/* roulang page: index */
:root{
  --bg-900:#05090A;
  --bg-800:#0A1113;
  --bg-700:#101A1D;
  --line:rgba(255,255,255,.08);
  --primary:#00E58F;
  --primary-deep:#0BBF7A;
  --accent:#FF8A2B;
  --accent-soft:#FFD166;
  --text-1:#EAF2F1;
  --text-2:#9FB0AF;
  --text-3:#6C7C7C;
  --glass-bg:rgba(16,26,29,.55);
  --glass-border:rgba(255,255,255,.10);
  --success:#24D07A;
  --warning:#FFB020;
  --danger:#FF5A5A;
  --r-section:20px;
  --r-card:16px;
  --r-img:14px;
  --r-btn:11px;
  --sh-1:0 1px 2px rgba(0,0,0,.35);
  --sh-2:0 4px 16px rgba(0,0,0,.40);
  --sh-3:0 8px 30px rgba(0,0,0,.45);
  --font-sans:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none;appearance:none;}
button{cursor:pointer;}
table{border-collapse:collapse;width:100%;}
h1,h2,h3,h4{margin:0;letter-spacing:0;line-height:1.28;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-800);}
::-webkit-scrollbar-thumb{background:rgba(0,229,143,.28);border-radius:8px;border:2px solid var(--bg-800);}
::-webkit-scrollbar-thumb:hover{background:rgba(0,229,143,.5);}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:640px){.container-x{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px;}}
.narrow{max-width:800px;margin:0 auto;}

section[id],div[id]{scroll-margin-top:90px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,9,10,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-side{display:none;align-items:center;gap:4px;flex:1;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;background:var(--primary);
  border-radius:2px;transition:left .22s ease,right .22s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{left:12px;right:12px;}
.nav-link.active{color:var(--text-1);}
.brand{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text-1);
  white-space:nowrap;letter-spacing:0;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,rgba(0,229,143,.9),rgba(11,191,122,.55));
  color:#04120C;font-weight:900;font-size:14px;
  box-shadow:0 0 18px rgba(0,229,143,.35);
}
.brand-text em{font-style:normal;color:var(--primary);}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-btn);
  background:var(--primary);color:#04120C;font-weight:700;font-size:14px;
  box-shadow:0 0 0 1px rgba(0,229,143,.5),0 6px 20px rgba(0,229,143,.22);
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{color:#04120C;filter:brightness(1.07);box-shadow:0 0 0 1px rgba(0,229,143,.7),0 8px 26px rgba(0,229,143,.36);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text-1);
}
.nav-toggle svg{width:20px;height:20px;}
@media (min-width:1024px){
  .nav-side{display:flex;}
  .nav-toggle{display:none;}
}
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(5,9,10,.92);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  display:flex;flex-direction:column;padding:22px;
  opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .25s ease,transform .25s ease;
}
.drawer.open{opacity:1;pointer-events:auto;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--glass-border);color:var(--text-1);display:grid;place-items:center;}
.drawer-links{margin-top:24px;display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:15px 12px;border-radius:12px;font-size:17px;font-weight:600;color:var(--text-1);
  border:1px solid transparent;
}
.drawer-links a:hover,.drawer-links a.active{background:rgba(0,229,143,.08);border-color:rgba(0,229,143,.28);color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}

/* ---------- 通用组件 ---------- */
.glass{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0));pointer-events:none;
}
.glass > *{position:relative;}
.glass-panel{border-radius:var(--r-section);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;
  background:rgba(0,229,143,.10);border:1px solid rgba(0,229,143,.28);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.eyebrow.accent{background:rgba(255,138,43,.10);border-color:rgba(255,138,43,.3);color:var(--accent-soft);}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(0,229,143,.8);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));color:#04120C;
  box-shadow:0 0 0 1px rgba(0,229,143,.5),0 8px 26px rgba(0,229,143,.24);
}
.btn-primary:hover{color:#04120C;filter:brightness(1.08);box-shadow:0 0 0 1px rgba(0,229,143,.75),0 12px 34px rgba(0,229,143,.36);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.02);border:1px solid var(--glass-border);color:var(--text-1);
}
.btn-ghost:hover{color:var(--primary);background:rgba(0,229,143,.10);border-color:rgba(0,229,143,.4);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(4px);}
.section{padding-top:96px;padding-bottom:96px;}
@media (max-width:1023px){.section{padding-top:72px;padding-bottom:72px;}}
@media (max-width:639px){.section{padding-top:56px;padding-bottom:56px;}}
.sec-title{font-size:clamp(22px,2.6vw,32px);font-weight:800;}
.sec-sub{color:var(--text-2);font-size:16px;max-width:760px;}
.sec-tag{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);font-weight:600;}
.divider{height:1px;background:var(--line);border:0;margin:0;}
.card{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--r-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0));pointer-events:none;z-index:1;
}
.card:hover{transform:translateY(-4px);border-color:rgba(0,229,143,.32);box-shadow:var(--sh-3);}
.card-media{position:relative;overflow:hidden;border-radius:var(--r-img);aspect-ratio:16/9;background:var(--bg-700);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.img-shade::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,10,.18) 0%,rgba(5,9,10,.35) 55%,rgba(5,9,10,.78) 100%);
  pointer-events:none;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(0,229,143,.12);color:var(--primary);border:1px solid rgba(0,229,143,.24);
}
.badge-outline{background:transparent;color:var(--text-2);border:1px solid var(--line);}
.badge-accent{background:rgba(255,138,43,.12);color:var(--accent-soft);border:1px solid rgba(255,138,43,.26);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.hl{color:var(--primary);}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding-top:132px;padding-bottom:88px;overflow:hidden;
  background:var(--bg-900);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 340px at 20% 16%,rgba(0,229,143,.09),transparent 70%),
    radial-gradient(560px 320px at 84% 74%,rgba(255,138,43,.055),transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(0,229,143,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,143,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.hero-inner{position:relative;z-index:2;}
.hero h1{font-size:clamp(28px,4.4vw,50px);font-weight:900;line-height:1.2;}
@media (max-width:639px){.hero h1{font-size:29px;}}
.hero-lead{color:var(--text-2);font-size:17px;line-height:1.85;max-width:620px;}
.hero-figure{position:relative;border-radius:var(--r-section);overflow:hidden;border:1px solid var(--glass-border);box-shadow:var(--sh-3);}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.factbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;}
@media (min-width:768px){.factbar{grid-template-columns:repeat(5,minmax(0,1fr));}}
.factbar .fact{background:rgba(10,17,19,.72);padding:14px 16px;}
.fact b{display:block;font-size:19px;font-weight:800;color:var(--text-1);}
.fact span{font-size:12.5px;color:var(--text-3);}

/* ---------- 卖点 ---------- */
.sticky-head{position:relative;}
@media (min-width:1024px){.sticky-head{position:sticky;top:110px;}}
.feature-item{
  display:flex;gap:16px;padding:22px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(10,17,19,.6);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.feature-item:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.3);background:rgba(16,26,29,.75);}
.feature-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(0,229,143,.28);background:rgba(0,229,143,.08);color:var(--primary);
}
.feature-icon svg{width:22px;height:22px;}
.feature-item:nth-child(2n){margin-left:0;}
@media (min-width:1024px){.feature-item:nth-child(2n){margin-left:36px;}}

/* ---------- 演示 ---------- */
.demo-frame{border-radius:var(--r-section);padding:14px;}
.step-card{position:relative;padding-left:0;}
.step-num{
  font-size:58px;font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(0,229,143,.6);
}
.step-line{position:absolute;left:32px;top:60px;bottom:-24px;width:1px;background:linear-gradient(180deg,rgba(0,229,143,.4),transparent);}

/* ---------- 证据 ---------- */
.kpi{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-section);overflow:hidden;}
@media (min-width:768px){.kpi{grid-template-columns:repeat(4,minmax(0,1fr));}}
.kpi-item{background:rgba(10,17,19,.7);padding:24px 20px;}
.kpi-item b{display:block;font-size:30px;font-weight:900;color:var(--primary);line-height:1.1;}
.kpi-item span{font-size:13px;color:var(--text-2);}
.rail{display:flex;gap:18px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;}
.rail::-webkit-scrollbar{height:8px;}
.rail > *{scroll-snap-align:start;flex:0 0 300px;}
@media (min-width:768px){.rail > *{flex:0 0 360px;}}
.logo-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
@media (min-width:768px){.logo-wall{grid-template-columns:repeat(4,minmax(0,1fr));}}
.logo-cell{
  display:grid;place-items:center;height:76px;border-radius:14px;border:1px solid var(--line);
  background:rgba(10,17,19,.6);color:var(--text-3);font-size:14px;font-weight:600;
  filter:grayscale(1);transition:filter .25s ease,color .25s ease,border-color .25s ease;
}
.logo-cell:hover{filter:grayscale(0);color:var(--primary);border-color:rgba(0,229,143,.3);}

/* ---------- 价格 ---------- */
.price-card{padding:26px;display:flex;flex-direction:column;gap:18px;height:100%;}
.price-card.recommended{border-color:rgba(0,229,143,.45);box-shadow:0 0 0 1px rgba(0,229,143,.25),0 8px 30px rgba(0,0,0,.45);}
.price-tag{font-size:26px;font-weight:900;color:var(--text-1);}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);padding:7px 0;border-bottom:1px dashed var(--line);}
.price-list li:last-child{border-bottom:0;}
.price-list svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;color:var(--primary);}
.corner-flag{
  position:absolute;top:16px;right:16px;z-index:2;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;background:var(--accent);color:#1B0F03;
}

/* ---------- 资讯 ---------- */
.news-primary{display:grid;gap:0;}
.news-headline{padding:22px 24px 24px;}
.news-item{
  display:flex;gap:16px;padding:16px;border-radius:14px;border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.news-item:hover{background:rgba(0,229,143,.06);border-color:rgba(0,229,143,.22);transform:translateX(3px);}
.news-thumb{flex:0 0 108px;width:108px;height:72px;border-radius:12px;overflow:hidden;background:var(--bg-700);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.empty-state{padding:44px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-card);}
.empty-state svg{width:38px;height:38px;color:var(--text-3);margin:0 auto 12px;}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(10,17,19,.62);overflow:hidden;transition:border-color .2s ease,background .2s ease;}
.faq-item.open{border-color:rgba(0,229,143,.32);background:rgba(16,26,29,.8);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16.5px;font-weight:600;text-align:left;color:var(--text-1);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{flex:0 0 22px;width:22px;height:22px;position:relative;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%);}
.faq-item.open .faq-icon::before{transform:translateX(-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- CTA / 页脚 ---------- */
.cta-band{padding:40px 32px;border-radius:var(--r-section);}
@media (max-width:639px){.cta-band{padding:28px 20px;}}
.site-footer{border-top:1px solid var(--line);background:var(--bg-800);padding-top:64px;}
.foot-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;}
.foot-link{display:block;font-size:14px;color:var(--text-2);padding:6px 0;}
.foot-link:hover{color:var(--primary);}
.foot-bottom{border-top:1px solid var(--line);margin-top:52px;padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:none;align-items:center;gap:10px;height:52px;padding:0 22px;border-radius:999px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));color:#04120C;font-weight:800;font-size:15px;
  box-shadow:0 0 0 1px rgba(0,229,143,.5),0 12px 34px rgba(0,229,143,.3);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,filter .2s ease;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta:hover{color:#04120C;filter:brightness(1.08);}
@media (min-width:1024px){.float-cta{display:inline-flex;}}
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(5,9,10,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .3s ease;
}
.float-bar.show{transform:translateY(0);}
@media (min-width:1024px){.float-bar{display:none;}}
@media (max-width:1023px){body{padding-bottom:0;}}

/* 动效降级 */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg-900:#05090A; --bg-800:#0A1113; --bg-700:#101A1D;
  --line:rgba(255,255,255,.08);
  --primary:#00E58F; --primary-deep:#0BBF7A; --accent:#FF8A2B; --accent-soft:#FFD166;
  --text-1:#EAF2F1; --text-2:#9FB0AF; --text-3:#6C7C7C;
  --glass-bg:rgba(16,26,29,.55); --glass-border:rgba(255,255,255,.10);
  --success:#24D07A; --warning:#FFB020; --danger:#FF5A5A;
  --r-lg:20px; --r-md:16px; --r-sm:12px;
  --sh-1:0 2px 10px rgba(0,0,0,.25);
  --sh-2:0 6px 22px rgba(0,0,0,.35);
  --sh-3:0 8px 30px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(0,229,143,.28), 0 10px 34px rgba(0,229,143,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(0,229,143,.08), transparent 62%),
    radial-gradient(700px 420px at 6% 12%, rgba(255,138,43,.05), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0;outline:none}
button{cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(0,229,143,.28)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-800)}
::-webkit-scrollbar-thumb{background:#1d2b2e;border-radius:999px;border:2px solid var(--bg-800)}
::-webkit-scrollbar-thumb:hover{background:#28403f}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container-x{padding:0 24px}}
@media(min-width:1024px){.container-x{padding:0 32px}}
.narrow{max-width:800px}
section[id],div[id]{scroll-margin-top:90px}

/* ---------- 通用玻璃与卡片 ---------- */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:var(--r-md);
  position:relative;
  overflow:hidden;
}
.glass::after{
  content:"";position:absolute;left:0;right:0;top:0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);
  pointer-events:none;
}
.card{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-md);backdrop-filter:blur(14px);
  box-shadow:var(--sh-2);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.32);box-shadow:var(--sh-3)}
.card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.card .body{padding:18px 20px 22px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:600;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  color:#04120C;box-shadow:0 0 0 1px rgba(0,229,143,.35),0 8px 24px rgba(0,229,143,.22);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(0,229,143,.5),0 12px 32px rgba(0,229,143,.34);color:#04120C}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border:1px solid var(--glass-border);background:rgba(255,255,255,.03);color:var(--text-1);
}
.btn-ghost:hover{background:rgba(0,229,143,.10);border-color:rgba(0,229,143,.4);color:var(--text-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(4px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(0,229,143,.10);color:var(--primary);border:1px solid rgba(0,229,143,.22);
}
.badge-outline{background:transparent;color:var(--text-2);border:1px solid var(--line)}
.badge-accent{background:rgba(255,138,43,.12);color:var(--accent-soft);border:1px solid rgba(255,138,43,.26)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;transition:background .25s ease,border-color .25s ease}
.site-header.scrolled{background:rgba(5,9,10,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:14px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--primary);
  transform:translateX(-50%);transition:width .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--primary)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));color:#04120C;
  font-weight:800;font-size:17px;box-shadow:0 6px 18px rgba(0,229,143,.28);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:0;color:var(--text-1);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-cta{
  height:40px;padding:0 18px;display:inline-flex;align-items:center;border-radius:10px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));color:#04120C;
  font-size:14px;font-weight:700;box-shadow:0 6px 20px rgba(0,229,143,.22);transition:all .2s ease;
}
.nav-cta:hover{color:#04120C;filter:brightness(1.08);box-shadow:0 8px 26px rgba(0,229,143,.34)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text-1);background:rgba(255,255,255,.03);
}
.nav-toggle svg{width:20px;height:20px}
@media(max-width:1023px){
  .nav-wrap{grid-template-columns:auto 1fr auto;height:62px}
  .nav-side{display:none}
  .brand{justify-self:start}
  .nav-toggle{display:inline-flex}
}
.nav-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(5,9,10,.86);backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.nav-drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;left:16px;right:16px;top:78px;padding:18px 20px 24px;border-radius:var(--r-lg);
}
.drawer-panel a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--text-1)}
.drawer-panel a:last-of-type{border-bottom:0}
.drawer-close{position:absolute;right:14px;top:12px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);color:var(--text-2)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:26px 0 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--text-3)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .bg{
  position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.30;
}
.page-hero .bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,10,.72),rgba(5,9,10,.94) 72%,var(--bg-900));
}
.page-hero .grid-lines{
  position:absolute;inset:0;opacity:.04;
  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:56px 56px;
}
.page-hero .inner{position:relative;padding:44px 0 64px}
.page-hero h1{font-size:34px;line-height:1.3;font-weight:800;margin:16px 0 0}
@media(min-width:1024px){.page-hero h1{font-size:46px}}
.lede{max-width:820px;margin-top:18px;color:var(--text-2);font-size:16px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.fact-row{display:grid;grid-template-columns:1fr;gap:1px;margin-top:34px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
@media(min-width:640px){.fact-row{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.fact-row{grid-template-columns:repeat(4,1fr)}}
.fact{background:rgba(10,17,19,.72);padding:16px 18px}
.fact b{display:block;font-size:19px;font-weight:800;color:var(--primary)}
.fact span{font-size:13px;color:var(--text-3)}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-kicker{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:12px}
.sec-head h2{font-size:26px;line-height:1.36;font-weight:800}
@media(min-width:1024px){.sec-head h2{font-size:32px}}
.sec-head p{margin-top:14px;color:var(--text-2)}

/* ---------- 交错图文区块 ---------- */
.alt-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding:30px 0;border-top:1px solid var(--line)}
.alt-row:first-of-type{border-top:0;padding-top:0}
@media(min-width:1024px){
  .alt-row{grid-template-columns:7fr 5fr;gap:56px;padding:52px 0}
  .alt-row.reverse{grid-template-columns:5fr 7fr}
  .alt-row.reverse .alt-media{order:2}
  .alt-row.reverse .alt-body{order:1}
}
.alt-media{position:relative;border:1px solid var(--glass-border);border-radius:var(--r-lg);overflow:hidden;background:var(--glass-bg);box-shadow:var(--sh-3)}
.alt-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.alt-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,10,.06),rgba(5,9,10,.42));pointer-events:none}
.alt-media .tagline{
  position:absolute;left:16px;bottom:14px;z-index:2;font-size:13px;color:var(--text-1);
  background:rgba(5,9,10,.6);border:1px solid var(--glass-border);border-radius:999px;padding:4px 12px;
}
.alt-body h3{font-size:22px;font-weight:800;line-height:1.4;margin-top:14px}
.alt-body p{margin-top:14px;color:var(--text-2);line-height:1.85}
.tick-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.tick-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.8}
.tick-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:var(--primary)}
.alt-num{
  font-size:52px;font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(0,229,143,.55);
}
@media(min-width:1024px){.alt-num{font-size:64px}}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--glass-border);border-radius:var(--r-md);background:var(--glass-bg)}
table.data{width:100%;border-collapse:collapse;min-width:640px}
table.data th,table.data td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
table.data th{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.04em;background:rgba(255,255,255,.02)}
table.data td{color:var(--text-2)}
table.data td:first-child{color:var(--text-1);font-weight:600}
table.data tr:last-child td{border-bottom:0}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--glass-border);border-radius:var(--r-md);background:var(--glass-bg);overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:rgba(0,229,143,.34)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1)}
.faq-q:hover{color:var(--primary)}
.faq-sign{width:22px;height:22px;flex:0 0 22px;position:relative;transition:transform .25s ease}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
.faq-sign::before{width:14px;height:2px}
.faq-sign::after{width:2px;height:14px;transition:opacity .25s ease}
.faq-item.open .faq-sign{transform:rotate(180deg);color:var(--primary)}
.faq-item.open .faq-sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 20px 20px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(4,1fr)}}
.rel-card{display:block;padding:22px 20px}
.rel-card h3{margin-top:12px;font-size:17px;font-weight:700}
.rel-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- CTA ---------- */
.cta-band{
  border:1px solid rgba(0,229,143,.24);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(0,229,143,.12),rgba(16,26,29,.72) 55%);
  backdrop-filter:blur(14px);padding:38px 28px;box-shadow:var(--sh-3);
}
@media(min-width:1024px){.cta-band{padding:52px 48px}}
.cta-band h2{font-size:24px;font-weight:800;line-height:1.4}
@media(min-width:1024px){.cta-band h2{font-size:30px}}
.cta-band p{margin-top:14px;color:var(--text-2);max-width:680px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;height:48px;padding:0 22px;
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));color:#04120C;
  font-size:15px;font-weight:700;box-shadow:0 10px 30px rgba(0,229,143,.30);
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{color:#04120C;filter:brightness(1.08)}
@media(max-width:767px){
  .float-cta{left:0;right:0;bottom:0;height:56px;border-radius:0;justify-content:center}
  body{padding-bottom:56px}
}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-800);padding:64px 0 0;margin-top:24px}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:16px}
.foot-link{display:block;font-size:14px;color:var(--text-2);padding:6px 0}
.foot-link:hover{color:var(--primary)}
.foot-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-2)}
.foot-bottom a:hover{color:var(--primary)}

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

/* roulang page: article */
:root{
  --bg-900:#05090A;
  --bg-800:#0A1113;
  --bg-700:#101A1D;
  --line:rgba(255,255,255,.08);
  --primary:#00E58F;
  --primary-deep:#0BBF7A;
  --accent:#FF8A2B;
  --accent-soft:#FFD166;
  --text-1:#EAF2F1;
  --text-2:#9FB0AF;
  --text-3:#6C7C7C;
  --glass-bg:rgba(16,26,29,.55);
  --glass-border:rgba(255,255,255,.10);
  --success:#24D07A;
  --warning:#FFB020;
  --danger:#FF5A5A;
  --r-block:20px;
  --r-card:16px;
  --r-img:14px;
  --shadow-sm:0 2px 10px rgba(0,0,0,.28);
  --shadow-md:0 6px 22px rgba(0,0,0,.36);
  --shadow-lg:0 8px 30px rgba(0,0,0,.45), inset 0 0 0 1px rgba(255,255,255,.04);
  --ease:.22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg-900);
  background-image:
    radial-gradient(900px 520px at 12% -12%, rgba(0,229,143,.09), transparent 62%),
    radial-gradient(760px 440px at 92% 4%, rgba(255,138,43,.055), transparent 62%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{letter-spacing:0;line-height:1.3;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary)}
img{display:block;max-width:100%}
button{font-family:inherit;background:none;border:0;cursor:pointer;color:inherit}
input,textarea,select{font-family:inherit;font-size:15px}
::selection{background:rgba(0,229,143,.28);color:#04120C}
.num,time,.tabular{font-variant-numeric:tabular-nums}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.glass-top{position:relative;overflow:hidden}
.glass-top::before{
  content:"";position:absolute;left:0;right:0;top:0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);
  pointer-events:none;
}
.glow{box-shadow:0 0 0 1px rgba(0,229,143,.28),0 8px 30px rgba(0,229,143,.18)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:rgba(5,9,10,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:14px;
}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%);transition:width .25s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--primary)}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,#00E58F,#0BBF7A);color:#04120C;
  font-weight:900;font-size:17px;box-shadow:0 6px 18px rgba(0,229,143,.28);
}
.brand-text{font-size:18px;font-weight:800;color:var(--text-1)}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:10px;
  background:linear-gradient(180deg,#00E58F,#0BBF7A);color:#04120C;font-size:14px;font-weight:700;
  box-shadow:0 0 0 1px rgba(0,229,143,.3),0 6px 20px rgba(0,229,143,.2);
  transition:var(--ease);
}
.nav-cta:hover{color:#04120C;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,229,143,.5),0 10px 26px rgba(0,229,143,.3)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  place-items:center;color:var(--text-1);
}
.nav-toggle svg{width:20px;height:20px}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:79;
  background:rgba(5,9,10,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transform:translateY(-102%);transition:transform .35s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:88px 24px 32px;
}
.mobile-drawer.open{transform:translateY(0)}
.mobile-drawer a{
  font-size:17px;font-weight:600;color:var(--text-1);
  padding:16px 0;border-bottom:1px solid var(--line);
}
.mobile-drawer a:hover{color:var(--primary)}
.mobile-drawer .drawer-cta{margin-top:26px;border-bottom:0}

/* ============ 面包屑 / 文章头 ============ */
.page-top{padding-top:112px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero{
  position:relative;margin-top:20px;padding:44px 0 40px;
  border-radius:var(--r-block);overflow:hidden;
  background-image:linear-gradient(115deg,rgba(5,9,10,.94) 0%,rgba(5,9,10,.82) 45%,rgba(5,9,10,.72) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  border:1px solid var(--glass-border);
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:70px;
  background:linear-gradient(180deg,transparent,rgba(5,9,10,.75));
}
.chips{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:2}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(0,229,143,.12);color:var(--primary);border:1px solid rgba(0,229,143,.22);
}
.badge-outline{background:transparent;color:var(--text-2);border:1px solid var(--glass-border)}
.article-hero h1{
  position:relative;z-index:2;
  margin:20px 0 0;font-size:44px;font-weight:800;line-height:1.24;color:var(--text-1);
  max-width:900px;
}
.meta-row{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:13.5px;color:var(--text-2);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.meta-row .chip-cat{color:var(--accent-soft)}

/* ============ 文章布局 ============ */
.article-section{padding:56px 0 96px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,800px) 300px;
  gap:44px;justify-content:center;align-items:start;
}
.article-main{min-width:0}
.article-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;min-width:0}

.article-body{
  font-size:17.5px;line-height:1.9;color:var(--text-1);
  word-break:break-word;
}
.article-body p{margin:0 0 22px}
.article-body h2{
  font-size:26px;font-weight:700;margin:48px 0 20px;padding-left:14px;
  border-left:3px solid var(--primary);line-height:1.4;
}
.article-body h3{font-size:20px;font-weight:700;margin:34px 0 14px}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--text-1)}
.article-body strong{color:#fff;font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--primary);
  background:var(--glass-bg);border-radius:0 14px 14px 0;color:var(--text-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body li{margin:10px 0;line-height:1.85}
.article-body li::marker{color:var(--primary)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-soft)}
.article-body img{border-radius:12px;margin:24px 0 8px}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:8px;text-align:center}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:24px 0;-webkit-overflow-scrolling:touch;
}
.article-body table th,.article-body table td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-body table th{background:rgba(0,229,143,.07);color:var(--text-1);font-weight:600}
.article-body code{
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;font-size:14.5px;color:var(--accent-soft);
}

.article-card{
  border-radius:var(--r-block);padding:38px 40px 32px;box-shadow:var(--shadow-lg);
}
.empty-state{
  padding:56px 20px;text-align:center;border-radius:var(--r-card);
  border:1px dashed var(--glass-border);background:rgba(255,255,255,.02);
}
.empty-state svg{width:44px;height:44px;color:var(--text-3);margin:0 auto 16px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);border:1px solid var(--glass-border);
  background:rgba(255,255,255,.03);transition:var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(0,229,143,.35);background:rgba(0,229,143,.07)}

/* 双栏导航卡 */
.dual-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:40px}
.dual-card{
  position:relative;border-radius:var(--r-card);padding:20px 22px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:var(--ease);overflow:hidden;
}
.dual-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);pointer-events:none;
}
.dual-card:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.35);box-shadow:var(--shadow-md)}
.dual-card .kicker{font-size:12px;color:var(--text-3);letter-spacing:.05em;text-transform:uppercase}
.dual-card .t{font-size:15.5px;font-weight:600;color:var(--text-1);margin-top:8px;line-height:1.5}
.dual-card:hover .t{color:var(--primary)}

/* 相关推荐 */
.section-mini-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:52px 0 20px}
.section-mini-title h2{font-size:22px;font-weight:700;padding-left:13px;border-left:3px solid var(--primary)}
.section-mini-title a{font-size:13.5px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.section-mini-title a svg{width:15px;height:15px;transition:transform var(--ease)}
.section-mini-title a:hover svg{transform:translateX(3px)}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.rel-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:var(--ease);
}
.rel-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);pointer-events:none;z-index:2;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.35);box-shadow:var(--shadow-md)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:var(--bg-700);margin:14px 14px 0}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:14px 16px 18px}
.rel-card .t{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--text-1)}
.rel-card:hover .t{color:var(--primary)}
.rel-card .m{font-size:12.5px;color:var(--text-3);margin-top:10px;display:flex;align-items:center;gap:10px}

.back-cats{
  margin-top:44px;padding:24px 26px;border-radius:var(--r-card);
  border:1px solid var(--glass-border);background:rgba(0,229,143,.045);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.back-cats p{font-size:14.5px;color:var(--text-2)}

/* 侧栏卡 */
.side-card{
  border-radius:var(--r-card);padding:20px 20px 18px;position:relative;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-sm);
}
.side-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);pointer-events:none;
}
.side-card h3{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-top:1px solid var(--line)}
.side-list li:first-child{border-top:0}
.side-list a{display:block;padding:11px 0;font-size:14px;color:var(--text-2);line-height:1.6}
.side-list a:hover{color:var(--primary)}
.side-note{font-size:13px;color:var(--text-3);line-height:1.75}
.side-cover{border-radius:12px;overflow:hidden;margin-bottom:14px}
.side-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ 按钮 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:11px;
  background:linear-gradient(180deg,#00E58F,#0BBF7A);color:#04120C;
  font-size:15px;font-weight:700;
  box-shadow:0 0 0 1px rgba(0,229,143,.32),0 6px 22px rgba(0,229,143,.2);
  transition:var(--ease);
}
.btn-primary:hover{color:#04120C;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,229,143,.5),0 10px 30px rgba(0,229,143,.3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:11px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.03);
  color:var(--text-1);font-size:15px;font-weight:600;transition:var(--ease);
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(0,229,143,.4);background:rgba(0,229,143,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:14.5px;font-weight:600;transition:var(--ease);
}
.btn-text svg{width:16px;height:16px;transition:transform var(--ease)}
.btn-text:hover{color:var(--accent-soft)}
.btn-text:hover svg{transform:translateX(3px)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta .btn-primary{height:46px;padding:0 24px;box-shadow:0 0 0 1px rgba(0,229,143,.35),0 10px 32px rgba(0,229,143,.3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;padding:64px 0 0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,19,.4),rgba(5,9,10,.95));
}
.foot-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.foot-link{display:block;font-size:14px;color:var(--text-2);padding:5px 0}
.foot-link:hover{color:var(--primary)}
.foot-bottom{
  margin-top:48px;padding:22px 0 26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-2)}
.foot-bottom a:hover{color:var(--primary)}
.text-t2{color:var(--text-2)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-wrap{display:flex;justify-content:space-between;height:60px}
  .nav-side{display:none}
  .nav-toggle{display:grid}
  .page-top{padding-top:92px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px}
  .article-aside{position:static}
  .article-hero h1{font-size:34px}
  .article-card{padding:30px 26px 26px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:23px;margin-top:40px}
}
@media (max-width:767px){
  .container-x{padding-left:20px;padding-right:20px}
  .article-hero{padding:32px 0 30px;border-radius:16px}
  .article-hero h1{font-size:28px;margin-top:16px}
  .meta-row{font-size:12.5px;gap:10px;margin-top:18px}
  .article-section{padding:36px 0 120px}
  .rel-grid,.dual-nav{grid-template-columns:minmax(0,1fr)}
  .float-cta{left:14px;right:14px;bottom:14px}
  .float-cta .btn-primary{width:100%}
  .article-card{padding:24px 20px 22px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-900:#05090A;
  --bg-800:#0A1113;
  --bg-700:#101A1D;
  --line:rgba(255,255,255,.08);
  --primary:#00E58F;
  --primary-deep:#0BBF7A;
  --accent:#FF8A2B;
  --accent-soft:#FFD166;
  --text-1:#EAF2F1;
  --text-2:#9FB0AF;
  --text-3:#6C7C7C;
  --glass-bg:rgba(16,26,29,.55);
  --glass-border:rgba(255,255,255,.10);
  --success:#24D07A;
  --warning:#FFB020;
  --danger:#FF5A5A;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 2px 10px rgba(0,0,0,.25);
  --shadow-2:0 4px 18px rgba(0,0,0,.35);
  --shadow-3:0 8px 30px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
section[id],div[id]{scroll-margin-top:90px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-800)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:rgba(0,229,143,.35)}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  position:relative;
}
@media (min-width:640px){.container-x{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px}}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,9,10,.85);
  border-bottom-color:var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.left{justify-self:start}
.nav-side.right{justify-self:end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:0;
  height:2px;
  background:var(--primary);
  transition:left .2s ease,right .2s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.active::after{left:0;right:0}
.nav-link.active{color:var(--primary)}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:11px;
  font-size:14px;
  font-weight:600;
  color:#04120C;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(0,229,143,.30),0 6px 20px rgba(0,229,143,.22);
  transition:filter .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-cta:hover{
  color:#04120C;
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(0,229,143,.5),0 10px 26px rgba(0,229,143,.34);
}
.nav-cta:active{transform:translateY(1px)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;color:#04120C;
  background:linear-gradient(145deg,var(--primary),var(--primary-deep));
  box-shadow:0 6px 18px rgba(0,229,143,.25);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:0;color:var(--text-1)}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  color:var(--text-1);
  position:relative;
  z-index:95;
}
.nav-toggle svg{width:20px;height:20px}
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(5,9,10,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:92px 24px 40px;
  overflow-y:auto;
  transform:translateX(102%);
  transition:transform .3s ease;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-link{
  display:block;
  padding:15px 0;
  font-size:17px;
  font-weight:500;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--primary)}
@media (max-width:1023px){
  .nav-wrap{grid-template-columns:auto 1fr auto;height:64px}
  .nav-side{display:none}
  .nav-toggle{display:inline-flex;justify-self:end}
  .brand{justify-self:center}
}

/* ---------- 按钮与徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:600;
  transition:filter .2s ease,box-shadow .2s ease,transform .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:17px;height:17px}
.btn-primary{
  color:#04120C;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(0,229,143,.32),0 8px 26px rgba(0,229,143,.24);
}
.btn-primary:hover{
  color:#04120C;filter:brightness(1.07);
  box-shadow:0 0 0 1px rgba(0,229,143,.55),0 12px 32px rgba(0,229,143,.36);
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  color:var(--text-1);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{background:rgba(0,229,143,.10);border-color:rgba(0,229,143,.38);color:var(--text-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(0,229,143,.10);
  color:var(--primary);
  border:1px solid rgba(0,229,143,.20);
  white-space:nowrap;
}
.badge-outline{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:500;
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  border:1px solid var(--glass-border);
  white-space:nowrap;
}
.badge-accent{
  background:rgba(255,138,43,.12);
  color:var(--accent);
  border-color:rgba(255,138,43,.24);
}

/* ---------- 玻璃与卡片 ---------- */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.glass-card{
  position:relative;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-2);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.glass-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:45%;
  background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);
  pointer-events:none;
}
.glass-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,143,.30);
  box-shadow:var(--shadow-3);
}
.card-thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-sm);
  transition:transform .25s ease;
}
.glass-card:hover .card-thumb{transform:scale(1.03)}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:72px 0 64px}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,10,.70),rgba(5,9,10,.90) 55%,var(--bg-900));
}
.hero-grid{
  position:absolute;inset:0;z-index:1;
  background-image:
    radial-gradient(620px 320px at 12% 6%,rgba(0,229,143,.10),transparent 70%),
    radial-gradient(480px 260px at 92% 82%,rgba(255,138,43,.06),transparent 72%),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
}
.hero-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb span{color:var(--text-3)}
.hero h1{
  font-size:30px;line-height:1.28;font-weight:800;letter-spacing:0;margin:16px 0 18px;
  max-width:900px;
}
@media (min-width:640px){.hero h1{font-size:38px}}
@media (min-width:1024px){.hero h1{font-size:48px;line-height:1.2}}
.hero-lead{font-size:16px;line-height:1.85;color:var(--text-2);max-width:800px}
@media (min-width:1024px){.hero-lead{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.facts{
  display:grid;grid-template-columns:1fr;gap:12px;margin-top:44px;
}
@media (min-width:640px){.facts{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.facts{grid-template-columns:repeat(4,1fr)}}
.fact{
  border-radius:var(--r-sm);
  padding:16px 18px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.fact-num{font-size:22px;font-weight:800;color:var(--primary);line-height:1.2}
.fact-label{font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- 板块 ---------- */
.section{padding:64px 0;border-bottom:1px solid var(--line)}
@media (min-width:1024px){.section{padding:100px 0}}
.section:last-of-type{border-bottom:0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.05em;
  color:var(--primary);text-transform:uppercase;
}
.sec-title{font-size:23px;font-weight:800;line-height:1.35;margin:12px 0 14px}
@media (min-width:1024px){.sec-title{font-size:31px}}
.sec-desc{font-size:15px;line-height:1.85;color:var(--text-2)}
@media (min-width:1024px){.sec-desc{font-size:16px}}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;
  padding:14px;border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  margin-bottom:28px;
}
.filter-tag{
  height:36px;padding:0 16px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--text-2);
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,.02);
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.filter-tag:hover{color:var(--text-1);border-color:rgba(0,229,143,.32)}
.filter-tag.active{
  color:#04120C;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  border-color:transparent;
  font-weight:600;
}

/* ---------- 卡片瀑布 ---------- */
.masonry{column-count:1;column-gap:22px}
@media (min-width:640px){.masonry{column-count:2}}
@media (min-width:1024px){.masonry{column-count:3;column-gap:24px}}
.masonry-item{
  break-inside:avoid;
  -webkit-column-break-inside:avoid;
  margin-bottom:22px;
  display:block;
}
@media (min-width:1024px){.masonry-item{margin-bottom:24px}}
.m-card-body{padding:18px}
.m-card-title{font-size:16px;font-weight:700;line-height:1.5;margin:10px 0 8px}
.m-card-text{font-size:14px;line-height:1.8;color:var(--text-2)}
.m-card-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;margin-top:14px;padding-top:12px;
  border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}
.cover-wrap{
  position:relative;
  border-radius:var(--r-sm);
  overflow:hidden;
}
.cover-wrap::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,10,.10),rgba(5,9,10,.55));
}
.thumb-fallback{
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:16/9;border-radius:var(--r-sm);
  background:rgba(0,229,143,.08);
  color:var(--primary);font-size:26px;font-weight:800;
}

/* ---------- 刷新说明 7/5 分栏 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.split{grid-template-columns:7fr 5fr;gap:48px}}
.sticky-side{position:static}
@media (min-width:1024px){.sticky-side{position:sticky;top:100px;align-self:start}}
.refresh-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.refresh-item:last-child{border-bottom:0}
.refresh-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,229,143,.09);
  border:1px solid rgba(0,229,143,.20);
  color:var(--primary);
}
.refresh-icon svg{width:20px;height:20px}
.refresh-title{font-size:16px;font-weight:700;margin-bottom:6px}
.refresh-text{font-size:14px;line-height:1.8;color:var(--text-2)}
.side-card{padding:22px;border-radius:var(--r-md)}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px}
.side-list li{
  font-size:14px;color:var(--text-2);
  padding:10px 0;border-bottom:1px dashed var(--line);
  display:flex;gap:8px;
}
.side-list li:last-child{border-bottom:0}
.side-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:10px;
  border-radius:50%;background:var(--accent);
}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.step-num{
  font-size:52px;font-weight:900;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(0,229,143,.55);
  font-variant-numeric:tabular-nums;
}
.step-title{font-size:16px;font-weight:700;margin:12px 0 8px}
.step-text{font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
table.data-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
  font-size:14px;
}
.data-table thead th{
  text-align:left;
  font-size:13px;font-weight:600;
  color:var(--text-2);
  padding:14px 18px;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table tbody td{
  padding:15px 18px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  line-height:1.7;
  vertical-align:top;
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody td:first-child{color:var(--text-1);font-weight:600}
.data-table tbody tr:hover{background:rgba(0,229,143,.04)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.open{border-color:rgba(0,229,143,.30)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;
  padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--text-1);
}
@media (min-width:1024px){.faq-q{font-size:17px;padding:20px 24px}}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(0,229,143,.30);
  color:var(--primary);
  font-size:15px;line-height:1;
  transition:transform .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-item.open .faq-a{max-height:340px}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
@media (min-width:1024px){.faq-a-inner{padding:0 24px 22px}}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(4,1fr)}}
.rel-card{
  display:block;
  padding:22px 20px;
  border-radius:var(--r-md);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.32);color:inherit;background:rgba(0,229,143,.05)}
.rel-title{font-size:15px;font-weight:700;margin-bottom:8px}
.rel-text{font-size:13px;line-height:1.75;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:40px 24px;
  background:
    radial-gradient(560px 240px at 12% 0%,rgba(0,229,143,.14),transparent 70%),
    var(--bg-700);
  border:1px solid var(--glass-border);
  overflow:hidden;
  text-align:center;
}
@media (min-width:1024px){.cta-band{padding:56px 48px}}
.cta-band h2{font-size:22px;font-weight:800;line-height:1.4;margin-bottom:14px}
@media (min-width:1024px){.cta-band h2{font-size:30px}}
.cta-band p{font-size:15px;color:var(--text-2);max-width:720px;margin:0 auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-800);padding:56px 0 0;margin-top:0}
.foot-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px}
.foot-link{display:block;font-size:14px;color:var(--text-2);padding:5px 0}
.foot-link:hover{color:var(--primary)}
.foot-bottom{
  margin-top:44px;
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-2)}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:60;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:999px;
  font-size:14px;font-weight:600;
  color:#04120C;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(0,229,143,.35),0 10px 30px rgba(0,229,143,.30);
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,filter .2s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{color:#04120C;filter:brightness(1.06)}
.float-cta svg{width:17px;height:17px}
@media (max-width:639px){
  body{padding-bottom:70px}
  .float-cta{
    left:0;right:0;bottom:0;
    width:100%;
    height:56px;
    border-radius:0;
    justify-content:center;
    font-size:15px;
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0)}
}

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

/* roulang page: category3 */
:root{
  --bg-900:#05090A; --bg-800:#0A1113; --bg-700:#101A1D;
  --line:rgba(255,255,255,.08);
  --primary:#00E58F; --primary-deep:#0BBF7A;
  --accent:#FF8A2B; --accent-soft:#FFD166;
  --text-1:#EAF2F1; --text-2:#9FB0AF; --text-3:#6C7C7C;
  --glass-bg:rgba(16,26,29,.55);
  --glass-border:rgba(255,255,255,.10);
  --success:#24D07A; --warning:#FFB020; --danger:#FF5A5A;
  --r-lg:20px; --r-md:16px; --r-sm:12px; --r-btn:11px;
  --sh-1:0 2px 10px rgba(0,0,0,.25);
  --sh-2:0 6px 20px rgba(0,0,0,.35);
  --sh-3:0 8px 30px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  padding-top:72px;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 78% -6%, rgba(0,229,143,.10), transparent 70%),
    radial-gradient(520px 380px at 6% 32%, rgba(255,138,43,.05), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:0;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(0,229,143,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-900);}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:rgba(0,229,143,.4);}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media(min-width:640px){.container-x{padding:0 24px;}}
@media(min-width:1024px){.container-x{padding:0 32px;}}

section[id]{scroll-margin-top:90px;}
.section{padding:64px 0;position:relative;}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-head{max-width:800px;}
.sec-title{font-size:26px;font-weight:800;letter-spacing:0;}
@media(min-width:640px){.sec-title{font-size:30px;}}
@media(min-width:1024px){.sec-title{font-size:32px;}}
.sec-desc{color:var(--text-2);font-size:16px;margin-top:16px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.05em;
  color:var(--primary);text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}
.text-t2{color:var(--text-2);}
.text-t3{color:var(--text-3);}

/* ---------- 玻璃与卡片 ---------- */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.card{
  position:relative;
  border-radius:var(--r-md);
  border:1px solid var(--glass-border);
  background:
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0) 45%),
    var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-2), inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.32);box-shadow:var(--sh-3), inset 0 1px 0 rgba(255,255,255,.07);}
.card-pad{padding:24px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;
  padding:6px 11px;border-radius:999px;
  background:rgba(0,229,143,.10);color:var(--primary);border:1px solid transparent;white-space:nowrap;
}
.badge-outline{background:transparent;border-color:var(--glass-border);color:var(--text-2);}
.badge-accent{background:rgba(255,138,43,.12);color:var(--accent-soft);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn svg{width:17px;height:17px;}
.btn-primary{
  background:linear-gradient(180deg,#26F5A6,#00E58F);
  color:#031A11;
  box-shadow:0 0 0 1px rgba(0,229,143,.35),0 10px 26px rgba(0,229,143,.22);
}
.btn-primary:hover{color:#031A11;box-shadow:0 0 0 1px rgba(0,229,143,.6),0 12px 32px rgba(0,229,143,.36);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--glass-border);
  color:var(--text-1);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(0,229,143,.10);border-color:rgba(0,229,143,.45);color:var(--text-1);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-size:14px;font-weight:600;}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:72px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled{
  background:rgba(5,9,10,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{
  width:100%;display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:16px;height:72px;
}
.nav-side{display:none;align-items:center;gap:26px;}
.nav-side.left{justify-content:flex-start;}
.nav-side.right{justify-content:flex-end;gap:22px;}
@media(min-width:1024px){.nav-side{display:flex;}}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-2px;height:2px;
  background:var(--primary);border-radius:2px;transition:left .25s ease, right .25s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{left:0;right:0;}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(0,229,143,.9),rgba(11,191,122,.55));
  color:#03170F;font-weight:900;font-size:17px;
  box-shadow:0 0 0 1px rgba(0,229,143,.35),0 8px 20px rgba(0,229,143,.22);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:0;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--primary);}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:10px;
  font-size:14px;font-weight:600;color:#031A11;
  background:linear-gradient(180deg,#26F5A6,#00E58F);
  box-shadow:0 0 0 1px rgba(0,229,143,.3),0 8px 22px rgba(0,229,143,.2);
  transition:transform .2s ease, box-shadow .2s ease, color .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{color:#031A11;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,229,143,.55),0 10px 26px rgba(0,229,143,.32);}
.nav-toggle{
  display:grid;place-items:center;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.03);
  color:var(--text-1);justify-self:end;
}
.nav-toggle svg{width:22px;height:22px;}
@media(min-width:1024px){.nav-toggle{display:none;}}

.mobile-menu{
  position:fixed;inset:0;z-index:90;display:flex;align-items:flex-start;justify-content:center;
  padding:88px 18px 24px;background:rgba(5,9,10,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:none;}
.mm-inner{
  width:100%;max-width:440px;border-radius:var(--r-lg);padding:18px;
  display:flex;flex-direction:column;gap:4px;
}
.mm-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border-radius:12px;font-size:16px;font-weight:500;color:var(--text-1);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.mm-link:last-child{border-bottom:0;}
.mm-link:hover{background:rgba(0,229,143,.08);color:var(--primary);}
.mm-link.is-active{color:var(--primary);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 64px;overflow:hidden;}
@media(min-width:1024px){.hero{padding:88px 0 96px;}}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(120deg,rgba(5,9,10,.92) 18%,rgba(5,9,10,.72) 62%,rgba(5,9,10,.9) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,10,.4),rgba(5,9,10,.95));
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);position:relative;z-index:1;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:rgba(255,255,255,.2);}
.crumbs .now{color:var(--text-2);}
.hero h1{
  font-size:28px;font-weight:900;letter-spacing:0;margin-top:20px;line-height:1.32;
}
@media(min-width:640px){.hero h1{font-size:38px;}}
@media(min-width:1024px){.hero h1{font-size:46px;}}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.9;color:var(--text-2);max-width:640px;}
@media(min-width:1024px){.hero-lead{font-size:17px;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.fact-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  margin-top:40px;border-radius:14px;overflow:hidden;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.05);
}
@media(min-width:768px){.fact-bar{grid-template-columns:repeat(4,minmax(0,1fr));}}
.fact-item{background:rgba(10,17,19,.72);padding:16px 18px;}
.fact-item .k{font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.fact-item .v{font-size:14px;font-weight:600;color:var(--text-1);margin-top:6px;line-height:1.5;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-border);box-shadow:var(--sh-3), inset 0 1px 0 rgba(255,255,255,.06);}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-visual .veil{position:absolute;inset:0;background:linear-gradient(160deg,rgba(5,9,10,.15),rgba(5,9,10,.78));}
.hero-visual .panel{
  position:absolute;left:16px;right:16px;bottom:16px;
  border-radius:14px;padding:14px 16px;
  background:rgba(10,17,19,.72);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.hero-visual .panel .t{font-size:13px;color:var(--text-3);}
.hero-visual .panel .m{font-size:15px;font-weight:600;color:var(--text-1);margin-top:4px;}

/* ---------- 数据表 ---------- */
.table-scroll{
  overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--glass-border);
  background:rgba(16,26,29,.45);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.data-table{width:100%;min-width:780px;border-collapse:collapse;font-size:14px;}
.data-table th{
  text-align:left;font-size:13px;font-weight:600;color:var(--text-3);
  padding:15px 18px;background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table td{padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.05);color:var(--text-2);vertical-align:top;line-height:1.7;}
.data-table tr:last-child td{border-bottom:0;}
.data-table tbody tr:hover td{background:rgba(0,229,143,.045);}
.data-table td strong{color:var(--text-1);font-weight:600;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:44px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(0,229,143,.6),rgba(0,229,143,.16) 45%,rgba(255,255,255,.05));
}
@media(min-width:768px){.timeline::before{left:31px;}}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:18px;padding-bottom:28px;}
@media(min-width:768px){.tl-item{grid-template-columns:64px 1fr;gap:26px;padding-bottom:34px;}}
.tl-node{
  position:relative;z-index:1;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-size:16px;font-weight:800;color:var(--primary);
  background:rgba(10,17,19,.92);border:1px solid rgba(0,229,143,.32);
  box-shadow:0 0 0 6px rgba(5,9,10,.85),0 6px 18px rgba(0,229,143,.14);
}
@media(min-width:768px){.tl-node{width:64px;height:64px;font-size:20px;border-radius:18px;}}
.tl-body{border-radius:var(--r-md);padding:20px 22px;}
.tl-body h3{font-size:18px;font-weight:700;}
@media(min-width:768px){.tl-body h3{font-size:20px;}}
.tl-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-2);}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tl-media{margin-top:16px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--glass-border);}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tl-media figcaption{font-size:13px;color:var(--text-3);padding:10px 14px;background:rgba(255,255,255,.02);}

/* ---------- 对比双栏 ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px;}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:24px;}}
.compare-card{border-radius:var(--r-lg);padding:26px 24px;position:relative;}
.compare-card h3{font-size:20px;font-weight:700;}
.compare-card .cap{font-size:13px;color:var(--text-3);margin-top:6px;}
.compare-card .corner{
  position:absolute;top:0;right:0;font-size:12px;padding:6px 14px;
  border-radius:0 var(--r-lg) 0 14px;background:rgba(0,229,143,.14);color:var(--primary);font-weight:600;
}
.spec-list{margin-top:18px;display:flex;flex-direction:column;gap:0;}
.spec-list li{
  display:flex;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05);
  font-size:14px;line-height:1.7;
}
.spec-list li:last-child{border-bottom:0;}
.spec-list .k{min-width:72px;color:var(--text-3);flex:0 0 76px;}
.spec-list .v{color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:34px;max-width:880px;}
.faq-item{
  border:1px solid var(--glass-border);border-radius:var(--r-md);
  background:rgba(16,26,29,.5);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease, background .2s ease;
}
.faq-item:hover{border-color:rgba(0,229,143,.26);}
.faq-item.open{border-color:rgba(0,229,143,.36);background:rgba(16,26,29,.72);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
}
@media(min-width:768px){.faq-q{font-size:17px;padding:20px 24px;}}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--glass-border);color:var(--primary);
  transition:transform .25s ease, background .2s ease;
}
.faq-icon svg{width:14px;height:14px;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(0,229,143,.12);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}
@media(min-width:768px){.faq-a-inner{padding:0 24px 22px;}}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:36px;}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.rel-card{display:flex;flex-direction:column;}
.rel-thumb{position:relative;overflow:hidden;}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,10,.05),rgba(5,9,10,.6));}
.rel-body{padding:20px 22px 22px;}
.rel-body h3{font-size:17px;font-weight:700;}
.rel-body p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.75;}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);padding:36px 28px;
  border:1px solid rgba(0,229,143,.24);
  background:
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0) 45%),
    radial-gradient(600px 240px at 12% 0%, rgba(0,229,143,.16), transparent 70%),
    rgba(16,26,29,.6);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-3), inset 0 1px 0 rgba(255,255,255,.06);
  display:grid;gap:24px;align-items:center;
}
@media(min-width:900px){.cta-band{grid-template-columns:1.4fr .8fr;padding:44px 44px;}}
.cta-band h2{font-size:24px;font-weight:800;}
@media(min-width:768px){.cta-band h2{font-size:30px;}}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,19,.65),rgba(5,9,10,1));
  padding:64px 0 0;
}
@media(min-width:1024px){.site-footer{padding:76px 0 0;}}
.foot-title{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.05em;margin-bottom:16px;}
.foot-link{display:block;font-size:14px;color:var(--text-2);padding:6px 0;}
.foot-link:hover{color:var(--primary);}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:52px;padding:24px 0 28px;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;z-index:70;right:24px;bottom:24px;
  display:inline-flex;align-items:center;gap:10px;
  height:50px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;color:#031A11;
  background:linear-gradient(180deg,#26F5A6,#00E58F);
  box-shadow:0 0 0 1px rgba(0,229,143,.35),0 12px 30px rgba(0,229,143,.28);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease, transform .3s ease, box-shadow .2s ease;
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto;}
.float-cta:hover{color:#031A11;box-shadow:0 0 0 1px rgba(0,229,143,.6),0 14px 34px rgba(0,229,143,.4);}
.float-cta svg{width:18px;height:18px;}
@media(max-width:767px){
  .float-cta{
    right:0;left:0;bottom:0;height:58px;border-radius:0;
    justify-content:center;
    box-shadow:0 -6px 24px rgba(0,0,0,.45),0 0 0 1px rgba(0,229,143,.3);
  }
  .float-cta.show{transform:none;}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --bg-900:#05090A;--bg-800:#0A1113;--bg-700:#101A1D;
  --line:rgba(255,255,255,.08);
  --primary:#00E58F;--primary-deep:#0BBF7A;
  --accent:#FF8A2B;--accent-soft:#FFD166;
  --text-1:#EAF2F1;--text-2:#9FB0AF;--text-3:#6C7C7C;
  --glass-bg:rgba(16,26,29,.55);--glass-border:rgba(255,255,255,.10);
  --success:#24D07A;--warning:#FFB020;--danger:#FF5A5A;
  --r-lg:20px;--r-md:16px;--r-sm:12px;
  --shadow-1:0 2px 8px rgba(0,0,0,.25);
  --shadow-2:0 8px 24px rgba(0,0,0,.35);
  --shadow-3:0 8px 30px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
button,input{font:inherit;color:inherit;background:none;border:none;appearance:none}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(0,229,143,.28)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-800)}
::-webkit-scrollbar-thumb{background:#1b2a2c;border-radius:8px;border:2px solid var(--bg-800)}
::-webkit-scrollbar-thumb:hover{background:#26403f}
.num{font-variant-numeric:tabular-nums}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 24px}}
@media (min-width:1024px){.container-x{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:76px 0}}
@media (min-width:1024px){.section{padding:100px 0}}
[id]{scroll-margin-top:90px}
.text-t2{color:var(--text-2)}
.text-t3{color:var(--text-3)}
.glass{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-radius:var(--r-md);overflow:hidden;
}
.glass::after{
  content:"";position:absolute;left:0;right:0;top:0;height:72px;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0));
}
.sec-head{max-width:820px}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;color:var(--primary);background:rgba(0,229,143,.10);
  border-radius:999px;padding:6px 14px;
}
.sec-title{font-size:22px;font-weight:800;line-height:1.4;margin-top:16px;letter-spacing:0}
@media (min-width:768px){.sec-title{font-size:30px}}
@media (min-width:1024px){.sec-title{font-size:33px}}
.sec-desc{color:var(--text-2);font-size:16px;line-height:1.9;margin-top:14px}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;height:72px;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(5,9,10,.85);border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.nav-side{display:flex;align-items:center;gap:24px}
.nav-side.left{flex:1;justify-content:flex-start}
.nav-side.right{flex:1;justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transition:left .25s ease,right .25s ease;
}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{left:0;right:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04150F;font-weight:900;font-size:17px;
}
.brand-text{font-size:17px;font-weight:800;color:var(--text-1);letter-spacing:0}
.brand-text em{font-style:normal;color:var(--primary)}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:10px;
  font-size:14px;font-weight:700;color:#04150F;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px rgba(0,229,143,.22);transition:all .2s ease;white-space:nowrap;
}
.nav-cta:hover{color:#04150F;filter:brightness(1.07);box-shadow:0 0 26px rgba(0,229,143,.42)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--glass-border);
  align-items:center;justify-content:center;color:var(--text-1);transition:all .2s ease;
}
.nav-toggle:hover{border-color:rgba(0,229,143,.45);color:var(--primary)}
.nav-toggle svg{width:22px;height:22px}
.mobile-drawer{
  position:fixed;inset:0;z-index:70;padding:88px 24px 32px;display:flex;flex-direction:column;
  background:rgba(5,9,10,.94);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .25s ease,transform .25s ease;
}
.mobile-drawer.open{opacity:1;transform:none;pointer-events:auto}
.mobile-drawer a{
  padding:14px 4px;font-size:17px;font-weight:600;color:var(--text-1);border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-cta{
  margin-top:20px;border:none;justify-content:center;height:48px;border-radius:12px;
}
@media (max-width:1023px){
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#04150F;
  box-shadow:0 0 18px rgba(0,229,143,.20);
}
.btn-primary:hover{color:#04150F;filter:brightness(1.07);box-shadow:0 0 28px rgba(0,229,143,.45)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:var(--glass-border);color:var(--text-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:var(--text-1);background:rgba(0,229,143,.10);border-color:rgba(0,229,143,.45)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);
}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease}
.btn-text:hover{color:var(--primary);filter:brightness(1.1)}
.btn-text:hover svg{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(0,229,143,.10);color:var(--primary);
}
.badge-outline{background:transparent;border:1px solid var(--glass-border);color:var(--text-2)}
.badge-accent{background:rgba(255,138,43,.12);color:var(--accent-soft)}

/* hero */
.page-hero{position:relative;overflow:hidden;padding:76px 0 60px;border-bottom:1px solid var(--line)}
@media (min-width:1024px){.page-hero{padding:96px 0 76px}}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(620px 320px at 12% 0%,rgba(0,229,143,.16),transparent 68%),
    radial-gradient(520px 300px at 92% 20%,rgba(255,138,43,.10),transparent 70%),
    linear-gradient(180deg,rgba(5,9,10,.70),rgba(5,9,10,.94) 58%,var(--bg-900));
}
.page-hero .container-x{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2)}
.breadcrumb .current{color:var(--text-3)}
.hero-h1{
  font-size:28px;font-weight:900;line-height:1.32;margin-top:18px;letter-spacing:0;max-width:900px;
}
@media (min-width:768px){.hero-h1{font-size:40px}}
@media (min-width:1024px){.hero-h1{font-size:48px}}
.hero-sub{color:var(--text-2);font-size:16px;line-height:1.9;margin-top:18px;max-width:820px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:38px;
  background:var(--glass-border);border:1px solid var(--glass-border);border-radius:var(--r-md);overflow:hidden;
}
@media (min-width:768px){.hero-facts{grid-template-columns:repeat(4,minmax(0,1fr))}}
.hero-facts li{background:rgba(10,17,19,.86);padding:18px 20px}
.hero-facts .fig{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:0}
.hero-facts .cap{font-size:13px;color:var(--text-2);margin-top:4px}

/* index strip */
.index-strip{
  display:flex;gap:10px;overflow-x:auto;padding:18px 0 6px;margin-top:26px;
}
.index-strip a{
  flex:0 0 auto;font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid var(--glass-border);border-radius:999px;padding:8px 16px;
  background:rgba(16,26,29,.55);transition:all .2s ease;
}
.index-strip a:hover{color:var(--primary);border-color:rgba(0,229,143,.45);background:rgba(0,229,143,.08)}

/* fold list */
.fold-group + .fold-group{margin-top:44px}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.group-no{
  font-size:15px;font-weight:800;color:var(--primary);border:1px solid rgba(0,229,143,.35);
  border-radius:10px;padding:4px 11px;background:rgba(0,229,143,.08);
}
.group-title{font-size:20px;font-weight:800;letter-spacing:0}
@media (min-width:768px){.group-title{font-size:22px}}
.group-note{font-size:13px;color:var(--text-3)}
.fold-list{display:flex;flex-direction:column;gap:12px}
.fold-item{
  border:1px solid var(--glass-border);border-radius:var(--r-md);
  background:var(--glass-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;position:relative;overflow:hidden;
}
.fold-item::after{
  content:"";position:absolute;left:0;right:0;top:0;height:56px;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,0));
}
.fold-item:hover{border-color:rgba(0,229,143,.30);box-shadow:var(--shadow-2)}
.fold-item.open{border-color:rgba(0,229,143,.42);box-shadow:0 0 0 1px rgba(0,229,143,.12),var(--shadow-2)}
.fold-head{
  width:100%;display:flex;align-items:flex-start;gap:16px;text-align:left;padding:18px 20px;
  position:relative;z-index:1;
}
@media (min-width:768px){.fold-head{padding:20px 24px}}
.fold-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--primary);background:rgba(0,229,143,.10);
  border:1px solid rgba(0,229,143,.22);
}
.fold-q{flex:1;font-size:16px;font-weight:700;line-height:1.6;color:var(--text-1);padding-top:3px}
@media (min-width:768px){.fold-q{font-size:17px}}
.fold-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--glass-border);
  display:grid;place-items:center;color:var(--text-2);font-size:16px;line-height:1;transition:all .25s ease;
  margin-top:5px;
}
.fold-item.open .fold-sign{background:var(--primary);color:#04150F;border-color:var(--primary);transform:rotate(45deg)}
.fold-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.fold-item.open .fold-body{grid-template-rows:1fr}
.fold-inner{overflow:hidden}
.fold-content{padding:0 20px 22px 70px;color:var(--text-2);font-size:15px;line-height:1.85}
@media (max-width:639px){.fold-content{padding:0 18px 20px 18px}}
.fold-content p + p{margin-top:12px}
.fold-content strong{color:var(--text-1);font-weight:700}
.fold-steps{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.fold-steps li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2)}
.fold-steps li span.dot{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:9px;
}
.fold-note{
  margin-top:14px;padding:12px 14px;border-left:3px solid var(--accent);border-radius:0 10px 10px 0;
  background:rgba(255,138,43,.08);color:var(--text-2);font-size:14px;
}

/* scenes 2x2 staggered */
.scene-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px}
@media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
.scene-card{
  border:1px solid var(--glass-border);border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(0,229,143,.30);box-shadow:var(--shadow-3)}
@media (min-width:768px){.scene-card.offset{margin-top:34px}}
.scene-thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.03)}
.scene-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,10,.10),rgba(5,9,10,.75))}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:19px;font-weight:800;letter-spacing:0}
.scene-body p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.85}

/* steps */
.step-rail{display:grid;grid-template-columns:1fr;gap:18px;margin-top:36px}
@media (min-width:768px){.step-rail{grid-template-columns:repeat(3,minmax(0,1fr))}}
.step-card{
  position:relative;padding:26px 24px 24px;border:1px solid var(--glass-border);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(16,26,29,.72),rgba(10,17,19,.58));
}
.step-no{
  font-size:48px;font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1.5px rgba(0,229,143,.55);font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;font-weight:800;margin-top:14px;letter-spacing:0}
.step-card p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.85}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:32px}
.faq-item{border:1px solid var(--glass-border);border-radius:var(--r-md);background:rgba(16,26,29,.5);overflow:hidden}
.faq-item .fold-head{padding:18px 22px}
.faq-item .fold-q{font-size:16px;font-weight:600}
.faq-item .fold-content{padding:0 22px 20px 22px}

/* related */
.rel-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:34px}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rel-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;border:1px solid var(--glass-border);
  border-radius:var(--r-md);background:var(--glass-bg);transition:all .2s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(0,229,143,.42);box-shadow:var(--shadow-2)}
.rel-card h3{font-size:16px;font-weight:800;letter-spacing:0}
.rel-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.rel-card .rel-more{font-size:13px;font-weight:700;color:var(--primary)}

/* cta */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--glass-border);border-radius:var(--r-lg);
  padding:38px 26px;background:
    radial-gradient(520px 220px at 10% 0%,rgba(0,229,143,.16),transparent 70%),
    linear-gradient(180deg,rgba(16,26,29,.78),rgba(10,17,19,.62));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
@media (min-width:1024px){.cta-band{padding:52px 48px}}
.cta-band h2{font-size:22px;font-weight:800;letter-spacing:0}
@media (min-width:768px){.cta-band h2{font-size:28px}}
.cta-band p{color:var(--text-2);margin-top:14px;max-width:720px;font-size:16px;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* footer */
.site-footer{margin-top:20px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,17,19,.6),rgba(5,9,10,1));padding:60px 0 0}
.site-footer .brand-mark{width:30px;height:30px;font-size:15px}
.site-footer .brand-text{font-size:16px}
.foot-title{font-size:14px;font-weight:800;color:var(--text-1);margin-bottom:16px;letter-spacing:0}
.foot-link{display:block;font-size:14px;color:var(--text-2);padding:5px 0;transition:color .2s ease}
.foot-link:hover{color:var(--primary)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-2)}
.foot-bottom a:hover{color:var(--primary)}

/* float cta */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:12px;font-size:14px;font-weight:700;color:#04150F;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 8px 30px rgba(0,0,0,.45),0 0 22px rgba(0,229,143,.30);
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .3s ease,transform .3s ease,filter .2s ease;
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{color:#04150F;filter:brightness(1.07)}
@media (max-width:639px){
  .float-cta{left:16px;right:16px;bottom:14px;justify-content:center;height:50px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
    --bg-900:#05090A;
    --bg-800:#0A1113;
    --bg-700:#101A1D;
    --line:rgba(255,255,255,.08);
    --primary:#00E58F;
    --primary-deep:#0BBF7A;
    --accent:#FF8A2B;
    --accent-soft:#FFD166;
    --text-1:#EAF2F1;
    --text-2:#9FB0AF;
    --text-3:#6C7C7C;
    --glass-bg:rgba(16,26,29,.55);
    --glass-border:rgba(255,255,255,.10);
    --success:#24D07A;
    --warning:#FFB020;
    --danger:#FF5A5A;
    --r-xl:20px;
    --r-lg:16px;
    --r-md:12px;
    --r-sm:10px;
    --shadow-1:0 2px 10px rgba(0,0,0,.28);
    --shadow-2:0 8px 30px rgba(0,0,0,.45);
    --shadow-glow:0 0 0 1px rgba(0,229,143,.28), 0 10px 32px rgba(0,229,143,.20);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-900);
    color:var(--text-1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.8;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--primary);}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input,textarea{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  section{scroll-margin-top:90px;}
  ::selection{background:rgba(0,229,143,.28);color:#fff;}

  .container-x{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){ .container-x{padding:0 24px;} }
  @media (min-width:1024px){ .container-x{padding:0 32px;} }

  /* ---------- 文字层级 ---------- */
  .h1{
    font-size:30px;
    line-height:1.3;
    font-weight:800;
    letter-spacing:0;
  }
  .h2{
    font-size:23px;
    line-height:1.36;
    font-weight:800;
    letter-spacing:0;
  }
  .h3{
    font-size:19px;
    line-height:1.45;
    font-weight:700;
  }
  .lead{
    font-size:16px;
    color:var(--text-2);
    line-height:1.85;
  }
  .txt-2{color:var(--text-2);}
  .txt-3{color:var(--text-3);}
  .text-t2{color:var(--text-2);}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.05em;
    text-transform:uppercase;
    color:var(--primary);
    font-weight:700;
  }
  .eyebrow::before{
    content:"";
    width:20px;
    height:1px;
    background:var(--primary);
    opacity:.8;
  }
  @media (min-width:768px){
    .h1{font-size:38px;}
    .h2{font-size:28px;}
  }
  @media (min-width:1024px){
    .h1{font-size:48px;line-height:1.22;}
    .h2{font-size:32px;}
    .h3{font-size:21px;}
  }
  .kw{color:var(--primary);}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  }
  .site-header.scrolled{
    background:rgba(5,9,10,.85);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--line);
  }
  .nav-wrap{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    gap:16px;
    height:64px;
  }
  @media (min-width:1024px){
    .nav-wrap{height:74px;gap:24px;}
  }
  .nav-side{
    display:none;
    align-items:center;
    gap:26px;
  }
  .nav-side.left{justify-content:flex-start;}
  .nav-side.right{justify-content:flex-end;}
  @media (min-width:1024px){
    .nav-side{display:flex;}
  }
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--text-2);
    padding:6px 0;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;
    right:50%;
    bottom:0;
    height:2px;
    border-radius:2px;
    background:var(--primary);
    transition:left .22s ease, right .22s ease;
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link:hover::after,
  .nav-link.active::after{left:0;right:0;}
  .nav-link.active{color:var(--primary);}
  .nav-link:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:4px;
    border-radius:4px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text-1);
    font-weight:800;
    justify-self:center;
  }
  .brand:hover{color:var(--text-1);}
  .brand-mark{
    width:34px;
    height:34px;
    border-radius:10px;
    display:grid;
    place-items:center;
    background:linear-gradient(140deg,var(--primary),var(--primary-deep));
    color:#04150D;
    font-size:16px;
    font-weight:900;
    box-shadow:0 0 0 1px rgba(0,229,143,.3), 0 6px 18px rgba(0,229,143,.22);
  }
  .brand-text{font-size:15px;white-space:nowrap;}
  .brand-text em{font-style:normal;color:var(--primary);}
  @media (min-width:1024px){ .brand-text{font-size:16px;} }
  .nav-cta{
    display:inline-flex;
    align-items:center;
    height:40px;
    padding:0 18px;
    border-radius:var(--r-sm);
    background:var(--primary);
    color:#04150D;
    font-size:14px;
    font-weight:700;
    box-shadow:0 6px 20px rgba(0,229,143,.22);
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
    white-space:nowrap;
  }
  .nav-cta:hover{
    color:#04150D;
    background:#1BF09C;
    box-shadow:0 10px 28px rgba(0,229,143,.35);
  }
  .nav-cta:active{transform:translateY(1px);}
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    border-radius:var(--r-sm);
    border:1px solid var(--glass-border);
    background:var(--glass-bg);
    color:var(--text-1);
    justify-self:end;
  }
  .nav-toggle svg{width:22px;height:22px;}
  @media (min-width:1024px){ .nav-toggle{display:none;} }

  .mobile-drawer{
    position:fixed;
    inset:0;
    z-index:90;
    background:rgba(5,9,10,.94);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    padding:22px 20px 40px;
    display:flex;
    flex-direction:column;
    gap:6px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:14px;
  }
  .drawer-close{
    width:42px;height:42px;border-radius:var(--r-sm);
    border:1px solid var(--glass-border);
    background:var(--glass-bg);
    display:grid;place-items:center;
  }
  .drawer-close svg{width:20px;height:20px;}
  .drawer-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 4px;
    font-size:16px;
    font-weight:600;
    color:var(--text-1);
    border-bottom:1px solid var(--line);
  }
  .drawer-link span.arrow{color:var(--text-3);font-size:14px;}
  .drawer-link.active{color:var(--primary);}
  .drawer-cta{
    margin-top:22px;
    display:flex;
    align-items:center;
    justify-content:center;
    height:48px;
    border-radius:var(--r-md);
    background:var(--primary);
    color:#04150D;
    font-weight:800;
    box-shadow:0 8px 26px rgba(0,229,143,.28);
  }
  @media (min-width:1024px){ .mobile-drawer{display:none;} }

  /* ---------- 面包屑 ---------- */
  .crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:22px;
  }
  .crumbs a{color:var(--text-2);}
  .crumbs a:hover{color:var(--primary);}
  .crumbs .sep{color:var(--text-3);opacity:.6;}
  .crumbs .now{color:var(--text-3);}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    padding:44px 0 56px;
    overflow:hidden;
    background:
      radial-gradient(700px 380px at 12% 8%, rgba(0,229,143,.10), transparent 62%),
      radial-gradient(520px 340px at 92% 0%, rgba(255,138,43,.07), transparent 60%),
      var(--bg-900);
    border-bottom:1px solid var(--line);
  }
  .page-hero::after{
    content:"";
    position:absolute;
    inset: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:64px 64px;
    mask-image:linear-gradient(180deg, rgba(0,0,0,.6), transparent 80%);
    -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.6), transparent 80%);
    pointer-events:none;
  }
  .page-hero > .container-x{position:relative;z-index:2;}
  @media (min-width:1024px){ .page-hero{padding:64px 0 88px;} }

  .hero-panel{
    position:relative;
    border-radius:var(--r-xl);
    border:1px solid var(--glass-border);
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow-2);
    overflow:hidden;
  }
  .hero-panel::before{
    content:"";
    position:absolute;
    left:0;right:0;top:0;
    height:1px;
    background:linear-gradient(90deg, rgba(255,255,255,.45), rgba(255,255,255,0) 55%);
    pointer-events:none;
  }
  .status-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:14px 18px;
    border-bottom:1px solid var(--line);
    font-size:13px;
    color:var(--text-2);
  }
  .status-dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--success);
    box-shadow:0 0 0 4px rgba(36,208,122,.14);
    display:inline-block;
    margin-right:8px;
  }
  .status-list{padding:6px 18px 18px;}
  .status-item{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:14px;
    padding:14px 0;
    border-bottom:1px solid var(--line);
    font-size:14px;
  }
  .status-item:last-child{border-bottom:0;}
  .status-item .k{color:var(--text-2);}
  .status-item .v{color:var(--text-1);font-weight:600;text-align:right;}

  /* ---------- 通用区块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){ .section{padding:104px 0;} }
  .section-head{max-width:780px;margin-bottom:32px;}
  @media (min-width:1024px){ .section-head{margin-bottom:48px;} }
  .section-head .h2{margin-top:12px;}
  .section-head .lead{margin-top:14px;}

  .divider{height:1px;background:var(--line);border:0;margin:0;}

  /* ---------- 统计条 ---------- */
  .stat-strip{
    display:grid;
    grid-template-columns:1fr;
    gap:1px;
    background:var(--line);
    border:1px solid var(--glass-border);
    border-radius:var(--r-lg);
    overflow:hidden;
  }
  @media (min-width:640px){ .stat-strip{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .stat-strip{grid-template-columns:repeat(4,1fr);} }
  .stat-cell{
    background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,0));
    background-color:var(--bg-800);
    padding:22px 20px;
  }
  .stat-num{
    font-size:30px;
    font-weight:900;
    line-height:1.1;
    color:var(--primary);
  }
  .stat-label{
    font-size:14px;
    color:var(--text-2);
    margin-top:8px;
  }

  /* ---------- 按钮 ---------- */
  .btn-main{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 22px;
    border-radius:var(--r-md);
    background:var(--primary);
    color:#04150D;
    font-weight:700;
    font-size:15px;
    box-shadow:0 8px 26px rgba(0,229,143,.24);
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .btn-main:hover{
    color:#04150D;
    background:#1BF09C;
    box-shadow:0 12px 32px rgba(0,229,143,.38);
  }
  .btn-main:active{transform:translateY(1px);}
  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 22px;
    border-radius:var(--r-md);
    border:1px solid var(--glass-border);
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    color:var(--text-1);
    font-weight:600;
    font-size:15px;
    transition:background .2s ease, border-color .2s ease, transform .2s ease;
  }
  .btn-ghost:hover{
    color:var(--text-1);
    background:rgba(0,229,143,.10);
    border-color:rgba(0,229,143,.45);
  }
  .btn-ghost:active{transform:translateY(1px);}
  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--primary);
    font-weight:600;
    font-size:14px;
  }
  .btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
  .btn-text:hover svg{transform:translateX(3px);}
  .btn-main:focus-visible,
  .btn-ghost:focus-visible,
  .nav-cta:focus-visible,
  .drawer-link:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
  .btn-sm{height:36px;padding:0 16px;font-size:14px;}

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    line-height:1;
    padding:7px 12px;
    border-radius:999px;
    background:rgba(0,229,143,.10);
    color:var(--primary);
    font-weight:600;
    white-space:nowrap;
  }
  .badge-outline{
    background:transparent;
    border:1px solid var(--glass-border);
    color:var(--text-2);
  }
  .badge-warn{
    background:rgba(255,176,32,.12);
    color:var(--warning);
  }
  .badge-accent{
    background:rgba(255,138,43,.12);
    color:var(--accent);
  }

  /* ---------- 双栏布局 ---------- */
  .two-col{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:1024px){
    .two-col{grid-template-columns:4fr 8fr;gap:48px;}
  }
  .sticky-col{position:static;}
  @media (min-width:1024px){
    .sticky-col{position:sticky;top:96px;}
  }

  .toc-card{
    position:relative;
    border-radius:var(--r-lg);
    border:1px solid var(--glass-border);
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow-1);
    padding:8px;
    overflow:hidden;
  }
  .toc-card::before{
    content:"";
    position:absolute;
    left:0;right:0;top:0;
    height:1px;
    background:linear-gradient(90deg, rgba(255,255,255,.45), rgba(255,255,255,0) 60%);
  }
  .toc-title{
    font-size:12px;
    letter-spacing:.05em;
    text-transform:uppercase;
    color:var(--text-3);
    padding:14px 14px 10px;
    font-weight:700;
  }
  .toc-link{
    display:flex;
    align-items:center;
    gap:10px;
    padding:11px 14px;
    border-radius:var(--r-sm);
    font-size:14px;
    color:var(--text-2);
    transition:background .2s ease, color .2s ease;
  }
  .toc-link .num{
    font-size:12px;
    color:var(--text-3);
    font-weight:700;
    min-width:20px;
  }
  .toc-link:hover{background:rgba(255,255,255,.04);color:var(--text-1);}
  .toc-link.active{
    background:rgba(0,229,143,.10);
    color:var(--primary);
  }
  .toc-link.active .num{color:var(--primary);}

  .selfcheck{
    margin-top:18px;
    border-radius:var(--r-lg);
    border:1px solid var(--glass-border);
    background:linear-gradient(180deg, rgba(0,229,143,.06), rgba(0,0,0,0) 62%), var(--bg-800);
    padding:20px;
  }
  .selfcheck p.sc-title{
    font-size:14px;
    font-weight:700;
    color:var(--text-1);
  }
  .selfcheck ul{margin-top:12px;}
  .selfcheck li{
    position:relative;
    padding-left:18px;
    font-size:13.5px;
    color:var(--text-2);
    line-height:1.75;
    margin-bottom:8px;
  }
  .selfcheck li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:6px;height:6px;
    border-radius:50%;
    background:var(--primary);
    opacity:.7;
  }

  /* ---------- 条目流 ---------- */
  .entry-card{
    position:relative;
    border-radius:var(--r-lg);
    border:1px solid var(--glass-border);
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    box-shadow:var(--shadow-1);
    padding:24px 20px;
    margin-bottom:20px;
    transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    overflow:hidden;
    scroll-margin-top:96px;
  }
  .entry-card::before{
    content:"";
    position:absolute;
    left:0;right:0;top:0;
    height:1px;
    background:linear-gradient(90deg, rgba(255,255,255,.45), rgba(255,255,255,0) 60%);
    pointer-events:none;
  }
  .entry-card:hover{
    transform:translateY(-2px);
    border-color:rgba(0,229,143,.30);
    box-shadow:var(--shadow-2);
  }
  @media (min-width:768px){ .entry-card{padding:28px;} }
  .entry-head{display:flex;align-items:flex-start;gap:14px;}
  .entry-no{
    flex:none;
    width:44px;height:44px;
    border-radius:var(--r-md);
    display:grid;place-items:center;
    font-size:15px;
    font-weight:900;
    color:var(--primary);
    background:rgba(0,229,143,.08);
    border:1px solid rgba(0,229,143,.22);
  }
  .entry-title{font-size:18px;font-weight:700;line-height:1.5;}
  @media (min-width:768px){ .entry-title{font-size:20px;} }
  .entry-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:10px;
    font-size:13px;
    color:var(--text-3);
  }
  .entry-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
  .entry-body{margin-top:16px;font-size:15px;color:var(--text-2);line-height:1.9;}
  .entry-figure{
    margin-top:18px;
    border-radius:var(--r-md);
    overflow:hidden;
    border:1px solid var(--line);
    position:relative;
  }
  .entry-figure img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
    filter:saturate(.92);
    transition:transform .35s ease;
  }
  .entry-card:hover .entry-figure img{transform:scale(1.03);}
  .entry-figure::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(5,9,10,.06), rgba(5,9,10,.55));
    pointer-events:none;
  }
  .entry-figure figcaption{
    position:absolute;
    left:14px;
    bottom:12px;
    z-index:2;
    font-size:12.5px;
    color:rgba(234,242,241,.86);
  }

  ul.bullets{margin-top:16px;}
  ul.bullets li{
    position:relative;
    padding-left:22px;
    font-size:14.5px;
    line-height:1.85;
    color:var(--text-2);
    margin-bottom:10px;
  }
  ul.bullets li::before{
    content:"";
    position:absolute;
    left:2px;
    top:10px;
    width:8px;height:2px;
    background:var(--primary);
    border-radius:2px;
  }
  ul.bullets li b{color:var(--text-1);font-weight:600;}

  .entry-foot{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:20px;
    padding-top:16px;
    border-top:1px solid var(--line);
  }

  .note-box{
    border-left:3px solid var(--accent);
    background:rgba(255,138,43,.06);
    border-radius:0 var(--r-sm) var(--r-sm) 0;
    padding:14px 16px;
    font-size:14px;
    color:var(--text-2);
    line-height:1.8;
    margin-top:16px;
  }
  .note-box b{color:var(--accent-soft);font-weight:700;}

  /* ---------- 步骤 ---------- */
  .step-track{
    display:grid;
    grid-template-columns:1fr;
    gap:1px;
    background:var(--line);
    border:1px solid var(--glass-border);
    border-radius:var(--r-lg);
    overflow:hidden;
  }
  @media (min-width:640px){ .step-track{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .step-track{grid-template-columns:repeat(4,1fr);} }
  .step-cell{
    background-color:var(--bg-800);
    padding:26px 22px;
    transition:background .2s ease;
  }
  .step-cell:hover{background-color:var(--bg-700);}
  .step-big{
    font-size:46px;
    font-weight:900;
    line-height:1;
    color:transparent;
    -webkit-text-stroke:1.5px rgba(0,229,143,.55);
    letter-spacing:.02em;
  }
  .step-cell h3{font-size:17px;font-weight:700;margin-top:14px;}
  .step-cell p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.8;}

  /* ---------- FAQ ---------- */
  .faq-wrap{
    border:1px solid var(--glass-border);
    border-radius:var(--r-lg);
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    overflow:hidden;
    position:relative;
  }
  .faq-wrap::before{
    content:"";
    position:absolute;
    left:0;right:0;top:0;
    height:1px;
    background:linear-gradient(90deg, rgba(255,255,255,.45), rgba(255,255,255,0) 60%);
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:0;}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    text-align:left;
    padding:20px 20px;
    font-size:16px;
    font-weight:600;
    color:var(--text-1);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--primary);}
  .faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
  .faq-icon{
    flex:none;
    width:22px;height:22px;
    position:relative;
    border-radius:50%;
    border:1px solid var(--glass-border);
    transition:transform .25s ease, border-color .25s ease;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--primary);
    transform:translate(-50%,-50%);
    border-radius:2px;
  }
  .faq-icon::before{width:10px;height:2px;}
  .faq-icon::after{width:2px;height:10px;transition:opacity .2s ease;}
  .faq-item.open .faq-icon{transform:rotate(180deg);border-color:rgba(0,229,143,.45);}
  .faq-item.open .faq-icon::after{opacity:0;}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .25s ease;
  }
  .faq-a p{
    padding:0 20px 20px;
    font-size:15px;
    color:var(--text-2);
    line-height:1.85;
  }
  .faq-a p + p{padding-top:0;}
  @media (min-width:768px){
    .faq-q{font-size:17px;padding:22px 26px;}
    .faq-a p{padding:0 26px 22px;}
  }

  /* ---------- 相关分类 ---------- */
  .rel-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  @media (min-width:640px){ .rel-grid{grid-template-columns:repeat(2,1fr);} }
  .rel-card{
    display:block;
    border-radius:var(--r-lg);
    border:1px solid var(--glass-border);
    background:var(--bg-800);
    padding:22px;
    transition:transform .2s ease, border-color .2s ease, background .2s ease;
  }
  .rel-card:hover{
    transform:translateY(-3px);
    border-color:rgba(0,229,143,.32);
    background:var(--bg-700);
    color:var(--text-1);
  }
  .rel-card .rc-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .rel-card h3{font-size:17px;font-weight:700;margin-top:14px;}
  .rel-card p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.8;}
  .rel-card .rc-go{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-top:16px;
    font-size:13.5px;
    color:var(--primary);
    font-weight:600;
  }
  .rel-card .rc-go svg{width:15px;height:15px;transition:transform .2s ease;}
  .rel-card:hover .rc-go svg{transform:translateX(3px);}

  /* ---------- CTA 带 ---------- */
  .cta-band{
    position:relative;
    border-radius:var(--r-xl);
    border:1px solid var(--glass-border);
    background:
      radial-gradient(560px 260px at 88% 10%, rgba(0,229,143,.16), transparent 62%),
      linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0) 60%),
      var(--bg-800);
    box-shadow:var(--shadow-2);
    padding:32px 24px;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    left:0;right:0;top:0;
    height:1px;
    background:linear-gradient(90deg, rgba(255,255,255,.5), rgba(255,255,255,0) 65%);
  }
  @media (min-width:1024px){ .cta-band{padding:52px 48px;} }
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    border-top:1px solid var(--line);
    background:var(--bg-900);
    padding:56px 0 0;
    margin-top:8px;
  }
  .site-footer .brand{justify-self:start;}
  .foot-title{
    font-size:13px;
    letter-spacing:.05em;
    text-transform:uppercase;
    color:var(--text-3);
    font-weight:700;
    margin-bottom:16px;
  }
  .foot-link{
    display:block;
    font-size:14px;
    color:var(--text-2);
    padding:6px 0;
  }
  .foot-link:hover{color:var(--primary);}
  .foot-bottom{
    margin-top:44px;
    border-top:1px solid var(--line);
    padding:22px 0 26px;
    display:flex;
    flex-direction:column;
    gap:10px;
    font-size:13px;
    color:var(--text-3);
  }
  @media (min-width:768px){
    .foot-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }
  .foot-bottom a{color:var(--text-2);}
  .foot-bottom a:hover{color:var(--primary);}

  /* ---------- 浮动 CTA ---------- */
  .float-cta{
    position:fixed;
    right:24px;
    bottom:24px;
    z-index:70;
    opacity:0;
    visibility:hidden;
    transform:translateY(12px);
    transition:opacity .28s ease, transform .28s ease, visibility .28s;
  }
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
  .float-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    height:52px;
    padding:0 22px;
    border-radius:999px;
    background:var(--primary);
    color:#04150D;
    font-weight:800;
    font-size:15px;
    box-shadow:0 12px 34px rgba(0,229,143,.34);
  }
  .float-btn:hover{color:#04150D;background:#1BF09C;}
  .float-btn svg{width:18px;height:18px;}
  @media (max-width:767px){
    .float-cta{
      left:0;right:0;bottom:0;
      transform:translateY(100%);
    }
    .float-cta.show{transform:translateY(0);}
    .float-btn{
      width:100%;
      height:56px;
      border-radius:0;
      justify-content:center;
      box-shadow:0 -8px 26px rgba(0,0,0,.45);
    }
    body{padding-bottom:56px;}
  }

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

  /* ---------- 滚动条 ---------- */
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:#070C0D;}
  ::-webkit-scrollbar-thumb{
    background:rgba(0,229,143,.28);
    border-radius:999px;
    border:2px solid #070C0D;
  }
  ::-webkit-scrollbar-thumb:hover{background:rgba(0,229,143,.46);}