/* roulang page: index */
:root{
  --bg-0:#080E15;
  --bg-1:#0C1622;
  --bg-2:#11202F;
  --brand:#2FD6A6;
  --brand-deep:#1BAF86;
  --brand-glow:rgba(47,214,166,.32);
  --accent:#F5B33C;
  --danger:#E0575B;
  --tx-1:#E9F0F7;
  --tx-2:#A6B6C6;
  --tx-3:#6E8093;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.045);
  --radius:14px;
  --radius-lg:16px;
  --shadow:0 12px 30px rgba(0,0,0,.35);
  --container:1200px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s cubic-bezier(.4,0,.2,1)}
a:hover{color:#7CEBC8}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(8,14,21,.78);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:72px;
  padding:10px 24px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:24px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  color:var(--tx-2);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
}
.nav-link:hover{color:var(--tx-1)}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:var(--tx-1)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;text-align:left;color:var(--tx-1);
}
.brand:hover{color:var(--tx-1)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(47,214,166,.24),rgba(47,214,166,.04));
  border:1px solid rgba(47,214,166,.35);
  box-shadow:0 0 18px rgba(47,214,166,.18);
}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.3px}
.brand-sub{font-size:11px;color:var(--tx-3);letter-spacing:3px}
.btn-nav{
  height:36px;padding:0 16px;font-size:13px;border-radius:8px;
}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:10px;
  color:var(--tx-1);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
  transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,16,24,.98);
  overflow:hidden;
  max-height:0;
  transition:max-height .28s ease;
}
.mobile-menu.open{max-height:420px}
.mobile-menu ul{padding:8px 0 16px}
.mobile-menu li{border-bottom:1px solid var(--line)}
.mobile-menu li:last-child{border-bottom:0}
.mobile-menu a{
  display:flex;align-items:center;min-height:48px;padding:0 24px;
  color:var(--tx-2);font-size:15px;
}
.mobile-menu a:hover{color:var(--tx-1);background:rgba(255,255,255,.03)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:color .22s cubic-bezier(.4,0,.2,1),background .22s cubic-bezier(.4,0,.2,1),border-color .22s cubic-bezier(.4,0,.2,1),box-shadow .22s cubic-bezier(.4,0,.2,1),transform .22s cubic-bezier(.4,0,.2,1);
}
.btn-primary{
  background:linear-gradient(135deg,#34E0AE,#1BAF86);
  color:#04140F;
  box-shadow:0 8px 22px var(--brand-glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04140F}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px var(--brand-glow)}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.18);color:var(--tx-1);
}
.btn-ghost:hover{border-color:rgba(47,214,166,.45);box-shadow:0 0 0 3px rgba(47,214,166,.08);color:var(--tx-1)}
.btn-amber{
  background:linear-gradient(135deg,#F7C35F,#E09A20);
  color:#1A1204;
  box-shadow:0 8px 20px rgba(245,179,60,.24);
}
.btn-amber:hover{filter:brightness(1.06);transform:translateY(-1px);color:#1A1204}
.btn-amber:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid #7CEBC8;outline-offset:2px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- section ---------- */
main{display:block}
.section{padding:76px 0;border-top:1px solid var(--line)}
.section--alt{background:var(--bg-1)}
.section--tight{padding:52px 0}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.4vw,30px);line-height:1.32}
.section-head p{margin-top:14px;color:var(--tx-2);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.5px;color:var(--brand);
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(47,214,166,.3);
  background:rgba(47,214,166,.08);
  margin-bottom:16px;
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:64px 0 0;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(47,214,166,.13),transparent 62%),
    radial-gradient(700px 380px at 6% 8%,rgba(47,214,166,.07),transparent 60%),
    var(--bg-0);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:44px;
  align-items:start;
  min-height:520px;
}
.hero-copy{min-width:0;padding-bottom:8px}
.hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.5px;
  margin-bottom:20px;
}
.hero-lead{
  color:var(--tx-2);
  font-size:16px;
  line-height:1.85;
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  font-size:12.5px;color:var(--tx-2);
  padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
}
.hero-panel{min-width:0;display:flex;flex-direction:column;gap:16px}
.panel-glass{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  padding:20px;
  overflow:hidden;
}
.panel-glass::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(255,255,255,.12),transparent 55%);
  opacity:.06;pointer-events:none;
}
.panel-glass::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--brand),transparent 70%);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.panel-title{font-size:14px;font-weight:600;color:var(--tx-1)}
.panel-badge{
  font-family:var(--mono);font-size:11px;color:var(--brand);
  padding:3px 9px;border-radius:999px;
  border:1px solid rgba(47,214,166,.32);background:rgba(47,214,166,.09);
}
.panel-figure{border-radius:12px;border:1px solid var(--line);overflow:hidden;background:rgba(8,14,21,.55)}
.panel-figure svg{display:block;width:100%;height:auto}
.hero-download{
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--bg-2);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-download-title{
  font-size:12.5px;color:var(--tx-3);letter-spacing:1px;
  padding:12px 18px 10px;border-bottom:1px solid var(--line);
}
.hd-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 18px;
  color:var(--tx-2);font-size:14px;
  border-bottom:1px solid var(--line);
  transition:background .22s ease,color .22s ease;
}
.hd-row:last-child{border-bottom:0}
.hd-row:hover{background:rgba(47,214,166,.07);color:var(--tx-1)}
.hd-type{font-family:var(--mono);font-size:11.5px;color:var(--accent);letter-spacing:.6px}

/* metric bar */
.metric-bar{
  position:relative;
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.028),transparent);
}
.metric-bar li{
  min-width:0;
  padding:22px 22px 24px;
  border-right:1px solid var(--line);
}
.metric-bar li:last-child{border-right:0}
.metric-num{
  font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);
  line-height:1.1;display:block;
}
.metric-label{display:block;margin-top:6px;font-size:13.5px;color:var(--tx-2)}

/* ---------- matrix ---------- */
.matrix-grid{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:18px;
  align-items:stretch;
}
.matrix-main{
  display:flex;flex-direction:column;gap:16px;
  padding:26px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(165deg,rgba(255,255,255,.065),rgba(255,255,255,.018));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  min-width:0;
}
.matrix-figure{
  border-radius:12px;border:1px solid var(--line);
  background:rgba(8,14,21,.5);overflow:hidden;margin-top:auto;
}
.matrix-figure svg{display:block;width:100%;height:auto}
.matrix-main h3{font-size:20px;line-height:1.4}
.matrix-main p{color:var(--tx-2);font-size:14.5px}
.matrix-side{display:flex;flex-direction:column;gap:18px;min-width:0}
.mini-card{
  flex:1;
  display:flex;flex-direction:column;gap:8px;min-width:0;
  padding:20px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.mini-card:hover{
  border-color:rgba(47,214,166,.35);
  box-shadow:0 12px 26px rgba(0,0,0,.3);
  transform:translateY(-2px);
}
.mini-card h4{font-size:16.5px;font-weight:600}
.mini-card p{font-size:14px;color:var(--tx-2)}
.card-icon{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(47,214,166,.28);
  background:rgba(47,214,166,.09);
  color:var(--brand);
  margin-bottom:2px;
}
.card-icon svg{width:19px;height:19px;display:block}

/* ---------- features strip ---------- */
.feature-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
}
.feature-strip li{
  min-width:0;
  padding:26px 24px 28px;
  border-right:1px solid var(--line);
}
.feature-strip li:last-child{border-right:0}
.feature-strip h3{font-size:17px;margin:14px 0 8px}
.feature-strip p{font-size:13.8px;color:var(--tx-2)}

/* ---------- flow ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
  position:relative;
}
.flow-step{
  min-width:0;
  padding:24px 18px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--bg-2);
  position:relative;
}
.flow-step::after{
  content:"";position:absolute;top:34px;right:-16px;width:16px;height:1px;
  background:linear-gradient(90deg,rgba(47,214,166,.7),rgba(47,214,166,0));
}
.flow-step:last-child::after{display:none}
.flow-num{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:13px;color:var(--brand);
  border:1px solid rgba(47,214,166,.45);
  box-shadow:0 0 14px rgba(47,214,166,.22);
  background:rgba(47,214,166,.06);
  margin-bottom:14px;
}
.flow-step h3{font-size:15.5px;line-height:1.45;margin-bottom:8px}
.flow-step p{font-size:13.5px;color:var(--tx-2)}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.plan-card{
  min-width:0;
  position:relative;
  padding:26px 24px 24px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(170deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.plan-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--brand),rgba(47,214,166,0));
}
.plan-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,214,166,.3);
  box-shadow:0 18px 38px rgba(0,0,0,.42),0 0 0 1px rgba(47,214,166,.12);
}
.plan-name{font-size:18px;margin-bottom:6px}
.plan-scene{font-size:13.5px;color:var(--tx-3);margin-bottom:18px}
.plan-list{display:flex;flex-direction:column;gap:11px}
.plan-list li{
  display:flex;gap:10px;font-size:14px;color:var(--tx-2);
  padding-bottom:11px;border-bottom:1px dashed rgba(255,255,255,.07);
}
.plan-list li:last-child{border-bottom:0;padding-bottom:0}
.plan-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;
  background:var(--brand);margin-top:9px;opacity:.8;
}
.note-line{margin-top:22px;font-size:12.8px;color:var(--tx-3)}

/* ---------- risk ---------- */
.risk-grid{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:32px;
  align-items:center;
}
.rule-list{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--bg-2);
  overflow:hidden;
}
.rule-row{
  display:grid;grid-template-columns:150px minmax(0,1fr);
  gap:16px;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  min-width:0;
}
.rule-row:last-child{border-bottom:0}
.rule-key{font-size:14px;font-weight:600;color:var(--tx-1)}
.rule-val{font-size:13.8px;color:var(--tx-2)}
.risk-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--accent);
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(245,179,60,.32);
  background:rgba(245,179,60,.08);
  margin-bottom:16px;
}
.gauge-wrap{display:flex;align-items:center;justify-content:center;padding:10px 0}
.gauge-wrap svg{width:100%;max-width:280px;height:auto;display:block}

/* ---------- download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dl-card{
  min-width:0;
  display:flex;flex-direction:column;gap:12px;
  padding:26px 24px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease;
}
.dl-card:hover{transform:translateY(-3px);border-color:rgba(245,179,60,.34)}
.dl-plat{font-size:18px}
.dl-file{font-family:var(--mono);font-size:12.5px;color:var(--tx-3)}
.dl-desc{font-size:13.8px;color:var(--tx-2);flex:1}
.dl-card .btn{margin-top:6px}
.dl-tip{margin-top:20px;font-size:13px;color:var(--tx-3);line-height:1.8}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.scene-card{
  min-width:0;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--bg-2);
  overflow:hidden;
  transition:border-color .22s ease,transform .22s ease;
}
.scene-card:hover{border-color:rgba(47,214,166,.3);transform:translateY(-2px)}
.scene-card.is-wide{grid-column:span 2}
.scene-figure{background:rgba(8,14,21,.6);border-bottom:1px solid var(--line)}
.scene-figure svg{display:block;width:100%;height:auto}
.scene-body{padding:16px 18px 18px}
.scene-body h3{font-size:15.5px;margin-bottom:6px}
.scene-body p{font-size:13.5px;color:var(--tx-2)}

/* ---------- roles ---------- */
.role-list{display:flex;flex-direction:column;gap:14px}
.role-item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr) auto;
  align-items:center;gap:18px;
  padding:18px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:border-color .22s ease,background .22s ease;
  min-width:0;
}
.role-item:hover{border-color:rgba(47,214,166,.3);background:#132536}
.role-name{font-size:15.5px;font-weight:600;margin-bottom:4px}
.role-desc{font-size:13.6px;color:var(--tx-2)}
.role-link{
  font-size:13.5px;font-weight:600;color:var(--brand);white-space:nowrap;
  padding:9px 16px;border-radius:8px;border:1px solid rgba(47,214,166,.3);
  transition:background .22s ease,border-color .22s ease,color .22s ease;
}
.role-link:hover{background:rgba(47,214,166,.1);color:#7CEBC8;border-color:rgba(47,214,166,.5)}

/* ---------- pain points ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.pain-item{
  min-width:0;
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
  padding:20px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--bg-2);
}
.pain-num{
  font-family:var(--mono);font-size:15px;color:var(--tx-3);
  border-right:1px solid var(--line);padding-right:12px;
}
.pain-item h3{font-size:15.5px;margin-bottom:6px;color:var(--tx-1)}
.pain-item p{font-size:13.6px;color:var(--tx-2)}
.pain-item p em{font-style:normal;color:var(--brand)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;background:transparent;border:0;cursor:pointer;
  text-align:left;color:var(--tx-1);font-size:16px;font-weight:600;line-height:1.6;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid #7CEBC8;outline-offset:3px}
.faq-arrow{
  flex:0 0 20px;width:20px;height:20px;color:var(--tx-3);
  transition:transform .2s ease,color .2s ease;
}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{
  padding:0 4px 22px 16px;
  border-left:2px solid rgba(47,214,166,.5);
  margin-left:2px;
  font-size:14.6px;color:var(--tx-2);line-height:1.85;
}
.faq-item.open .faq-q{color:var(--tx-1)}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.85fr);gap:28px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.news-card{
  display:block;min-width:0;
  padding:20px 20px 20px 0;
  border-bottom:1px solid var(--line);
  color:inherit;
  transition:background .22s ease,padding .22s ease;
}
.news-card:hover{background:rgba(255,255,255,.025);padding-left:14px}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:9px}
.tag{
  font-size:11.5px;color:var(--brand);
  padding:3px 10px;border-radius:999px;
  border:1px solid rgba(47,214,166,.3);
  background:rgba(47,214,166,.08);
}
.news-date{font-family:var(--mono);font-size:12px;color:var(--tx-3)}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--tx-1);
  margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand)}
.news-excerpt{
  font-size:13.8px;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:22px}
.news-side{display:flex;flex-direction:column;gap:16px;min-width:0}
.side-card{
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--bg-2);padding:20px;min-width:0;
}
.side-card h3{font-size:15.5px;margin-bottom:12px}
.side-card p{font-size:13.6px;color:var(--tx-2);margin-bottom:14px}
.side-links{display:flex;flex-direction:column;gap:9px}
.side-links a{font-size:13.6px;color:var(--tx-2);display:flex;gap:8px;align-items:flex-start}
.side-links a::before{content:"›";color:var(--brand);flex:0 0 auto}
.side-links a:hover{color:var(--brand)}
.empty-state{
  padding:32px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--tx-3);font-size:14px;text-align:center;
}

/* ---------- risk bar ---------- */
.risk-bar{
  background:linear-gradient(90deg,rgba(224,87,91,.12),rgba(224,87,91,0) 72%);
  border-top:1px solid rgba(224,87,91,.22);
  border-bottom:1px solid rgba(224,87,91,.22);
  padding:22px 0;
}
.risk-bar-inner{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.risk-icon{flex:0 0 auto;color:var(--danger)}
.risk-icon svg{width:22px;height:22px;display:block}
.risk-text{flex:1 1 320px;min-width:0;font-size:13.8px;color:var(--tx-2);line-height:1.8}
.risk-text strong{color:#F0898C;font-weight:600}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  padding:72px 0;
  text-align:center;
  background:
    radial-gradient(600px 260px at 50% 0%,rgba(47,214,166,.14),transparent 70%),
    var(--bg-1);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 70%);
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 70%);
  pointer-events:none;
}
.cta-inner{position:relative;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.cta-inner p{margin-top:14px;color:var(--tx-2);font-size:15px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- footer ---------- */
.site-footer{background:#060B11;border-top:1px solid var(--line);padding:56px 0 28px}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr) minmax(0,.9fr);
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{justify-self:start;margin-bottom:16px}
.footer-brand p{font-size:13.8px;color:var(--tx-2);max-width:420px;line-height:1.85}
.footer-col h3{font-size:14px;color:var(--tx-1);margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.8px;color:var(--tx-2)}
.footer-col a:hover{color:var(--tx-1);text-decoration:underline;text-underline-offset:4px}
.friend-links{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 18px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.fl-title{font-size:13px;color:var(--tx-3);letter-spacing:1px;flex:0 0 auto}
.fl-list{display:flex;flex-wrap:wrap;gap:10px 20px;min-width:0}
.fl-list a{font-size:13.4px;color:var(--tx-2)}
.fl-list a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{padding-top:24px;display:flex;flex-direction:column;gap:10px}
.footer-bottom .stmt{font-size:12.8px;color:var(--tx-3);line-height:1.85;max-width:960px}
.copyright{font-size:12.8px;color:var(--tx-3)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 22px}
  .nav-wrap{padding:10px 22px;gap:14px}
  .hero-inner{gap:32px}
}
@media (max-width:1024px){
  .section{padding:60px 0}
  .hero-inner{grid-template-columns:minmax(0,1fr);min-height:0}
  .hero-panel{max-width:560px}
  .metric-bar{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px}
  .metric-bar li:nth-child(2){border-right:0}
  .metric-bar li:nth-child(1),.metric-bar li:nth-child(2){border-bottom:1px solid var(--line)}
  .matrix-grid{grid-template-columns:minmax(0,1fr)}
  .feature-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-strip li:nth-child(2){border-right:0}
  .feature-strip li:nth-child(1),.feature-strip li:nth-child(2){border-bottom:1px solid var(--line)}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step::after{display:none}
  .plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .risk-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-card.is-wide{grid-column:span 2}
  .news-layout{grid-template-columns:minmax(0,1fr)}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr);gap:28px}
}
@media (max-width:991px){
  .nav-wrap{grid-template-columns:44px minmax(0,1fr) 44px;min-height:64px}
  .nav-left{display:none}
  .nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .brand{justify-self:center;text-align:center}
  .brand-mark{display:none}
  .brand-name{font-size:15.5px}
  .mobile-menu{display:block}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .hero{padding-top:44px}
  .hero h1{font-size:clamp(26px,6.6vw,34px)}
  .hero-lead{font-size:15px}
  .btn{height:46px;font-size:14.5px}
  .plan-grid{grid-template-columns:minmax(0,1fr)}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .pain-grid{grid-template-columns:minmax(0,1fr)}
  .role-item{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:16px 18px}
  .role-link{grid-column:1 / -1;justify-self:start;margin-top:4px}
  .rule-row{grid-template-columns:minmax(0,1fr);gap:6px;padding:14px 18px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:52px 0}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav-wrap{padding:8px 18px}
  .metric-bar{grid-template-columns:minmax(0,1fr)}
  .metric-bar li{border-right:0;border-bottom:1px solid var(--line);padding:16px 18px}
  .metric-bar li:last-child{border-bottom:0}
  .feature-strip{grid-template-columns:minmax(0,1fr)}
  .feature-strip li{border-right:0;border-bottom:1px solid var(--line);padding:20px 18px}
  .feature-strip li:last-child{border-bottom:0}
  .flow-grid{grid-template-columns:minmax(0,1fr)}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .scene-card.is-wide{grid-column:span 1}
  .pain-item{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:18px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .matrix-main{padding:20px}
  .mini-card{padding:18px}
  .plan-card{padding:22px 18px}
  .dl-card{padding:22px 18px}
  .news-card{padding:18px 0}
  .news-card:hover{padding-left:0;background:transparent}
}

/* roulang page: article */
:root{
  --bg-0:#080E15;
  --bg-1:#0C1622;
  --bg-2:#11202F;
  --brand:#2FD6A6;
  --brand-deep:#1BAF86;
  --brand-glow:rgba(47,214,166,.32);
  --accent:#F5B33C;
  --danger:#E0575B;
  --tx-1:#E9F0F7;
  --tx-2:#A6B6C6;
  --tx-3:#6E8093;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.045);
  --radius:14px;
  --radius-lg:16px;
  --shadow:0 12px 30px rgba(0,0,0,.35);
  --container:1200px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s cubic-bezier(.4,0,.2,1)}
a:hover{color:#7CEBC8}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(8,14,21,.78);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:72px;
  max-width:var(--container);
  margin:0 auto;
  padding:10px 24px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:24px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  color:var(--tx-2);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
}
.nav-link:hover{color:var(--tx-1)}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:var(--tx-1)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;text-align:left;color:var(--tx-1);
}
.brand:hover{color:var(--tx-1)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(47,214,166,.24),rgba(47,214,166,.04));
  border:1px solid rgba(47,214,166,.35);
  box-shadow:0 0 18px rgba(47,214,166,.18);
}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.3px;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--tx-3);letter-spacing:3px;white-space:nowrap}
.btn-nav{height:36px;padding:0 16px;font-size:13px;border-radius:8px}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:10px;
  color:var(--tx-1);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
  transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,16,24,.98);
  overflow:hidden;
  max-height:0;
  transition:max-height .28s ease;
}
.mobile-menu.open{max-height:420px}
.mobile-menu ul{list-style:none;padding:8px 0 16px;margin:0}
.mobile-menu li{border-bottom:1px solid var(--line)}
.mobile-menu li:last-child{border-bottom:0}
.mobile-menu a{
  display:flex;align-items:center;min-height:48px;padding:0 24px;
  color:var(--tx-2);font-size:15px;
}
.mobile-menu a:hover{color:var(--tx-1);background:rgba(255,255,255,.03)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:color .22s cubic-bezier(.4,0,.2,1),background .22s cubic-bezier(.4,0,.2,1),border-color .22s cubic-bezier(.4,0,.2,1),box-shadow .22s cubic-bezier(.4,0,.2,1),transform .22s cubic-bezier(.4,0,.2,1);
}
.btn-primary{
  background:linear-gradient(135deg,#34E0AE,#1BAF86);
  color:#04140F;
  box-shadow:0 8px 22px var(--brand-glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04140F}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px var(--brand-glow)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--tx-1)}
.btn-ghost:hover{border-color:rgba(47,214,166,.45);box-shadow:0 0 0 3px rgba(47,214,166,.08);color:var(--tx-1)}
.btn:focus-visible{outline:2px solid #7CEBC8;outline-offset:2px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;line-height:1;letter-spacing:.4px;color:var(--brand);
  border:1px solid rgba(47,214,166,.3);background:rgba(47,214,166,.1);
}
.badge-accent{color:var(--accent);border-color:rgba(245,179,60,.3);background:rgba(245,179,60,.1)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:32px 0 46px;
  background:
    radial-gradient(760px 340px at 88% -20%,rgba(47,214,166,.12),transparent 62%),
    radial-gradient(620px 300px at 4% 8%,rgba(47,214,166,.06),transparent 60%),
    var(--bg-0);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3)}
.crumbs a{color:var(--tx-2)}
.crumbs a:hover{color:var(--tx-1)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .current{color:var(--tx-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.32;
  max-width:920px;
  margin-top:16px;
  overflow-wrap:break-word;
  word-break:normal;
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:13px;color:var(--tx-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .mono{font-family:var(--mono);font-size:12px;color:var(--tx-2)}
.article-summary{
  max-width:920px;margin-top:26px;padding:16px 20px;
  background:var(--glass);border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--tx-2);font-size:14.5px;line-height:1.85;
  overflow-wrap:break-word;
}

/* ---------- article layout ---------- */
.article-section{padding:48px 0 72px;border-top:1px solid var(--line);background:var(--bg-0)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{min-width:0}
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0;position:sticky;top:92px}

/* ---------- article body ---------- */
.article-body{max-width:820px;font-size:16px;line-height:1.9;color:var(--tx-2);overflow-wrap:break-word;word-break:normal}
.article-body p{margin:0 0 1.2em}
.article-body h1,.article-body h2,.article-body h3,.article-body h4{color:var(--tx-1);line-height:1.45;overflow-wrap:break-word}
.article-body h2{font-size:22px;margin:2em 0 .8em;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.36em;width:4px;height:1em;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:18px;margin:1.7em 0 .7em}
.article-body h4{font-size:16px;margin:1.4em 0 .6em;color:var(--tx-1)}
.article-body a{color:var(--brand)}
.article-body a:hover{text-decoration:underline;text-underline-offset:4px}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--glass);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--tx-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;border:1px solid var(--line);margin:1.4em 0}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;margin:1.4em 0;font-size:14.5px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{color:var(--tx-1);background:rgba(255,255,255,.04);font-weight:600;white-space:nowrap}
.article-body tr:last-child td{border-bottom:0}
.article-body code{font-family:var(--mono);font-size:13px;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;color:#9FE9D2}
.article-body pre{
  margin:1.4em 0;padding:16px 18px;background:#0A1420;border:1px solid var(--line);
  border-radius:12px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:var(--tx-2)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- empty state ---------- */
.article-empty{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 26px;text-align:center;box-shadow:var(--shadow);
}
.article-empty h2{font-size:20px;color:var(--tx-1);margin-bottom:12px}
.article-empty p{color:var(--tx-2);font-size:14.5px;max-width:520px;margin:0 auto 22px}

/* ---------- side cards ---------- */
.side-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.side-card h2{font-size:15px;color:var(--tx-1);margin-bottom:14px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.75;color:var(--tx-2);margin-bottom:12px}
.side-list li:last-child{margin-bottom:0}
.side-list li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;background:var(--brand);opacity:.85}

.dl-card{
  position:relative;overflow:hidden;
  background:linear-gradient(158deg,rgba(47,214,166,.14),rgba(255,255,255,.035));
  border:1px solid rgba(47,214,166,.28);
  border-radius:var(--radius-lg);padding:22px;
  box-shadow:0 14px 34px rgba(0,0,0,.38);
}
.dl-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(45deg,rgba(255,255,255,.08),transparent 55%);
  opacity:.5;
}
.dl-card h2{position:relative;font-size:16px;color:var(--tx-1);margin-bottom:6px}
.dl-card .dl-note{position:relative;font-size:12.5px;color:var(--tx-3);margin-bottom:16px}
.dl-btn{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 16px;margin-bottom:10px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);background:rgba(9,17,26,.55);
  color:var(--tx-1);font-size:14px;font-weight:600;
  transition:background .22s ease,border-color .22s ease,transform .22s ease,color .22s ease;
}
.dl-btn:last-of-type{margin-bottom:0}
.dl-btn:hover{background:rgba(47,214,166,.14);border-color:rgba(47,214,166,.5);color:var(--tx-1);transform:translateY(-1px)}
.dl-btn:active{transform:translateY(0)}
.dl-btn:focus-visible{outline:2px solid #7CEBC8;outline-offset:2px}
.dl-btn .dl-type{font-family:var(--mono);font-size:12px;color:var(--tx-3);font-weight:400}
.dl-btn:hover .dl-type{color:var(--brand)}

/* ---------- risk block ---------- */
.risk-block{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:40px;padding:18px 20px;border-radius:var(--radius);
  background:linear-gradient(90deg,rgba(224,87,91,.14),rgba(224,87,91,0) 88%);
  border:1px solid rgba(224,87,91,.28);
}
.risk-block .risk-ico{flex:0 0 22px;margin-top:2px;color:var(--danger)}
.risk-block .risk-ico svg{width:22px;height:22px;display:block}
.risk-block p{font-size:13.5px;line-height:1.8;color:var(--tx-2)}
.risk-block strong{color:#F3A3A5;font-weight:600}

/* ---------- related ---------- */
.related{margin-top:44px;padding-top:34px;border-top:1px solid var(--line)}
.related h2{font-size:20px;color:var(--tx-1);margin-bottom:20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.rel-card{
  display:flex;flex-direction:column;gap:10px;min-width:0;
  padding:18px;border-radius:var(--radius);
  background:var(--bg-2);border:1px solid var(--line);color:var(--tx-1);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.rel-card:hover{
  border-color:rgba(47,214,166,.42);transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(0,0,0,.4);color:var(--tx-1);
}
.rel-card h3{font-size:15px;line-height:1.55;color:var(--tx-1);overflow-wrap:break-word}
.rel-card p{
  font-size:13px;line-height:1.7;color:var(--tx-3);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .rel-more{font-size:12.5px;font-weight:600;color:var(--brand);margin-top:auto}

/* ---------- back bar ---------- */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.back-bar .back-note{font-size:13px;color:var(--tx-3);max-width:520px}
.back-bar .back-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:#060B11;border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--tx-3);font-size:13.5px;line-height:1.85;margin-top:16px;max-width:440px}
.footer-col h3{font-size:14px;color:var(--tx-1);margin-bottom:14px;letter-spacing:.3px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--tx-2);font-size:14px}
.footer-col a:hover{color:var(--tx-1);text-decoration:underline;text-underline-offset:4px}
.friend-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line)}
.fl-title{font-size:13px;color:var(--tx-3)}
.fl-list{display:flex;flex-wrap:wrap;gap:10px 18px;min-height:1px}
.fl-list a{font-size:13px;color:var(--tx-2)}
.fl-list a:hover{color:var(--tx-1);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.stmt{font-size:12.5px;color:var(--tx-3);line-height:1.85;margin-bottom:14px}
.copyright{font-size:12.5px;color:var(--tx-3)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:34px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-left{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-menu{display:block}
  .nav-wrap{grid-template-columns:auto 1fr auto;gap:12px;padding:10px 18px}
  .brand{justify-self:center}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-hero{padding:24px 0 36px}
  .article-section{padding:36px 0 56px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .article-summary{padding:14px 16px;font-size:14px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer{padding:44px 0 24px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .back-bar{flex-direction:column;align-items:flex-start}
  .back-bar .back-actions{width:100%}
  .back-bar .back-actions .btn{flex:1 1 auto;min-height:44px}
}
@media (max-width:560px){
  .article-side{grid-template-columns:minmax(0,1fr)}
  .brand-name{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:2px}
  .btn-nav{height:34px;padding:0 12px;font-size:12.5px}
  .article-title{font-size:24px}
  .risk-block{flex-direction:column;gap:10px}
  .dl-btn{min-height:46px}
}

/* roulang page: category1 */
:root{
  --bg-0:#080E15;
  --bg-1:#0C1622;
  --bg-2:#11202F;
  --brand:#2FD6A6;
  --brand-deep:#1BAF86;
  --brand-glow:rgba(47,214,166,.32);
  --accent:#F5B33C;
  --danger:#E0575B;
  --tx-1:#E9F0F7;
  --tx-2:#A6B6C6;
  --tx-3:#6E8093;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.045);
  --radius:14px;
  --radius-lg:16px;
  --shadow:0 12px 30px rgba(0,0,0,.35);
  --container:1200px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s cubic-bezier(.4,0,.2,1)}
a:hover{color:#7CEBC8}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(8,14,21,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:72px;
  max-width:var(--container);
  margin:0 auto;
  padding:10px 24px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:24px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  color:var(--tx-2);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
}
.nav-link:hover{color:var(--tx-1)}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:var(--tx-1)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;text-align:left;color:var(--tx-1);
}
.brand:hover{color:var(--tx-1)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(47,214,166,.24),rgba(47,214,166,.04));
  border:1px solid rgba(47,214,166,.35);
  box-shadow:0 0 18px rgba(47,214,166,.18);
}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.3px}
.brand-sub{font-size:11px;color:var(--tx-3);letter-spacing:3px}
.btn-nav{height:36px;padding:0 16px;font-size:13px;border-radius:8px}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:10px;
  color:var(--tx-1);cursor:pointer;flex:0 0 44px;
  transition:border-color .22s ease,background .22s ease;
}
.nav-toggle:hover{border-color:rgba(47,214,166,.4);background:rgba(255,255,255,.04)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
  transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,16,24,.98);
  overflow:hidden;
  max-height:0;
  transition:max-height .28s ease;
}
.mobile-menu.open{max-height:460px}
.mobile-menu li{border-bottom:1px solid var(--line)}
.mobile-menu li:last-child{border-bottom:0}
.mobile-menu a{
  display:flex;align-items:center;min-height:48px;padding:0 24px;
  color:var(--tx-2);font-size:15px;
}
.mobile-menu a:hover{color:var(--tx-1);background:rgba(255,255,255,.03)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:color .22s cubic-bezier(.4,0,.2,1),background .22s cubic-bezier(.4,0,.2,1),border-color .22s cubic-bezier(.4,0,.2,1),box-shadow .22s cubic-bezier(.4,0,.2,1),transform .22s cubic-bezier(.4,0,.2,1);
}
.btn-primary{
  background:linear-gradient(135deg,#34E0AE,#1BAF86);
  color:#04140F;
  box-shadow:0 8px 22px var(--brand-glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04140F}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px var(--brand-glow)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--tx-1)}
.btn-ghost:hover{border-color:rgba(47,214,166,.45);box-shadow:0 0 0 3px rgba(47,214,166,.08);color:var(--tx-1)}
.btn-amber{
  background:linear-gradient(135deg,#F7C35F,#E09A20);
  color:#1A1204;
  box-shadow:0 8px 20px rgba(245,179,60,.24);
}
.btn-amber:hover{filter:brightness(1.06);transform:translateY(-1px);color:#1A1204}
.btn-amber:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid #7CEBC8;outline-offset:2px}
.btn-block{width:100%}

/* ---------- section ---------- */
main{display:block}
.section{padding:76px 0;border-top:1px solid var(--line)}
.section--alt{background:var(--bg-1)}
.section--tight{padding:52px 0}
.section-head{max-width:800px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,2.4vw,30px);line-height:1.32}
.section-head p{margin-top:14px;color:var(--tx-2);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.5px;color:var(--brand);
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(47,214,166,.3);
  background:rgba(47,214,166,.08);
  margin-bottom:16px;
}

/* ---------- 分类页顶部 ---------- */
.cat-top{padding:26px 0 0;background:var(--bg-0)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--tx-3)}
.breadcrumb a{color:var(--tx-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.55}
.cat-banner{
  position:relative;
  margin-top:16px;
  padding:34px 30px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:
    linear-gradient(155deg,rgba(47,214,166,.1),rgba(255,255,255,.015) 55%),
    var(--bg-1);
  overflow:hidden;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
  opacity:.55;
}
.cat-banner > *{position:relative;z-index:1}
.cat-banner h1{font-size:clamp(24px,3vw,36px);line-height:1.32;max-width:900px}
.cat-lead{margin-top:14px;color:var(--tx-2);font-size:15.5px;max-width:860px}
.cat-meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.badge{
  font-size:12px;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(47,214,166,.3);background:rgba(47,214,166,.09);color:var(--brand);
  white-space:nowrap;
}
.badge--amber{border-color:rgba(245,179,60,.32);background:rgba(245,179,60,.1);color:var(--accent)}
.badge--plain{border-color:var(--line-strong);background:rgba(255,255,255,.04);color:var(--tx-2)}

/* ---------- 要点速览 ---------- */
.facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.fact{
  min-width:0;padding:16px 16px 15px;
  border:1px solid var(--line);border-radius:12px;background:var(--bg-2);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.fact:hover{border-color:rgba(47,214,166,.32);transform:translateY(-3px);box-shadow:0 12px 24px rgba(0,0,0,.32)}
.fact h3{font-size:14px;margin-bottom:6px}
.fact p{font-size:13px;color:var(--tx-3);line-height:1.7}

/* ---------- 方案说明 ---------- */
.plan-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
.plan-text p{color:var(--tx-2);font-size:15.5px;margin-bottom:16px}
.plan-text p:last-child{margin-bottom:0}
.plan-text strong{color:var(--tx-1);font-weight:600}
.rule-panel{
  min-width:0;
  padding:22px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.gauge-wrap{display:flex;align-items:center;gap:16px;padding-bottom:16px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.gauge-wrap svg{width:86px;height:86px;flex:0 0 86px}
.gauge-cap{min-width:0}
.gauge-cap h3{font-size:14.5px;margin-bottom:4px}
.gauge-cap p{font-size:12.5px;color:var(--tx-3);line-height:1.7}
.rule-list li{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.rule-list li:last-child{border-bottom:0;padding-bottom:0}
.rule-k{font-size:13.5px;font-weight:600;color:var(--brand);word-break:break-word}
.rule-v{font-size:13.5px;color:var(--tx-2);line-height:1.7;min-width:0}

/* ---------- 列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;min-width:0;
  padding:22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--bg-2);color:var(--tx-1);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{
  transform:translateY(-3px);
  border-color:rgba(47,214,166,.35);
  box-shadow:0 14px 30px rgba(0,0,0,.4);
  color:var(--tx-1);
}
.post-card:focus-visible{outline:2px solid #7CEBC8;outline-offset:2px}
.post-title{font-size:16.5px;line-height:1.5;letter-spacing:-.2px}
.post-sum{
  font-size:14px;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:12px;color:var(--tx-3);
}
.tag{
  font-size:12px;padding:3px 10px;border-radius:999px;
  border:1px solid rgba(47,214,166,.28);background:rgba(47,214,166,.08);color:var(--brand);
  white-space:nowrap;
}
.empty-tip{
  padding:28px 22px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  background:rgba(255,255,255,.02);color:var(--tx-2);font-size:14.5px;text-align:center;
}

/* ---------- 核对顺序 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.step{
  min-width:0;padding:22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--bg-1);position:relative;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;margin-bottom:12px;
  font-family:var(--mono);font-size:13px;color:var(--brand);
  border:1px solid rgba(47,214,166,.35);background:rgba(47,214,166,.08);
  box-shadow:0 0 14px rgba(47,214,166,.16);
}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--tx-3);line-height:1.75}

/* ---------- 术语 ---------- */
.term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.term{
  min-width:0;padding:20px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--bg-2);
  border-left:2px solid rgba(47,214,166,.55);
}
.term h3{font-size:15.5px;margin-bottom:8px}
.term p{font-size:13.5px;color:var(--tx-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:var(--bg-1);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:transparent;border:0;
  color:var(--tx-1);font-size:15px;font-weight:600;text-align:left;cursor:pointer;
  transition:background .22s ease;
}
.faq-q:hover{background:rgba(255,255,255,.03)}
.faq-q .ico{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-q .ico::before,.faq-q .ico::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-q .ico::before{left:0;top:9px;width:20px;height:2px}
.faq-q .ico::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-q .ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 18px 18px;font-size:14.5px;color:var(--tx-2);line-height:1.8}
.faq-item.open{border-color:rgba(47,214,166,.28);background:var(--bg-1)}
.faq-item.open .faq-q{box-shadow:inset 2px 0 0 var(--brand)}

/* ---------- 下载 ---------- */
.dl-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.dl-card{
  position:relative;display:flex;flex-direction:column;gap:12px;min-width:0;
  padding:22px;border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow);overflow:hidden;
}
.dl-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,214,166,.75),rgba(47,214,166,0));
}
.dl-card h3{font-size:16px}
.dl-card p{font-size:13px;color:var(--tx-2);line-height:1.7}
.dl-btn{margin-top:auto}

/* ---------- 风险条 ---------- */
.risk-strip{padding:0 0 0}
.risk-inner{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  padding:16px 20px;border-radius:12px;
  border:1px solid rgba(224,87,91,.28);
  background:linear-gradient(90deg,rgba(224,87,91,.14),rgba(224,87,91,0));
}
.risk-left{display:flex;align-items:flex-start;gap:12px;min-width:0;flex:1 1 420px}
.risk-left svg{width:20px;height:20px;flex:0 0 20px;margin-top:3px}
.risk-left p{font-size:13.5px;color:var(--tx-2);line-height:1.75}
.risk-inner .btn{height:40px;font-size:13.5px;padding:0 18px}

/* ---------- footer ---------- */
.site-footer{background:#060B11;border-top:1px solid var(--line);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{min-width:0}
.footer-brand p{margin-top:16px;color:var(--tx-2);font-size:14px;line-height:1.8;max-width:520px}
.footer-col{min-width:0}
.footer-col h3{font-size:14px;color:var(--tx-1);margin:0 0 14px;font-weight:600;letter-spacing:0}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--tx-2);font-size:14px}
.footer-col a:hover{color:var(--tx-1);text-decoration:underline;text-underline-offset:4px}
.friend-links{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:baseline;
}
.fl-title{font-size:13px;color:var(--tx-3)}
.fl-list{display:flex;flex-wrap:wrap;gap:14px}
.fl-list a{font-size:13px;color:var(--tx-2)}
.fl-list a:hover{color:var(--tx-1);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.stmt{font-size:12.5px;color:var(--tx-3);line-height:1.85}
.copyright{font-size:12.5px;color:var(--tx-3);margin-top:12px}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .facts{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1024px){
  .plan-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-left .nav-link{display:none}
  .mobile-menu{display:block}
  .brand-name{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:2px}
  .section{padding:56px 0}
  .section--tight{padding:40px 0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-wrap{padding:8px 18px;min-height:66px;gap:10px}
  .cat-banner{padding:26px 20px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .term-grid{grid-template-columns:minmax(0,1fr)}
  .dl-strip{grid-template-columns:minmax(0,1fr)}
  .rule-list li{grid-template-columns:84px minmax(0,1fr);gap:10px}
  .section{padding:44px 0}
  .btn{width:100%}
  .nav-right .btn{width:auto;height:36px;padding:0 14px;font-size:13px}
  .dl-btn{min-height:44px}
  .risk-inner .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){
  .facts{grid-template-columns:minmax(0,1fr)}
  .cat-banner h1{font-size:22px}
  .gauge-wrap{flex-direction:column;align-items:flex-start}
}