height:260px;}
  .hero-float{left:12px;bottom:14px;}
  .hero-float2{display:none;}
  .feature-layout{grid-template-columns:1fr;gap:32px;}
  .feature-sticky{position:static;}
  .feature-grid .f-card:nth-child(2),
  .feature-grid .f-card:nth-child(4){transform:none;}
  .feature-grid .f-card:nth-child(2):hover,
  .feature-grid .f-card:nth-child(4):hover{transform:translateY(-4px);}
  .demo-layout{grid-template-columns:1fr;}
  .plan-layout{grid-template-columns:1fr;gap:28px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-box{grid-template-columns:1fr;padding:40px 28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .float-cta{
    left:16px;right:16px;bottom:0;justify-content:center;
    border-radius:18px 18px 0 0;
    padding:15px 18px calc(15px + env(safe-area-inset-bottom));
    transform:translateY(24px);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
}
@media (max-width:767px){
  .container,.grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .hero{padding:96px 0 48px;}
  .hero-sub{font-size:16px;}
  .feature-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-block b{font-size:27px;}
  .news-grid{grid-template-columns:1fr;}
  .plan-row{grid-template-columns:1fr 1fr;padding:16px 18px;gap:8px;}
  .plan-row-head{display:none;}
  .plan-name{grid-column:1/-1;}
  .plan-num{font-size:15px;}
  .faq-a{padding-left:20px;}
  .cta-box{padding:32px 20px;}
  .anchor-bar{gap:8px;margin-top:40px;}
  .anchor-pill{padding:8px 13px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .quote-card{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --bg:#061020; --bg2:#0B1A2E; --bg3:#0E2039;
  --brand:#22E0C2; --brand-deep:#12B79C; --brand-soft:rgba(34,224,194,.14);
  --accent:#FFC46B; --accent-soft:rgba(255,196,107,.14);
  --tx:#E9F1FB; --tx2:#9FB3CE; --tx3:#6C8299;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.055);
  --glass-bd:rgba(120,225,255,.14);
  --r-lg:18px; --r-md:14px; --r-sm:12px; --r-pill:999px;
  --sh:0 18px 44px -18px rgba(2,8,20,.75);
  --sh-soft:0 12px 30px -18px rgba(2,8,20,.7);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--tx);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px; line-height:1.85; font-weight:400;
  letter-spacing:.01em; overflow-x:hidden;
  background-image:
    radial-gradient(1100px 560px at 12% -8%,rgba(34,224,194,.10),transparent 62%),
    radial-gradient(900px 500px at 96% 4%,rgba(255,196,107,.07),transparent 60%),
    linear-gradient(180deg,#061020 0%,#071427 46%,#050D1B 100%);
  background-attachment:fixed;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0}
h1,h2,h3,h4{color:var(--tx);font-weight:700;letter-spacing:-.4px;line-height:1.3}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease),opacity 180ms var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
::selection{background:rgba(34,224,194,.28)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.grid-lines{position:relative}
.grid-lines::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(120,225,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(120,225,255,.5) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.32;letter-spacing:-.4px}
.section-sub{color:var(--tx2);font-size:15px;max-width:660px;margin-top:12px;line-height:1.8}

/* ================= Header / Nav ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),backdrop-filter 220ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,16,32,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,224,194,.22),rgba(34,224,194,.04));
  border:1px solid var(--glass-bd);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:var(--brand);stroke-width:1.7}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:-.2px}
.logo-text span{font-size:11px;color:var(--tx3);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--tx2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(34,224,194,.2));
  opacity:0;transform:scaleX(.4);transition:all 180ms var(--ease);
}
.nav-link:hover{color:var(--tx);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--tx);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--tx);border-radius:2px;
}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* ================= Buttons ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
  padding:12px 24px;border:1px solid transparent;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  color:#04231F;
  background:linear-gradient(135deg,#3BF0D3,#16C4A8);
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 12px 32px -10px rgba(34,224,194,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(34,224,194,.6),0 18px 40px -12px rgba(34,224,194,.62)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--tx);background:rgba(255,255,255,.04);
  border-color:rgba(34,224,194,.3);
}
.btn-ghost:hover{background:rgba(34,224,194,.1);border-color:rgba(34,224,194,.55);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,a:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-pill);
}

/* ================= Mobile drawer ================= */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(3,8,18,.66);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:all 220ms var(--ease);z-index:70;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:80;
  background:linear-gradient(180deg,#0A1728,#061020);
  border-left:1px solid var(--glass-bd);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  padding:24px 22px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);display:grid;place-items:center;font-size:18px;color:var(--tx2)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--tx2);border:1px solid transparent}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--tx)}
.drawer-nav a.is-active{color:var(--brand);border-color:rgba(34,224,194,.28);background:var(--brand-soft)}
.drawer-divider{height:1px;background:var(--line)}
.drawer-note{font-size:12.5px;color:var(--tx3);line-height:1.8}

/* ================= Article hero ================= */
main{padding-top:68px}
.article-hero{position:relative;padding:44px 0 34px;overflow:hidden}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(120,225,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(120,225,255,.5) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 30% 0%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 30% 0%,#000,transparent 76%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--tx3);position:relative;z-index:2}
.breadcrumb a{color:var(--tx2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(120,225,255,.32)}
.breadcrumb .current{color:var(--tx3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{position:relative;z-index:2;margin-top:22px;max-width:880px}
.article-title{
  font-size:clamp(28px,4vw,46px);line-height:1.26;letter-spacing:-.6px;margin-top:16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px;color:var(--tx3);font-size:13.5px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(120,225,255,.35)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);font-size:12.5px;line-height:1.6;
  color:var(--brand);border:1px solid rgba(34,224,194,.34);background:var(--brand-soft);
  letter-spacing:.04em;
}
.tag-warm{color:var(--accent);border-color:rgba(255,196,107,.32);background:var(--accent-soft)}

/* ================= Article body ================= */
.article-section{padding:8px 0 64px}
.article-cover{
  max-width:960px;margin:0 auto 40px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-bd);box-shadow:var(--sh);position:relative;
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover figcaption{font-size:12.5px;color:var(--tx3);padding:10px 16px;background:rgba(255,255,255,.03);border-top:1px solid var(--line)}
.article-content{max-width:760px;margin:0 auto;color:#C6D7E9;font-size:16.5px;line-height:1.9}
.article-content p{margin:0 0 1.1em}
.article-content h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.4;color:var(--tx);
  margin:2em 0 .6em;padding-left:16px;font-weight:700;letter-spacing:-.4px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:20px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),rgba(34,224,194,.2));
  box-shadow:0 0 14px rgba(34,224,194,.5);
}
.article-content h3{font-size:19px;line-height:1.45;color:var(--tx);margin:1.4em 0 .5em;font-weight:600}
.article-content h4{font-size:16.5px;color:var(--tx);margin:1.2em 0 .4em;font-weight:600}
.article-content ul,.article-content ol{margin:0 0 1.1em;padding-left:1.4em}
.article-content ul li{list-style:none;position:relative;margin-bottom:.5em}
.article-content ul li::before{
  content:"";position:absolute;left:-1.1em;top:.78em;width:6px;height:6px;border-radius:2px;
  background:var(--brand);opacity:.75;
}
.article-content ol{list-style:decimal}
.article-content ol li{margin-bottom:.5em;list-style:decimal}
.article-content ol li::marker{color:var(--brand);font-weight:600}
.article-content blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid rgba(34,224,194,.6);
  background:var(--glass);border-radius:0 var(--r-md) var(--r-md) 0;
  color:#B7C9DD;font-style:italic;
}
.article-content img{border-radius:var(--r-md);margin:1.4em 0 .6em;width:100%}
.article-content figure{margin:1.4em 0}
.article-content figcaption{font-size:12.5px;color:var(--tx3);text-align:center;margin-top:6px}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(34,224,194,.3)}
.article-content a:hover{border-bottom-color:var(--brand);color:#5BF0D8}
.article-content code{
  background:rgba(6,16,32,.85);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:#9FE8DA;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-content pre{
  background:rgba(4,12,24,.92);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.4em 0;
}
.article-content pre code{background:none;border:0;padding:0}
.article-content table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  display:block;overflow-x:auto;border-radius:var(--r-sm);
}
.article-content thead th{background:rgba(34,224,194,.1);color:var(--tx);font-weight:600}
.article-content th,.article-content td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-content strong{color:var(--tx)}

.article-actions{
  max-width:760px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.article-actions .hint{font-size:13.5px;color:var(--tx3)}
.article-actions .btns{display:flex;gap:12px;flex-wrap:wrap}

.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:40px 20px;
  border:1px dashed var(--glass-bd);border-radius:var(--r-lg);background:var(--glass);
}
.empty-state svg{width:34px;height:34px;fill:none;stroke:var(--brand);stroke-width:1.6;opacity:.85}
.empty-state p{color:var(--tx2);font-size:15px}

/* ================= Related ================= */
.related{padding:0 0 88px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-lg);
  box-shadow:var(--sh-soft),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.36);box-shadow:var(--sh)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,16,32,0) 40%,rgba(6,16,32,.72))}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--tx);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;color:var(--tx2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx3)}
.card-foot .arrow{width:26px;height:26px;border-radius:50%;border:1px solid var(--glass-bd);display:grid;place-items:center;transition:all 180ms var(--ease)}
.card-foot .arrow svg{width:14px;height:14px;fill:none;stroke:var(--brand);stroke-width:1.8}
.card:hover .card-foot .arrow{background:var(--brand-soft);border-color:rgba(34,224,194,.5)}

/* ================= Footer ================= */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,26,46,.6),rgba(6,16,32,.9));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{color:var(--tx2);font-size:14px;line-height:1.85;margin-top:18px;max-width:380px}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-col h4{font-size:15px;margin-bottom:16px;letter-spacing:0}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--tx2)}
.footer-col a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--tx2)}
.footer-contact b{color:var(--tx);font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--tx3);
}
.site-footer .logo-text b{font-size:15.5px}

/* ================= Float CTA ================= */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:55;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:#04231F;
  background:linear-gradient(135deg,#3BF0D3,#16C4A8);
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 16px 36px -12px rgba(34,224,194,.6);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all 260ms var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ================= Responsive ================= */
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.82}
  .container{padding:0 20px}
  main{padding-top:60px}
  .header-inner{height:60px}
  .logo-text span{display:none}
  .article-hero{padding:30px 0 22px}
  .article-section{padding-bottom:48px}
  .article-cover{margin-bottom:28px}
  .article-cover img{aspect-ratio:16/10}
  .article-content{font-size:16px;line-height:1.88}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-actions .btns{width:100%}
  .article-actions .btns .btn{flex:1}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .related{padding-bottom:72px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding-top:48px;padding-bottom:calc(96px + env(safe-area-inset-bottom))}
  .float-cta{
    left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom));
    justify-content:center;border-radius:var(--r-pill);
  }
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media (max-width:519px){
  .article-title{font-size:26px}
  .article-meta{gap:10px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#061020;
  --bg2:#0B1A2E;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.08);
  --glass-bd:rgba(120,225,255,.14);
  --brand:#22E0C2;
  --brand-deep:#14a98f;
  --accent:#FFC46B;
  --tx:#E9F1FB;
  --tx2:#9FB3CE;
  --tx3:#6C8299;
  --line:rgba(255,255,255,.08);
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh:0 18px 44px -18px rgba(2,8,20,.75);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --sp:28px;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--tx);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover,a:focus{color:var(--brand);}
p{margin:0 0 1em;}
h1,h2,h3,h4{
  font-family:inherit;
  color:var(--tx);
  margin:0 0 .55em;
  letter-spacing:-.4px;
  line-height:1.3;
  font-weight:700;
}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.2;letter-spacing:-.6px;}
h2{font-size:clamp(23px,3vw,34px);}
h3{font-size:20px;font-weight:600;}
h4{font-size:16px;font-weight:600;letter-spacing:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* 覆盖 Foundation 默认 */
.button{
  background:transparent;color:var(--tx);border:0;border-radius:999px;font-family:inherit;
  font-size:15px;padding:0;margin:0;transition:all var(--t);
}
.button:hover,.button:focus{background:transparent;color:var(--tx);}
.grid-container{max-width:var(--container);padding-left:32px;padding-right:32px;margin:0 auto;}
@media (min-width:1440px){.grid-container{max-width:1320px;}}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-margin-x{margin-left:-14px;margin-right:-14px;}
.grid-margin-x>.cell{padding-left:14px;padding-right:14px;}
.label{border-radius:999px;padding:0;margin:0;font-size:inherit;background:transparent;color:inherit;}
table{border-collapse:collapse;}

/* ---------- 公共容器 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.7;}
.section-head p{color:var(--tx2);margin:0;font-size:16px;}

/* ---------- 玻璃卡 ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:var(--r-lg);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(10px);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
}
.site-header.is-scrolled{
  background:rgba(6,16,32,.72);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;
}
.logo{display:flex;align-items:center;gap:10px;color:var(--tx);}
.logo:hover{color:var(--tx);}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,224,194,.22),rgba(34,224,194,.02));
  border:1px solid rgba(34,224,194,.4);
  color:var(--brand);
  flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:-.3px;}
.logo-text span{font-size:11px;color:var(--tx3);letter-spacing:.08em;}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:14.5px;color:var(--tx2);
  border-radius:999px;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--tx);background:rgba(255,255,255,.05);}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:20px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(34,224,194,.9);
  transition:transform var(--t);
}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:12px 24px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;}
.btn-primary{
  color:#04211c;
  background:linear-gradient(135deg,#3BF0D4,#16b89f);
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 12px 32px -10px rgba(34,224,194,.5);
}
.btn-primary:hover{color:#04211c;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(34,224,194,.6),0 18px 38px -10px rgba(34,224,194,.62);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  color:var(--tx);
  background:rgba(255,255,255,.03);
  border-color:rgba(34,224,194,.3);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(34,224,194,.62);background:rgba(34,224,194,.08);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  color:var(--brand);
  border:1px solid rgba(34,224,194,.36);
  background:rgba(34,224,194,.06);
}
.tag-warm{color:var(--accent);border-color:rgba(255,196,107,.4);background:rgba(255,196,107,.08);}
.tag-muted{color:var(--tx2);border-color:var(--line);background:rgba(255,255,255,.03);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--tx3);margin-bottom:22px;
}
.breadcrumb a{color:var(--tx2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.22);}
.breadcrumb .current{color:var(--tx3);}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:78px 0 84px;background:var(--bg);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,16,32,.55) 0%,rgba(6,16,32,.92) 78%,var(--bg) 100%);
}
.page-hero .grid-tex{
  position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-copy h1{margin-bottom:16px;text-shadow:0 6px 30px rgba(0,0,0,.5);}
.hero-copy .lede{font-size:17px;color:var(--tx2);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-side{padding-left:8px;}
.hero-card{padding:26px 24px;}
.hero-card h3{margin-bottom:14px;font-size:16px;color:var(--tx2);font-weight:600;letter-spacing:.04em;}
.hero-card ul li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--tx2);
}
.hero-card ul li:last-child{border-bottom:0;padding-bottom:0;}
.hero-card ul li b{color:var(--tx);font-weight:600;display:block;font-size:15px;}
.dot{
  width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:9px;
  box-shadow:0 0 0 4px rgba(34,224,194,.13);
}

/* ---------- 主体两栏 ---------- */
.layout-side{align-items:flex-start;}
.sidebar{position:relative;}
.side-sticky{
  position:sticky;top:96px;
  padding:22px 20px;
  border-radius:var(--r-lg);
}
.side-title{
  font-size:12px;letter-spacing:.16em;color:var(--tx3);text-transform:uppercase;
  margin:0 0 14px;
}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--tx2);
  border-left:2px solid transparent;
  transition:all var(--t);
}
.side-nav a:hover{color:var(--tx);background:rgba(255,255,255,.05);}
.side-nav a.is-active{
  color:var(--brand);
  background:rgba(34,224,194,.09);
  border-left-color:var(--brand);
  box-shadow:inset 0 0 0 1px rgba(34,224,194,.18);
}
.side-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.75;color:var(--tx3);
}

/* ---------- 长文阅读流 ---------- */
.flow{display:flex;flex-direction:column;gap:24px;}
.panel{padding:34px 34px 30px;}
.panel h2{
  font-size:clamp(21px,2.3vw,26px);
  position:relative;padding-left:16px;
  margin-bottom:18px;
}
.panel h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:20px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(34,224,194,.6);
}
.panel h3{margin-top:26px;margin-bottom:10px;font-size:17px;}
.panel p{color:var(--tx2);}
.panel p strong{color:var(--tx);font-weight:600;}
.sec-index{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--tx3);
  margin-bottom:10px;
}

/* 通道类型列表 */
.type-list{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.type-item{
  display:flex;gap:16px;
  padding:18px 20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.type-item:hover{transform:translateY(-3px);border-color:rgba(34,224,194,.32);background:rgba(34,224,194,.05);}
.type-item .num{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(34,224,194,.1);border:1px solid rgba(34,224,194,.3);
}
.type-item h3{margin:2px 0 6px;font-size:16.5px;}
.type-item p{margin:0;font-size:14.5px;color:var(--tx2);}

/* 准备卡片 */
.prep-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:6px;}
.prep-card{
  padding:20px 20px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t);
}
.prep-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.3);}
.prep-card svg{width:22px;height:22px;fill:none;stroke:var(--brand);stroke-width:1.6;margin-bottom:12px;}
.prep-card h3{font-size:16px;margin:0 0 8px;}
.prep-card p{font-size:14.5px;margin:0;color:var(--tx2);}

/* 步骤 */
.steps{counter-reset:step;margin-top:8px;}
.steps li{
  position:relative;padding:0 0 22px 52px;
  counter-increment:step;
}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(34,224,194,.09);border:1px solid rgba(34,224,194,.28);
}
.steps li::after{
  content:"";position:absolute;left:16px;top:40px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(34,224,194,.35),rgba(34,224,194,0));
}
.steps li:last-child{padding-bottom:0;}
.steps li:last-child::after{display:none;}
.steps b{display:block;font-size:16px;margin-bottom:4px;color:var(--tx);}
.steps span{font-size:14.5px;color:var(--tx2);}

/* 表格 */
.table-wrap{margin-top:10px;overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--line);}
table.cmp{width:100%;min-width:520px;border-collapse:collapse;font-size:14.5px;}
table.cmp th,table.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);}
table.cmp thead th{
  background:rgba(255,255,255,.05);color:var(--tx);font-weight:600;font-size:14px;letter-spacing:.03em;
}
table.cmp tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp td:first-child{color:var(--tx);font-weight:600;}
table.cmp td{color:var(--tx2);}

/* 异常处理 */
.trouble-list{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.trouble-item{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  border-left:3px solid rgba(255,196,107,.5);
  transition:border-color var(--t),background var(--t);
}
.trouble-item:hover{border-left-color:var(--accent);background:rgba(255,196,107,.05);}
.trouble-item b{color:var(--tx);font-size:15px;}
.trouble-item span{color:var(--tx2);font-size:14.5px;}

/* 图文块 */
.figure{margin:26px 0 6px;}
.figure img{width:100%;border-radius:var(--r-md);border:1px solid var(--line);aspect-ratio:16/9;object-fit:cover;}
.figure figcaption{font-size:13px;color:var(--tx3);margin-top:10px;}

/* ---------- 运行概况 ---------- */
.stats-wrap{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:6px;
}
.stat{
  padding:24px 22px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-bd);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform var(--t),border-color var(--t);
}
.stat:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.36);}
.stat b{
  display:block;font-size:clamp(28px,3.4vw,40px);line-height:1.1;font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.6px;
}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--tx2);}

/* ---------- 相关阅读 ---------- */
.read-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.read-head h2{margin:0;}
.read-head a{font-size:14.5px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.read-head a:hover{color:#7ff6e4;}
.read-scroll{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.read-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);overflow:hidden;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t);
}
.read-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.34);}
.read-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg2);}
.read-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms cubic-bezier(.2,.7,.3,1);}
.read-card:hover .thumb img{transform:scale(1.03);}
.read-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.read-card h3{font-size:17px;margin:0;line-height:1.5;}
.read-card h3 a{color:var(--tx);}
.read-card h3 a:hover{color:var(--brand);}
.read-card p{margin:0;font-size:14.5px;color:var(--tx2);flex:1;}
.read-card .meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx3);}
.read-card .meta svg{width:16px;height:16px;fill:none;stroke:var(--brand);stroke-width:1.7;}

/* ---------- CTA / 表单 ---------- */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:22px;
  padding:52px;
  background:linear-gradient(140deg,rgba(34,224,194,.13),rgba(11,26,46,.7) 55%);
  border:1px solid var(--glass-bd);
  box-shadow:var(--sh);
}
.cta-block::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,194,.24),transparent 68%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.cta-copy h2{margin-bottom:14px;}
.cta-copy p{color:var(--tx2);max-width:460px;}
.cta-copy ul{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-copy ul li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--tx2);}
.form-card{
  padding:26px 24px;
  border-radius:var(--r-lg);
  background:rgba(6,16,32,.62);
  border:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.form-row label{font-size:13.5px;color:var(--tx2);}
.form-row input,.form-row select,.form-row textarea{
  width:100%;
  padding:12px 14px;
  font-size:14.5px;font-family:inherit;color:var(--tx);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.form-row textarea{min-height:96px;resize:vertical;line-height:1.7;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--tx3);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(34,224,194,.05);
  box-shadow:0 0 0 3px rgba(34,224,194,.16);
}
.form-note{font-size:13px;color:var(--tx3);margin:12px 0 0;}
.form-tip{
  display:none;margin-top:14px;padding:11px 14px;border-radius:var(--r-sm);font-size:13.5px;
  color:var(--brand);background:rgba(34,224,194,.08);border:1px solid rgba(34,224,194,.3);
}
.form-tip.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,26,46,.6),rgba(6,16,32,.98));
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;
}
.footer-brand p{font-size:14.5px;color:var(--tx2);margin:16px 0 18px;max-width:340px;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;}
.footer-col h4{font-size:14px;color:var(--tx);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li a{font-size:14.5px;color:var(--tx2);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--tx2);}
.footer-contact b{color:var(--tx);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--tx3);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#04211c;
  background:linear-gradient(135deg,#3BF0D4,#16b89f);
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 14px 34px -10px rgba(34,224,194,.6);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--t),transform var(--t);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{color:#04211c;transform:translateY(-2px);}
.float-cta svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;}

/* ---------- 移动抽屉 ---------- */
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  cursor:pointer;color:var(--tx);place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(2,8,18,.6);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:82vw;max-width:340px;
  background:#08182B;
  border-left:1px solid var(--line);
  padding:26px 22px;
  transform:translateX(102%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--tx);cursor:pointer;font-size:18px;line-height:1;
}
.drawer a.d-link{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--tx2);
  border:1px solid transparent;
}
.drawer a.d-link:hover{color:var(--tx);background:rgba(255,255,255,.05);}
.drawer a.d-link.is-active{color:var(--brand);background:rgba(34,224,194,.1);border-color:rgba(34,224,194,.3);}
.drawer .divider{height:1px;background:var(--line);margin:14px 0;}
.drawer .d-note{font-size:13px;color:var(--tx3);line-height:1.7;}
.drawer .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .header-actions .btn{display:none;}
  .hero-side{padding-left:0;padding-top:26px;}
  .side-sticky{position:static;}
  .sidebar{margin-bottom:22px;}
  .side-nav{flex-direction:row;flex-wrap:wrap;}
  .side-nav a{border-left:0;border-bottom:2px solid transparent;border-radius:8px 8px 0 0;}
  .side-nav a.is-active{border-left:0;border-bottom-color:var(--brand);}
  .side-note{display:none;}
  .prep-grid{grid-template-columns:1fr 1fr;}
  .stats-wrap{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .header-inner{height:60px;}
  .logo-text span{display:none;}
  .page-hero{padding:52px 0 60px;}
  .panel{padding:24px 20px;}
  .prep-grid{grid-template-columns:1fr;}
  .trouble-item{grid-template-columns:1fr;gap:6px;}
  .read-scroll{
    display:flex;gap:16px;overflow-x:auto;padding-bottom:10px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    mask-image:linear-gradient(90deg,#000 88%,transparent);
  }
  .read-card{flex:0 0 84%;scroll-snap-align:start;}
  .cta-block{padding:30px 22px;border-radius:18px;}
  .stats-wrap{grid-template-columns:1fr 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-bottom:78px;}
  .float-cta{
    left:16px;right:16px;bottom:0;
    justify-content:center;border-radius:16px 16px 0 0;
    padding:14px 20px calc(14px + env(safe-area-inset-bottom));
  }
}
@media (max-width:520px){
  .hero-cta .btn{width:100%;}
  .stat b{font-size:26px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root{
  --bg:#061020;
  --bg2:#0B1A2E;
  --bg3:#08182C;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --glass-bd:rgba(120,225,255,.14);
  --brand:#22E0C2;
  --brand-dark:#12B79E;
  --accent:#FFC46B;
  --tx:#E9F1FB;
  --tx2:#9FB3CE;
  --tx3:#6C8299;
  --line:rgba(255,255,255,.08);
  --sh:0 18px 44px -18px rgba(2,8,20,.75);
  --sh-soft:0 10px 30px -16px rgba(2,8,20,.7);
  --r:18px;
  --r-sm:14px;
  --pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color 180ms var(--ease),opacity 180ms var(--ease)}
a:hover{color:#5ff0d8}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4,h5,h6{
  color:var(--tx);
  font-family:inherit;
  font-weight:700;
  letter-spacing:-.4px;
  line-height:1.3;
  margin:0 0 .6em;
}
h1{font-size:clamp(32px,5vw,56px);line-height:1.2;letter-spacing:-.6px}
h2{font-size:clamp(24px,3.2vw,38px);letter-spacing:-.5px}
h3{font-size:20px;font-weight:600;line-height:1.4;letter-spacing:-.3px}
::selection{background:rgba(34,224,194,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ===== Foundation 覆盖 ===== */
.grid-container{padding-left:32px;padding-right:32px;max-width:var(--maxw)}
.grid-x{display:flex;flex-flow:row wrap}
.grid-margin-x{margin-left:-14px;margin-right:-14px}
.grid-margin-x>.cell{padding-left:14px;padding-right:14px}
.cell{min-width:0}
.button,.button:focus{font-family:inherit;background:none;border:0;border-radius:var(--pill);color:inherit;padding:0;margin:0}
.accordion{background:transparent;border-radius:0;margin:0;padding:0}
.accordion-title,.accordion-content{border:0;background:transparent;color:inherit;padding:0;font-size:inherit;line-height:inherit}
[data-accordion]>.accordion-item+.accordion-item,.accordion-item{border-top:0}
blockquote{border:0;padding:0;margin:0}
table{border-collapse:collapse;background:transparent}
hr{border:0;border-top:1px solid var(--line);margin:0}

/* ===== 容器与板块 ===== */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,26,46,.9),rgba(6,16,32,.4))}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--tx2);font-size:16.5px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--brand))}

/* ===== 头部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;
  transition:background 220ms var(--ease),backdrop-filter 220ms var(--ease),border-color 220ms var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,16,32,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--tx)}
.logo:hover{color:var(--tx)}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,224,194,.22),rgba(34,224,194,.04));
  border:1px solid rgba(34,224,194,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:var(--brand);stroke-width:1.6}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:700;letter-spacing:-.2px}
.logo-text span{font-size:11.5px;color:var(--tx3);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 15px;border-radius:var(--pill);
  color:var(--tx2);font-size:15px;white-space:nowrap;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-link:hover{color:var(--tx);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--brand);background:rgba(34,224,194,.09)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:1px;
  width:22px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(34,224,194,.8);
}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--glass-bd);background:var(--glass);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--tx);stroke-width:1.7;fill:none}
.nav-toggle .icon-close{display:none}
.nav-toggle.is-open .icon-close{display:block}
.nav-toggle.is-open .icon-menu{display:none}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,8,18,.62);
  opacity:0;pointer-events:none;transition:opacity 220ms var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;z-index:80;
  background:linear-gradient(180deg,#0A1A2E,#071222);
  border-left:1px solid var(--glass-bd);
  transform:translateX(102%);
  transition:transform 280ms var(--ease);
  padding:22px 22px 34px;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:13px;color:var(--tx3);letter-spacing:.12em;text-transform:uppercase}
.drawer-link{
  display:block;padding:14px 14px;border-radius:14px;
  color:var(--tx2);font-size:16px;border:1px solid transparent;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--tx)}
.drawer-link.is-active{color:var(--brand);background:rgba(34,224,194,.09);border-color:rgba(34,224,194,.22)}
.drawer-divider{height:1px;background:var(--line);margin:14px 0}
.drawer-note{font-size:13px;color:var(--tx3);line-height:1.8}
.drawer-cta{margin-top:6px}
body.no-scroll{overflow:hidden}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.btn svg{width:18px;height:18px;stroke-width:1.7;fill:none;stroke:currentColor}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,#3BF0D3,#12B79E);
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 12px 32px -10px rgba(34,224,194,.5);
}
.btn-primary:hover{color:#04140F;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(34,224,194,.6),0 18px 40px -12px rgba(34,224,194,.62)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  color:var(--tx);background:rgba(255,255,255,.03);
  border-color:rgba(34,224,194,.3);
}
.btn-ghost:hover{color:var(--tx);background:rgba(34,224,194,.1);border-color:rgba(34,224,194,.55);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:132px 0 84px;
  background:
    radial-gradient(900px 460px at 78% 12%,rgba(34,224,194,.13),transparent 62%),
    linear-gradient(180deg,rgba(6,16,32,.86),rgba(6,16,32,.96)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
}
.hero .grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--tx3);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--tx2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--tx3)}
.hero-grid{row-gap:44px}
.hero h1{margin-bottom:16px}
.hero h1 .hl{color:var(--brand)}
.hero-sub{
  font-size:18px;color:var(--tx);font-weight:600;margin-bottom:14px;
  letter-spacing:-.1px;
}
.hero-text{color:var(--tx2);font-size:16.5px;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--tx2);
  padding:8px 14px;border-radius:var(--pill);
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-points svg{width:15px;height:15px;stroke:var(--brand);stroke-width:2;fill:none}

.hero-media{
  position:relative;margin:0;border-radius:22px;overflow:hidden;
  border:1px solid var(--glass-bd);background:var(--glass);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-media figcaption{
  padding:14px 18px;font-size:13.5px;color:var(--tx3);
  border-top:1px solid var(--line);background:rgba(6,16,32,.5);
}
.float-card{
  position:absolute;right:16px;bottom:64px;
  background:rgba(8,24,44,.92);border:1px solid var(--glass-bd);
  border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--sh-soft);
  backdrop-filter:blur(8px);
}
.float-card b{display:block;font-family:var(--mono);font-size:22px;color:var(--accent);line-height:1.2}
.float-card span{font-size:12.5px;color:var(--tx3)}

/* ===== 玻璃面板通用 ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:var(--r);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}

/* ===== 防线卡片（错落网格） ===== */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{
  padding:28px 26px 26px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--sh-soft),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease);
}
.feature-card:nth-child(2){transform:translateY(18px)}
.feature-card:nth-child(4){transform:translateY(18px)}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.34);background:var(--glass-strong)}
.feature-card:nth-child(2):hover,.feature-card:nth-child(4):hover{transform:translateY(14px)}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(34,224,194,.18),rgba(34,224,194,.02));
  border:1px solid rgba(34,224,194,.28);
}
.feature-icon svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.6;fill:none}
.feature-card h3{margin-bottom:10px}
.feature-card p{color:var(--tx2);font-size:15.5px;margin-bottom:16px}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;
  padding:5px 11px;border-radius:var(--pill);
  color:var(--brand);background:rgba(34,224,194,.07);
  border:1px solid rgba(34,224,194,.32);
}
.tag-warm{color:var(--accent);background:rgba(255,196,107,.08);border-color:rgba(255,196,107,.36)}

/* ===== 步骤清单 ===== */
.steps-wrap{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.steps-aside{position:sticky;top:104px}
.steps-aside h2{margin-bottom:16px}
.steps-aside p{color:var(--tx2);font-size:15.5px}
.steps-aside .tag{margin-top:8px}
.steps{display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:60px 1fr;gap:20px;align-items:start;
  padding:22px 24px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:border-color 180ms var(--ease),background 180ms var(--ease),transform 180ms var(--ease);
}
.step:hover{border-color:rgba(34,224,194,.3);background:rgba(34,224,194,.05);transform:translateX(4px)}
.step-num{
  font-family:var(--mono);font-size:24px;font-weight:600;color:var(--brand);
  line-height:1;padding-top:2px;letter-spacing:-1px;
}
.step h3{margin-bottom:6px;font-size:17px}
.step p{color:var(--tx2);font-size:15px;margin:0}

/* ===== 场景对照 ===== */
.compare{
  padding:8px 30px 18px;border-radius:var(--r);
  background:linear-gradient(180deg,rgba(11,26,46,.8),rgba(6,16,32,.5));
  border:1px solid var(--glass-bd);
  box-shadow:var(--sh);
}
.compare-head{
  display:grid;grid-template-columns:1fr 1.4fr;gap:24px;
  padding:22px 0 16px;font-size:13px;letter-spacing:.12em;color:var(--tx3);
  border-bottom:1px solid var(--line);
}
.compare-row{
  display:grid;grid-template-columns:1fr 1.4fr;gap:24px;
  padding:20px 0;border-bottom:1px solid var(--line);align-items:start;
}
.compare-row:last-child{border-bottom:0}
.compare-row .scene{font-weight:600;font-size:16px;color:var(--tx)}
.compare-row .act{color:var(--tx2);font-size:15.5px}
.compare-row .act strong{color:var(--brand);font-weight:600}

/* ===== 风险提示 ===== */
.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.risk-card{
  padding:22px 22px 20px;border-radius:var(--r-sm);
  background:rgba(255,196,107,.05);
  border:1px solid rgba(255,196,107,.28);
  border-left:3px solid var(--accent);
}
.risk-card h3{font-size:16.5px;margin-bottom:8px}
.risk-card p{color:var(--tx2);font-size:15px;margin:0}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:1fr;gap:28px;max-width:900px;margin:0 auto}
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  overflow:hidden;
  transition:background 180ms var(--ease),border-color 180ms var(--ease);
}
.faq-item.is-open{background:rgba(34,224,194,.07);border-color:rgba(34,224,194,.3)}
.faq-item .accordion-title{
  display:flex;align-items:center;gap:16px;
  width:100%;padding:18px 22px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--tx);
}
.faq-badge{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;color:var(--brand);
  background:rgba(34,224,194,.1);border:1px solid rgba(34,224,194,.28);
}
.faq-item.is-open .faq-badge{background:rgba(34,224,194,.2)}
.faq-arrow{margin-left:auto;flex:0 0 18px;transition:transform 200ms var(--ease)}
.faq-arrow svg{width:18px;height:18px;stroke:var(--tx3);stroke-width:1.8;fill:none;display:block}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-item.is-open .faq-arrow svg{stroke:var(--brand)}
.faq-item .accordion-content{
  display:none;padding:0 22px 20px 66px;
  color:var(--tx2);font-size:15.5px;
}
.faq-item.is-open .accordion-content{display:block}
.faq-item .accordion-content p:last-child{margin-bottom:0}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:56px 48px;
  background:
    radial-gradient(700px 320px at 82% 20%,rgba(34,224,194,.2),transparent 68%),
    linear-gradient(135deg,#0C2340,#08182C 62%);
  border:1px solid var(--glass-bd);
  box-shadow:var(--sh);
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;opacity:.4;
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{margin-bottom:12px;font-size:clamp(22px,2.6vw,32px)}
.cta-band p{color:var(--tx2);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ===== 相关阅读横滑 ===== */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.rail-head h2{margin:0}
.rail-head a{font-size:14.5px;color:var(--tx2);display:inline-flex;align-items:center;gap:6px}
.rail-head a:hover{color:var(--brand)}
.rail{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rail-card{
  display:flex;flex-direction:column;
  border-radius:var(--r);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--sh-soft);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.36)}
.rail-card .thumb{overflow:hidden;border-radius:var(--r) var(--r) 0 0}
.rail-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms var(--ease)}
.rail-card:hover .thumb img{transform:scale(1.03)}
.rail-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-card h3{font-size:17px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card p{color:var(--tx2);font-size:14.5px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx3)}
.rail-card .meta svg{width:16px;height:16px;stroke:var(--brand);stroke-width:1.8;fill:none}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:55;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:var(--pill);
  font-size:14.5px;font-weight:600;color:#04140F;
  background:linear-gradient(135deg,#3BF0D3,#12B79E);
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 14px 32px -10px rgba(34,224,194,.55);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity 220ms var(--ease),transform 220ms var(--ease);
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{color:#04140F;filter:brightness(1.06)}
.float-cta svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.9;fill:none}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:0;padding:72px 0 30px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,22,40,.85),rgba(5,12,24,.95));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{color:var(--tx2);font-size:15px;max-width:340px;margin-bottom:18px}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--tx);font-weight:600}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{color:var(--tx2);font-size:14.5px}
.footer-col ul a:hover{color:var(--brand)}
.footer-contact{display:grid;gap:11px;color:var(--tx2);font-size:14.5px}
.footer-contact b{color:var(--tx);font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--tx3);
}

/* ===== 响应式 ===== */
@media (min-width:1440px){
  .container,.grid-container{max-width:1320px}
}
@media (max-width:1023px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero{padding:118px 0 68px}
  .steps-wrap{grid-template-columns:1fr;gap:28px}
  .steps-aside{position:static}
  .risk-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rail{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:639px){
  .container,.grid-container{padding-left:20px;padding-right:20px}
  .grid-margin-x{margin-left:-9px;margin-right:-9px}
  .grid-margin-x>.cell{padding-left:9px;padding-right:9px}
  .section{padding:56px 0}
  .hero{padding:104px 0 56px}
  .hero-sub{font-size:16.5px}
  .hero-media img{aspect-ratio:16/10}
  .float-card{bottom:56px;right:12px;padding:10px 13px}
  .float-card b{font-size:19px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card:nth-child(2),.feature-card:nth-child(4){transform:none}
  .feature-card:nth-child(2):hover,.feature-card:nth-child(4):hover{transform:translateY(-4px)}
  .risk-grid{grid-template-columns:1fr}
  .compare{padding:6px 18px 12px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .step{grid-template-columns:44px 1fr;gap:14px;padding:18px 16px}
  .step-num{font-size:20px}
  .faq-item .accordion-content{padding:0 18px 18px 18px}
  .faq-item .accordion-title{padding:16px 18px;font-size:15.5px;gap:12px}
  .cta-band{padding:34px 22px;border-radius:20px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .rail{
    display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .rail-card{flex:0 0 84%;scroll-snap-align:start}
  .rail::after{content:"";flex:0 0 4px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-cta{
    left:16px;right:16px;bottom:0;justify-content:center;
    border-radius:16px 16px 0 0;padding:15px 20px;
    padding-bottom:calc(15px + env(safe-area-inset-bottom));
  }
  .site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .rail{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --bg:#061020;
  --bg2:#0B1A2E;
  --bg3:#0E2138;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.08);
  --line-glass:rgba(120,225,255,.14);
  --brand:#22E0C2;
  --brand-2:#12B79E;
  --accent:#FFC46B;
  --tx:#E9F1FB;
  --tx2:#9FB3CE;
  --tx3:#6C8299;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 18px 44px -18px rgba(2,8,20,.75);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms;
  --container:1240px;
  --nav-h:68px;
  --mono:'SFMono-Regular',ui-monospace,Menlo,Consolas,'Courier New',monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--nav-h);
  background:var(--bg);
  color:var(--tx);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0) 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0) 70%);
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--brand);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:#7DF3E0;}
p{margin:0 0 1em;color:var(--tx2);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--tx);font-weight:700;letter-spacing:-.4px;line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container,.grid-container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;margin-right:auto;
  padding-left:32px;padding-right:32px;
}
@media (min-width:1440px){.container,.grid-container{max-width:1320px;}}
@media (max-width:640px){.container,.grid-container{padding-left:20px;padding-right:20px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.2px;cursor:pointer;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2BF0D0,#12B79E);
  color:#03211C;
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 12px 32px -10px rgba(34,224,194,.5);
}
.btn-primary:hover{color:#03211C;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(34,224,194,.6),0 18px 38px -12px rgba(34,224,194,.62);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(34,224,194,.32);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(34,224,194,.09);border-color:rgba(34,224,194,.6);color:#8FF6E6;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.button{background-color:var(--brand);color:#03211C;border-radius:var(--r-pill);}
.button:hover{background-color:#2BF0D0;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),backdrop-filter var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,16,32,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--tx);}
.logo:hover{color:var(--tx);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(34,224,194,.22),rgba(34,224,194,.05));
  border:1px solid var(--line-glass);
  color:var(--brand);
}
.logo-mark svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:16.5px;font-weight:700;letter-spacing:-.2px;}
.logo-text span{font-size:11.5px;color:var(--tx3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--tx2);
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-link:hover{color:var(--tx);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--brand);background:rgba(34,224,194,.09);}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  box-shadow:0 0 10px rgba(34,224,194,.9);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--tx);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(2,8,18,.66);
  backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity var(--t) var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:82vw;max-width:340px;
  background:linear-gradient(180deg,#0A1729,#061020);
  border-left:1px solid var(--line-glass);
  padding:26px 22px calc(26px + env(safe-area-inset-bottom));
  transform:translateX(102%);
  transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-brand{display:flex;align-items:center;gap:10px;padding-bottom:16px;margin-bottom:8px;border-bottom:1px solid var(--line);}
.drawer-brand b{font-size:15.5px;}
.drawer-link{
  display:block;padding:13px 14px;border-radius:var(--r-sm);
  color:var(--tx2);font-size:15px;border:1px solid transparent;
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--tx);}
.drawer-link.is-active{background:rgba(34,224,194,.1);color:var(--brand);border-color:rgba(34,224,194,.28);}
.drawer-cta{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.drawer-note{font-size:12.5px;color:var(--tx3);line-height:1.7;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:26px;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--tx2);flex-wrap:wrap;}
.breadcrumb a{color:var(--tx2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--tx3);}
.breadcrumb .current{color:var(--tx3);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;margin-top:20px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(6,16,32,.96) 0%,rgba(6,16,32,.86) 45%,rgba(6,16,32,.7) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
  opacity:.9;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 320px at 82% 18%,rgba(34,224,194,.16),transparent 68%);
}
.hero-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:76px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(34,224,194,.09);border:1px solid rgba(34,224,194,.3);
  color:var(--brand);font-size:12.5px;letter-spacing:.1em;
  margin:0 0 18px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.18;
  letter-spacing:-.6px;
  margin:0 0 16px;
  max-width:16em;
}
.hero-sub{font-size:17px;color:var(--tx2);max-width:34em;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat{
  min-width:132px;flex:1 1 132px;
  padding:15px 18px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line-glass);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.stat b{display:block;font-family:var(--mono);font-size:26px;color:var(--brand);letter-spacing:-.5px;line-height:1.2;}
.stat span{font-size:13px;color:var(--tx2);}
.hero-figure{position:relative;}
.glass-frame{
  border-radius:var(--r-lg);
  padding:10px;
  background:var(--glass);
  border:1px solid var(--line-glass);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}
.glass-frame img{width:100%;height:auto;border-radius:var(--r-md);}
.float-chip{
  position:absolute;left:0;bottom:-18px;
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;border-radius:var(--r-pill);
  background:rgba(11,26,46,.92);border:1px solid var(--line-glass);
  box-shadow:var(--sh);font-size:13px;color:var(--tx2);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(34,224,194,.9);flex:0 0 8px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;position:relative;z-index:1;}
.section.tight{padding:72px 0;}
.section-head{max-width:44em;margin-bottom:44px;}
.section-head h2{font-size:clamp(23px,3vw,36px);letter-spacing:-.5px;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--tx2);margin:0;}
.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;margin:0 0 12px;}

/* ---------- 栅格微调 ---------- */
.grid-x.grid-margin-x{margin-left:-14px;margin-right:-14px;}
.grid-x.grid-margin-x>.cell{margin-left:14px;margin-right:14px;}
@media (max-width:640px){
  .grid-x.grid-margin-x{margin-left:-9px;margin-right:-9px;}
  .grid-x.grid-margin-x>.cell{margin-left:9px;margin-right:9px;}
}

/* ---------- 三步自查 ---------- */
.feature-band{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:28px;align-items:center;
  padding:24px;border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-glass);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}
.feature-band figure{margin:0;overflow:hidden;border-radius:var(--r-md);}
.feature-band img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease);}
.feature-band:hover img{transform:scale(1.03);}
.feature-band h3{font-size:22px;margin-bottom:10px;}
.feature-band p{margin-bottom:14px;}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;
  background:rgba(34,224,194,.08);border:1px solid rgba(34,224,194,.3);color:var(--brand);
}
.tag-warm{background:rgba(255,196,107,.1);border-color:rgba(255,196,107,.36);color:var(--accent);}

.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px;}
.step-card{
  padding:24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.34);box-shadow:var(--sh);}
.step-num{
  font-family:var(--mono);font-size:13px;color:var(--accent);
  letter-spacing:.14em;margin-bottom:12px;display:block;
}
.step-card h3{font-size:17.5px;margin-bottom:8px;}
.step-card p{font-size:14.5px;margin:0;}

/* ---------- FAQ 布局 ---------- */
.faq-layout .cell{padding:0;}
.group-block{margin-bottom:40px;}
.group-head{
  display:flex;align-items:center;gap:12px;
  padding-bottom:14px;margin-bottom:16px;
  border-bottom:1px solid var(--line);
}
.group-head h3{font-size:19px;margin:0;letter-spacing:-.3px;}
.count-badge{
  font-family:var(--mono);font-size:12px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(255,196,107,.12);border:1px solid rgba(255,196,107,.36);color:var(--accent);
}
.acc-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.035);
  margin-bottom:12px;overflow:hidden;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.acc-item.is-open{background:rgba(255,255,255,.075);border-color:rgba(34,224,194,.32);}
.acc-head{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:17px 20px;background:none;border:0;cursor:pointer;color:var(--tx);
  font-size:16px;font-weight:600;line-height:1.55;
}
.acc-num{
  font-family:var(--mono);font-size:12.5px;color:var(--tx3);
  flex:0 0 auto;padding-top:2px;
}
.acc-item.is-open .acc-num{color:var(--brand);}
.acc-title{flex:1;}
.acc-icon{
  flex:0 0 22px;width:22px;height:22px;color:var(--tx3);
  transition:transform var(--t) var(--ease),color var(--t) var(--ease);
}
.acc-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;}
.acc-item.is-open .acc-icon{transform:rotate(180deg);color:var(--brand);}
.acc-body{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
.acc-body-inner{padding:0 20px 20px 56px;}
.acc-body-inner p{margin:0;font-size:15px;color:var(--tx2);}
@media (max-width:520px){
  .acc-body-inner{padding:0 18px 18px 18px;}
  .acc-head{padding:15px 16px;font-size:15.2px;}
}

/* ---------- 侧栏速查 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;}
.side-card{
  padding:22px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  border:1px solid var(--line-glass);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card h3{font-size:17px;margin-bottom:16px;}
.side-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-key{color:var(--tx);flex:0 0 auto;}
.side-val{color:var(--tx2);text-align:right;}
.side-links li{margin-bottom:10px;}
.side-links a{font-size:14.5px;display:inline-flex;align-items:center;gap:7px;}
.side-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.8;}
.side-note{font-size:13.5px;color:var(--tx3);line-height:1.75;margin:0;}
.sticky-side{position:sticky;top:calc(var(--nav-h) + 22px);}

/* ---------- 相关阅读 ---------- */
.strip-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.mini-card{
  display:block;border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);color:inherit;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(34,224,194,.34);box-shadow:var(--sh);color:inherit;}
.mini-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg) var(--r-lg) 0 0;transition:transform 420ms var(--ease);}
.mini-card:hover img{transform:scale(1.03);}
.mini-body{padding:18px 20px 20px;}
.mini-body h4{font-size:16.5px;margin:10px 0 8px;line-height:1.5;}
.mini-body p{font-size:14px;margin:0 0 12px;color:var(--tx2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--tx3);}
@media (max-width:900px){
  .strip-track{
    grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:82%;
    overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;
    -webkit-overflow-scrolling:touch;
  }
  .strip-track>*{scroll-snap-align:start;}
}

/* ---------- CTA 与表单 ---------- */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:40px;
  padding:44px;border-radius:24px;
  background:linear-gradient(140deg,rgba(34,224,194,.12),rgba(11,26,46,.9) 55%);
  border:1px solid var(--line-glass);
  box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.07);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.cta-points li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:14.8px;color:var(--tx2);
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.68em;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),rgba(34,224,194,.35));
}
.cta-form{display:flex;flex-direction:column;gap:8px;}
.cta-form label{font-size:13.5px;color:var(--tx2);margin-top:6px;}
.cta-form select,.cta-form textarea{
  width:100%;padding:12px 14px;
  background:rgba(4,14,28,.75);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--tx);font-size:15px;font-family:inherit;line-height:1.6;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.cta-form textarea{resize:vertical;min-height:110px;}
.cta-form select:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,224,194,.18);
}
.cta-form .btn{margin-top:14px;width:100%;}
.form-hint{font-size:13px;color:var(--accent);min-height:20px;margin:4px 0 0;}
@media (max-width:1023px){
  .cta-panel{grid-template-columns:1fr;padding:32px;}
}

/* ---------- 漂浮按钮 ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:55;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 22px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2BF0D0,#12B79E);color:#03211C;
  font-size:14.5px;font-weight:600;
  box-shadow:0 0 0 1px rgba(34,224,194,.45),0 14px 34px -12px rgba(34,224,194,.6);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{color:#03211C;filter:brightness(1.06);}
.float-cta svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;}
@media (max-width:1023px){
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;padding:15px 20px calc(15px + env(safe-area-inset-bottom));
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  body{padding-bottom:64px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:40px;
  padding-top:64px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,26,46,.7),rgba(6,16,32,.98));
  padding-bottom:calc(36px + env(safe-area-inset-bottom));
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand p{font-size:14.5px;color:var(--tx2);margin:16px 0 18px;max-width:30em;}
.footer-kw{display:flex;flex-wrap:wrap;gap:8px;}
.footer-col h4{font-size:14.5px;color:var(--tx);margin-bottom:16px;letter-spacing:0;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--tx2);}
.footer-col a:hover{color:var(--brand);}
.footer-contact{font-size:14px;color:var(--tx2);line-height:1.9;}
.footer-contact b{color:var(--tx);font-weight:600;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--tx3);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section.tight{padding:48px 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- 响应式主体 ---------- */
@media (max-width:1023px){
  .feature-band{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .sticky-side{position:static;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .hero-figure{margin-top:34px;}
  .hero-inner{padding-top:46px;padding-bottom:58px;}
}
@media (max-width:640px){
  :root{--nav-h:60px;}
  .logo-text span{display:none;}
  .header-actions .btn{display:none;}
  .hero-figure img{max-height:220px;object-fit:cover;}
  .hero-stats{gap:10px;}
  .stat{min-width:calc(50% - 5px);flex:1 1 calc(50% - 5px);}
  .cta-panel{padding:24px;border-radius:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}