/* roulang page: index */
:root{
  --bg:#05080F;
  --bg-2:#0A1020;
  --bg-3:#070C18;
  --panel:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(42,224,200,.45);
  --brand:#2AE0C8;
  --brand-hover:#5BF5E2;
  --brand-active:#17B8A6;
  --brand-2:#6D6BFF;
  --accent:#FFB03A;
  --text:#EAF2FF;
  --muted:#9FB0CC;
  --weak:#64748F;
  --glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --radius-card:18px;
  --radius-panel:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 8% -6%, rgba(42,224,200,.08), transparent 62%),
    radial-gradient(760px 560px at 96% 8%, rgba(109,107,255,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease);}
a:hover{color:var(--brand-hover);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container-x{padding:0 32px;}}
@media (min-width:1024px){.container-x{padding:0 48px;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 8px;}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(10,16,32,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-1);
  transition:padding .26s var(--ease),background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled .nav-shell{
  padding:7px 12px 7px 16px;
  background:rgba(7,12,24,.9);
  box-shadow:var(--shadow-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(42,224,200,.24),rgba(109,107,255,.26));
  border:1px solid rgba(42,224,200,.4);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  display:inline-block;padding:8px 13px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{
  color:#03110F;background:var(--brand);font-weight:700;
  box-shadow:0 6px 18px rgba(42,224,200,.24);
}
.nav-link.is-active:hover{color:#03110F;background:var(--brand-hover);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-ghost{font-size:14.5px;color:var(--muted);white-space:nowrap;}
.nav-ghost:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;place-items:center;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-hover);background:rgba(42,224,200,.1);}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:currentColor;}
.nav-toggle span+span{margin-top:4px;}

.mobile-drawer{
  display:none;margin-top:10px;padding:16px;
  border-radius:var(--radius-panel);
  background:rgba(10,16,32,.95);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-2);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:11px 12px;border-radius:12px;font-size:15px;color:var(--muted);
}
.mobile-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text);}
.mobile-drawer a.is-active{color:#03110F;background:var(--brand);font-weight:700;}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .26s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--brand);color:#03110F;
  box-shadow:0 0 0 1px rgba(42,224,200,.5),0 12px 32px rgba(42,224,200,.22);
}
.btn-primary:hover{background:var(--brand-hover);color:#03110F;filter:brightness(1.04);box-shadow:0 0 0 1px rgba(91,245,226,.6),0 16px 38px rgba(42,224,200,.3);}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--brand);background:rgba(42,224,200,.07);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.04);
}
.tag-brand{color:var(--brand);border-color:rgba(42,224,200,.36);background:rgba(42,224,200,.1);}
.tag-purple{color:#B4B3FF;border-color:rgba(109,107,255,.4);background:rgba(109,107,255,.12);}
.tag-accent{color:var(--accent);border-color:rgba(255,176,58,.4);background:rgba(255,176,58,.1);}
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:grid;gap:14px;margin-bottom:38px;}
@media (min-width:900px){
  .section-head{grid-template-columns:1.15fr .85fr;align-items:end;gap:32px;}
}
.section-title{font-size:30px;font-weight:700;}
@media (min-width:1024px){.section-title{font-size:36px;}}
.section-desc{color:var(--muted);font-size:15.5px;max-width:640px;line-height:1.85;}

.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.card-hover:hover{
  transform:translateY(-4px);
  border-color:var(--line-hover);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--shadow-2);
}

/* ---------- Hero ---------- */
.hero{padding:26px 0 56px;}
@media (min-width:1024px){.hero{padding:34px 0 96px;}}
.hero-grid{display:grid;gap:40px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:52px;}
}
.hero h1{
  font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1.16;
}
@media (min-width:768px){.hero h1{font-size:46px;}}
@media (min-width:1024px){.hero h1{font-size:52px;}}
.hero h1 .hl{
  color:var(--brand);
  background:linear-gradient(180deg,transparent 62%,rgba(42,224,200,.2) 62%);
  padding:0 2px;
}
.hero-sub{
  margin-top:18px;color:var(--muted);font-size:17px;line-height:1.85;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 22px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
@media (min-width:640px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat-num{font-family:var(--mono);font-size:23px;font-weight:700;color:var(--brand);}
.stat-label{font-size:13px;color:var(--weak);margin-top:2px;}

.hero-panel{
  position:relative;padding:18px;border-radius:var(--radius-panel);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--shadow-2);
  overflow:hidden;
}
.hero-panel::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:22px 22px,22px 22px;
  mask-image:linear-gradient(180deg,transparent,#000);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000);
  pointer-events:none;
}
.hero-media{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:rgba(0,0,0,.35);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-float{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:14px;
  background:rgba(10,16,32,.86);border:1px solid var(--line);
  backdrop-filter:blur(12px);box-shadow:var(--shadow-1);
  font-size:13px;
}
.hero-float .dot{
  width:8px;height:8px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(42,224,200,.16);
}
.hero-float-1{top:34px;right:-6px;}
.hero-float-2{bottom:74px;left:-6px;display:block;}
.hero-float-2 .fnum{font-family:var(--mono);font-size:18px;color:var(--brand);font-weight:700;}

/* ---------- 价值主张横条 ---------- */
.value-bar{
  display:grid;gap:16px;padding:22px 24px;border-radius:var(--radius-panel);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  backdrop-filter:blur(12px);
}
@media (min-width:768px){.value-bar{grid-template-columns:repeat(3,1fr);gap:26px;align-items:center;}}
.value-item{display:flex;gap:12px;align-items:flex-start;}
.value-ico{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(42,224,200,.3);background:rgba(42,224,200,.09);color:var(--brand);
}
.value-ico svg{width:18px;height:18px;}
.value-title{font-size:15px;font-weight:700;}
.value-text{font-size:13.5px;color:var(--weak);margin-top:2px;}

/* ---------- Bento 功能网格 ---------- */
.bento{display:grid;gap:20px;}
@media (min-width:900px){
  .bento{grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(0,auto);}
  .bento-wide{grid-column:span 4;}
  .bento-tall{grid-column:span 2;}
  .bento-half{grid-column:span 3;}
  .bento-third{grid-column:span 2;}
}
.bento-card{padding:26px;display:flex;flex-direction:column;gap:12px;}
.bento-card h3{font-size:21px;font-weight:600;}
.bento-card p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.bento-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  border:1px solid rgba(42,224,200,.3);background:rgba(42,224,200,.08);color:var(--brand);
}
.bento-ico.is-purple{border-color:rgba(109,107,255,.36);background:rgba(109,107,255,.12);color:#B4B3FF;}
.bento-ico svg{width:21px;height:21px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);margin-top:auto;
}
.link-more svg{width:14px;height:14px;transition:transform .24s var(--ease);}
.link-more:hover svg{transform:translateX(3px);}
.bento-media{border-radius:14px;overflow:hidden;border:1px solid var(--line);margin-top:4px;}
.bento-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 场景交替图文 ---------- */
.scene{display:grid;gap:28px;align-items:center;padding:26px;border-radius:var(--radius-panel);}
@media (min-width:960px){
  .scene{grid-template-columns:1fr 1fr;gap:44px;padding:34px;}
  .scene.reverse .scene-media{order:2;}
}
.scene-media{border-radius:20px;overflow:hidden;border:1px solid var(--line);position:relative;}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-media::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  pointer-events:none;
}
.scene-index{font-family:var(--mono);font-size:13px;color:var(--brand);letter-spacing:.1em;}
.scene h3{font-size:23px;font-weight:600;margin-top:8px;}
.scene p{color:var(--muted);font-size:15px;margin-top:12px;max-width:560px;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ---------- 案例 ---------- */
.case-rail{
  display:grid;gap:20px;
  grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);
  overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;
}
.case-rail::-webkit-scrollbar{height:6px;}
.case-rail::-webkit-scrollbar-thumb{background:rgba(42,224,200,.3);border-radius:999px;}
@media (min-width:1024px){
  .case-rail{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow:visible;}
}
.case-card{padding:24px;scroll-snap-align:start;display:flex;flex-direction:column;gap:14px;}
.case-avatar{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#03110F;background:linear-gradient(140deg,var(--brand),#B4B3FF);
}
.case-concl{font-size:15.5px;color:var(--text);line-height:1.8;}
.case-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:14px;border-top:1px solid var(--line);}
.case-metric .m{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--brand);}
.case-metric .k{font-size:12.5px;color:var(--weak);}

/* ---------- 方案三档 ---------- */
.plans{display:grid;gap:22px;}
@media (min-width:768px){.plans{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.plans{grid-template-columns:repeat(3,1fr);align-items:center;}}
.plan{padding:28px;display:flex;flex-direction:column;gap:16px;position:relative;}
.plan-featured{
  border-color:rgba(42,224,200,.5);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 0 1px rgba(42,224,200,.32),0 16px 44px rgba(42,224,200,.16);
}
@media (min-width:1024px){.plan-featured{transform:scale(1.03);}}
.plan-badge{
  position:absolute;top:-13px;left:28px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--accent);color:#231500;
}
.plan-name{font-size:17px;font-weight:700;}
.plan-desc{font-size:13.5px;color:var(--weak);}
.plan-price{display:flex;align-items:baseline;gap:4px;font-family:var(--mono);}
.plan-price .cur{font-size:15px;color:var(--muted);}
.plan-price .num{font-size:38px;font-weight:700;color:var(--text);}
.plan-price .unit{font-size:13px;color:var(--weak);}
.plan-list{display:grid;gap:10px;margin-top:2px;}
.plan-list li{display:flex;gap:9px;font-size:14px;color:var(--muted);align-items:flex-start;}
.plan-list svg{width:15px;height:15px;flex:0 0 auto;margin-top:5px;color:var(--brand);}
.plan .btn{margin-top:auto;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;gap:20px;}
@media (min-width:900px){.news-grid{grid-template-columns:repeat(2,1fr);}}
.news-feature{
  display:grid;gap:0;overflow:hidden;border-radius:var(--radius-card);
  grid-column:1/-1;
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  color:inherit;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--shadow-2);color:inherit;}
@media (min-width:900px){.news-feature{grid-template-columns:5fr 7fr;}}
.news-feature-media{overflow:hidden;background:rgba(0,0,0,.3);}
.news-feature-media img{width:100%;height:100%;min-height:220px;object-fit:cover;}
.news-feature-body{padding:28px;display:flex;flex-direction:column;gap:12px;}
.news-feature-body h3{font-size:23px;font-weight:600;color:var(--text);}
.news-feature-body p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.news-row{
  display:flex;flex-direction:column;gap:10px;
  padding:22px 24px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  color:inherit;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-row:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--shadow-2);color:inherit;}
.news-row h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.55;}
.news-row p{color:var(--muted);font-size:14px;line-height:1.8;}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:12.5px;color:var(--weak);}
.news-empty{
  padding:44px 26px;text-align:center;border-radius:var(--radius-panel);
  background:rgba(255,255,255,.03);border:1px dashed var(--line);
}
.news-empty p{color:var(--muted);font-size:15px;}
.news-empty a{display:inline-block;margin-top:12px;font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item.is-open{border-color:rgba(42,224,200,.42);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 0 1px rgba(42,224,200,.22);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand);
  font-size:16px;line-height:1;
  transition:transform .26s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:rgba(42,224,200,.14);}
.faq-a{display:none;padding:0 24px 20px;color:var(--muted);font-size:15px;line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 表单 ---------- */
.form-panel{padding:28px;border-radius:var(--radius-panel);}
@media (min-width:900px){.form-panel{padding:36px;}}
.form-grid{display:grid;gap:18px;}
@media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr;}}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1/-1;}
.field label{font-size:13.5px;color:var(--muted);font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.field textarea{min-height:130px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--weak);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(42,224,200,.05);
  box-shadow:0 0 0 3px rgba(42,224,200,.16);
}
.field select option{background:#0A1020;color:var(--text);}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;}
.form-note{font-size:12.5px;color:var(--weak);}
.form-msg{font-size:13.5px;color:var(--brand);display:none;}
.form-msg.is-show{display:block;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  display:grid;gap:22px;align-items:center;
  padding:32px;border-radius:var(--radius-panel);
  border:1px solid rgba(42,224,200,.24);
  background:
    linear-gradient(120deg,rgba(42,224,200,.16),rgba(109,107,255,.18)),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:auto,26px 26px,26px 26px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
@media (min-width:900px){
  .cta-band{grid-template-columns:1fr auto;padding:38px 42px;gap:34px;}
}
.cta-band h2{font-size:26px;font-weight:700;}
@media (min-width:1024px){.cta-band h2{font-size:30px;}}
.cta-band p{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:56px;padding:56px 0 26px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
@media (min-width:1024px){.site-footer{padding:72px 0 30px;margin-top:96px;}}
.footer-grid{display:grid;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);margin-bottom:14px;}
.footer-text{font-size:13.5px;color:var(--weak);line-height:1.85;max-width:300px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--weak);display:inline-block;}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  font-size:13px;color:var(--weak);
}

@media (max-width:1023px){
  .nav-links,.nav-ghost{display:none;}
  .nav-toggle{display:grid;}
}
@media (max-width:560px){
  .hero h1{font-size:31px;}
  .section-title{font-size:26px;}
  .brand-text{font-size:14.5px;}
  .nav-shell{padding:9px 12px;}
  .hero-float-1{right:8px;top:18px;}
  .hero-float-2{left:8px;bottom:58px;}
  .cta-band{padding:24px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --bg:#05080F;
  --bg-2:#0A1020;
  --bg-3:#070C18;
  --panel:rgba(255,255,255,.05);
  --brand:#2AE0C8;
  --brand-hover:#5BF5E2;
  --brand-press:#17B8A6;
  --brand-2:#6D6BFF;
  --accent:#FFB03A;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(42,224,200,.45);
  --radius-card:18px;
  --radius-panel:24px;
  --radius-pill:999px;
  --radius-field:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --shadow-glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
  background-image:
    radial-gradient(circle at 12% 6%, rgba(42,224,200,.08), transparent 42%),
    radial-gradient(circle at 88% 22%, rgba(109,107,255,.07), transparent 46%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, auto, 40px 40px, 40px 40px;
}
img{max-width:100%;display:block;border-radius:16px;}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease), transform .24s var(--ease), opacity .24s var(--ease);}
a:hover{color:var(--brand-hover);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .container-x{padding:0 32px;} }
@media (min-width:1024px){ .container-x{padding:0 48px;} }

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  padding:18px 0 0;
  transition:padding .26s var(--ease);
}
.nav-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:12px 16px 12px 20px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(10,16,32,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-1);
  transition:padding .26s var(--ease), background .26s var(--ease), box-shadow .26s var(--ease);
}
.site-header.is-scrolled{padding-top:10px;}
.site-header.is-scrolled .nav-shell{
  padding:8px 14px 8px 16px;
  background:rgba(7,12,24,.92);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:linear-gradient(140deg, rgba(42,224,200,.16), rgba(109,107,255,.14));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:2px;}
.nav-link{
  display:inline-block;
  padding:8px 13px;
  border-radius:var(--radius-pill);
  color:var(--text-2);
  font-size:14px;
  white-space:nowrap;
  transition:color .24s var(--ease), background .24s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{
  color:#04120F;
  background:var(--brand);
  box-shadow:0 0 0 1px rgba(42,224,200,.5), 0 8px 20px rgba(42,224,200,.2);
  font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-ghost{display:none;font-size:14px;color:var(--text-2);}
.nav-ghost:hover{color:var(--brand);}
.nav-toggle{
  width:42px;height:42px;
  display:grid;place-items:center;gap:4px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  cursor:pointer;
  transition:border-color .24s var(--ease), background .24s var(--ease);
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--text);border-radius:2px;transition:transform .24s var(--ease), opacity .24s var(--ease);}
.nav-toggle:hover{border-color:var(--line-hover);background:rgba(42,224,200,.1);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}
.mobile-drawer{
  display:none;
  flex-direction:column;
  gap:4px;
  margin-top:12px;
  padding:14px;
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:rgba(7,12,24,.96);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-2);
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  padding:12px 14px;
  border-radius:var(--radius-field);
  color:var(--text-2);
  font-size:15px;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text);}
.mobile-drawer a.is-active{background:rgba(42,224,200,.14);color:var(--brand);font-weight:600;}
@media (min-width:1080px){
  .nav-links{display:flex;}
  .nav-ghost{display:inline-block;}
  .nav-toggle{display:none;}
  .mobile-drawer{display:none !important;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  background:var(--brand);
  color:#04120F;
  box-shadow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
}
.btn-primary:hover{background:var(--brand-hover);color:#04120F;transform:translateY(-2px);}
.btn-primary:active{background:var(--brand-press);transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--text);transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.4);}
.btn-ghost:active{transform:translateY(1px);}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(42,224,200,.28);
  background:rgba(42,224,200,.1);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.tag-violet{
  border-color:rgba(109,107,255,.32);
  background:rgba(109,107,255,.12);
  color:#B9B8FF;
}
.tag-amber{
  border-color:rgba(255,176,58,.32);
  background:rgba(255,176,58,.12);
  color:var(--accent);
}

/* ---------- 文章页布局 ---------- */
.page-main{padding-top:132px;padding-bottom:96px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.2);}
.breadcrumb .current{color:var(--text-3);}

.article-head{
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,.1);
  padding:34px 28px;
  position:relative;
  overflow:hidden;
}
.article-head::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg, rgba(42,224,200,.7), rgba(109,107,255,.35), transparent);
}
.article-head h1{
  font-size:clamp(26px,4.4vw,42px);
  font-weight:800;
  letter-spacing:-.02em;
  margin:16px 0 14px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  color:var(--text-3);
  font-size:13px;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}

.article-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  margin-top:36px;
}
.article-body{
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,.08);
  padding:32px 24px;
}
.article-body p,
.article-body li{
  max-width:46em;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.article-body p{margin:0 0 1.05em;}
.article-body strong{color:var(--text);}
.article-body h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  color:var(--text);
  margin:38px 0 16px;
  padding-top:22px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;top:0;left:0;
  width:44px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  color:var(--text);
  margin:28px 0 12px;
}
.article-body ul,
.article-body ol{margin:0 0 1.2em;padding-left:4px;}
.article-body ul li,
.article-body ol li{
  position:relative;
  padding-left:22px;
  margin:8px 0;
}
.article-body ul li::before{
  content:"";
  position:absolute;left:4px;top:12px;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 3px rgba(42,224,200,.16);
}
.article-body ol{counter-reset:step;}
.article-body ol li{counter-increment:step;}
.article-body ol li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13px;
  color:var(--brand);
}
.article-body blockquote{
  margin:22px 0;
  padding:16px 20px;
  border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;
  background:rgba(255,255,255,.05);
  color:var(--text);
}
.article-body blockquote p{margin:0;color:var(--text);}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  font-size:15px;
}
.article-body .table-scroll{
  overflow-x:auto;
  margin:20px 0;
  border:1px solid var(--line);
  border-radius:16px;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
}
.article-body thead th{
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:600;
}
.article-body pre{
  overflow-x:auto;
  padding:16px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.35);
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:14px;
  color:#C7F7EE;
}

.article-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--text-3);
  font-size:14px;
}
.empty-state{
  border-radius:var(--radius-card);
  border:1px dashed var(--line);
  background:rgba(255,255,255,.03);
  padding:40px 24px;
  text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);max-width:520px;margin:0 auto 18px;}

/* ---------- 相关推荐 ---------- */
.rel-section{margin-top:64px;}
.section-head{margin-bottom:24px;}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;}
.section-head p{color:var(--text-2);margin-top:10px;max-width:46em;}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.rel-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--panel);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:transform .26s var(--ease), border-color .26s var(--ease), box-shadow .26s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-2);}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.rel-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;}
.rel-card-body h3{font-size:18px;}
.rel-card-body p{color:var(--text-2);font-size:14px;line-height:1.75;margin:0;}
.rel-card-body .rel-link{font-size:14px;font-weight:600;margin-top:auto;}

/* ---------- CTA ---------- */
.cta-banner{
  margin-top:72px;
  border-radius:var(--radius-panel);
  border:1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(42,224,200,.14), rgba(109,107,255,.12)),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, 40px 40px, 40px 40px;
  padding:32px 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  box-shadow:var(--shadow-1);
}
.cta-banner h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;}
.cta-banner p{color:var(--text-2);margin:8px 0 0;max-width:52em;font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:var(--bg-3);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-text{color:var(--text-3);font-size:14px;line-height:1.8;max-width:34em;margin:0;}
.footer-title{
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text);
  margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-3);font-size:14px;transition:color .24s var(--ease), transform .24s var(--ease);}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--text-3);
  font-size:13px;
}
@media (min-width:640px){
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .article-body{padding:48px 52px;}
  .rel-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;}
  .page-main{padding-top:150px;}
}
@media (max-width:520px){
  .nav-shell{padding:10px 10px 10px 12px;}
  .brand-text{font-size:14px;}
  .article-head{padding:24px 20px;}
  .article-body{padding:24px 18px;}
  .cta-banner{padding:26px 20px;}
  .btn{width:100%;}
  .cta-banner .btn{width:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#05080F;
  --bg-2:#0A1020;
  --bg-3:#070C18;
  --brand:#2AE0C8;
  --brand-hi:#5BF5E2;
  --brand-dn:#17B8A6;
  --brand-2:#6D6BFF;
  --accent:#FFB03A;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(42,224,200,.45);
  --panel:rgba(255,255,255,.05);
  --r-card:18px;
  --r-lg:24px;
  --r-field:12px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(42,224,200,.08), transparent 62%),
    radial-gradient(760px 520px at 98% 4%, rgba(109,107,255,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--brand-hi);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}
@media (min-width:1024px){.container-x{padding-left:48px;padding-right:48px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:14px;
  z-index:80;
  padding:0 0 6px;
}
.nav-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(10,16,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:padding var(--t),background-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled .nav-shell{
  padding:6px 10px 6px 14px;
  background:rgba(7,12,24,.92);
  box-shadow:0 14px 40px rgba(0,0,0,.55);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg, rgba(42,224,200,.22), rgba(109,107,255,.20));
  border:1px solid var(--line);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{display:none;align-items:center;gap:2px;margin:0;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  display:inline-block;
  padding:8px 13px;
  border-radius:999px;
  font-size:14px;
  line-height:1.4;
  color:var(--text-2);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{
  color:#04120F;
  font-weight:600;
  background:linear-gradient(135deg,var(--brand),var(--brand-hi));
  box-shadow:0 8px 22px rgba(42,224,200,.24);
}
.nav-link.is-active:hover{color:#04120F;background:linear-gradient(135deg,var(--brand-hi),var(--brand));}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-ghost{display:none;font-size:14px;color:var(--text-2);}
.nav-ghost:hover{color:var(--brand);}
@media (min-width:1024px){.nav-ghost{display:inline-block;}}
.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:40px;height:40px;
  padding:0 9px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text-2);transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.mobile-drawer{
  display:none;
  flex-direction:column;
  gap:2px;
  margin-top:10px;
  padding:14px;
  border-radius:20px;
  background:rgba(10,16,32,.95);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  padding:11px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-2);
}
.mobile-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text);}
.mobile-drawer a.is-active{color:#04120F;font-weight:600;background:linear-gradient(135deg,var(--brand),var(--brand-hi));}
@media (min-width:1024px){.mobile-drawer{display:none !important;}}

/* ---------- 通用按钮 / 标签 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),border-color var(--t),color var(--t);
}
.btn:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  color:#04120F;
  background:linear-gradient(135deg,var(--brand),var(--brand-hi));
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04120F;
  background:linear-gradient(135deg,var(--brand-hi),var(--brand));
  box-shadow:0 0 0 1px rgba(42,224,200,.6),0 16px 40px rgba(42,224,200,.3);
  transform:translateY(-2px);
}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border-color:var(--line);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:var(--line-hi);
  background:rgba(42,224,200,.08);
  transform:translateY(-2px);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--brand);
  background:rgba(42,224,200,.10);
  border:1px solid rgba(42,224,200,.28);
}
.badge-purple{color:#B9B8FF;background:rgba(109,107,255,.12);border-color:rgba(109,107,255,.32);}
.badge-amber{color:var(--accent);background:rgba(255,176,58,.10);border-color:rgba(255,176,58,.32);}
.tag{
  display:inline-block;
  padding:6px 13px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:var(--panel);
  border:1px solid var(--line);
  transition:border-color var(--t),color var(--t),background-color var(--t),transform var(--t);
}
.tag:hover{color:var(--text);border-color:var(--line-hi);background:rgba(42,224,200,.08);transform:translateY(-2px);}
.eyebrow{
  display:inline-block;
  margin-bottom:14px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--brand);
}
.text-2{color:var(--text-2);}
.text-3{color:var(--text-3);}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  margin-top:26px;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.18);}
.breadcrumb .current{color:var(--text-2);}

/* ---------- 板块 ---------- */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:84px 0;}}
@media (min-width:1024px){.section{padding:100px 0;}}
.section-alt{
  background:linear-gradient(180deg, rgba(7,12,24,0) 0%, rgba(7,12,24,.85) 12%, rgba(7,12,24,.85) 88%, rgba(7,12,24,0) 100%);
}
.sec-head{max-width:720px;margin-bottom:34px;}
.sec-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
@media (min-width:768px){.sec-head h2{font-size:34px;}}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:26px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  box-shadow:var(--sh-1);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(5,8,15,.95) 0%, rgba(5,8,15,.86) 46%, rgba(5,8,15,.55) 100%),
             radial-gradient(600px 400px at 10% 0%, rgba(42,224,200,.12), transparent 65%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  gap:28px;
  padding:40px 24px;
}
@media (min-width:768px){.hero-inner{padding:52px 40px;}}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;align-items:center;gap:44px;padding:60px 48px;}
}
.hero h1{
  font-size:32px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
}
@media (min-width:768px){.hero h1{font-size:42px;}}
@media (min-width:1024px){.hero h1{font-size:50px;}}
.hero-sub{
  margin-top:16px;
  max-width:640px;
  font-size:16px;
  color:var(--text-2);
}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:14px 30px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.metric{display:flex;flex-direction:column;gap:2px;}
.metric b{font-family:var(--font-mono);font-size:20px;color:var(--brand);font-weight:700;}
.metric span{font-size:13px;color:var(--text-3);}
.hero-panel{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10), var(--sh-1);
  padding:20px;
}
.hero-panel-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
}
.path-list{display:flex;flex-direction:column;gap:10px;}
.path-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  transition:border-color var(--t),transform var(--t),background-color var(--t);
}
.path-item:hover{border-color:var(--line-hi);background:rgba(42,224,200,.07);transform:translateX(3px);}
.path-idx{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--brand);
  border:1px solid rgba(42,224,200,.3);
  background:rgba(42,224,200,.08);
  border-radius:8px;
  padding:2px 7px;
  flex:0 0 auto;
}

/* ---------- 入口卡矩阵 ---------- */
.hub-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){.hub-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), var(--sh-1);
  padding:24px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:inset 0 1px 0 rgba(255,255,255,.10), var(--sh-2);}
.card h3{font-size:19px;font-weight:600;line-height:1.45;}
.card p{margin-top:10px;font-size:15px;color:var(--text-2);}
.card-lg{grid-column:1 / -1;}
@media (min-width:768px){
  .card-lg{grid-column:1 / -1;flex-direction:row;align-items:center;gap:30px;padding:28px;}
  .card-lg .card-media{flex:0 0 42%;}
  .card-lg .card-body{flex:1 1 auto;}
}
.card-media{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  aspect-ratio:16/10;
  background:var(--bg-2);
}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding-top:18px;}
@media (min-width:768px){.card-lg .card-body{padding-top:0;}}
.card-ico{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:13px;
  margin-bottom:16px;
  background:linear-gradient(150deg, rgba(42,224,200,.18), rgba(109,107,255,.16));
  border:1px solid var(--line);
}
.card-ico svg{width:21px;height:21px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.card-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:18px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.card-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--t);}
.card:hover .card-arrow svg{transform:translateX(4px);}
.card-list{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 标签导航 ---------- */
.tabbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:18px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(42,224,200,.07), rgba(109,107,255,.07));
}
.tabbar a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--text);
  background:rgba(5,8,15,.5);
  border:1px solid var(--line);
  transition:border-color var(--t),transform var(--t),background-color var(--t);
}
.tabbar a:hover{border-color:var(--line-hi);background:rgba(42,224,200,.12);transform:translateY(-2px);}
.tabbar a .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(42,224,200,.8);}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.check-grid{grid-template-columns:1fr 1fr;gap:22px;}}
.check-item{
  display:flex;
  gap:14px;
  padding:20px 22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:border-color var(--t),transform var(--t),background-color var(--t);
}
.check-item:hover{border-color:var(--line-hi);background:rgba(42,224,200,.06);transform:translateY(-3px);}
.check-num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--brand);
  border:1px solid rgba(42,224,200,.3);
  background:rgba(42,224,200,.08);
  border-radius:8px;
  padding:3px 8px;
  height:24px;
  flex:0 0 auto;
}
.check-item h3{font-size:17px;font-weight:600;}
.check-item p{margin-top:8px;font-size:15px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
  transition:border-color var(--t),background-color var(--t);
}
.faq-item.is-open{border-color:var(--line-hi);background:rgba(42,224,200,.05);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  text-align:left;
  background:transparent;
  border:0;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:16px;
  line-height:1;
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--line-hi);background:rgba(42,224,200,.12);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms var(--ease);
}
.faq-a-inner{
  padding:0 22px 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;
  gap:22px;
  padding:34px 26px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background-image:
    linear-gradient(115deg, rgba(42,224,200,.14), rgba(109,107,255,.14)),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,36px 36px,36px 36px;
  background-color:rgba(7,12,24,.9);
  box-shadow:var(--sh-1);
}
@media (min-width:768px){
  .cta-band{grid-template-columns:1fr auto;align-items:center;padding:38px 40px;}
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.35;}
@media (min-width:768px){.cta-band h2{font-size:28px;}}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:70px;
  padding:56px 0 30px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,16,32,.5), rgba(5,8,15,.95));
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-text{font-size:14px;line-height:1.8;color:var(--text-3);max-width:330px;}
.footer-title{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text);
  margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-3);}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* roulang page: category2 */
:root{
  --bg:#05080F;
  --bg-2:#0A1020;
  --bg-3:#070C18;
  --brand:#2AE0C8;
  --brand-hover:#5BF5E2;
  --brand-active:#17B8A6;
  --brand-2:#6D6BFF;
  --accent:#FFB03A;
  --text:#EAF2FF;
  --text-2:#9FB0CC;
  --text-3:#64748F;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(42,224,200,.45);
  --panel:rgba(255,255,255,.05);
  --radius-card:18px;
  --radius-lg:24px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 10% 6%, rgba(42,224,200,.08), transparent 46%),
    radial-gradient(circle at 92% 2%, rgba(109,107,255,.08), transparent 42%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.9;
  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:40px 40px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-hover)}
button{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
main{position:relative;z-index:1}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}
@media (min-width:1024px){.container-x{padding:0 48px}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 8px;transition:padding .26s var(--ease)}
.site-header.is-scrolled{padding-top:9px}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 20px;
  border-radius:var(--radius-pill);
  background:rgba(10,16,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:background .26s var(--ease),padding .26s var(--ease),border-color .26s var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(7,11,22,.94);padding:7px 10px 7px 16px;border-color:rgba(255,255,255,.1)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;
  border-radius:12px;background:rgba(42,224,200,.12);border:1px solid rgba(42,224,200,.34);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.nav-link{
  display:block;padding:9px 13px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
  border:1px solid transparent;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:var(--brand);background:rgba(42,224,200,.12);border-color:rgba(42,224,200,.36)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.nav-ghost{display:none;font-size:14px;color:var(--text-2)}
.nav-ghost:hover{color:var(--brand)}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-hover);background:rgba(42,224,200,.08)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;border-radius:2px;background:var(--text)}
.mobile-drawer{
  display:none;flex-direction:column;gap:2px;margin-top:12px;padding:12px;
  border-radius:var(--radius-lg);background:rgba(7,11,22,.96);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer a{padding:12px 16px;border-radius:14px;font-size:15px;color:var(--text-2)}
.mobile-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.mobile-drawer a.is-active{background:rgba(42,224,200,.12);color:var(--brand);border:1px solid rgba(42,224,200,.3)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-ghost{display:inline-flex}
  .nav-toggle{display:none}
  .mobile-drawer{display:none !important}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--brand),#1FCBB6);color:#04140F;box-shadow:var(--glow)}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-hover),var(--brand));color:#04140F;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(42,224,200,.55),0 16px 40px rgba(42,224,200,.28)}
.btn-primary:active{transform:translateY(1px);background:var(--brand-active)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--line-hover);color:var(--brand);background:rgba(42,224,200,.06);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:rgba(42,224,200,.45);color:var(--brand)}
.btn-outline:hover{background:rgba(42,224,200,.1);color:var(--brand-hover);box-shadow:0 0 0 1px rgba(42,224,200,.35)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:26px}
.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(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text-3)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:52px 0 58px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.28}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.6),rgba(5,8,15,.96))}
.hero-inner{position:relative;z-index:1;max-width:840px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  background:rgba(42,224,200,.1);border:1px solid rgba(42,224,200,.32);
}
.hero-title{margin-top:20px;font-size:clamp(30px,5.2vw,50px);font-weight:800;line-height:1.15}
.hero-lead{margin-top:18px;max-width:720px;color:var(--text-2);font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:36px;max-width:620px}
.stat-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.01em}
.stat-label{margin-top:4px;font-size:13px;color:var(--text-3)}

/* ---------- 板块 ---------- */
.section{position:relative;padding:64px 0}
.section-alt{background:linear-gradient(180deg,rgba(10,16,32,.72),rgba(7,12,24,.72));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.section{padding:100px 0}}
.section-head{max-width:720px;margin-bottom:34px}
.section-tag{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand-2)}
.section-title{margin-top:12px;font-size:clamp(24px,3.6vw,36px);font-weight:700}
.section-desc{margin-top:14px;color:var(--text-2);max-width:720px}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  padding:9px 18px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);font-size:14px;cursor:pointer;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.chip:hover{border-color:var(--line-hover);color:var(--text);transform:translateY(-1px)}
.chip.is-on{background:rgba(42,224,200,.13);border-color:rgba(42,224,200,.45);color:var(--brand)}
.filter-note{font-size:13px;color:var(--text-3);margin-bottom:26px}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.step-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-card);border:1px solid var(--line);background:var(--panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-2)}
.step-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.step-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.step-card:hover .step-thumb img{transform:scale(1.05)}
.step-thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.step-index{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:var(--mono);font-size:12px;padding:5px 11px;border-radius:var(--radius-pill);
  background:rgba(5,8,15,.76);border:1px solid var(--line);color:var(--brand);
}
.step-body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 26px;flex:1 1 auto}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(109,107,255,.16);border:1px solid rgba(109,107,255,.34);color:#B7B6FF;
}
.tag-brand{background:rgba(42,224,200,.12);border-color:rgba(42,224,200,.34);color:var(--brand)}
.step-body h3{font-size:20px;font-weight:600}
.step-body p{font-size:15px;line-height:1.8;color:var(--text-2)}
.card-foot{margin-top:auto;padding-top:6px;font-size:14px;color:var(--brand)}

/* ---------- 场景交替 ---------- */
.scene-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;margin-bottom:36px}
@media (min-width:1024px){
  .scene-row{grid-template-columns:1.05fr 1fr;gap:52px;margin-bottom:60px}
  .scene-row.reverse .scene-media{order:2}
}
.scene-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-media::after{content:"";position:absolute;inset:0;border-radius:20px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.scene-no{font-family:var(--mono);font-size:14px;letter-spacing:.14em;color:var(--brand)}
.scene-body h3{margin-top:12px;font-size:22px;font-weight:600}
.scene-body p{margin-top:12px;color:var(--text-2);max-width:720px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pill{padding:6px 14px;border-radius:var(--radius-pill);font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px}
.faq-item{
  border-radius:var(--radius-card);border:1px solid var(--line);background:var(--panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(42,224,200,.3)}
.faq-item.is-open{border-color:var(--line-hover);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16.5px;font-weight:600;cursor:pointer;
}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line);color:var(--brand);font-family:var(--mono);
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--line-hover);background:rgba(42,224,200,.1)}
.faq-a{max-height:0;overflow:hidden;padding:0 22px;transition:max-height .3s var(--ease)}
.faq-a p{color:var(--text-2);font-size:15px;padding-bottom:18px}

/* ---------- 次级 CTA / 横幅 ---------- */
.sub-cta{
  margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:24px 26px;border-radius:var(--radius-lg);border:1px dashed rgba(42,224,200,.34);
  background:rgba(42,224,200,.05);
}
.sub-cta p{color:var(--text-2);font-size:15px;max-width:620px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);
  padding:34px 30px;display:flex;flex-direction:column;gap:22px;
  background:linear-gradient(120deg,rgba(42,224,200,.12),rgba(109,107,255,.16));
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  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:40px 40px;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:700}
.cta-band p{margin-top:10px;color:var(--text-2);max-width:720px}
@media (min-width:1024px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px}
}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;margin-top:20px;border-top:1px solid var(--line);background:rgba(7,12,24,.9);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-text{margin-top:14px;font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--text);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-3);transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
@media (max-width:519px){
  .brand-text{font-size:14px}
  .nav-actions .btn-primary{display:none}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
}

/* roulang page: category3 */
:root{
    --bg:#05080F;
    --bg-2:#0A1020;
    --bg-3:#070C18;
    --brand:#2AE0C8;
    --brand-hover:#5BF5E2;
    --brand-press:#17B8A6;
    --brand-2:#6D6BFF;
    --accent:#FFB03A;
    --text:#EAF2FF;
    --text-2:#9FB0CC;
    --text-3:#64748F;
    --line:rgba(255,255,255,.08);
    --line-hover:rgba(42,224,200,.45);
    --panel:rgba(255,255,255,.05);
    --glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
    --shadow-1:0 8px 24px rgba(0,0,0,.35);
    --shadow-2:0 18px 48px rgba(0,0,0,.5);
    --r-card:18px;
    --r-lg:24px;
    --r-btn:999px;
    --r-input:12px;
    --maxw:1240px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  html body{
    margin:0;
    padding:0;
    background-color:var(--bg);
    background-image:
      linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
      radial-gradient(900px 620px at 6% -8%, rgba(42,224,200,.10), transparent 62%),
      radial-gradient(760px 520px at 100% 8%, rgba(109,107,255,.08), transparent 60%);
    background-size:40px 40px, 40px 40px, 100% 100%, 100% 100%;
    background-attachment:fixed, fixed, fixed, fixed;
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}

  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container-x{
    width:100%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 20px;
    position:relative;
  }
  @media (min-width:768px){ .container-x{padding:0 32px;} }
  @media (min-width:1024px){ .container-x{padding:0 48px;} }

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:60;
    padding:18px 0;
  }
  .nav-shell{
    display:flex;
    align-items:center;
    gap:14px;
    height:64px;
    padding:0 14px 0 18px;
    border-radius:999px;
    background:rgba(10,16,32,.72);
    border:1px solid var(--line);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-1);
    transition:background .26s var(--ease), box-shadow .26s var(--ease), padding .26s var(--ease);
  }
  .site-header.is-scrolled .nav-shell{
    background:rgba(7,12,24,.92);
    box-shadow:0 12px 34px rgba(0,0,0,.5);
    padding:0 12px 0 16px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    display:grid;place-items:center;
    width:36px;height:36px;
    border-radius:12px;
    background:rgba(42,224,200,.10);
    border:1px solid rgba(42,224,200,.28);
    flex:none;
  }
  .brand-mark svg{width:20px;height:20px;}
  .brand-text{
    font-size:15px;
    font-weight:700;
    letter-spacing:.01em;
    white-space:nowrap;
  }
  .nav-links{display:none;align-items:center;gap:2px;}
  .nav-link{
    display:inline-block;
    padding:8px 10px;
    border-radius:999px;
    font-size:13.5px;
    color:var(--text-2);
    white-space:nowrap;
    transition:color .22s var(--ease), background .22s var(--ease);
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
  .nav-link.is-active{
    color:#04120F;
    background:var(--brand);
    font-weight:700;
    box-shadow:0 0 0 1px rgba(42,224,200,.5), 0 8px 22px rgba(42,224,200,.2);
  }
  .nav-actions{
    display:flex;
    align-items:center;
    gap:12px;
    margin-left:auto;
  }
  .nav-ghost{
    display:none;
    font-size:13.5px;
    color:var(--text-2);
    transition:color .22s var(--ease);
  }
  .nav-ghost:hover{color:var(--brand);}
  .nav-toggle{
    display:grid;
    align-content:center;
    justify-items:center;
    gap:4px;
    width:40px;height:40px;
    border-radius:12px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
    cursor:pointer;
    transition:border-color .22s var(--ease), background .22s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--line-hover);background:rgba(42,224,200,.08);}
  .nav-toggle span{display:block;width:16px;height:1.6px;background:var(--text);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}

  @media (min-width:1200px){
    .nav-links{display:flex;margin-left:auto;justify-content:flex-end;flex-wrap:nowrap;}
    .nav-actions{margin-left:14px;}
    .nav-ghost{display:inline-block;}
    .nav-toggle{display:none;}
  }

  .mobile-drawer{
    display:none;
    margin-top:12px;
    padding:14px;
    border-radius:22px;
    background:rgba(10,16,32,.95);
    border:1px solid var(--line);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-2);
  }
  .mobile-drawer.is-open{display:grid;gap:4px;}
  .mobile-drawer a{
    padding:11px 14px;
    border-radius:12px;
    font-size:15px;
    color:var(--text-2);
    transition:color .2s var(--ease), background .2s var(--ease);
  }
  .mobile-drawer a:hover{color:var(--text);background:rgba(255,255,255,.05);}
  .mobile-drawer a.is-active{color:var(--brand);background:rgba(42,224,200,.10);font-weight:600;}
  @media (min-width:1200px){ .mobile-drawer{display:none !important;} }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--r-btn);
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .24s var(--ease), background .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease);
  }
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn-lg{padding:14px 30px;font-size:16px;}
  .btn-primary{
    background:var(--brand);
    color:#04120F;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);}
  .btn-primary:active{background:var(--brand-press);transform:translateY(1px);}
  .btn-ghost{
    background:transparent;
    border-color:var(--line-hover);
    color:var(--text);
  }
  .btn-ghost:hover{background:rgba(42,224,200,.08);border-color:var(--brand);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(1px);}

  /* ---------- 首屏 ---------- */
  .hero-compact{
    position:relative;
    padding:152px 0 78px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-compact::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    opacity:.20;
  }
  .hero-compact::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(5,8,15,.55) 0%, rgba(5,8,15,.92) 68%, rgba(5,8,15,1) 100%);
  }
  .hero-compact .container-x{position:relative;z-index:2;}

  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:24px;
  }
  .breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:var(--text-3);opacity:.7;}
  .breadcrumb .current{color:var(--text-3);}

  .eyebrow{
    display:inline-block;
    font-size:12px;
    font-weight:700;
    letter-spacing:.16em;
    color:var(--brand);
    padding:5px 12px;
    border-radius:999px;
    background:rgba(42,224,200,.10);
    border:1px solid rgba(42,224,200,.26);
  }

  .hero-compact h1{
    margin-top:18px;
    font-size:clamp(30px,5vw,50px);
    line-height:1.16;
    font-weight:800;
    letter-spacing:-.02em;
    max-width:940px;
  }
  .lead{
    margin-top:20px;
    max-width:720px;
    font-size:17px;
    line-height:1.85;
    color:var(--text-2);
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:32px;
  }
  .hero-metrics{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
    margin-top:40px;
    max-width:800px;
  }
  @media (min-width:640px){ .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));} }
  .metric{
    padding:16px 18px;
    border-radius:16px;
    background:var(--panel);
    border:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    transition:transform .24s var(--ease), border-color .24s var(--ease);
  }
  .metric:hover{transform:translateY(-4px);border-color:var(--line-hover);}
  .metric b{
    display:block;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:26px;
    line-height:1.2;
    color:var(--brand);
  }
  .metric span{font-size:13px;color:var(--text-3);}

  /* ---------- 板块 ---------- */
  .section{padding:88px 0;position:relative;}
  .section-alt{
    background:var(--bg-3);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  @media (max-width:768px){ .section{padding:60px 0;} }

  .section-head{max-width:740px;margin-bottom:36px;}
  .section-head h2{
    margin-top:14px;
    font-size:clamp(24px,3.4vw,34px);
    line-height:1.28;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .section-desc{
    margin-top:14px;
    font-size:16px;
    line-height:1.85;
    color:var(--text-2);
    max-width:720px;
  }

  /* ---------- 对比表 ---------- */
  .table-wrap{
    overflow-x:auto;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    background:rgba(255,255,255,.03);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:var(--shadow-1);
    -webkit-overflow-scrolling:touch;
  }
  .cmp-table{
    width:100%;
    min-width:880px;
    border-collapse:collapse;
    font-size:15px;
  }
  .cmp-table thead th{
    background:rgba(255,255,255,.06);
    color:var(--text);
    font-weight:700;
    text-align:left;
    padding:16px 20px;
    font-size:14px;
    letter-spacing:.02em;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .cmp-table tbody td{
    padding:16px 20px;
    border-bottom:1px solid var(--line);
    color:var(--text-2);
    vertical-align:top;
    line-height:1.75;
  }
  .cmp-table tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
  .cmp-table tbody tr{transition:background .2s var(--ease);}
  .cmp-table tbody tr:hover{background:rgba(42,224,200,.06);}
  .cmp-table tbody tr:last-child td{border-bottom:0;}
  .cmp-table td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
  .cmp-table th:first-child{border-top-left-radius:var(--r-lg);}
  .cmp-table th:last-child{border-top-right-radius:var(--r-lg);}

  .table-note{
    margin-top:14px;
    font-size:13px;
    color:var(--text-3);
  }

  .badge{
    display:inline-block;
    padding:3px 11px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    border:1px solid transparent;
    white-space:nowrap;
  }
  .badge-on{color:var(--brand);background:rgba(42,224,200,.12);border-color:rgba(42,224,200,.30);}
  .badge-off{color:var(--text-3);background:rgba(255,255,255,.05);border-color:var(--line);}
  .badge-warn{color:var(--accent);background:rgba(255,176,58,.12);border-color:rgba(255,176,58,.30);}
  .badge-purple{color:#B9B8FF;background:rgba(109,107,255,.14);border-color:rgba(109,107,255,.32);}

  /* ---------- 要点清单 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:768px){ .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }

  .check-item{
    display:flex;
    gap:16px;
    padding:26px 26px;
    border-radius:var(--r-card);
    background:var(--panel);
    border:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:var(--shadow-1);
    transition:transform .26s var(--ease), border-color .26s var(--ease), box-shadow .26s var(--ease);
  }
  .check-item:hover{
    transform:translateY(-4px);
    border-color:var(--line-hover);
    box-shadow:var(--shadow-2);
  }
  .check-icon{
    flex:none;
    width:40px;height:40px;
    border-radius:12px;
    display:grid;place-items:center;
    background:rgba(42,224,200,.10);
    border:1px solid rgba(42,224,200,.26);
    color:var(--brand);
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:13px;
    font-weight:700;
  }
  .check-icon.is-purple{
    background:rgba(109,107,255,.12);
    border-color:rgba(109,107,255,.30);
    color:#B9B8FF;
  }
  .check-item h3{
    font-size:18px;
    font-weight:600;
    line-height:1.5;
    margin-bottom:8px;
  }
  .check-item p{
    font-size:14.5px;
    line-height:1.85;
    color:var(--text-2);
  }

  /* ---------- 图文区 ---------- */
  .split{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
    align-items:center;
  }
  @media (min-width:1024px){
    .split{grid-template-columns:1.05fr 1fr;gap:56px;}
    .split.is-reverse .split-media{order:2;}
  }
  .split-media{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .split-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transition:transform .4s var(--ease);
  }
  .split-media:hover img{transform:scale(1.03);}
  .step-list{display:grid;gap:16px;margin-top:26px;}
  .step-list li{display:flex;gap:14px;align-items:flex-start;}
  .step-num{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:13px;
    font-weight:700;
    color:var(--brand);
    padding-top:5px;
    flex:none;
  }
  .step-list h4{font-size:16px;font-weight:600;line-height:1.6;}
  .step-list p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px;max-width:900px;}
  .faq-item{
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--panel);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    overflow:hidden;
    transition:border-color .24s var(--ease), box-shadow .24s var(--ease);
  }
  .faq-item.is-open{border-color:var(--line-hover);box-shadow:var(--shadow-1);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:18px 22px;
    text-align:left;
    font-size:16.5px;
    font-weight:600;
    line-height:1.65;
    cursor:pointer;
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-sign{
    flex:none;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--line-hover);
    display:grid;place-items:center;
    color:var(--brand);
    font-size:15px;
    line-height:1;
    transition:transform .26s var(--ease);
  }
  .faq-item.is-open .faq-sign{transform:rotate(45deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .faq-a-inner{
    padding:0 22px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--text-2);
    max-width:700px;
  }

  /* ---------- CTA 横幅 ---------- */
  .cta-banner{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    padding:34px 30px;
    background:linear-gradient(120deg, rgba(42,224,200,.14), rgba(109,107,255,.16));
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    display:flex;
    flex-direction:column;
    gap:22px;
  }
  .cta-banner::before{
    content:"";
    position:absolute;
    inset:0;
    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:36px 36px;
    opacity:.35;
    pointer-events:none;
  }
  .cta-banner > *{position:relative;z-index:1;}
  .cta-banner h2{
    font-size:clamp(22px,3vw,30px);
    font-weight:700;
    line-height:1.3;
  }
  .cta-banner p{
    margin-top:12px;
    font-size:15px;
    color:var(--text-2);
    max-width:620px;
    line-height:1.8;
  }
  @media (min-width:900px){
    .cta-banner{
      flex-direction:row;
      align-items:center;
      justify-content:space-between;
      padding:40px 46px;
      gap:32px;
    }
    .cta-banner .cta-copy{max-width:660px;}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:96px;
    border-top:1px solid var(--line);
    background:var(--bg-3);
    padding:64px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:28px;} }

  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand .brand-text{font-size:15px;}
  .footer-title{
    font-size:14px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--text);
    margin-bottom:14px;
  }
  .footer-links{display:grid;gap:10px;}
  .footer-links a{
    font-size:14px;
    color:var(--text-3);
    transition:color .2s var(--ease), transform .2s var(--ease);
    display:inline-block;
  }
  .footer-links a:hover{color:var(--brand);transform:translateX(2px);}
  .footer-text{
    font-size:13.5px;
    line-height:1.8;
    color:var(--text-3);
    max-width:360px;
  }
  .footer-bottom{
    margin-top:46px;
    padding-top:22px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    justify-content:space-between;
    font-size:13px;
    color:var(--text-3);
  }

  @media (max-width:520px){
    .hero-compact{padding:132px 0 60px;}
    .check-item{padding:22px 20px;}
    .faq-q{padding:16px 18px;font-size:15.5px;}
    .faq-a-inner{padding:0 18px 18px;}
    .cta-banner{padding:28px 22px;}
  }

/* roulang page: category4 */
:root{
    --bg:#05080F;
    --bg-2:#0A1020;
    --bg-alt:#070C18;
    --panel:rgba(255,255,255,.05);
    --panel-solid:#0C1424;
    --brand:#2AE0C8;
    --brand-hover:#5BF5E2;
    --brand-press:#17B8A6;
    --brand-2:#6D6BFF;
    --accent:#FFB03A;
    --ink:#EAF2FF;
    --ink-sub:#9FB0CC;
    --ink-weak:#64748F;
    --line:rgba(255,255,255,.08);
    --line-hover:rgba(42,224,200,.45);
    --glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
    --shadow-rest:0 8px 24px rgba(0,0,0,.35);
    --shadow-lift:0 18px 48px rgba(0,0,0,.5);
    --radius-card:18px;
    --radius-panel:24px;
    --radius-field:12px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(680px 460px at 8% -6%, rgba(42,224,200,.08), transparent 62%),
      radial-gradient(620px 420px at 96% 8%, rgba(109,107,255,.07), transparent 60%);
  }
  body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background-image:
      linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size:40px 40px;
    mask-image:radial-gradient(circle at 30% 0%, #000 0%, transparent 72%);
    -webkit-mask-image:radial-gradient(circle at 30% 0%, #000 0%, transparent 72%);
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease), transform .24s var(--ease);}
  a:hover{color:var(--brand-hover);}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
  p{margin:0 0 1em;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container-x{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
    position:relative;
    z-index:1;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;
    top:18px;
    left:0;
    right:0;
    z-index:60;
    transition:top .28s var(--ease);
  }
  .nav-shell{
    display:flex;
    align-items:center;
    gap:18px;
    padding:10px 14px 10px 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:rgba(10,16,32,.72);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-rest);
    transition:padding .28s var(--ease), background-color .28s var(--ease), box-shadow .28s var(--ease);
  }
  .site-header.is-scrolled .nav-shell{
    padding:6px 12px 6px 16px;
    background:rgba(6,11,22,.92);
    box-shadow:var(--shadow-lift);
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--ink);
    font-weight:700;
    font-size:16px;
    letter-spacing:.01em;
    white-space:nowrap;
    flex:0 0 auto;
  }
  .brand:hover{color:var(--ink);}
  .brand-mark{
    width:34px;height:34px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:11px;
    border:1px solid rgba(42,224,200,.35);
    background:linear-gradient(140deg, rgba(42,224,200,.18), rgba(109,107,255,.18));
    box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
    flex:0 0 auto;
  }
  .brand-mark svg{width:19px;height:19px;}
  .brand-text{line-height:1.2;}
  .nav-links{
    display:none;
    align-items:center;
    gap:2px;
    margin:0 auto;
    flex:1 1 auto;
    justify-content:center;
  }
  .nav-link{
    display:inline-block;
    padding:8px 13px;
    border-radius:999px;
    font-size:14px;
    color:var(--ink-sub);
    white-space:nowrap;
    border:1px solid transparent;
  }
  .nav-link:hover{
    color:var(--ink);
    background:rgba(255,255,255,.05);
    border-color:var(--line);
  }
  .nav-link.is-active{
    color:#04140F;
    background:var(--brand);
    border-color:transparent;
    font-weight:600;
    box-shadow:0 6px 18px rgba(42,224,200,.28);
  }
  .nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .nav-ghost{
    display:none;
    font-size:14px;
    color:var(--ink-sub);
  }
  .nav-ghost:hover{color:var(--brand);}
  .nav-toggle{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    gap:4px;
    width:40px;height:40px;
    border-radius:999px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.05);
    cursor:pointer;
    align-items:center;
    transition:border-color .24s var(--ease), background-color .24s var(--ease);
  }
  .nav-toggle span{
    display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);
    transition:transform .26s var(--ease), opacity .26s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--line-hover);background:rgba(42,224,200,.12);}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .mobile-drawer{
    display:none;
    flex-direction:column;
    gap:4px;
    margin-top:10px;
    padding:14px;
    border-radius:22px;
    border:1px solid var(--line);
    background:rgba(8,13,26,.96);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow-lift);
  }
  .mobile-drawer.is-open{display:flex;}
  .mobile-drawer a{
    padding:11px 14px;
    border-radius:14px;
    font-size:15px;
    color:var(--ink-sub);
    border:1px solid transparent;
  }
  .mobile-drawer a:hover{color:var(--ink);background:rgba(255,255,255,.05);border-color:var(--line);}
  .mobile-drawer a.is-active{color:#04140F;background:var(--brand);font-weight:600;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .2s var(--ease), box-shadow .24s var(--ease), background-color .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
  }
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn-primary{
    color:#04140F;
    background:linear-gradient(135deg, var(--brand), #24C7D8);
    box-shadow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
  }
  .btn-primary:hover{color:#04140F;background:var(--brand-hover);box-shadow:0 0 0 1px rgba(91,245,226,.6), 0 16px 40px rgba(42,224,200,.32);}
  .btn-primary:active{transform:translateY(1px);background:var(--brand-press);}
  .btn-ghost{
    color:var(--ink);
    background:rgba(255,255,255,.03);
    border-color:var(--line);
  }
  .btn-ghost:hover{color:var(--brand);border-color:var(--line-hover);background:rgba(42,224,200,.08);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}

  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:999px;
    font-size:12px;
    font-weight:700;
    letter-spacing:.04em;
    border:1px solid var(--line);
    color:var(--ink-sub);
    background:rgba(255,255,255,.04);
  }
  .chip-brand{color:var(--brand);border-color:rgba(42,224,200,.35);background:rgba(42,224,200,.1);}
  .chip-violet{color:#B9B8FF;border-color:rgba(109,107,255,.4);background:rgba(109,107,255,.14);}
  .chip-accent{color:var(--accent);border-color:rgba(255,176,58,.4);background:rgba(255,176,58,.12);}

  /* ---------- 面包屑与页头 ---------- */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--ink-weak);
    padding-top:120px;
    margin-bottom:22px;
  }
  .breadcrumb a{color:var(--ink-sub);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:rgba(255,255,255,.18);}
  .breadcrumb .current{color:var(--ink-weak);}

  .page-hero{
    position:relative;
    padding-bottom:10px;
  }
  .page-hero h1{
    font-size:34px;
    line-height:1.2;
    font-weight:800;
    letter-spacing:-.02em;
    max-width:820px;
    margin-bottom:18px;
  }
  .page-hero .lead{
    max-width:720px;
    color:var(--ink-sub);
    font-size:16.5px;
  }
  .hero-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:22px;
  }
  .hero-strip{
    margin-top:34px;
    border-radius:var(--radius-panel);
    border:1px solid var(--line);
    background:
      linear-gradient(120deg, rgba(42,224,200,.1), rgba(109,107,255,.08) 55%, rgba(255,255,255,.02));
    overflow:hidden;
    position:relative;
  }
  .hero-strip img{
    width:100%;
    height:190px;
    object-fit:cover;
    opacity:.5;
  }
  .hero-strip .strip-caption{
    position:absolute;
    left:0;right:0;bottom:0;
    padding:18px 22px;
    font-size:14px;
    color:var(--ink-sub);
    background:linear-gradient(to top, rgba(5,8,15,.94), rgba(5,8,15,0));
  }

  /* ---------- 区块通用 ---------- */
  .section{padding:56px 0;}
  .section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:760px;margin-bottom:34px;}
  .section-head h2{font-size:27px;line-height:1.3;font-weight:700;margin-bottom:12px;}
  .section-head p{color:var(--ink-sub);margin:0;}

  /* ---------- 指南布局：左目录 + 右内容 ---------- */
  .guide-layout{display:grid;grid-template-columns:1fr;gap:28px;align-items:start;}
  .toc{display:none;}
  .toc-inner{
    position:sticky;
    top:104px;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:var(--panel);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08), var(--shadow-rest);
    padding:22px 20px;
  }
  .toc-title{
    font-size:13px;
    font-weight:700;
    letter-spacing:.12em;
    color:var(--ink-weak);
    margin-bottom:14px;
  }
  .toc a{
    display:block;
    padding:9px 12px;
    border-radius:11px;
    font-size:14.5px;
    color:var(--ink-sub);
    border-left:2px solid transparent;
    margin-bottom:2px;
  }
  .toc a:hover{color:var(--ink);background:rgba(255,255,255,.05);}
  .toc a.is-current{
    color:var(--brand);
    background:rgba(42,224,200,.1);
    border-left-color:var(--brand);
    font-weight:600;
  }
  .toc-note{
    margin-top:16px;
    padding-top:16px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--ink-weak);
    line-height:1.75;
  }

  .toc-scroll{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding-bottom:6px;
    margin-bottom:22px;
    scrollbar-width:thin;
  }
  .toc-scroll a{
    flex:0 0 auto;
    padding:8px 15px;
    border-radius:999px;
    font-size:13.5px;
    color:var(--ink-sub);
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
  }
  .toc-scroll a:hover{color:var(--brand);border-color:var(--line-hover);}

  .guide-main{display:flex;flex-direction:column;gap:26px;min-width:0;}
  .panel{
    border-radius:var(--radius-panel);
    border:1px solid var(--line);
    background:var(--panel);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08), var(--shadow-rest);
    padding:26px 24px;
    transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
  }
  .panel:hover{border-color:rgba(42,224,200,.28);box-shadow:inset 0 1px 0 rgba(255,255,255,.1), var(--shadow-lift);}
  .panel h2{
    font-size:23px;
    font-weight:700;
    margin-bottom:14px;
    display:flex;
    align-items:center;
    gap:10px;
    flex-wrap:wrap;
  }
  .panel h2 .idx{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:14px;
    color:var(--brand);
    border:1px solid rgba(42,224,200,.35);
    border-radius:8px;
    padding:1px 8px;
    background:rgba(42,224,200,.08);
  }
  .panel h3{font-size:17.5px;font-weight:600;margin-bottom:8px;}
  .panel p{color:var(--ink-sub);max-width:720px;}
  .panel p:last-child{margin-bottom:0;}

  .symptom-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px;}
  .symptom-card{
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    padding:20px;
    transition:transform .24s var(--ease), border-color .24s var(--ease);
  }
  .symptom-card:hover{transform:translateY(-4px);border-color:var(--line-hover);}
  .symptom-card h3{margin-bottom:8px;}
  .symptom-card p{font-size:14.5px;margin:0;}
  .symptom-card .chip{margin-top:14px;}

  .step-list{display:flex;flex-direction:column;gap:18px;margin-top:22px;}
  .step{
    display:grid;
    grid-template-columns:44px 1fr;
    gap:16px;
    padding:20px;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
  }
  .step:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-lift);}
  .step-num{
    width:44px;height:44px;
    display:flex;align-items:center;justify-content:center;
    border-radius:13px;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:15px;
    font-weight:700;
    color:var(--brand);
    border:1px solid rgba(42,224,200,.35);
    background:linear-gradient(140deg, rgba(42,224,200,.16), rgba(109,107,255,.14));
  }
  .step-body h3{font-size:17px;margin-bottom:6px;}
  .step-body p{font-size:14.6px;margin:0;color:var(--ink-sub);}
  .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

  .result-list{display:grid;grid-template-columns:1fr;gap:12px;margin-top:20px;}
  .result-list li{
    display:flex;
    gap:12px;
    padding:14px 16px;
    border-radius:14px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    font-size:14.6px;
    color:var(--ink-sub);
    transition:border-color .24s var(--ease), background-color .24s var(--ease);
  }
  .result-list li:hover{border-color:rgba(42,224,200,.3);background:rgba(42,224,200,.06);}
  .result-list .tick{
    flex:0 0 auto;
    width:20px;height:20px;
    margin-top:3px;
    border-radius:50%;
    border:1px solid rgba(42,224,200,.5);
    color:var(--brand);
    font-size:12px;
    display:flex;align-items:center;justify-content:center;
  }
  .result-list strong{color:var(--ink);font-weight:600;}

  /* ---------- FAQ 手风琴 ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
  .faq-item{
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    overflow:hidden;
    transition:border-color .24s var(--ease), box-shadow .24s var(--ease);
  }
  .faq-item.is-open{border-color:var(--line-hover);box-shadow:0 0 0 1px rgba(42,224,200,.22), 0 12px 32px rgba(0,0,0,.35);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:17px 20px;
    background:transparent;
    border:0;
    color:var(--ink);
    font-size:16.5px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{
    flex:0 0 auto;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    color:var(--brand);
    font-size:16px;
    line-height:1;
    transition:transform .26s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--line-hover);background:rgba(42,224,200,.12);}
  .faq-a{
    display:none;
    padding:0 20px 18px;
    color:var(--ink-sub);
    font-size:15px;
    line-height:1.85;
  }
  .faq-item.is-open .faq-a{display:block;}
  .faq-a p:last-child{margin-bottom:0;}

  /* ---------- 提示条 ---------- */
  .notice{
    display:flex;
    gap:14px;
    padding:18px 20px;
    border-radius:var(--radius-card);
    border:1px solid rgba(255,176,58,.32);
    background:rgba(255,176,58,.08);
    color:#FFD79B;
    font-size:14.5px;
    margin-top:20px;
  }
  .notice .mark{
    flex:0 0 auto;
    width:22px;height:22px;
    border-radius:50%;
    border:1px solid rgba(255,176,58,.5);
    display:flex;align-items:center;justify-content:center;
    font-size:13px;
    margin-top:2px;
  }

  /* ---------- 相关栏目导航 ---------- */
  .link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .link-row a{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:11px 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
    color:var(--ink-sub);
    font-size:14px;
  }
  .link-row a:hover{color:var(--brand);border-color:var(--line-hover);transform:translateY(-2px);}

  /* ---------- CTA ---------- */
  .cta-banner{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
    align-items:center;
    padding:30px 26px;
    border-radius:var(--radius-panel);
    border:1px solid rgba(255,255,255,.1);
    background:
      linear-gradient(120deg, rgba(42,224,200,.16), rgba(109,107,255,.16)),
      rgba(10,16,32,.86);
    position:relative;
    overflow:hidden;
  }
  .cta-banner::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:36px 36px;
    opacity:.6;
    pointer-events:none;
  }
  .cta-banner h2{font-size:24px;font-weight:700;margin-bottom:10px;}
  .cta-banner p{color:var(--ink-sub);margin:0;font-size:15px;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}

  /* ---------- 数据条 ---------- */
  .stat-row{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
    margin-top:28px;
  }
  .stat-card{
    padding:22px;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    transition:transform .24s var(--ease), border-color .24s var(--ease);
  }
  .stat-card:hover{transform:translateY(-4px);border-color:var(--line-hover);}
  .stat-num{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:30px;
    font-weight:700;
    color:var(--brand);
    line-height:1.2;
  }
  .stat-label{font-size:14px;color:var(--ink-sub);margin-top:8px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:56px;
    border-top:1px solid var(--line);
    background:rgba(7,12,24,.9);
    padding:52px 0 26px;
    position:relative;
    z-index:1;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);margin-bottom:14px;}
  .footer-text{font-size:14px;color:var(--ink-weak);line-height:1.8;margin:0;max-width:330px;}
  .footer-title{
    font-size:14px;
    font-weight:700;
    letter-spacing:.1em;
    color:var(--ink);
    margin-bottom:14px;
  }
  .footer-links{display:flex;flex-direction:column;gap:9px;}
  .footer-links a{font-size:14px;color:var(--ink-weak);transition:color .2s var(--ease), transform .2s var(--ease);}
  .footer-links a:hover{color:var(--brand);transform:translateX(-2px);}
  .footer-bottom{
    margin-top:34px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    justify-content:space-between;
    font-size:13px;
    color:var(--ink-weak);
  }

  /* ---------- 响应式 ---------- */
  @media (min-width:640px){
    .container-x{padding-left:32px;padding-right:32px;}
    .page-hero h1{font-size:40px;}
    .symptom-grid,.result-list{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
    .section{padding:72px 0;}
  }
  @media (min-width:768px){
    .nav-links{display:flex;}
    .nav-toggle{display:none;}
    .mobile-drawer{display:none !important;}
    .hero-strip img{height:230px;}
    .panel{padding:30px 28px;}
    .section-head h2{font-size:30px;}
    .stat-row{grid-template-columns:repeat(4,minmax(0,1fr));}
    .cta-banner{grid-template-columns:1.6fr auto;padding:38px 36px;}
  }
  @media (min-width:1024px){
    .container-x{padding-left:48px;padding-right:48px;}
    .page-hero h1{font-size:48px;}
    .guide-layout{grid-template-columns:264px minmax(0,1fr);gap:32px;}
    .toc{display:block;}
    .toc-scroll{display:none;}
    .section{padding:96px 0;}
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;}
  }
  @media (min-width:1280px){
    .page-hero h1{font-size:52px;}
    .nav-link{padding:8px 15px;}
  }

/* roulang page: category5 */
:root{
    --bg:#05080F;
    --bg-2:#0A1020;
    --bg-3:#070C18;
    --brand:#2AE0C8;
    --brand-hover:#5BF5E2;
    --brand-press:#17B8A6;
    --brand-2:#6D6BFF;
    --accent:#FFB03A;
    --text:#EAF2FF;
    --text-2:#9FB0CC;
    --text-3:#64748F;
    --line:rgba(255,255,255,.08);
    --line-hover:rgba(42,224,200,.45);
    --panel:rgba(255,255,255,.05);
    --glow:0 0 0 1px rgba(42,224,200,.5), 0 12px 32px rgba(42,224,200,.22);
    --shadow-rest:0 8px 24px rgba(0,0,0,.35);
    --shadow-hover:0 18px 48px rgba(0,0,0,.5);
    --radius-card:18px;
    --radius-panel:24px;
    --radius-input:12px;
    --ease:cubic-bezier(.2,.7,.3,1);
    --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
    --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sans);
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(680px 420px at 12% 4%, rgba(42,224,200,.08), transparent 70%),
      radial-gradient(560px 380px at 92% 22%, rgba(109,107,255,.07), transparent 72%),
      linear-gradient(transparent 39px, rgba(255,255,255,.03) 40px),
      linear-gradient(90deg, transparent 39px, rgba(255,255,255,.03) 40px);
    background-size:auto,auto,40px 40px,40px 40px;
  }
  img{max-width:100%;display:block;}
  a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease);}
  a:hover{color:var(--brand-hover);}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text);}
  p{margin:0 0 1em;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container-x{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 20px;
    position:relative;
    z-index:1;
  }

  /* ---------- 顶部悬浮胶囊导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    padding:18px 0 8px;
    transition:padding .26s var(--ease);
  }
  .nav-shell{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:12px 18px;
    border-radius:999px;
    background:rgba(10,16,32,.72);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--line);
    box-shadow:var(--shadow-rest);
    transition:padding .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease);
  }
  .site-header.is-scrolled{padding:10px 0 6px;}
  .site-header.is-scrolled .nav-shell{
    padding:8px 14px;
    background:rgba(8,13,26,.92);
    border-color:rgba(42,224,200,.22);
  }
  .brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
  .brand:hover{color:var(--text);}
  .brand-mark{
    width:34px;height:34px;flex:0 0 34px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:rgba(42,224,200,.1);
    border:1px solid rgba(42,224,200,.28);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  }
  .brand-mark svg{width:19px;height:19px;}
  .brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{
    display:inline-block;
    padding:8px 13px;
    border-radius:999px;
    font-size:14px;
    color:var(--text-2);
    border:1px solid transparent;
    white-space:nowrap;
    transition:color .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--line);}
  .nav-link.is-active{
    color:#04120F;
    background:var(--brand);
    border-color:var(--brand);
    box-shadow:0 6px 20px rgba(42,224,200,.25);
    font-weight:600;
  }
  .nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .nav-ghost{font-size:14px;color:var(--text-2);}
  .nav-ghost:hover{color:var(--brand);}
  .nav-toggle{
    display:none;
    width:40px;height:40px;
    border-radius:12px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.04);
    cursor:pointer;
    padding:0;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
  }
  .nav-toggle span{display:block;width:17px;height:2px;background:var(--text);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .mobile-drawer{
    display:none;
    flex-direction:column;
    gap:6px;
    margin-top:12px;
    padding:14px;
    border-radius:22px;
    background:rgba(10,16,32,.96);
    backdrop-filter:blur(18px);
    border:1px solid var(--line);
    box-shadow:var(--shadow-hover);
  }
  .mobile-drawer.is-open{display:flex;}
  .mobile-drawer a{
    padding:11px 14px;
    border-radius:14px;
    font-size:15px;
    color:var(--text-2);
    border:1px solid transparent;
  }
  .mobile-drawer a:hover{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line);}
  .mobile-drawer a.is-active{background:rgba(42,224,200,.14);color:var(--brand);border-color:var(--line-hover);font-weight:600;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  }
  .btn-primary{background:var(--brand);color:#04120F;box-shadow:var(--glow);}
  .btn-primary:hover{background:var(--brand-hover);color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(42,224,200,.6),0 16px 40px rgba(42,224,200,.28);}
  .btn-primary:active{transform:translateY(0);background:var(--brand-press);}
  .btn-ghost{background:rgba(255,255,255,.03);color:var(--text);border-color:rgba(255,255,255,.16);}
  .btn-ghost:hover{color:var(--brand);border-color:var(--line-hover);background:rgba(42,224,200,.07);transform:translateY(-2px);}
  .btn-sm{padding:9px 18px;font-size:14px;}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--brand);
    text-transform:uppercase;
    margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
  .section-title{font-size:clamp(26px,3.4vw,36px);font-weight:700;letter-spacing:-.015em;margin-bottom:14px;}
  .section-lead{color:var(--text-2);max-width:720px;font-size:16px;line-height:1.85;}

  .badge{
    display:inline-flex;align-items:center;
    padding:5px 12px;
    border-radius:999px;
    font-size:12px;font-weight:700;letter-spacing:.06em;
    background:rgba(42,224,200,.12);
    color:var(--brand);
    border:1px solid rgba(42,224,200,.28);
  }
  .badge-violet{background:rgba(109,107,255,.14);color:#A9A8FF;border-color:rgba(109,107,255,.3);}
  .badge-amber{background:rgba(255,176,58,.14);color:#FFC878;border-color:rgba(255,176,58,.32);}

  .card{
    background:var(--panel);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-rest);
    transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
  }
  .card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-hover);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--text-3);
    padding:22px 0 0;
  }
  .breadcrumb a{color:var(--text-2);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:var(--text-3);}
  .breadcrumb .current{color:var(--text-3);}

  /* ---------- Hero 紧凑版 ---------- */
  .hero-compact{
    position:relative;
    padding:52px 0 46px;
    margin-top:16px;
    border-radius:var(--radius-panel);
    border:1px solid var(--line);
    overflow:hidden;
    background:var(--bg-2);
    box-shadow:var(--shadow-rest);
  }
  .hero-compact::after{
    content:"";
    position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.png");
    background-size:cover;
    background-position:center right;
    opacity:.22;
  }
  .hero-compact::before{
    content:"";
    position:absolute;inset:0;
    z-index:1;
    background:linear-gradient(100deg,rgba(5,8,15,.94) 30%,rgba(5,8,15,.62) 70%,rgba(5,8,15,.85));
  }
  .hero-compact .hero-inner{position:relative;z-index:2;padding:0 30px;}
  .hero-compact h1{
    font-size:clamp(30px,4.2vw,46px);
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.18;
    margin:14px 0 16px;
    max-width:820px;
  }
  .hero-compact p{color:var(--text-2);max-width:700px;font-size:16px;margin-bottom:0;}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

  /* ---------- 时间线 ---------- */
  .timeline{position:relative;padding-left:38px;margin-top:44px;}
  .timeline::before{
    content:"";
    position:absolute;
    left:11px;top:8px;bottom:14px;
    width:2px;
    border-radius:2px;
    background:linear-gradient(180deg,var(--brand),rgba(42,224,200,.28) 45%,rgba(42,224,200,.02));
  }
  .tl-item{position:relative;padding-bottom:36px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    position:absolute;
    left:-38px;top:2px;
    width:24px;height:24px;
    border-radius:50%;
    background:var(--bg-2);
    border:1px solid rgba(42,224,200,.55);
    box-shadow:0 0 0 4px rgba(42,224,200,.1),0 0 18px rgba(42,224,200,.35);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--mono);
    font-size:11px;font-weight:700;
    color:var(--brand);
  }
  .tl-body{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px 24px;
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-rest);
    transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
  }
  .tl-body:hover{transform:translateY(-3px);border-color:var(--line-hover);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-hover);}
  .tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
  .tl-head h3{font-size:20px;font-weight:600;}
  .tl-body p{color:var(--text-2);margin-bottom:14px;}
  .tl-figure{
    margin-top:6px;
    border-radius:16px;
    overflow:hidden;
    border:1px solid var(--line);
    position:relative;
  }
  .tl-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    display:inline-flex;
    padding:4px 11px;
    border-radius:999px;
    font-size:12px;
    color:var(--text-2);
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
  }
  .tag-brand{color:var(--brand);border-color:rgba(42,224,200,.28);background:rgba(42,224,200,.08);}
  .tag-violet{color:#A9A8FF;border-color:rgba(109,107,255,.28);background:rgba(109,107,255,.1);}

  /* ---------- 表格 ---------- */
  .table-wrap{
    margin-top:36px;
    border:1px solid var(--line);
    border-radius:var(--radius-panel);
    overflow:hidden;
    background:rgba(255,255,255,.02);
    box-shadow:var(--shadow-rest);
  }
  .table-scroll{overflow-x:auto;}
  table.env-table{width:100%;border-collapse:collapse;min-width:660px;}
  .env-table thead th{
    text-align:left;
    padding:16px 20px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.06em;
    color:var(--text-2);
    background:rgba(255,255,255,.05);
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .env-table tbody td{
    padding:16px 20px;
    font-size:14.5px;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  .env-table tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
  .env-table tbody tr:hover{background:rgba(42,224,200,.07);}
  .env-table tbody tr:last-child td{border-bottom:none;}
  .env-table td strong{color:var(--text);font-weight:600;}
  .mono{font-family:var(--mono);letter-spacing:-.01em;}

  /* ---------- 清单双栏 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:22px;
    margin-top:36px;
  }
  .check-col{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px;
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  }
  .check-col h3{font-size:20px;font-weight:600;margin-bottom:8px;}
  .check-col .desc{color:var(--text-2);font-size:14px;margin-bottom:16px;}
  .check-list li{
    display:flex;gap:12px;align-items:flex-start;
    padding:11px 0;
    border-top:1px solid var(--line);
    font-size:15px;
    color:var(--text-2);
  }
  .check-list li:first-child{border-top:none;}
  .check-list .ck{
    flex:0 0 20px;
    width:20px;height:20px;margin-top:4px;
    border-radius:6px;
    border:1px solid rgba(42,224,200,.4);
    background:rgba(42,224,200,.12);
    display:flex;align-items:center;justify-content:center;
    color:var(--brand);
    font-size:12px;
    font-weight:700;
  }

  /* ---------- FAQ ---------- */
  .faq-list{margin-top:38px;display:grid;gap:14px;}
  .faq-item{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-rest);
    overflow:hidden;
    transition:border-color .26s var(--ease);
  }
  .faq-item.is-open{border-color:var(--line-hover);}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;
    background:transparent;
    border:none;
    color:var(--text);
    font-size:16.5px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
    transition:color .24s var(--ease);
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{
    flex:0 0 26px;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid rgba(42,224,200,.35);
    display:flex;align-items:center;justify-content:center;
    color:var(--brand);
    font-size:16px;
    line-height:1;
    transition:transform .26s var(--ease),background .26s var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(42,224,200,.16);}
  .faq-a{
    display:none;
    padding:0 24px 18px;
    color:var(--text-2);
    font-size:15px;
    line-height:1.85;
  }
  .faq-item.is-open .faq-a{display:block;}

  /* ---------- CTA ---------- */
  .cta-banner{
    margin-top:8px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:26px;
    flex-wrap:wrap;
    padding:34px 36px;
    border-radius:var(--radius-panel);
    border:1px solid rgba(42,224,200,.24);
    background-image:linear-gradient(120deg,rgba(42,224,200,.12),rgba(109,107,255,.14)),linear-gradient(transparent 39px,rgba(255,255,255,.03) 40px),linear-gradient(90deg,transparent 39px,rgba(255,255,255,.03) 40px);
    background-size:auto,40px 40px,40px 40px;
    position:relative;
    overflow:hidden;
  }
  .cta-banner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px;}
  .cta-banner p{color:var(--text-2);margin:0;max-width:620px;}
  .cta-center{text-align:center;margin-top:44px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:96px;
    padding:64px 0 30px;
    background:var(--bg-3);
    border-top:1px solid var(--line);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;
    gap:32px;
    padding-bottom:34px;
    border-bottom:1px solid var(--line);
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-text{color:var(--text-3);font-size:14px;line-height:1.8;margin:0;max-width:300px;}
  .footer-title{
    font-size:14px;font-weight:700;letter-spacing:.06em;
    color:var(--text);margin-bottom:14px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:var(--text-3);font-size:14px;transition:color .24s var(--ease),transform .24s var(--ease);}
  .footer-links a:hover{color:var(--brand);transform:translateX(2px);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    padding-top:22px;
    color:var(--text-3);
    font-size:13px;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .nav-links{display:none;}
    .nav-ghost{display:none;}
    .nav-toggle{display:flex;}
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:26px;}
    .section{padding:70px 0;}
  }
  @media (max-width:768px){
    .container-x{padding:0 32px;}
    .hero-compact{padding:40px 0 36px;}
    .hero-compact .hero-inner{padding:0 26px;}
    .check-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
    .section{padding:60px 0;}
    .time-line{margin-top:32px;}
  }
  @media (max-width:520px){
    .container-x{padding:0 20px;}
    body{font-size:15.5px;}
    .brand-text{font-size:14.5px;white-space:normal;}
    .brand-mark{width:30px;height:30px;flex:0 0 30px;}
    .hero-compact{border-radius:20px;padding:32px 0 30px;}
    .hero-compact .hero-inner{padding:0 20px;}
    .timeline{padding-left:30px;}
    .tl-dot{left:-30px;width:22px;height:22px;font-size:10px;}
    .timeline::before{left:10px;}
    .tl-body{padding:18px 18px;}
    .check-col{padding:20px;}
    .faq-q{padding:16px 18px;font-size:15.5px;}
    .faq-a{padding:0 18px 16px;}
    .cta-banner{padding:26px 22px;}
    .footer-grid{grid-template-columns:1fr;gap:22px;}
    .site-footer{padding:48px 0 24px;margin-top:64px;}
  }