/* roulang page: index */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --surface:rgba(18,32,54,.62);
  --surface-solid:#0E1A2E;
  --line:rgba(150,200,255,.14);
  --line-strong:rgba(53,224,200,.34);
  --text-1:#EAF1FF;
  --text-2:#A9B8CE;
  --text-3:#6F819C;
  --accent:#35E0C8;
  --accent-2:#2E9BFF;
  --warm:#F0A85A;
  --danger:#FF7A7A;
  --success:#6FF0C8;
  --r-btn:12px;
  --r-sm:16px;
  --r-card:20px;
  --r-hero:28px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-btn:0 8px 24px rgba(53,224,200,.28);
  --shadow-btn-hover:0 12px 36px rgba(53,224,200,.45);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1000px 620px at 18% -12%, rgba(53,224,200,.10), transparent 62%),
    radial-gradient(900px 620px at 96% -6%, rgba(46,155,255,.10), transparent 60%),
    linear-gradient(rgba(150,200,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,200,255,.03) 1px, transparent 1px);
  background-size:auto, auto, 64px 64px, 64px 64px;
  background-repeat:no-repeat, no-repeat, repeat, repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:#7DF2E2;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;letter-spacing:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(53,224,200,.28);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg, rgba(11,20,36,.72), rgba(7,11,20,0));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  color:var(--accent);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(53,224,200,.08);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(53,224,200,.9);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(26px,3vw,38px);margin:18px 0 14px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--accent);}
.text-link svg{transition:transform .2s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#062028;
  box-shadow:var(--shadow-btn);
  border:1px solid transparent;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-btn-hover);color:#052028;filter:brightness(1.05);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(53,224,200,.24);}
.btn-ghost{
  background:transparent;color:var(--text-1);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(53,224,200,.08);color:var(--text-1);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-btn);}
.btn:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  height:72px;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.92);box-shadow:0 12px 32px rgba(0,0,0,.45);}
.header-inner{height:72px;display:flex;align-items:center;gap:32px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);flex:0 0 auto;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--accent);flex:0 0 auto;
  filter:drop-shadow(0 0 6px rgba(53,224,200,.6));
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line{font-size:15px;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.18em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:36px;padding:0 14px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--accent);}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 18px rgba(53,224,200,.75);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  color:var(--text-1);background:rgba(255,255,255,.04);
}
.nav-toggle:hover{border-color:var(--line-strong);}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:60;
  display:flex;flex-direction:column;
  padding:20px 20px 28px;
  background:rgba(7,11,20,.98);
  backdrop-filter:blur(18px);
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-links{display:flex;flex-direction:column;gap:6px;padding:24px 0;flex:1 1 auto;overflow-y:auto;}
.drawer-links a{
  display:flex;align-items:center;
  font-size:18px;font-weight:500;color:var(--text-2);
  padding:12px 12px;border-radius:10px;border-left:3px solid transparent;
}
.drawer-links a:hover{background:rgba(255,255,255,.04);color:var(--text-1);}
.drawer-links a.is-active{color:var(--accent);border-left-color:var(--accent);background:rgba(53,224,200,.07);}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-1);
}
.drawer-cta{flex:0 0 auto;}

/* ---------- 首屏 ---------- */
.hero{padding:calc(72px + 120px) 0 96px;position:relative;}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;}
.hero-copy{grid-column:span 6;}
.hero-copy h1{
  font-size:clamp(34px,4.8vw,58px);
  font-weight:700;line-height:1.15;
  margin:22px 0 20px;
  max-width:16em;
}
.hero-copy h1 .accent-word{
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:20px;line-height:1.7;color:var(--text-2);max-width:560px;margin:0 0 32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:36px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;}
.hero-meta li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.hero-meta svg{color:var(--accent);flex:0 0 auto;}
.hero-visual{grid-column:span 6;position:relative;}
.hero-panel{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);
  min-height:440px;
  background:
    linear-gradient(180deg, rgba(7,11,20,.15) 0%, rgba(7,11,20,.86) 78%),
    radial-gradient(600px 320px at 80% 10%, rgba(53,224,200,.18), transparent 70%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow-card);
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(150,200,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(150,200,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.5;pointer-events:none;
}
.panel-corners{position:absolute;top:20px;right:20px;width:52px;height:52px;pointer-events:none;}
.panel-corners::before,.panel-corners::after{content:"";position:absolute;background:rgba(53,224,200,.55);}
.panel-corners::before{top:0;right:0;width:1px;height:52px;}
.panel-corners::after{top:0;right:0;height:1px;width:52px;}
.hero-float{
  position:absolute;left:24px;bottom:24px;
  display:flex;gap:28px;
  padding:18px 22px;border-radius:var(--r-sm);
  background:var(--surface);
  border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-float dl{margin:0;}
.hero-float dt{font-size:11px;color:var(--text-3);letter-spacing:.04em;margin-bottom:2px;}
.hero-float dd{
  margin:0;font-size:20px;font-weight:700;color:var(--text-1);
  font-variant-numeric:tabular-nums;
}
.hero-float dd span{font-size:12px;font-weight:500;color:var(--text-3);margin-left:4px;}

/* ---------- 品牌主张 ---------- */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.principle{
  padding-top:24px;
  border-top:1px solid var(--line);
  transition:border-color .22s var(--ease);
}
.principle:hover{border-color:var(--line-strong);}
.principle .num{
  display:block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--warm);margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.principle h3{font-size:22px;margin-bottom:10px;}
.principle p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}

/* ---------- 故事区 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.story-aside{grid-column:span 5;align-self:start;position:sticky;top:112px;}
.story-aside h2{font-size:clamp(26px,3vw,38px);margin:18px 0 16px;}
.story-aside p{color:var(--text-2);font-size:16px;max-width:340px;}
.story-main{grid-column:span 7;}
.story-main > p{font-size:16px;line-height:1.85;color:var(--text-2);}
.timeline{position:relative;margin:36px 0 40px;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:4px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,var(--accent),rgba(46,155,255,.15));
}
.timeline li{position:relative;padding-bottom:26px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:8px;
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 12px rgba(53,224,200,.8);
}
.timeline h4{font-size:18px;margin-bottom:6px;}
.timeline p{font-size:15px;color:var(--text-2);margin:0;}
.story-figure{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.story-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease);}
.story-figure:hover img{transform:scale(1.03);}
.story-figure figcaption{font-size:13px;color:var(--text-3);padding:12px 18px;background:var(--surface-solid);border-top:1px solid var(--line);}

/* ---------- 精选内容 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--surface);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.card-media{overflow:hidden;background:linear-gradient(135deg,rgba(53,224,200,.14),rgba(46,155,255,.10));}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{font-size:20px;line-height:1.35;}
.card-body p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px;}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;color:var(--accent);
  padding:4px 12px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(53,224,200,.10);
  white-space:nowrap;
}
.date{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.card-lg{grid-column:span 7;}
.card-lg .card-media img{aspect-ratio:16/9;}
.card-lg .card-body h3{font-size:24px;}
.card-lg .card-body p{-webkit-line-clamp:3;font-size:16px;}
.card-stack{grid-column:span 5;display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card-sm .card-media img{aspect-ratio:16/9;}
.card-sm .card-body{padding:20px;}
.card-sm .card-body h3{font-size:18px;}
.card-half{grid-column:span 6;flex-direction:row;align-items:stretch;min-height:180px;}
.card-half .card-media{flex:0 0 42%;}
.card-half .card-media img{aspect-ratio:4/3;height:100%;}
.card-half .card-body{padding:22px;}
.card-half .card-body h3{font-size:19px;}

/* ---------- 最新信息 ---------- */
.latest-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.latest-aside{grid-column:span 4;align-self:start;position:sticky;top:112px;}
.latest-aside h2{font-size:clamp(26px,3vw,38px);margin:18px 0 16px;}
.latest-aside p{color:var(--text-2);font-size:15px;margin-bottom:22px;}
.latest-list{grid-column:span 8;}
.news-row{
  display:flex;align-items:center;gap:20px;
  padding:24px 16px;border-bottom:1px solid var(--line);
  border-radius:12px;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.news-row:first-child{border-top:1px solid var(--line);}
.news-row:hover{background:rgba(255,255,255,.03);}
.news-date{
  flex:0 0 auto;width:56px;height:56px;border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .2s var(--ease);
}
.news-row:hover .news-date{border-color:var(--line-strong);}
.news-date b{font-size:20px;font-weight:700;line-height:1;color:var(--text-1);font-variant-numeric:tabular-nums;}
.news-date span{font-size:11px;color:var(--text-3);margin-top:3px;}
.news-main{flex:1 1 auto;min-width:0;}
.news-main h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:6px;}
.news-main h3 a{color:var(--text-1);}
.news-main h3 a:hover{color:var(--accent);}
.news-main p{
  font-size:14px;color:var(--text-3);margin:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-tags{display:flex;align-items:center;gap:10px;margin-top:8px;}
.news-arrow{
  flex:0 0 auto;color:var(--text-3);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.news-row:hover .news-arrow{transform:translateX(4px);color:var(--accent);}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
  background:rgba(255,255,255,.02);
}
.empty-state svg{color:var(--text-3);margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ---------- 信任带 ---------- */
.trust-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.trust-item{padding:32px 24px;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;}
.trust-item strong{
  display:block;font-size:32px;font-weight:700;line-height:1.1;
  color:var(--text-1);font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.trust-item strong em{font-style:normal;font-size:15px;font-weight:500;color:var(--text-3);margin-left:6px;}
.trust-item span{font-size:13px;color:var(--text-2);}
.trust-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px;}
.trust-flow li{padding-left:18px;border-left:2px solid rgba(53,224,200,.35);}
.trust-flow h4{font-size:16px;margin-bottom:8px;}
.trust-flow p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.faq-aside{grid-column:span 5;align-self:start;}
.faq-aside h2{font-size:clamp(26px,3vw,38px);margin:18px 0 16px;}
.faq-aside p{color:var(--text-2);font-size:16px;max-width:340px;margin-bottom:22px;}
.faq-list{grid-column:span 7;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;
  background:var(--surface-solid);
  transition:border-color .2s var(--ease),background .2s var(--ease);
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(150,200,255,.3);}
.faq-item.is-open{
  border-color:var(--line-strong);
  background:linear-gradient(90deg,rgba(53,224,200,.08),rgba(53,224,200,0) 70%),var(--surface-solid);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;
  transition:transform .24s var(--ease);
  color:var(--accent);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{top:9px;left:0;width:20px;height:2px;}
.faq-icon::after{top:0;left:9px;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA 订阅 ---------- */
.cta-panel{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(110deg, rgba(11,20,36,.94) 30%, rgba(11,20,36,.72) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--shadow-card);
  padding:56px;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 300px at 88% 10%, rgba(53,224,200,.16), transparent 68%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center;}
.cta-copy{grid-column:span 6;}
.cta-copy h2{font-size:clamp(26px,3vw,34px);margin:16px 0 12px;}
.cta-copy p{color:var(--text-2);font-size:16px;margin:0;max-width:420px;}
.cta-form{grid-column:span 6;}
.subscribe{
  display:flex;align-items:center;gap:8px;
  padding:6px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(53,224,200,.18);}
.subscribe input{
  flex:1 1 auto;min-width:0;height:44px;border:0;background:transparent;
  color:var(--text-1);font-size:15px;padding:0 18px;outline:none;
}
.subscribe input::placeholder{color:var(--text-3);}
.subscribe button{flex:0 0 auto;}
.form-hint{font-size:13px;color:var(--text-3);margin:14px 0 0;}
.form-hint.is-success{color:var(--success);}
.form-hint.is-error{color:var(--danger);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,20,36,.5), rgba(7,11,20,.9));
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;margin:0 0 16px;}
.footer-mail{font-size:14px;color:var(--text-1);}
.footer-mail:hover{color:var(--accent);}
.footer-col h4{font-size:13px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.footer-bottom p{font-size:12px;color:var(--text-3);margin:0;}
.footer-bottom .legal{font-size:12px;color:var(--text-3);}
.backtop{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{border-color:var(--line-strong);color:var(--accent);transform:translateY(-2px);}
.float-top{
  position:fixed;right:24px;bottom:24px;z-index:40;
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(18,32,54,.82);border:1px solid var(--line);color:var(--text-2);
  backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),border-color .2s var(--ease);
}
.float-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-top:hover{border-color:var(--line-strong);color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .hero-copy,.hero-visual{grid-column:span 12;}
  .hero-visual{margin-top:8px;}
  .hero-panel{min-height:380px;}
  .hero-copy h1{max-width:100%;}
  .trust-band{grid-template-columns:repeat(2,1fr);}
  .trust-item:nth-child(2){border-right:0;}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:1024px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;gap:16px;}
  .section{padding:72px 0;}
  .story-aside,.latest-aside,.faq-aside{position:static;}
  .card-lg,.card-stack,.card-half{grid-column:span 12;}
  .card-stack{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .latest-aside,.latest-list{grid-column:span 12;}
  .faq-aside,.faq-list{grid-column:span 12;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .hero{padding:calc(72px + 80px) 0 64px;}
  .hero-sub{font-size:17px;}
  .hero-actions .btn{flex:1 1 100%;}
  .principles{grid-template-columns:1fr;gap:20px;}
  .story-aside,.story-main{grid-column:span 12;}
  .card-stack{grid-template-columns:1fr;}
  .card-half{flex-direction:column;}
  .card-half .card-media img{aspect-ratio:16/9;}
  .cta-panel{padding:32px 24px;}
  .cta-copy,.cta-form{grid-column:span 12;}
  .trust-flow{grid-template-columns:1fr;gap:24px;}
  .trust-band{grid-template-columns:1fr;}
  .trust-item{border-right:0;border-bottom:1px solid var(--line);}
  .trust-item:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:span 2;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .news-row{gap:14px;padding:20px 8px;}
  .news-main p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .float-top{right:16px;bottom:16px;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .hero-copy h1{font-size:clamp(32px,8vw,40px);}
  .hero-sub{font-size:16px;}
  .hero-meta{gap:14px;}
  .hero-meta li{font-size:12px;}
  .hero-panel{min-height:320px;}
  .hero-float{left:16px;right:16px;bottom:16px;gap:18px;padding:14px 16px;}
  .btn{height:46px;padding:0 20px;width:100%;}
  .hero-actions{flex-direction:column;}
  .subscribe{flex-direction:column;border-radius:var(--r-sm);padding:14px;gap:12px;}
  .subscribe input{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.04);}
  .subscribe button{width:100%;}
  .card-body{padding:18px;}
  .card-half .card-body{padding:18px;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;font-size:14px;}
  .news-date{width:44px;height:44px;border-radius:12px;}
  .news-date b{font-size:16px;}
  .news-date span{font-size:10px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand{grid-column:span 1;}
  .cta-panel{padding:26px 18px;}
  .section-head{margin-bottom:32px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .card:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --surface:rgba(18,32,54,.62);
  --surface-solid:#0E1A2E;
  --surface-2:rgba(255,255,255,.04);
  --line:rgba(150,200,255,.14);
  --line-hover:rgba(150,200,255,.30);
  --line-strong:rgba(53,224,200,.34);
  --text-1:#EAF1FF;
  --text-2:#A9B8CE;
  --text-3:#6F819C;
  --accent:#35E0C8;
  --accent-2:#2E9BFF;
  --warm:#F0A85A;
  --danger:#FF7A7A;
  --success:#6FF0C8;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --shadow-btn:0 8px 24px rgba(53,224,200,.28);
  --shadow-btn-hover:0 12px 36px rgba(53,224,200,.45);
  --container:1240px;
  --nav-h:72px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::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",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 16% -10%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(760px 460px at 94% 2%, rgba(46,155,255,.14), transparent 60%),
    linear-gradient(rgba(150,200,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,200,255,.03) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body.nav-locked{overflow:hidden;}

h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease);}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:120;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:rgba(7,11,20,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.92);
  box-shadow:0 12px 32px rgba(0,0,0,.42);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  width:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  color:var(--accent);
  background:linear-gradient(140deg, rgba(53,224,200,.18), rgba(46,155,255,.10));
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-line{
  font-size:15px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--text-1);
}
.brand-sub{
  font-size:11px;
  font-weight:500;
  letter-spacing:2px;
  color:var(--text-3);
  margin-top:3px;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--accent);
  background:rgba(53,224,200,.07);
}
.nav-link.is-active::after{
  transform:scaleX(1);
  box-shadow:0 0 18px rgba(53,224,200,.65);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  color:#04121A;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-btn-hover);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(53,224,200,.24);}
.btn-ghost{
  color:var(--text-1);
  border:1px solid var(--line);
  background:transparent;
}
.btn-ghost:hover{
  border-color:var(--line-strong);
  background:rgba(53,224,200,.08);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-1);
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.03);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(53,224,200,.08);}

.nav-close{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-1);
  align-items:center;
  justify-content:center;
  align-self:flex-end;
  margin-bottom:8px;
}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{
  padding-top:calc(var(--nav-h) + 40px);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin:0;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-1);}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  padding:32px 0 56px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,20,.55),rgba(7,11,20,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.30;
  z-index:0;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--accent);
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:rgba(53,224,200,.08);
}
.eyebrow::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(53,224,200,.9);
}
.page-hero h1{
  margin:20px 0 18px;
  font-size:clamp(34px,4.8vw,58px);
  font-weight:700;
  line-height:1.15;
  letter-spacing:0;
  max-width:16em;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-lead{
  max-width:640px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ 数据条 ============ */
.stat-band{
  padding:0 0 56px;
}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  padding:28px 8px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(11,20,36,.5);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px) saturate(130%);
  -webkit-backdrop-filter:blur(12px) saturate(130%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.stat-item{
  padding:0 24px;
  border-left:1px solid var(--line);
}
.stat-item:first-child{border-left:0;}
.stat-num{
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.stat-num span{color:var(--accent);}
.stat-label{
  margin-top:8px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 主内容双栏 ============ */
.section{padding:56px 0;}
.split{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.toc{
  position:sticky;
  top:calc(var(--nav-h) + 32px);
  padding:24px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:rgba(11,20,36,.72);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.toc-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:2px;
  color:var(--text-3);
  margin-bottom:16px;
  text-transform:uppercase;
}
.toc-list{display:flex;flex-direction:column;gap:4px;}
.toc-link{
  position:relative;
  display:block;
  padding:9px 12px 9px 16px;
  font-size:14px;
  line-height:1.5;
  color:var(--text-2);
  border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.toc-link::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:2px;
  border-radius:2px;
  background:transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.toc-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.toc-link.is-active{
  color:var(--accent);
  background:rgba(53,224,200,.08);
}
.toc-link.is-active::before{
  background:var(--accent);
  box-shadow:0 0 12px rgba(53,224,200,.7);
}

.article-body{
  background:var(--surface-solid);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:44px 48px;
  box-shadow:var(--shadow-card);
}
.content-section{
  scroll-margin-top:96px;
  padding-bottom:40px;
  margin-bottom:40px;
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(150,200,255,.24),rgba(150,200,255,0)) 1;
}
.content-section:last-child{
  border-bottom:0;
  padding-bottom:0;
  margin-bottom:0;
}
.content-section h2{
  position:relative;
  margin:0 0 20px;
  padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);
  font-weight:600;
  line-height:1.35;
  letter-spacing:.2px;
}
.content-section h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  bottom:.28em;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  box-shadow:0 0 14px rgba(53,224,200,.5);
}
.content-section p{
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:1.2em;
}
.content-section p:last-child{margin-bottom:0;}
.content-section strong{color:var(--text-1);font-weight:600;}

.point-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin:8px 0 24px;
}
.point-list li{
  position:relative;
  padding-left:26px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--text-2);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.72em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(53,224,200,.7);
}
.point-list li b{color:var(--text-1);font-weight:600;}

.figure{
  margin:8px 0 28px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-1);
}
.figure img{
  width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
}
.figure figcaption{
  padding:12px 16px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
}

.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:8px 0 4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  font-size:12px;
  font-weight:500;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.03);
}
.chip.is-on{
  color:var(--accent);
  border-color:var(--line-strong);
  background:rgba(53,224,200,.12);
}

/* ============ 底部 CTA ============ */
.cta-band{
  padding:24px 0 96px;
}
.cta-panel{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px 44px;
  border-radius:var(--r-xl);
  border:1px solid var(--line-strong);
  background:rgba(18,32,54,.62);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(110deg,rgba(7,11,20,.92),rgba(7,11,20,.62)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.35;
  z-index:0;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;
  line-height:1.3;
  margin-bottom:10px;
}
.cta-panel p{
  font-size:15px;
  color:var(--text-2);
  max-width:520px;
}
.cta-actions{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  flex-shrink:0;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--accent);
}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,20,36,.6),rgba(7,11,20,.96));
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin:18px 0 14px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-3);
  max-width:340px;
}
.footer-mail{
  font-size:14px;
  color:var(--accent);
  border-bottom:1px dashed rgba(53,224,200,.4);
  padding-bottom:2px;
}
.footer-mail:hover{border-bottom-color:var(--accent);}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.6px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  border-top:1px solid var(--line);
}
.footer-bottom p,
.footer-bottom .legal{
  font-size:12px;
  color:var(--text-3);
  line-height:1.7;
}
.footer-bottom-right{
  display:flex;
  align-items:center;
  gap:20px;
}
.backtop{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:50%;
  color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(18,32,54,.7);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{
  color:var(--accent);
  border-color:var(--line-strong);
  transform:translateY(-2px);
}

/* ============ 浮动返回顶部 ============ */
.float-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:110;
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:50%;
  color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(14,26,46,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,color .2s,border-color .2s;
}
.float-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-top:hover{color:var(--accent);border-color:var(--line-strong);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:32px;}
  .toc{
    position:static;
    padding:18px;
  }
  .toc-list{
    flex-direction:row;
    overflow-x:auto;
    gap:8px;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .toc-link{
    flex:0 0 auto;
    white-space:nowrap;
    padding:8px 14px;
    border:1px solid var(--line);
    border-radius:999px;
    background:rgba(255,255,255,.03);
  }
  .toc-link::before{display:none;}
  .article-body{padding:36px 32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);row-gap:24px;padding:24px 8px;}
  .stat-item:nth-child(3){border-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:959px){
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(88vw,360px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:24px 20px 96px;
    margin:0;
    background:rgba(8,14,26,.98);
    border-left:1px solid var(--line);
    box-shadow:-24px 0 60px rgba(0,0,0,.6);
    transform:translateX(102%);
    transition:transform .28s var(--ease);
    overflow-y:auto;
    backdrop-filter:blur(20px) saturate(140%);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-close{display:inline-flex;}
  .nav-link{
    font-size:18px;
    padding:14px 16px;
    border-radius:10px;
  }
  .nav-link::after{
    left:0;
    right:auto;
    top:10px;
    bottom:10px;
    width:3px;
    height:auto;
    transform:scaleY(0);
    transform-origin:top center;
    border-radius:3px;
  }
  .nav-link.is-active::after{transform:scaleY(1);}
  .nav-link.is-active{box-shadow:none;background:rgba(53,224,200,.08);}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .cta-actions{width:100%;}
}
@media (max-width:767px){
  .container{padding:0 24px;}
  .section{padding:48px 0;}
  .page-hero{padding:24px 0 44px;}
  .breadcrumb-wrap{padding-top:calc(var(--nav-h) + 28px);}
  .article-body{padding:28px 22px;border-radius:var(--r-md);}
  .content-section{padding-bottom:32px;margin-bottom:32px;}
  .content-section h2{padding-left:14px;}
  .content-section p{font-size:15.5px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:16px 0 72px;}
  .float-top{right:16px;bottom:16px;}
}
@media (max-width:559px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:clamp(30px,8vw,38px);}
  .page-lead{font-size:15px;}
  .stat-strip{grid-template-columns:1fr;padding:20px 18px;row-gap:0;}
  .stat-item{
    border-left:0;
    border-top:1px solid var(--line);
    padding:16px 0;
  }
  .stat-item:first-child{border-top:0;padding-top:0;}
  .stat-item:last-child{padding-bottom:0;}
  .stat-num{font-size:28px;}
  .article-body{padding:22px 18px;}
  .cta-panel{padding:26px 20px;border-radius:var(--r-lg);}
  .cta-actions{flex-direction:column;align-items:stretch;gap:14px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom-right{width:100%;justify-content:space-between;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .btn:hover,.footer-col a:hover,.backtop:hover,.float-top{transform:none !important;}
}

/* roulang page: article */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --bg-2:#0A1220;
  --surface:rgba(18,32,54,.62);
  --surface-solid:#0E1A2E;
  --line:rgba(150,200,255,.14);
  --line-strong:rgba(53,224,200,.34);
  --text-1:#EAF1FF;
  --text-2:#A9B8CE;
  --text-3:#6F819C;
  --text-body:#CBD9EC;
  --accent:#35E0C8;
  --accent-2:#2E9BFF;
  --warm:#F0A85A;
  --danger:#FF7A7A;
  --success:#6FF0C8;
  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --shadow-btn:0 8px 24px rgba(53,224,200,.28);
  --shadow-btn-hover:0 12px 36px rgba(53,224,200,.45);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1100px 540px at 10% -12%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(880px 480px at 90% -4%, rgba(46,155,255,.14), transparent 60%),
    linear-gradient(180deg,#070B14 0%,#070B14 58%,#060A12 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(150,200,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,200,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#6FF0C8}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.site-header,.site-footer,.page-main{position:relative;z-index:1}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.94);
  box-shadow:0 14px 38px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{
  display:grid;place-items:center;
  width:26px;height:26px;
  color:var(--accent);
  filter:drop-shadow(0 0 7px rgba(53,224,200,.55));
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-line{font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.34em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);
  transform-origin:left center;
  opacity:0;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(1);opacity:.55}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{transform:scaleX(1);opacity:1;box-shadow:0 0 18px rgba(53,224,200,.8)}
.nav-cta{
  flex:0 0 auto;
  margin-left:12px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 20px;
  font-size:14px;
  font-weight:700;
  color:#04140F;
  border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow-btn);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.nav-cta:hover{
  color:#04140F;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:var(--shadow-btn-hover);
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  color:var(--text-1);
  cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(53,224,200,.1)}
.nav-toggle svg{width:20px;height:20px}

/* ============ MOBILE DRAWER ============ */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:200;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  background:rgba(7,11,20,.985);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .28s var(--ease),visibility .28s var(--ease);
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  color:var(--text-1);
  cursor:pointer;
}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:24px 0;flex:1 1 auto;overflow-y:auto}
.drawer-nav a{
  position:relative;
  display:block;
  padding:14px 12px 14px 18px;
  font-size:18px;
  font-weight:600;
  color:var(--text-2);
  border-radius:10px;
}
.drawer-nav a::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  opacity:0;
  transition:opacity .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--text-1);background:rgba(255,255,255,.03)}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-nav a.is-active::before{opacity:1}
.drawer-cta{
  margin-top:auto;
  height:52px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
  color:#04140F;
  border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow-btn);
}
.drawer-cta:hover{color:#04140F}

/* ============ BUTTONS / TAGS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{color:#04140F;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--shadow-btn-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(53,224,200,.22)}
.btn-ghost{
  color:var(--text-1);
  background:transparent;
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(53,224,200,.08)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
}
.link-arrow svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.tag,.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  font-size:12px;
  font-weight:500;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.03);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{border-color:var(--line-strong);color:var(--accent);background:rgba(53,224,200,.08)}
.badge-accent{
  color:var(--accent);
  border-color:rgba(53,224,200,.38);
  background:rgba(53,224,200,.1);
}
.badge-accent::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 8px rgba(53,224,200,.9);
}

/* ============ BREADCRUMB ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(150,200,255,.32)}
.breadcrumb .current{color:var(--text-1);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ ARTICLE HERO ============ */
.article-hero{padding:132px 0 0}
.article-head{max-width:900px}
.article-head .badge{margin-bottom:22px}
.article-title{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.2;
  font-weight:700;
  margin-bottom:22px;
  overflow-wrap:break-word;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:13px;
  color:var(--text-3);
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(150,200,255,.4)}
.meta-date{
  padding:4px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.article-lead{
  max-width:760px;
  margin-top:24px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}
.article-cover{
  margin-top:40px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#0E1A2E,#0A1220);
  box-shadow:var(--shadow-card);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-caption{
  margin-top:12px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ ARTICLE LAYOUT ============ */
.article-section{padding:48px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0;max-width:760px}

/* ============ PROSE ============ */
.prose{font-size:17px;line-height:1.9;color:var(--text-body)}
.prose > *:first-child{margin-top:0}
.prose p{margin:1.35em 0;color:var(--text-body)}
.prose h2{
  position:relative;
  margin:2.4em 0 .8em;
  padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  font-weight:600;
  color:var(--text-1);
}
.prose h2::before{
  content:"";
  position:absolute;left:0;top:.32em;bottom:.32em;
  width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  box-shadow:0 0 14px rgba(53,224,200,.5);
}
.prose h3{
  margin:1.8em 0 .6em;
  font-size:20px;
  font-weight:600;
  color:var(--text-1);
}
.prose h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--text-1)}
.prose ul,.prose ol{margin:1.2em 0;padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:.5em 0;color:var(--text-body)}
.prose li::marker{color:var(--accent)}
.prose strong{color:var(--text-1);font-weight:600}
.prose a{color:var(--accent);border-bottom:1px solid rgba(53,224,200,.35)}
.prose a:hover{border-bottom-color:var(--accent)}
.prose blockquote{
  margin:1.8em 0;
  padding:20px 24px;
  border-left:3px solid var(--accent);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(53,224,200,.06);
  color:var(--text-2);
  font-size:16px;
}
.prose blockquote p{margin:.4em 0}
.prose img{border-radius:var(--radius-md);margin:1.8em 0;width:100%}
.prose figure{margin:1.8em 0}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.prose code{
  padding:2px 7px;
  font-size:14px;
  border-radius:6px;
  color:#9FF4E6;
  background:rgba(53,224,200,.1);
  border:1px solid rgba(53,224,200,.2);
}
.prose pre{
  margin:1.6em 0;
  padding:18px 20px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(9,17,30,.9);
  overflow-x:auto;
}
.prose pre code{background:none;border:none;padding:0;color:var(--text-2)}
.prose table{
  width:100%;
  margin:1.6em 0;
  border-collapse:collapse;
  font-size:14.5px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.prose th,.prose td{border:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:top}
.prose th{background:rgba(53,224,200,.06);color:var(--text-1);font-weight:600}
.prose hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

/* ============ EMPTY STATE ============ */
.article-empty{
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.02);
}
.article-empty svg{width:40px;height:40px;color:var(--text-3);margin-bottom:16px}
.article-empty h2{font-size:22px;font-weight:600;color:var(--text-1);margin-bottom:10px}
.article-empty p{font-size:15px;color:var(--text-2);margin-bottom:24px}

/* ============ SIDEBAR ============ */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--surface);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;
  letter-spacing:.08em;
  color:var(--text-1);
  margin-bottom:16px;
}
.side-title::before{
  content:"";
  width:3px;height:14px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;
  padding:8px 10px 8px 12px;
  font-size:14px;
  line-height:1.6;
  color:var(--text-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.toc-list a:hover,.toc-list a.is-current{
  color:var(--accent);
  border-left-color:var(--accent);
  background:rgba(53,224,200,.07);
}
.rel-list{display:flex;flex-direction:column;gap:14px}
.rel-item{display:flex;gap:12px;align-items:flex-start}
.rel-item img{
  width:72px;height:72px;
  flex:0 0 72px;
  object-fit:cover;
  border-radius:10px;
  border:1px solid var(--line);
}
.rel-body{min-width:0}
.rel-title{
  display:block;
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  color:var(--text-1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-title:hover{color:var(--accent)}
.rel-date{display:block;margin-top:6px;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.side-cta{display:flex;flex-direction:column;gap:10px}
.side-cta .btn{width:100%}

/* ============ FOOT OF ARTICLE ============ */
.article-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.foot-block{margin-top:44px}
.foot-block-title{
  font-size:18px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:20px;
}
.foot-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.foot-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--surface);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.foot-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.foot-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.foot-card:hover img{transform:scale(1.03)}
.foot-card-body{padding:16px 18px 20px}
.foot-card h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--text-1);margin-bottom:8px}
.foot-card p{font-size:13px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.back-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:40px;
}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:96px;
  padding-top:64px;
  border-top:1px solid var(--line);
  background:rgba(11,20,36,.7);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:340px;
  margin-bottom:16px;
}
.footer-mail{
  display:inline-block;
  font-size:14px;
  color:var(--accent);
  border-bottom:1px solid rgba(53,224,200,.3);
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p,.footer-bottom .legal{font-size:12px;color:var(--text-3);margin:0}
.backtop{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{color:var(--accent);border-color:var(--line-strong);background:rgba(53,224,200,.1);transform:translateY(-2px)}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-side{
    position:static;
    margin-top:40px;
    flex-direction:row;
    flex-wrap:wrap;
    gap:16px;
  }
  .article-side .side-card{flex:1 1 280px}
  .foot-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:960px){
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .article-hero{padding:118px 0 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-hero{padding:110px 0 0}
  .article-title{font-size:clamp(26px,7vw,34px)}
  .article-lead{font-size:15.5px}
  .prose{font-size:16px;line-height:1.85}
  .prose h2{font-size:21px;padding-left:14px}
  .prose h3{font-size:18px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .foot-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:560px){
  .article-head .badge{font-size:11px}
  .meta-row{gap:8px 14px;font-size:12px}
  .btn{width:100%}
  .back-row .btn{width:auto;flex:1 1 auto}
  .article-side{flex-direction:column}
  .side-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .foot-card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --surface:rgba(18,32,54,.62);
  --surface-solid:#0E1A2E;
  --line:rgba(150,200,255,.14);
  --line-strong:rgba(53,224,200,.34);
  --text-1:#EAF1FF;
  --text-2:#A9B8CE;
  --text-3:#6F819C;
  --accent:#35E0C8;
  --accent-2:#2E9BFF;
  --warm:#F0A85A;
  --danger:#FF7A7A;
  --success:#6FF0C8;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --shadow-btn:0 8px 24px rgba(53,224,200,.28);
  --shadow-btn-hover:0 12px 36px rgba(53,224,200,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(1000px 600px at 92% -4%, rgba(46,155,255,.14), transparent 60%),
    linear-gradient(rgba(150,200,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,200,255,.03) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,scroll,scroll;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:72px;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.92);
  box-shadow:0 12px 32px rgba(0,0,0,.42);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  color:var(--accent);
  background:linear-gradient(160deg,rgba(53,224,200,.18),rgba(46,155,255,.10));
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-line{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text-1);}
.brand-sub{font-size:10px;letter-spacing:.24em;color:var(--text-3);}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 18px rgba(53,224,200,.6);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--accent);}
.nav-link.is-active::after{transform:scaleX(1);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#06121B;
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-btn-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(53,224,200,.22);}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(53,224,200,.08);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.nav-cta{margin-left:12px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  color:var(--text-1);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--accent);}

/* drawer */
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  background:rgba(7,11,20,.97);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  transform:translateY(-102%);
  visibility:hidden;
  transition:transform .28s var(--ease),visibility .28s var(--ease);
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  font-size:22px;
  line-height:1;
  color:var(--text-1);
}
.drawer-close:hover{border-color:var(--line-strong);color:var(--accent);}
.drawer-nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:24px 0;
  overflow-y:auto;
}
.drawer-nav a{
  display:block;
  padding:14px 16px;
  font-size:18px;
  color:var(--text-2);
  border-left:2px solid transparent;
  border-radius:0 12px 12px 0;
}
.drawer-nav a.is-active{
  color:var(--accent);
  border-left-color:var(--accent);
  background:rgba(53,224,200,.08);
}
.drawer-cta{margin-top:auto;width:100%;}

/* breadcrumb */
.breadcrumb{
  font-size:13px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:24px 0 0;
}
.breadcrumb a{color:var(--text-3);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(111,129,156,.6);}
.breadcrumb .current{color:var(--text-1);}

/* main offset */
main{padding-top:72px;}

/* page hero */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:32px 0 64px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.26;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,.96) 6%,rgba(7,11,20,.72) 58%,rgba(7,11,20,.94) 100%);
  z-index:1;
}
.page-hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(53,224,200,.08);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--accent);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px var(--accent);
}
.page-hero h1{
  font-size:clamp(32px,4.6vw,52px);
  font-weight:700;
  line-height:1.16;
  letter-spacing:0;
  margin-top:20px;
  max-width:920px;
}
.hero-lead{
  margin-top:18px;
  max-width:660px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}

/* chip row */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:12px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.chip.is-current{
  color:var(--accent);
  border-color:var(--line-strong);
  background:rgba(53,224,200,.12);
}
.chip .chip-count{
  font-variant-numeric:tabular-nums;
  color:var(--text-3);
  font-size:11px;
}
.chip.is-current .chip-count{color:rgba(53,224,200,.72);}

/* section */
.section{padding:80px 0;}
.section-tight{padding:56px 0 80px;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(26px,3vw,36px);
  font-weight:600;
  line-height:1.25;
}
.section-head p{
  max-width:520px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.rule-top{
  border-top:1px solid var(--line);
  padding-top:36px;
}

/* index grid */
.index-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.idx-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--surface);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.idx-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
}
.idx-media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#0E1A2E,#14263F);
}
.idx-media img{
  width:100%;
  height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.idx-card:hover .idx-media img{transform:scale(1.03);}
.idx-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(7,11,20,.55) 100%);
  pointer-events:none;
}
.idx-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.idx-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
  color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.tag-accent{
  color:var(--accent);
  border-color:var(--line-strong);
  background:rgba(53,224,200,.12);
}
.tag-warm{
  color:var(--warm);
  border-color:rgba(240,168,90,.32);
  background:rgba(240,168,90,.10);
}
.idx-title{
  font-size:20px;
  font-weight:600;
  line-height:1.45;
  color:var(--text-1);
  transition:color .2s var(--ease);
}
.idx-card:hover .idx-title{color:var(--accent);}
.idx-desc{
  margin-top:10px;
  font-size:14px;
  line-height:1.78;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.idx-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:auto;
  padding-top:18px;
  font-size:12px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.idx-meta .dot{
  width:3px;height:3px;
  border-radius:50%;
  background:rgba(111,129,156,.7);
}
.idx-feature{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  align-items:stretch;
}
.idx-feature .idx-media{height:100%;}
.idx-feature .idx-media img{
  height:100%;
  aspect-ratio:auto;
  min-height:280px;
}
.idx-feature .idx-body{padding:32px 34px;}
.idx-feature .idx-title{font-size:24px;line-height:1.4;}
.idx-feature .idx-desc{
  -webkit-line-clamp:3;
  font-size:15px;
  margin-top:12px;
}
.idx-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:20px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
}
.idx-more span{transition:transform .2s var(--ease);}
.idx-card:hover .idx-more span{transform:translateX(4px);}

/* notes list */
.notes-list{
  border-top:1px solid var(--line);
  margin-top:8px;
}
.note-row{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:24px;
  padding:26px 20px 26px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.note-row:hover{background:rgba(255,255,255,.03);}
.note-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--warm);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.note-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
}
.note-body p{
  margin-top:8px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:760px;
}

/* split block */
.split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.split .sticky{
  position:sticky;
  top:104px;
}
.split h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:600;
  line-height:1.3;
}
.split .split-lead{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:320px;
}
.split .split-body p{
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:660px;
}
.split .split-body p + p{margin-top:16px;}

/* related */
.related{
  margin-top:64px;
  padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.related-label{
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.related-links{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--accent);
  transition:color .2s var(--ease);
}
.link-arrow::after{
  content:"→";
  transition:transform .2s var(--ease);
}
.link-arrow:hover::after{transform:translateX(4px);}
.link-arrow:hover{color:#6FF0DE;}

/* footer */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,20,36,.6),rgba(7,11,20,.95));
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  padding:64px 0 48px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:340px;
}
.footer-mail{
  display:inline-block;
  margin-top:16px;
  font-size:14px;
  color:var(--accent);
  border-bottom:1px solid rgba(53,224,200,.3);
  padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.footer-mail:hover{color:#6FF0DE;border-color:rgba(111,240,222,.7);}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col li + li{margin-top:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border-top:1px solid var(--line);
  padding:20px 0 32px;
  font-size:12px;
  color:var(--text-3);
}
.footer-bottom-right{
  display:flex;
  align-items:center;
  gap:20px;
}
.legal{color:var(--text-3);}
.backtop{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(18,32,54,.6);
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{
  color:var(--accent);
  border-color:var(--line-strong);
  transform:translateY(-2px);
}
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}

/* responsive */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .index-grid{gap:20px;}
  .idx-feature .idx-body{padding:26px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split .sticky{position:static;}
  .split .split-lead{max-width:none;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:960px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:24px 0 52px;}
  .section{padding:64px 0;}
}

@media (max-width:768px){
  .index-grid{grid-template-columns:1fr;}
  .idx-feature{grid-template-columns:1fr;}
  .idx-feature .idx-media img{min-height:200px;aspect-ratio:16/10;}
  .idx-feature .idx-body{padding:22px 20px 24px;}
  .idx-feature .idx-title{font-size:21px;}
  .section-head{margin-bottom:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom-right{width:100%;justify-content:space-between;}
  .note-row{grid-template-columns:52px 1fr;gap:16px;padding:22px 12px 22px 0;}
  .to-top{right:16px;bottom:16px;}
}

@media (max-width:560px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .page-hero h1{font-size:clamp(30px,8vw,38px);}
  .hero-lead{font-size:15px;}
  .chip-row{gap:8px;margin-top:24px;}
  .chip{font-size:11px;padding:5px 11px;}
  .btn{width:100%;}
  .related{align-items:flex-start;}
  .related-links{flex-direction:column;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .idx-body{padding:18px;}
  .idx-title{font-size:18px;}
  .to-top{width:40px;height:40px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .idx-card:hover{transform:none;}
  .idx-card:hover .idx-media img{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --surface:rgba(18,32,54,.62);
  --surface-solid:#0E1A2E;
  --line:rgba(150,200,255,.14);
  --line-strong:rgba(53,224,200,.34);
  --text-1:#EAF1FF;
  --text-2:#A9B8CE;
  --text-3:#6F819C;
  --accent:#35E0C8;
  --accent-2:#2E9BFF;
  --warm:#F0A85A;
  --danger:#FF7A7A;
  --success:#6FF0C8;
  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45);
  --shadow-btn:0 8px 24px rgba(53,224,200,.28);
  --shadow-btn-hover:0 12px 36px rgba(53,224,200,.45);
  --container:1240px;
  --header-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--header-h);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1100px 620px at 8% -12%, rgba(53,224,200,.16), transparent 65%),
    radial-gradient(900px 560px at 96% -8%, rgba(46,155,255,.14), transparent 62%),
    linear-gradient(to right, rgba(150,200,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(150,200,255,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,fixed,fixed;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
::selection{background:rgba(53,224,200,.28);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:var(--header-h);
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.92);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:24px;height:24px;display:grid;place-items:center;
  color:var(--accent);border-radius:8px;
  background:linear-gradient(135deg,rgba(53,224,200,.20),rgba(46,155,255,.12));
  border:1px solid var(--line-strong);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text-1);white-space:nowrap}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.26em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:8px 12px;border-radius:8px;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 18px rgba(53,224,200,.75)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);margin:3px auto;transition:background .2s}
.nav-toggle:hover span{background:var(--accent)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#061321;box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-btn-hover);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 16px rgba(53,224,200,.22)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--accent);background:rgba(53,224,200,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:14px;font-weight:500}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding-top:32px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"›";color:var(--text-3)}
.breadcrumb a{color:var(--text-3);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--text-1)}

/* ---------- page hero ---------- */
.page-hero{padding:36px 0 52px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.04em;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(53,224,200,.08);color:var(--accent);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.page-hero h1{
  font-size:clamp(34px,4.8vw,58px);font-weight:700;line-height:1.15;
  letter-spacing:0;margin:22px 0 18px;max-width:900px;
}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:660px}

/* ---------- info strip ---------- */
.info-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:26px 0;margin-bottom:72px;
}
.info-cell{padding:0 28px;border-left:1px solid var(--line)}
.info-cell:first-child{border-left:0;padding-left:0}
.info-cell h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--text-1)}
.info-cell p{font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;align-items:start}
.anchor-nav{position:sticky;top:104px}
.anchor-title{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--text-3);margin-bottom:16px}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px}
.anchor-nav a{
  display:block;font-size:14px;color:var(--text-2);
  padding:9px 0 9px 14px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.anchor-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.03)}
.anchor-nav a.is-active{color:var(--accent);border-left-color:var(--accent);background:rgba(53,224,200,.07)}
.anchor-figure{
  margin-top:28px;border-radius:var(--radius-md);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-solid);box-shadow:var(--shadow-card);
}
.anchor-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.anchor-figure figcaption{font-size:12px;color:var(--text-3);padding:10px 14px;line-height:1.6}

/* ---------- faq groups ---------- */
.faq-group{scroll-margin-top:96px;margin-bottom:48px}
.faq-group:last-child{margin-bottom:0}
.faq-group h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(22px,2.4vw,28px);font-weight:600;line-height:1.35;margin-bottom:10px;
}
.faq-group h2::before{
  content:"";flex:0 0 auto;width:4px;height:22px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.group-note{font-size:14px;color:var(--text-3);margin-bottom:20px;max-width:640px}
.faq-item{
  position:relative;border:1px solid var(--line);border-radius:14px;
  background:var(--surface);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(150,200,255,.30)}
.faq-item.is-open{
  border-color:var(--line-strong);
  background:linear-gradient(90deg,rgba(53,224,200,.08),rgba(53,224,200,0) 60%),var(--surface);
  box-shadow:0 18px 44px rgba(0,0,0,.35);
}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text-1);text-align:left;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-item.is-open .faq-q{color:var(--accent)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;color:var(--accent);transition:transform .26s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-meta{display:block;margin-top:10px;font-size:12px;color:var(--text-3)}

/* ---------- contact bar ---------- */
.contact-bar{
  margin-top:72px;border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background-image:
    linear-gradient(115deg,rgba(11,20,36,.94),rgba(7,11,20,.86)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover;
  background-position:center,center;
  padding:32px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-card);
}
.contact-bar h2{font-size:20px;font-weight:600;margin-bottom:6px}
.contact-bar p{font-size:14px;color:var(--text-2);max-width:520px}
.contact-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto;flex-wrap:wrap}
.contact-mail{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line-strong);transition:color .2s,border-color .2s}
.contact-mail:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- related links ---------- */
.related-bar{
  margin-top:56px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--text-3);
}
.related-bar a{color:var(--text-2);transition:color .2s var(--ease)}
.related-bar a:hover{color:var(--accent)}
.related-bar .dot{color:rgba(150,200,255,.28)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;padding:24px;
  background:rgba(7,11,20,.98);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  display:flex;flex-direction:column;
  transform:translateX(100%);opacity:0;visibility:hidden;
  transition:transform .26s var(--ease),opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer.is-open{transform:translateX(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--text-1)}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1);cursor:pointer;
}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-top:24px;flex:1 1 auto;overflow-y:auto}
.drawer-nav a{
  font-size:18px;padding:14px 12px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 10px 10px 0;
  transition:color .2s,border-color .2s,background .2s;
}
.drawer-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.03)}
.drawer-nav a.is-active{color:var(--accent);border-left-color:var(--accent);background:rgba(53,224,200,.08)}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(7,11,20,.72);margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-2);margin:16px 0 14px;max-width:360px}
.footer-mail{display:inline-block;font-size:14px;color:var(--accent);border-bottom:1px solid rgba(53,224,200,.4);padding-bottom:2px}
.footer-mail:hover{color:#7BF2E0;border-color:#7BF2E0}
.footer-col h4{font-size:13px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom p{margin:0}
.footer-bottom-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.backtop{
  width:44px;height:44px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .faq-layout{grid-template-columns:250px minmax(0,1fr);gap:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .faq-layout{grid-template-columns:220px minmax(0,1fr);gap:32px}
  .info-cell{padding:0 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:960px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:grid}
  .info-strip{grid-template-columns:1fr;gap:0;padding:0;margin-bottom:56px}
  .info-cell{padding:18px 0;border-left:0;border-top:1px solid var(--line)}
  .info-cell:first-child{border-top:0}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .anchor-nav{position:static;top:auto}
  .anchor-nav ul{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .anchor-nav a{
    border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;white-space:nowrap;font-size:13px;
  }
  .anchor-nav a.is-active{border-color:var(--line-strong);background:rgba(53,224,200,.12)}
  .anchor-figure{display:none}
  .contact-bar{flex-direction:column;align-items:flex-start;gap:20px;padding:24px}
  .contact-actions{width:100%}
}
@media (min-width:961px){
  .drawer{display:none}
}
@media (max-width:768px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .page-hero{padding:24px 0 40px}
  .lead{font-size:16px}
  .breadcrumb{padding-top:24px}
  .faq-group{margin-bottom:40px}
  .contact-bar{margin-top:56px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .page-hero h1{font-size:clamp(28px,8vw,34px)}
  .lead{font-size:15px}
  .faq-q{padding:18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .btn{height:46px;padding:0 18px;font-size:14px}
  .btn-sm{height:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .contact-actions{flex-direction:column;align-items:flex-start;gap:14px}
  .contact-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .btn:hover,.footer-col a:hover,.backtop:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --surface:rgba(18,32,54,.62);
  --surface-solid:#0E1A2E;
  --line:rgba(150,200,255,.14);
  --line-strong:rgba(53,224,200,.34);
  --text-1:#EAF1FF;
  --text-2:#A9B8CE;
  --text-3:#6F819C;
  --accent:#35E0C8;
  --accent-2:#2E9BFF;
  --warm:#F0A85A;
  --danger:#FF7A7A;
  --success:#6FF0C8;
  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow-card:0 24px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-btn:0 8px 24px rgba(53,224,200,.28);
  --shadow-btn-hover:0 12px 36px rgba(53,224,200,.45);
  --shadow-nav:0 12px 40px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
*,*::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",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(53,224,200,.16), transparent 62%),
    radial-gradient(1000px 620px at 96% 4%, rgba(46,155,255,.14), transparent 60%),
    linear-gradient(rgba(150,200,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,200,255,.032) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(53,224,200,.28);color:#04121A;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;
  color:var(--accent);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(53,224,200,.06);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
h2.section-title{font-size:clamp(26px,3vw,38px);font-weight:600;line-height:1.25;letter-spacing:.01em;}
.section-desc{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.85;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);font-size:15px;font-weight:500;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.text-link svg{transition:transform .22s var(--ease);}
.text-link:hover{border-color:rgba(53,224,200,.5);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:72px;
  display:flex;align-items:center;
  background:rgba(7,11,20,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.93);box-shadow:var(--shadow-nav);}
.header-inner{display:flex;align-items:center;gap:32px;width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  color:var(--accent);
  background:linear-gradient(135deg,rgba(53,224,200,.18),rgba(46,155,255,.14));
  border:1px solid rgba(53,224,200,.42);
  box-shadow:0 0 18px rgba(53,224,200,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-line{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--text-1);}
.brand-sub{font-size:10px;letter-spacing:.34em;color:var(--text-3);margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:8px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s var(--ease);
  border-radius:2px;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--accent);}
.nav-link.is-active::after{
  transform:scaleX(1);
  box-shadow:0 0 18px rgba(53,224,200,.85);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:var(--text-1);
  background:rgba(255,255,255,.04);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--accent);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#04121A;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-btn-hover);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(53,224,200,.24);}
.btn-ghost{
  color:var(--text-1);
  border:1px solid var(--line);
  background:transparent;
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(53,224,200,.08);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;
  display:none;flex-direction:column;
  background:rgba(7,11,20,.98);
  padding:20px 20px 28px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-1);
}
.drawer-close:hover{color:var(--accent);border-color:var(--line-strong);}
.drawer-nav{display:flex;flex-direction:column;margin-top:16px;}
.drawer-nav a{
  font-size:18px;font-weight:500;color:var(--text-2);
  padding:16px 0 16px 16px;border-bottom:1px solid rgba(150,200,255,.08);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{color:var(--text-1);}
.drawer-nav a.is-active{color:var(--accent);border-left-color:var(--accent);}
.drawer-cta{margin-top:auto;padding-top:28px;}
.drawer-cta .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:24px;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-1);}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  padding:152px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.82) 46%,rgba(7,11,20,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.9;z-index:-2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 420px at 82% 12%, rgba(53,224,200,.16), transparent 70%);
  z-index:-1;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.page-hero h1{
  font-size:clamp(34px,4.4vw,54px);
  font-weight:700;line-height:1.16;letter-spacing:0;
  margin:18px 0 0;
  max-width:16em;
}
.page-hero .lead{
  margin-top:18px;font-size:clamp(16px,1.4vw,18px);line-height:1.85;
  color:var(--text-2);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px;font-size:13px;color:var(--text-3);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta svg{color:var(--accent);flex-shrink:0;}
.hero-visual{
  position:relative;
  border-radius:var(--radius-xl);
  border:1px solid var(--line);
  background:var(--surface);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  padding:16px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.hero-visual img{border-radius:var(--radius-lg);width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual .visual-tag{
  position:absolute;left:30px;bottom:30px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--text-1);
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(53,224,200,.4);
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(12px);
}
.hero-visual .visual-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}

/* ---------- 信息条 ---------- */
.info-strip{
  border-bottom:1px solid var(--line);
  background:rgba(11,20,36,.5);
}
.info-strip-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  padding:36px 0;
}
.info-cell{
  padding:6px 32px;
  border-left:1px solid var(--line);
}
.info-cell:first-child{border-left:0;padding-left:0;}
.info-cell h3{font-size:14px;font-weight:600;color:var(--text-3);letter-spacing:.06em;}
.info-cell p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-1);}
.info-cell a{color:var(--accent);border-bottom:1px solid rgba(53,224,200,.32);}
.info-cell a:hover{border-color:var(--accent);}
.info-cell .sub{display:block;margin-top:6px;font-size:13px;color:var(--text-3);}

/* ---------- 联系主区 ---------- */
.contact-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:start;}
.panel{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--surface-solid);
  box-shadow:var(--shadow-card);
  padding:32px;
}
.panel-head{margin-bottom:24px;}
.panel-head h2{font-size:22px;font-weight:600;}
.panel-head p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.col-span-2{grid-column:span 2;}
.field label{font-size:13px;font-weight:500;color:var(--text-2);}
.field label .req{color:var(--warm);margin-left:2px;}
.field input[type="text"],
.field input[type="email"],
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{height:auto;min-height:150px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(53,224,200,.18);
  background:rgba(53,224,200,.05);
}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field.is-valid input,.field.is-valid textarea{border-color:rgba(111,240,200,.55);}
.field-error{font-size:13px;color:var(--danger);display:none;}
.field.has-error .field-error{display:block;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;grid-column:span 2;font-size:13px;color:var(--text-2);line-height:1.7;}
.checkbox-row input[type="checkbox"]{
  width:18px;height:18px;margin-top:3px;flex-shrink:0;
  accent-color:var(--accent);
  border-radius:4px;
}
.checkbox-row a{color:var(--accent);border-bottom:1px solid rgba(53,224,200,.32);}
.form-actions{grid-column:span 2;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px;}
.form-actions .btn{max-width:240px;width:100%;}
.form-note{font-size:13px;color:var(--text-3);}
.form-status{
  grid-column:span 2;display:none;
  padding:14px 16px;border-radius:var(--radius-sm);
  font-size:14px;line-height:1.7;
  border:1px solid rgba(111,240,200,.4);
  background:rgba(111,240,200,.08);
  color:var(--success);
}
.form-status.is-error{border-color:rgba(255,122,122,.42);background:rgba(255,122,122,.08);color:var(--danger);}
.form-status.is-show{display:block;}

/* 地址网格卡 */
.map-card{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  background:
    linear-gradient(rgba(53,224,200,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,224,200,.075) 1px, transparent 1px),
    radial-gradient(520px 320px at 78% 18%, rgba(46,155,255,.18), transparent 70%),
    #0C1727;
  background-size:32px 32px,32px 32px,auto,auto;
  padding:28px;
  box-shadow:var(--shadow-card);
}
.map-card .tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--accent);
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(53,224,200,.32);
  background:rgba(7,11,20,.6);
}
.map-card h3{margin-top:16px;font-size:20px;font-weight:600;}
.map-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.85;}
.map-card .map-lines{margin-top:22px;display:flex;flex-direction:column;gap:1px;border-radius:12px;overflow:hidden;}
.map-card .map-lines span{
  display:flex;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--text-3);
  padding:12px 14px;background:rgba(7,11,20,.55);
  border-bottom:1px solid rgba(150,200,255,.08);
}
.map-card .map-lines span:last-child{border-bottom:0;}
.map-card .map-lines b{color:var(--text-1);font-weight:500;}
.side-stack{display:flex;flex-direction:column;gap:24px;}

/* ---------- 时间线 ---------- */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:start;}
.timeline-head{position:sticky;top:112px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(53,224,200,.65),rgba(46,155,255,.28),rgba(150,200,255,.06));
}
.tl-item{position:relative;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(53,224,200,.14),0 0 16px rgba(53,224,200,.6);
}
.tl-item .tl-step{font-size:12px;letter-spacing:.1em;color:var(--warm);font-weight:600;}
.tl-item h3{margin-top:8px;font-size:18px;font-weight:600;}
.tl-item p{margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:36em;}

/* ---------- 受理范围 ---------- */
.scope-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scope-item{
  display:flex;gap:16px;
  padding:24px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--surface-solid);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scope-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.scope-item .icon{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;
  display:grid;place-items:center;
  color:var(--accent);
  border:1px solid rgba(53,224,200,.3);
  background:rgba(53,224,200,.08);
}
.scope-item h3{font-size:16px;font-weight:600;}
.scope-item p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start;}
.faq-side{position:sticky;top:112px;}
.faq-side h2{font-size:clamp(26px,3vw,36px);font-weight:600;line-height:1.28;}
.faq-side p{margin-top:16px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:24em;}
.faq-side .text-link{margin-top:24px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(18,32,54,.42);
  overflow:hidden;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-item:hover{border-color:rgba(150,200,255,.3);}
.faq-item.is-open{
  border-color:var(--line-strong);
  background:linear-gradient(90deg,rgba(53,224,200,.09),rgba(53,224,200,0) 62%),rgba(18,32,54,.5);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-plus{
  position:relative;width:20px;height:20px;flex-shrink:0;color:var(--text-2);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:14px;height:2px;}
.faq-plus::after{width:2px;height:14px;}
.faq-item.is-open .faq-plus{transform:rotate(45deg);color:var(--accent);}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-answer-inner{
  padding:0 24px 22px;
  font-size:15px;line-height:1.85;color:var(--text-2);
  border-top:1px solid rgba(150,200,255,.08);
  padding-top:14px;margin-top:0;
}
.faq-item.is-open .faq-answer{max-height:420px;}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  position:relative;
  border-radius:var(--radius-xl);
  border:1px solid var(--line-strong);
  overflow:hidden;
  padding:56px;
  background-image:linear-gradient(120deg,rgba(7,11,20,.94),rgba(11,20,36,.86)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,200,.22),transparent 68%);
  pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;position:relative;z-index:1;}
.cta-inner h2{font-size:clamp(24px,2.8vw,34px);font-weight:600;line-height:1.3;}
.cta-inner p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:32em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end;}
.cta-mail{
  margin-top:18px;font-size:15px;color:var(--text-2);
}
.cta-mail a{color:var(--accent);border-bottom:1px solid rgba(53,224,200,.32);}
.cta-mail a:hover{border-color:var(--accent);}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(7,11,20,.86);padding:72px 0 32px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:34em;}
.footer-mail{display:inline-block;margin-top:16px;font-size:14px;color:var(--accent);border-bottom:1px solid rgba(53,224,200,.3);}
.footer-mail:hover{border-color:var(--accent);}
.footer-col h4{font-size:13px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p,.footer-bottom .legal{font-size:12px;color:var(--text-3);line-height:1.8;}
.backtop{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(18,32,54,.6);
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.backtop:hover{color:var(--accent);border-color:var(--line-strong);transform:translateY(-2px);}

/* 返回顶部悬浮 */
.to-top-float{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(18,32,54,.78);
  backdrop-filter:blur(14px);
  color:var(--text-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top-float.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top-float:hover{color:var(--accent);border-color:var(--line-strong);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:640px;}
}
@media (max-width:1100px){
  .main-nav{gap:20px;}
  .header-inner{gap:20px;}
  .faq-layout,.timeline-wrap,.contact-layout{gap:40px;}
}
@media (max-width:1024px){
  .timeline-wrap{grid-template-columns:1fr;gap:40px;}
  .timeline-head,.faq-side{position:static;}
  .contact-layout{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:960px){
  .main-nav{display:none;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:128px 0 56px;}
  .section{padding:72px 0;}
  .info-strip-grid{grid-template-columns:1fr;padding:8px 0;}
  .info-cell{border-left:0;border-top:1px solid var(--line);padding:20px 0;}
  .info-cell:first-child{border-top:0;}
  .scope-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .header-inner{padding:0 24px;}
  .page-hero{padding-top:120px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:span 2;}
  .cta-panel{padding:36px 24px;}
  .panel{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .field.col-span-2,.checkbox-row,.form-actions,.form-status{grid-column:span 1;}
  .faq-question{padding:18px;}
  .faq-answer-inner{padding:14px 18px 20px;}
}
@media (max-width:560px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .page-hero h1{font-size:32px;}
  .page-hero .lead{font-size:15px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .hero-visual .visual-tag{left:20px;bottom:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom-right{width:100%;justify-content:space-between;}
  .to-top-float{right:16px;bottom:16px;}
  .btn{width:100%;}
  .form-actions .btn{width:100%;max-width:none;}
  .tl-item p{font-size:14px;}
  .scope-item{padding:18px;}
  .cta-panel{padding:28px 18px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .scope-item:hover,.btn-primary:hover,.btn-ghost:hover{transform:none;}
}