/* roulang page: index */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1420;
  --panel:#0E1725;
  --glass:rgba(255,255,255,.06);
  --line:rgba(120,200,220,.14);
  --line-strong:rgba(47,224,166,.45);
  --brand:#2FE0A6;
  --brand-2:#16C8D8;
  --accent:#FF8A3D;
  --accent-2:#FFC64D;
  --text-1:#E9F1F7;
  --text-2:#A9BACB;
  --text-3:#6E8299;
  --warn:#FF7A6B;
  --r-lg:20px;
  --r-md:15px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.8);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
::selection{background:rgba(47,224,166,.28);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:640px){.wrap{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.wrap{padding-left:32px;padding-right:32px;}}

/* 滚动条 */
*::-webkit-scrollbar{width:10px;height:10px;}
*::-webkit-scrollbar-track{background:#080D15;}
*::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#1d3a3c,#123039);border-radius:999px;border:2px solid #080D15;}
*::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#2FE0A6,#16C8D8);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,13,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  position:relative;box-shadow:0 0 0 1px rgba(47,224,166,.35),0 8px 20px -10px rgba(47,224,166,.6);
}
.brand-mark::before{
  content:"";position:absolute;inset:9px 9px 15px 9px;border-radius:3px;
  background:rgba(7,11,18,.85);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;right:9px;bottom:9px;height:3px;border-radius:3px;
  background:rgba(7,11,18,.85);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{color:var(--text-1);font-size:15.5px;font-weight:700;letter-spacing:.02em;}
.brand-text span{color:var(--text-3);font-size:11.5px;letter-spacing:.16em;}
.nav-chips{display:flex;align-items:center;gap:4px;padding:4px;border-radius:999px;background:rgba(255,255,255,.045);border:1px solid var(--line);}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.chip:hover{transform:translateY(-2px);color:var(--text-1);border-color:var(--line);}
.chip.is-active{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#05130F;font-weight:700;border-color:transparent;
  box-shadow:0 0 0 1px rgba(47,224,166,.4),0 8px 22px -10px rgba(47,224,166,.75);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04140F;font-weight:700;font-size:14px;
  box-shadow:0 0 0 1px rgba(47,224,166,.45),0 10px 30px -10px rgba(47,224,166,.55);
  transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,224,166,.6),0 14px 34px -10px rgba(47,224,166,.7);}
.nav-cta:active{transform:translateY(0);filter:brightness(.94);}
.mobile-only{display:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04140F;box-shadow:0 0 0 1px rgba(47,224,166,.45),0 10px 30px -10px rgba(47,224,166,.55);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,224,166,.65),0 16px 36px -12px rgba(47,224,166,.7);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--brand);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);background:rgba(47,224,166,.07);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:13.5px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:13.5px;font-weight:600;}
.link-arrow svg{transition:transform .2s ease-out;}
.link-arrow:hover svg{transform:translateX(5px);}

/* 标签 */
.badge{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;font-size:12px;letter-spacing:.06em;color:var(--brand);background:rgba(47,224,166,.09);border:1px solid rgba(47,224,166,.28);}
.badge-accent{color:var(--accent-2);background:rgba(255,138,61,.1);border-color:rgba(255,138,61,.32);}
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12px;letter-spacing:.06em;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);}
.tag-brand{color:var(--brand);border-color:rgba(47,224,166,.3);background:rgba(47,224,166,.07);}
.tag-num{color:var(--accent-2);border-color:rgba(255,198,77,.3);background:rgba(255,198,77,.08);font-weight:700;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;}
.hero-bg{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 380px at 12% 8%,rgba(47,224,166,.16),transparent 62%),
    radial-gradient(640px 420px at 88% 78%,rgba(22,200,216,.14),transparent 66%),
    linear-gradient(180deg,#070B12 0%,#080E16 60%,#070B12 100%);
}
.hero-grid{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(120,200,220,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,220,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.2;font-weight:800;margin:20px 0 16px;}
.hero .lead{font-size:16.5px;line-height:1.9;color:var(--text-2);max-width:620px;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,18,.14) 0%,rgba(7,11,18,.72) 100%);}
.glass-card{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(12,20,32,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:16px;padding:16px 18px;
}
.glass-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:13px;}
.glass-card dt{color:var(--text-3);letter-spacing:.06em;}
.glass-card dd{margin:0;color:var(--text-1);}
.corner-tag{
  position:absolute;top:16px;right:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;color:#0B1A14;font-weight:700;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}

/* 通用板块 */
.section{padding:88px 0;}
.section-tight{padding:60px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(23px,3.2vw,31px);line-height:1.3;margin-bottom:12px;}
.sec-head p{font-size:15.5px;color:var(--text-2);}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.h3-line{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:12px;}
.h3-line::before{content:"";width:3px;height:17px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2));display:block;}

/* 卡片 */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 18px 40px -22px rgba(47,224,166,.45);}
.card-cover{border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative;background:#0A121D;}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s ease-out;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover.tall img{aspect-ratio:4/3;}
.card h3{font-size:18px;line-height:1.5;margin:14px 0 8px;transition:color .2s ease-out;}
.card:hover h3{color:var(--brand);}
.card p{font-size:14px;line-height:1.75;color:var(--text-2);}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.06em;color:var(--text-3);}
.card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.big-card{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.big-card{grid-template-columns:1.05fr 1fr;align-items:center;}}

/* 保障条 */
.assure{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);}
@media(min-width:900px){.assure{grid-template-columns:repeat(4,1fr);}}
.assure-item{padding:26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.assure-item svg{color:var(--brand);margin-bottom:12px;}
.assure-item:nth-child(even) svg{color:var(--accent);}
.assure-item b{display:block;color:var(--text-1);font-size:15.5px;margin-bottom:6px;}
.assure-item span{font-size:13.5px;line-height:1.7;color:var(--text-3);}

/* 步骤 */
.steps{display:grid;gap:18px;grid-template-columns:1fr;}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1100px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;position:relative;transition:transform .2s ease-out,border-color .2s ease-out;}
.step:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;font-weight:800;font-size:14px;color:#20120A;background:linear-gradient(135deg,var(--accent-2),var(--accent));margin-bottom:14px;}
.step b{display:block;color:var(--text-1);font-size:16px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;}

/* 数据卡 */
.stat-row{display:grid;gap:18px;grid-template-columns:repeat(2,1fr);}
@media(min-width:900px){.stat-row{grid-template-columns:repeat(4,1fr);}}
.stat{background:linear-gradient(180deg,rgba(47,224,166,.07),rgba(14,23,37,.9));border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;}
.stat b{display:block;font-size:34px;line-height:1.1;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:10px;font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* 评价卡 */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-ms-overflow-style:none;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.quote-card{
  flex:0 0 84%;scroll-snap-align:start;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
@media(min-width:640px){.quote-card{flex:0 0 62%;}}
@media(min-width:1024px){.quote-card{flex:0 0 31.5%;}}
.avatar{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:flex;align-items:center;justify-content:center;font-weight:800;color:#04140F;font-size:15px;}
.stars{display:flex;gap:3px;color:var(--brand);}
.stars i{width:13px;height:13px;display:block;background:currentColor;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);opacity:.95;}
.stars i.mute{opacity:.2;}
.rail-nav{display:flex;gap:10px;}
.rail-btn{width:42px;height:42px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease-out,border-color .2s ease-out,color .2s ease-out;}
.rail-btn:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--brand);}
.dots{display:flex;gap:8px;justify-content:center;margin-top:20px;}
.dot{width:8px;height:8px;border-radius:999px;background:rgba(169,186,203,.25);}
.dot.on{width:22px;background:linear-gradient(135deg,var(--brand),var(--brand-2));}

/* CMS 列表 */
.news-grid{display:grid;gap:22px;grid-template-columns:1fr;}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-lead{grid-column:1/-1;}
@media(min-width:1024px){.news-lead{grid-column:span 2;}}
.empty-state{text-align:center;padding:52px 24px;border:1px dashed var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.02);}
.empty-state svg{color:rgba(47,224,166,.32);margin:0 auto 14px;}
.empty-state p{color:var(--text-3);font-size:14.5px;margin-bottom:18px;}

/* FAQ */
.faq{display:grid;gap:12px;max-width:900px;}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden;transition:border-color .2s ease-out,background .2s ease-out;}
.faq-item.open{border-color:var(--line-strong);background:#101B2A;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px 18px 22px;text-align:left;position:relative;}
.faq-q::before{content:"";position:absolute;left:10px;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2));}
.faq-q span{color:var(--text-1);font-size:15.5px;font-weight:600;line-height:1.6;}
.faq-q svg{flex-shrink:0;color:var(--text-3);transition:transform .22s ease-out,color .22s ease-out;}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a-inner{padding:0 22px 20px 22px;font-size:14.5px;line-height:1.9;color:var(--text-2);}

/* CTA 整幅 */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line-strong);padding:52px 40px;
  background:linear-gradient(120deg,rgba(47,224,166,.14),rgba(12,20,32,.92) 46%,rgba(255,138,61,.12));}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(47,224,166,.22),transparent 68%);}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px;}
.micro{font-size:12.5px;color:var(--text-3);letter-spacing:.03em;}

/* 页脚 */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 0;}
.foot-grid{display:grid;gap:34px;grid-template-columns:1fr;}
@media(min-width:700px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;}}
.foot h4{font-size:14px;color:var(--text-1);letter-spacing:.06em;margin-bottom:16px;}
.foot li{margin-bottom:10px;}
.foot a{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:0;transition:color .2s ease-out,gap .2s ease-out;}
.foot a::before{content:"";width:0;height:1px;background:var(--brand);transition:width .2s ease-out;display:block;}
.foot a:hover{color:var(--brand);gap:7px;}
.foot a:hover::before{width:12px;}
.foot p{font-size:14px;line-height:1.8;color:var(--text-3);}
.foot-bottom{margin-top:48px;border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:var(--text-3);letter-spacing:.03em;}

/* 长文排版（供页面内说明块使用） */
.prose-body{font-size:17px;line-height:1.9;color:var(--text-2);}
.prose-body h2{font-size:20px;margin:40px 0 14px;}
.prose-body h3{font-size:17.5px;margin:26px 0 12px;}
.prose-body p{margin-bottom:1.2em;}
.prose-body ul{margin:0 0 1.2em;padding-left:0;}
.prose-body li{position:relative;padding-left:20px;line-height:1.9;margin-bottom:8px;}
.prose-body li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand);}
.prose-body blockquote{margin:22px 0;padding:18px 20px;border-left:3px solid var(--brand);background:#0D1725;border-radius:0 12px 12px 0;color:var(--text-2);font-size:15.5px;}
.prose-body table{width:100%;border-collapse:collapse;font-size:14.5px;display:block;overflow-x:auto;}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}
@media(max-width:1023px){
  .desk-only{display:none!important;}
  .mobile-only{display:block;}
  .nav-inner{height:auto;padding:10px 0;flex-wrap:wrap;}
  .nav-chips{order:3;width:100%;overflow-x:auto;border-radius:14px;padding:6px;-ms-overflow-style:none;scrollbar-width:none;}
  .nav-chips::-webkit-scrollbar{display:none;}
  .hero{padding:48px 0 60px;}
  .section{padding:56px 0;}
  .cta-band{padding:36px 22px;}
}

/* roulang page: article */
:root{
    --bg-0:#070B12;
    --bg-1:#0C1420;
    --panel:#0E1725;
    --glass:rgba(255,255,255,.06);
    --line:rgba(120,200,220,.14);
    --line-strong:rgba(47,224,166,.45);
    --brand:#2FE0A6;
    --brand-2:#16C8D8;
    --accent:#FF8A3D;
    --accent-2:#FFC64D;
    --text-1:#E9F1F7;
    --text-2:#A9BACB;
    --text-3:#6E8299;
    --warn:#FF7A6B;
    --r-lg:20px;
    --r-md:16px;
    --r-sm:14px;
    --shadow:0 12px 32px -18px rgba(0,0,0,.8);
    --glow:0 0 0 1px rgba(47,224,166,.45), 0 10px 30px -10px rgba(47,224,166,.55);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-2);
    font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-style:none}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  ::selection{background:rgba(47,224,166,.28);color:#fff}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.wrap{padding:0 24px}}
  @media (min-width:1024px){.wrap{padding:0 32px}}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(7,11,18,.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{display:flex;align-items:center;gap:24px;min-height:64px}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    position:relative;width:30px;height:30px;border-radius:9px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    box-shadow:0 0 18px -4px rgba(47,224,166,.75);
    flex:0 0 auto;
  }
  .brand-mark::after{content:"";position:absolute;inset:9px;border-radius:3px;background:var(--bg-0)}
  .brand-text{display:flex;flex-direction:column;line-height:1.05}
  .brand-text b{color:var(--text-1);font-size:15px;font-weight:700;letter-spacing:.02em}
  .brand-text span{color:var(--brand);font-size:11px;letter-spacing:.24em}
  .nav-chips{
    display:flex;align-items:center;gap:4px;
    margin-left:auto;padding:4px;
    border:1px solid var(--line);border-radius:999px;
    background:rgba(255,255,255,.03);
    overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:36px;padding:8px 16px;border-radius:999px;
    font-size:13.5px;color:var(--text-2);white-space:nowrap;
    transition:transform .2s ease-out,color .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
  }
  .chip:hover{transform:translateY(-2px);color:var(--text-1);background:rgba(255,255,255,.06)}
  .chip.is-active{
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    color:#04140E;font-weight:600;
    box-shadow:0 0 0 1px rgba(47,224,166,.35),0 8px 22px -12px rgba(47,224,166,.9);
  }
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;
    min-height:42px;padding:10px 20px;border-radius:999px;
    font-size:14px;font-weight:600;color:#04140E;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    box-shadow:var(--glow);
    white-space:nowrap;flex:0 0 auto;
    transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
  }
  .nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(47,224,166,.6),0 14px 34px -12px rgba(47,224,166,.75)}
  .nav-cta:active{transform:translateY(0);filter:brightness(.96)}
  .nav-cta svg{transition:transform .2s ease-out}
  .nav-cta:hover svg{transform:translateX(3px)}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  @media (max-width:880px){
    .nav-inner{flex-wrap:wrap;min-height:0;padding:10px 0;gap:10px}
    .brand{order:1}
    .nav-cta{order:2;margin-left:auto;min-height:40px;padding:9px 16px;font-size:13px}
    .nav-chips{order:3;width:100%;margin-left:0}
  }

  /* ============ 文章头部 ============ */
  .post-hero{
    position:relative;
    padding:44px 0 40px;
    border-bottom:1px solid var(--line);
    background:
      linear-gradient(180deg,rgba(7,11,18,.78) 0%,rgba(7,11,18,.94) 70%,var(--bg-0) 100%),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  }
  .crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}
  .crumbs a{color:var(--text-3);transition:color .2s ease-out}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{opacity:.55}
  .crumbs .cur{color:var(--text-2);max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .post-chip{
    display:inline-flex;align-items:center;gap:6px;
    margin:20px 0 14px;padding:5px 14px;border-radius:999px;
    font-size:12px;letter-spacing:.06em;
    color:var(--brand);border:1px solid var(--line-strong);
    background:rgba(47,224,166,.07);
  }
  .post-chip i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
  h1.post-title{
    color:var(--text-1);
    font-size:clamp(26px,4.4vw,42px);
    font-weight:800;
    line-height:1.24;
    letter-spacing:-.01em;
    max-width:20em;
  }
  .title-rule{height:1px;margin:22px 0 16px;background:linear-gradient(90deg,var(--brand),rgba(47,224,166,0));max-width:520px}
  .post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
  .post-meta .dot{opacity:.5}

  /* ============ 排版主体 ============ */
  .article-layout{
    display:grid;grid-template-columns:minmax(0,1fr);
    gap:36px;padding:44px 0 72px;
  }
  @media (min-width:1024px){
    .article-layout{grid-template-columns:minmax(0,780px) 300px;gap:52px;justify-content:center;padding:56px 0 88px}
  }
  .article-body{font-size:17px;line-height:1.9;color:var(--text-2);max-width:780px}
  .article-body > *:first-child{margin-top:0}
  .article-body h2{
    position:relative;
    font-size:22px;line-height:1.4;font-weight:700;color:var(--text-1);
    margin:40px 0 14px;padding-left:15px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.32em;width:3px;height:1.05em;border-radius:2px;
    background:linear-gradient(180deg,var(--brand),var(--brand-2));
  }
  .article-body h3{font-size:18px;font-weight:700;color:var(--text-1);margin:28px 0 10px;line-height:1.45}
  .article-body h4{font-size:16.5px;font-weight:700;color:var(--text-1);margin:22px 0 8px}
  .article-body p{margin:0 0 1.2em}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
  .article-body ul li{list-style:none;position:relative;margin:.42em 0;line-height:1.9}
  .article-body ul li::before{
    content:"";position:absolute;left:-16px;top:.75em;width:6px;height:6px;border-radius:2px;
    background:var(--brand);opacity:.85;
  }
  .article-body ol{counter-reset:li}
  .article-body ol li{list-style:none;position:relative;margin:.5em 0;padding-left:6px}
  .article-body ol li::before{
    counter-increment:li;content:counter(li);
    display:inline-flex;align-items:center;justify-content:center;
    width:20px;height:20px;margin-right:8px;border-radius:6px;
    font-size:12px;font-weight:700;color:#04140E;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    transform:translateY(2px);
  }
  .article-body blockquote{
    margin:24px 0;padding:18px 22px;
    background:var(--panel);
    border-left:3px solid var(--brand);
    border-radius:0 14px 14px 0;
    color:var(--text-2);font-size:16px;line-height:1.85;
  }
  .article-body img{border-radius:14px;margin:24px 0}
  .article-body a{color:var(--brand);border-bottom:1px solid rgba(47,224,166,.35);transition:color .2s ease-out,border-color .2s ease-out}
  .article-body a:hover{color:#63f2c1;border-color:#63f2c1}
  .article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px}
  .article-body th{
    background:rgba(255,255,255,.05);color:var(--text-1);font-weight:600;
    text-align:left;padding:10px 14px;border:1px solid var(--line);white-space:nowrap;
  }
  .article-body td{padding:10px 14px;border:1px solid var(--line)}
  .article-body code{
    padding:2px 7px;border-radius:7px;font-size:14px;
    background:rgba(255,255,255,.07);color:var(--brand);
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }
  .article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

  /* 空态 */
  .empty-state{
    padding:56px 24px;text-align:center;
    border:1px dashed var(--line);border-radius:var(--r-md);
    background:var(--bg-1);
  }
  .empty-state .ico{opacity:.32;color:var(--brand);margin:0 auto 14px;display:block}
  .empty-state p{font-size:15.5px;color:var(--text-2);margin-bottom:18px}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    min-height:44px;padding:11px 22px;border-radius:999px;
    font-size:14.5px;color:var(--brand);
    border:1px solid var(--line-strong);background:transparent;
    transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-ghost:hover{transform:translateY(-2px);background:rgba(47,224,166,.08);box-shadow:0 10px 26px -16px rgba(47,224,166,.9)}
  .btn-solid{
    display:inline-flex;align-items:center;gap:8px;
    min-height:44px;padding:12px 24px;border-radius:999px;
    font-size:14.5px;font-weight:600;color:#04140E;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    box-shadow:var(--glow);
    transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
  }
  .btn-solid:hover{transform:translateY(-2px);filter:brightness(1.06)}
  .btn-solid:active,.btn-ghost:active{transform:translateY(0)}

  /* 侧栏 */
  .article-aside{display:none}
  @media (min-width:1024px){
    .article-aside{display:block;position:sticky;top:88px;align-self:start}
  }
  .aside-card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
    padding:20px;margin-bottom:20px;box-shadow:var(--shadow);
  }
  .aside-card h3{
    display:flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.08em;color:var(--text-3);
    font-weight:600;margin-bottom:14px;
  }
  .aside-card h3::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--brand);display:block}
  .aside-nav li a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:9px 10px;border-radius:10px;font-size:14px;color:var(--text-2);
    transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
  }
  .aside-nav li a::after{content:"→";opacity:0;transform:translateX(-4px);transition:opacity .2s ease-out,transform .2s ease-out;color:var(--brand)}
  .aside-nav li a:hover{background:rgba(255,255,255,.05);color:var(--text-1);transform:translateY(-2px)}
  .aside-nav li a:hover::after{opacity:1;transform:translateX(0)}
  .aside-tip{font-size:14px;line-height:1.8;color:var(--text-2)}
  .aside-tip strong{color:var(--accent-2);font-weight:600}

  /* 翻页 / 继续阅读 */
  .pager{display:grid;gap:16px;margin:48px 0 0}
  @media (min-width:640px){.pager{grid-template-columns:1fr 1fr}}
  .pager-item{
    display:block;padding:20px;border-radius:var(--r-sm);
    background:var(--panel);border:1px solid var(--line);
    transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .pager-item:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 18px 36px -24px rgba(47,224,166,.7)}
  .pager-dir{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:8px}
  .pager-title{display:block;font-size:16.5px;font-weight:700;color:var(--text-1);margin-bottom:6px;line-height:1.5}
  .pager-item:hover .pager-title{color:var(--brand)}
  .pager-desc{display:block;font-size:13.5px;line-height:1.7;color:var(--text-3)}

  /* 相关推荐 */
  .related{margin-top:64px}
  .sec-head{margin-bottom:26px}
  .sec-head h2{
    position:relative;padding-left:15px;
    font-size:22px;font-weight:700;color:var(--text-1);line-height:1.4;
  }
  .sec-head h2::before{
    content:"";position:absolute;left:0;top:.3em;width:3px;height:1.05em;border-radius:2px;
    background:linear-gradient(180deg,var(--brand),var(--brand-2));
  }
  .sec-head p{margin-top:10px;font-size:14.5px;color:var(--text-3)}
  .rel-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
  .card{
    display:flex;flex-direction:column;height:100%;
    border-radius:var(--r-sm);overflow:hidden;
    background:var(--panel);border:1px solid var(--line);
    transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 22px 44px -26px rgba(47,224,166,.75)}
  .card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1)}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
  .card:hover .card-media img{transform:scale(1.04)}
  .card-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,11,18,0) 45%,rgba(7,11,18,.86) 100%);
  }
  .card-tag{
    position:absolute;left:12px;top:12px;z-index:2;
    padding:4px 11px;border-radius:999px;font-size:11.5px;letter-spacing:.06em;
    color:var(--brand);background:rgba(7,11,18,.72);border:1px solid var(--line-strong);
  }
  .card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--text-1)}
  .card:hover .card-body h3{color:var(--brand)}
  .card-body p{font-size:13.5px;line-height:1.7;color:var(--text-3)}
  .card-foot{
    margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
    font-size:12.5px;color:var(--text-3);
  }
  .card-foot span.go{color:var(--brand);display:inline-flex;align-items:center;gap:6px}
  .card:hover .card-foot span.go{gap:10px}
  .card-foot span.go{transition:gap .2s ease-out}

  /* CTA 整幅 */
  .cta-band{
    margin:64px 0 0;padding:40px 0;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    background:
      radial-gradient(700px 260px at 12% 0%,rgba(47,224,166,.13),transparent 70%),
      radial-gradient(600px 240px at 92% 100%,rgba(255,138,61,.10),transparent 70%),
      var(--bg-1);
  }
  .cta-inner{display:grid;gap:26px;align-items:center}
  @media (min-width:960px){.cta-inner{grid-template-columns:1.35fr 1fr;gap:40px}}
  .cta-inner h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--text-1);line-height:1.35}
  .cta-inner p{margin-top:12px;font-size:15.5px;color:var(--text-2);line-height:1.85;max-width:34em}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-actions .btn-solid,.cta-actions .btn-ghost{width:100%;justify-content:center}
  @media (min-width:520px){.cta-actions .btn-solid,.cta-actions .btn-ghost{width:auto}}
  .cta-micro{margin-top:14px;font-size:12.5px;color:var(--text-3)}

  /* ============ 页脚 ============ */
  .site-footer{margin-top:0;background:var(--bg-0);border-top:1px solid var(--line);padding:56px 0 28px}
  .foot-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
  .foot h4{font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:600;margin-bottom:16px}
  .foot p{font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:32em}
  .foot ul li{margin-bottom:10px}
  .foot ul li a{
    position:relative;display:inline-block;font-size:13.5px;color:var(--text-2);
    padding-left:0;transition:color .2s ease-out,padding-left .2s ease-out;
  }
  .foot ul li a::before{
    content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--brand);
    transform:translateY(-50%);transition:width .2s ease-out;
  }
  .foot ul li a:hover{color:var(--brand);padding-left:14px}
  .foot ul li a:hover::before{width:10px}
  .foot .brand{margin-bottom:16px}
  .foot-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12.5px;color:var(--text-3);
  }

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

/* roulang page: category1 */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1420;
  --panel:#0E1725;
  --glass:rgba(255,255,255,.06);
  --line:rgba(120,200,220,.14);
  --line-strong:rgba(47,224,166,.45);
  --brand:#2FE0A6;
  --brand-2:#16C8D8;
  --accent:#FF8A3D;
  --accent-2:#FFC64D;
  --text-1:#E9F1F7;
  --text-2:#A9BACB;
  --text-3:#6E8299;
  --warn:#FF7A6B;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 12px 32px -18px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(47,224,166,.45),0 10px 30px -10px rgba(47,224,166,.55);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body.page{
  margin:0;
  background:
    radial-gradient(900px 520px at 10% -12%, rgba(47,224,166,.10), transparent 62%),
    radial-gradient(780px 460px at 92% 2%, rgba(22,200,216,.10), transparent 60%),
    var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,opacity .2s ease-out;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;}
button,input,select,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
::selection{background:rgba(47,224,166,.28);color:#fff;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,18,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 0 1px rgba(47,224,166,.35),0 10px 22px -12px rgba(47,224,166,.9);
  flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:5px;background:var(--bg-0);}
.brand-mark::before{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;transform:translate(-50%,-50%);border-radius:2px;background:var(--brand);}
.brand-text b{display:block;font-size:15px;line-height:1.2;color:var(--text-1);letter-spacing:.02em;}
.brand-text span{display:block;font-size:11px;line-height:1.3;color:var(--text-3);letter-spacing:.2em;}

.nav-chips{
  display:flex;align-items:center;gap:6px;
  margin:0 auto;padding:5px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 15px;min-height:38px;
  border-radius:999px;border:1px solid transparent;
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.chip:hover{transform:translateY(-2px);color:var(--text-1);background:rgba(255,255,255,.05);border-color:var(--line);}
.chip:active{transform:translateY(0);}
.chip.is-active{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04211A;font-weight:700;
  box-shadow:0 0 0 1px rgba(47,224,166,.5),0 8px 22px -12px rgba(47,224,166,.9);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  height:42px;padding:0 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04211A;font-size:14px;font-weight:700;
  box-shadow:var(--glow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,224,166,.6),0 14px 32px -12px rgba(47,224,166,.8);}
.nav-cta:active{transform:translateY(0);}

@media (max-width:900px){
  .nav-inner{flex-wrap:wrap;gap:10px;padding:10px 0 12px;min-height:56px;}
  .nav-chips{
    order:3;width:100%;margin:0;justify-content:flex-start;
    overflow-x:auto;overflow-y:hidden;
    scrollbar-width:none;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  }
  .nav-chips::-webkit-scrollbar{display:none;}
  .nav-cta{margin-left:auto;height:40px;padding:0 14px;font-size:13.5px;}
}

/* ---------- 面包屑 & 首屏 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .cur{color:var(--text-1);}

.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(7,11,18,.78),rgba(7,11,18,.95)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,220,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,220,.055) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 80%);
  mask-image:linear-gradient(180deg,#000,transparent 80%);
}
.page-hero .inner{position:relative;padding:30px 0 56px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin:22px 0 14px;
  padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(47,224,166,.08);
  color:var(--brand);
  font-size:12px;letter-spacing:.08em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
h1.page-title{
  font-size:clamp(28px,4.6vw,44px);
  line-height:1.22;font-weight:800;letter-spacing:-.01em;
  max-width:900px;
}
.lead{margin-top:16px;max-width:780px;font-size:17px;line-height:1.9;color:var(--text-2);}
.mtags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.mtag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--text-3);font-size:12px;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.mtag svg{color:var(--brand);}

/* ---------- 版块 ---------- */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
@media (max-width:768px){.section{padding:48px 0;}.section.tight{padding:42px 0;}}

.h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;font-weight:700;
}
.h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.h3{font-size:19px;line-height:1.5;color:var(--text-1);}
.sec-head{max-width:820px;margin-bottom:34px;}
.sec-head .sub{margin-top:12px;font-size:15.5px;color:var(--text-2);}
.body-text{font-size:16.5px;line-height:1.9;color:var(--text-2);}
.body-text + .body-text{margin-top:14px;}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split.rev{grid-template-columns:.95fr 1.05fr;}
@media (max-width:960px){.split,.split.rev{grid-template-columns:1fr;gap:28px;}}

.media-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.media-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:0 18px 42px -22px rgba(0,0,0,.9);}
.media-card img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.media-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,11,18,0) 46%,rgba(7,11,18,.62) 100%);
}
.media-cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  font-size:12px;color:rgba(233,241,247,.86);letter-spacing:.04em;
}
.tick-list{margin-top:22px;display:grid;gap:12px;}
.tick{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.tick:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.tick svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}
.tick b{display:block;color:var(--text-1);font-size:15px;font-weight:600;}
.tick span{display:block;font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- 要点网格 ---------- */
.bullets{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media (max-width:1023px){.bullets{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.bullets{grid-template-columns:1fr;}}
.bullet-item{
  display:flex;gap:14px;
  padding:20px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.bullet-item:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow);}
.bullet-num{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04211A;font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.bullet-item h3{font-size:15.5px;font-weight:650;color:var(--text-1);}
.bullet-item p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--panel);overflow:hidden;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px 18px 24px;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--brand);opacity:.85;
}
.faq-item summary:hover{color:var(--brand);}
.faq-arrow{flex:0 0 auto;color:var(--brand);transition:transform .2s ease-out;}
.faq-item[open]{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(47,224,166,.07),rgba(14,23,37,1));}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-body{padding:0 20px 20px 24px;font-size:15.5px;line-height:1.9;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:38px;border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 260px at 88% -20%, rgba(255,138,61,.16), transparent 60%),
    linear-gradient(135deg,rgba(47,224,166,.14),rgba(22,200,216,.06)),
    var(--panel);
  box-shadow:var(--shadow);
}
@media (max-width:768px){.cta-band{padding:26px;}}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.4;max-width:620px;}
.cta-band p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04211A;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,224,166,.6),0 14px 34px -14px rgba(47,224,166,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:hover{background:rgba(47,224,166,.09);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.cta-note{width:100%;font-size:13px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:16px;padding:56px 0 26px;
  background:var(--bg-0);
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.2fr;gap:32px;}
@media (max-width:960px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:600px){.foot-grid{grid-template-columns:1fr;gap:26px;}}
.foot h4{font-size:14px;letter-spacing:.06em;color:var(--text-1);margin-bottom:14px;}
.foot p{font-size:14px;line-height:1.85;color:var(--text-3);}
.foot ul{display:grid;gap:10px;}
.foot ul li a{
  position:relative;display:inline-block;
  font-size:14.5px;color:var(--text-2);padding-left:0;
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.foot ul li a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--brand);
  transform:translateY(-50%);transition:width .2s ease-out;
}
.foot ul li a:hover{color:var(--brand);padding-left:14px;}
.foot ul li a:hover::before{width:10px;}
.foot-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:34px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

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

/* roulang page: category2 */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1420;
  --panel:#0E1725;
  --glass:rgba(255,255,255,.06);
  --line:rgba(120,200,220,.14);
  --line-strong:rgba(47,224,166,.45);
  --brand:#2FE0A6;
  --brand-2:#16C8D8;
  --accent:#FF8A3D;
  --accent-2:#FFC64D;
  --text-1:#E9F1F7;
  --text-2:#A9BACB;
  --text-3:#6E8299;
  --warn:#FF7A6B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 12px 32px -18px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(47,224,166,.45),0 10px 30px -10px rgba(47,224,166,.55);
  --t:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;line-height:1.32}
h1{font-size:clamp(30px,5vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
h2{font-size:clamp(21px,2.6vw,30px)}
h3{font-size:20px;line-height:1.45}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t),transform var(--t)}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,18,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 22px -12px rgba(47,224,166,.9);
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 9px 9px 9px;
  border-radius:4px;border:2px solid rgba(4,18,12,.75);border-right-color:transparent;
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{color:var(--text-1);font-size:15px;font-weight:700;letter-spacing:.02em}
.brand-text span{color:var(--text-3);font-size:11px;letter-spacing:.14em}
.nav-chips{
  display:flex;align-items:center;gap:6px;
  padding:4px;border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.03);
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--text-2);
  white-space:nowrap;border:1px solid transparent;
}
.chip:hover{color:var(--text-1);border-color:var(--line);transform:translateY(-2px)}
.chip.is-active{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04120C;font-weight:600;
  box-shadow:0 0 0 1px rgba(47,224,166,.45),0 10px 30px -12px rgba(47,224,166,.7);
}
.nav-cta{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04120C;font-size:14px;font-weight:700;
  box-shadow:var(--glow);white-space:nowrap;flex-shrink:0;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05)}
.nav-cta:active{transform:translateY(0);filter:brightness(.96)}
@media (max-width:960px){
  .nav-inner{flex-wrap:wrap;padding:10px 0;gap:10px;min-height:0}
  .nav-chips{order:3;width:100%;
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
    mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  }
}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(7,11,18,.72),rgba(7,11,18,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 260px at 12% 0%,rgba(47,224,166,.16),transparent 70%),
             radial-gradient(520px 240px at 88% 100%,rgba(22,200,216,.14),transparent 70%);
}
.hero-box{position:relative;z-index:2;padding:56px 0 48px;max-width:820px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--text-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ---------- Buttons / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),filter var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04120C;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand)}
.btn-ghost:hover{background:rgba(47,224,166,.08);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);box-shadow:none;opacity:.6;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand);font-weight:600}
.text-link svg{transition:transform var(--t)}
.text-link:hover svg{transform:translateX(4px)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border:1px solid var(--line);border-radius:999px;
  font-size:12px;letter-spacing:.06em;color:var(--text-3);background:rgba(255,255,255,.02);
}
.tag-accent{border-color:rgba(255,138,61,.42);color:var(--accent)}
.tag-brand{border-color:var(--line-strong);color:var(--brand)}

/* ---------- Sections ---------- */
.sec{padding:72px 0}
.sec-tight{padding:56px 0}
@media (max-width:900px){.sec{padding:56px 0}.sec-tight{padding:48px 0}}
@media (max-width:560px){.sec{padding:48px 0}.sec-tight{padding:44px 0}}
.sec-head{margin-bottom:32px;max-width:820px}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.sec-head p{margin-top:12px;color:var(--text-2)}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:0 18px 40px -22px rgba(0,0,0,.9)}
.card-body{padding:22px}

/* ---------- Layout: toc + content ---------- */
.split{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){.split{grid-template-columns:248px 1fr;gap:48px}}
.toc{display:none}
@media (min-width:1024px){
  .toc{display:block;position:sticky;top:96px;align-self:start}
}
.toc-title{font-size:12px;letter-spacing:.12em;color:var(--text-3);padding:0 12px 10px}
.toc-list{border-left:2px solid var(--line);margin-left:12px}
.toc-list a{display:block;padding:8px 12px;font-size:14px;color:var(--text-3);border-left:2px solid transparent;margin-left:-2px}
.toc-list a:hover{color:var(--brand);border-left-color:var(--line-strong);background:rgba(255,255,255,.03)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(47,224,166,.07);font-weight:600}
.toc-note{margin:20px 12px 0;font-size:12px;line-height:1.7;color:var(--text-3);border:1px dashed var(--line);border-radius:var(--r-sm);padding:12px}

.art{max-width:760px}
.art h2{
  position:relative;padding-left:16px;font-size:clamp(20px,2.3vw,26px);
  margin-top:44px;padding-top:6px;
}
.art h2:first-child{margin-top:0}
.art h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.art h3{margin-top:28px;font-size:18px;color:var(--text-1)}
.art p{margin-top:14px;font-size:17px;line-height:1.9;color:var(--text-2)}
.art ul{margin-top:16px;display:grid;gap:10px}
.art li{
  position:relative;padding-left:22px;font-size:16px;line-height:1.85;color:var(--text-2);
}
.art li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.quote{
  margin-top:24px;padding:18px 20px;border-left:3px solid var(--brand);
  background:rgba(255,255,255,.03);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;color:var(--text-2);
}
.figure{margin-top:26px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--panel)}
.figure img{width:100%;height:260px;object-fit:cover}
.figure figcaption{padding:12px 16px;font-size:12px;color:var(--text-3)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px}
@media (min-width:640px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat{
  background:linear-gradient(180deg,rgba(47,224,166,.07),rgba(14,23,37,.72));
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t);
}
.stat:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.stat-num{
  font-size:clamp(28px,4vw,38px);font-weight:800;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:4px}
.stat p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px}
@media (min-width:768px){.compare{grid-template-columns:1fr 1fr}}
.compare .card-body h3{display:flex;align-items:center;gap:10px;font-size:17px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(47,224,166,.8)}
.dot.alt{background:var(--accent);box-shadow:0 0 12px rgba(255,138,61,.8)}
.compare ul{margin-top:14px;display:grid;gap:9px}
.compare li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.75}
.compare li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:2px;background:var(--brand)}
.compare .alt-list li::before{background:var(--accent)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;margin-top:26px;max-width:860px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--t),background var(--t)
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(255,255,255,.035)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px 18px 40px;
  position:relative;color:var(--text-1);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:18px;top:22px;bottom:22px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--t),border-color var(--t);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand)}
.faq-body{padding:0 20px 20px 40px;font-size:15px;line-height:1.9;color:var(--text-2)}

/* ---------- Link cards ---------- */
.link-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:700px){.link-grid{grid-template-columns:repeat(3,1fr)}}
.link-card .cover{position:relative;height:150px;overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0}
.link-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.link-card .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,18,.1),rgba(7,11,18,.85))}
.link-card:hover .cover img{transform:scale(1.04)}
.link-card h3{font-size:17px;line-height:1.5}
.link-card:hover h3{color:var(--brand)}
.link-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(47,224,166,.12),rgba(22,200,216,.06) 45%,rgba(14,23,37,.9));
  padding:36px 28px;display:grid;gap:24px;box-shadow:var(--shadow);
}
@media (min-width:900px){.cta-band{grid-template-columns:1.4fr 1fr;align-items:center;padding:44px 40px}}
.cta-band h2{font-size:clamp(22px,2.6vw,28px)}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{margin-top:14px;font-size:12.5px;color:var(--text-3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:24px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:700px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.foot h4{font-size:14px;color:var(--text-1);letter-spacing:.04em;margin-bottom:14px}
.foot p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:360px}
.foot ul{display:grid;gap:10px}
.foot li a{position:relative;display:inline-block;padding-left:0;font-size:14px;color:var(--text-3)}
.foot li a::before{
  content:"";position:absolute;left:-12px;top:.62em;width:0;height:1px;background:var(--brand);
  transition:width var(--t),left var(--t);
}
.foot li a:hover{color:var(--brand);padding-left:12px}
.foot li a:hover::before{width:8px;left:0}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover,.stat:hover,.btn:hover,.chip:hover{transform:none}
}

/* roulang page: category3 */
:root{
    --bg-0:#070B12;
    --bg-1:#0C1420;
    --panel:#0E1725;
    --glass:rgba(255,255,255,.06);
    --line:rgba(120,200,220,.14);
    --line-strong:rgba(47,224,166,.45);
    --brand:#2FE0A6;
    --brand-2:#16C8D8;
    --accent:#FF8A3D;
    --accent-2:#FFC64D;
    --text-1:#E9F1F7;
    --text-2:#A9BACB;
    --text-3:#6E8299;
    --warn:#FF7A6B;
    --r-lg:20px;
    --r-md:15px;
    --r-sm:12px;
    --shadow-1:0 12px 32px -18px rgba(0,0,0,.8);
    --shadow-glow:0 0 0 1px rgba(47,224,166,.45),0 10px 30px -10px rgba(47,224,166,.55);
    --t:200ms cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-2);
    font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.85;
    letter-spacing:.01em;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.3;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  ::selection{background:rgba(47,224,166,.28);color:#fff;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:#080d15;}
  ::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(47,224,166,.5),rgba(22,200,216,.4));border-radius:99px;border:2px solid #080d15;}

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

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(9,14,22,.82);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    min-height:64px;display:flex;align-items:center;gap:20px;
  }
  @media (max-width:1023px){.nav-inner{min-height:56px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px;gap:12px;}}

  .brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;position:relative;flex:0 0 auto;
    background:linear-gradient(145deg,var(--brand),var(--brand-2));
    box-shadow:0 0 0 1px rgba(47,224,166,.35),0 8px 22px -12px rgba(47,224,166,.9);
  }
  .brand-mark::after{
    content:"";position:absolute;inset:9px 8px 9px 10px;
    background:#07111a;
    clip-path:polygon(0 0,100% 50%,0 100%);
    border-radius:2px;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-text b{font-size:16px;font-weight:800;color:var(--text-1);letter-spacing:.02em;}
  .brand-text span{font-size:11px;color:var(--brand);letter-spacing:.22em;}
  @media (max-width:520px){.brand-text b{font-size:14.5px;}.brand-text span{font-size:10px;letter-spacing:.16em;}}

  .nav-chips{
    display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;
    padding:5px;border-radius:999px;
    background:rgba(255,255,255,.045);
    border:1px solid var(--line);
  }
  .nav-chips .chip{
    flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
    padding:8px 15px;min-height:36px;border-radius:999px;
    font-size:14px;font-weight:500;color:var(--text-2);
    border:1px solid transparent;white-space:nowrap;
    transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  }
  .nav-chips .chip:hover{
    transform:translateY(-2px);color:var(--text-1);
    border-color:var(--line);background:rgba(255,255,255,.05);
  }
  .nav-chips .chip.is-active{
    color:#04120d;font-weight:700;
    background:linear-gradient(120deg,var(--brand),var(--brand-2));
    border-color:transparent;
    box-shadow:0 0 0 1px rgba(47,224,166,.4),0 8px 22px -12px rgba(47,224,166,.95);
  }
  @media (max-width:1023px){
    .nav-chips{
      order:3;width:100%;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
      mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
    }
    .nav-chips::-webkit-scrollbar{display:none;}
    .nav-chips .chip{padding:8px 13px;font-size:13.5px;}
  }

  .nav-cta{
    flex:0 0 auto;margin-left:auto;
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 18px;min-height:42px;border-radius:999px;
    font-size:14px;font-weight:700;color:#04120d;
    background:linear-gradient(120deg,var(--brand),var(--brand-2));
    box-shadow:0 0 0 1px rgba(47,224,166,.4),0 10px 26px -14px rgba(47,224,166,.95);
    transition:transform var(--t),box-shadow var(--t),filter var(--t);
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow);}
  .nav-cta:active{transform:translateY(0);filter:brightness(.94);}
  @media (max-width:1023px){.nav-cta{padding:9px 14px;font-size:13px;margin-left:auto;}}
  @media (max-width:520px){.nav-cta{padding:8px 12px;font-size:12.5px;min-height:38px;}}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    padding:14px 26px;min-height:50px;border-radius:999px;
    font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
    transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
  }
  .btn-primary{
    color:#04120d;
    background:linear-gradient(120deg,var(--brand),var(--brand-2));
    box-shadow:0 0 0 1px rgba(47,224,166,.45),0 12px 30px -14px rgba(47,224,166,.95);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.93);}
  .btn-ghost{
    color:var(--brand);background:transparent;
    border-color:var(--line-strong);
  }
  .btn-ghost:hover{transform:translateY(-2px);background:rgba(47,224,166,.08);border-color:var(--brand);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-line{
    color:var(--text-1);background:rgba(255,255,255,.04);
    border-color:var(--line);font-weight:600;
  }
  .btn-line:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--brand);}
  .btn:focus-visible,.nav-cta:focus-visible,.chip:focus-visible,a:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);outline-offset:2px;border-radius:999px;
  }
  .arrow-link{
    display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);
    transition:gap var(--t),color var(--t);
  }
  .arrow-link svg{transition:transform var(--t);}
  .arrow-link:hover{gap:12px;color:var(--brand-2);}
  .arrow-link:hover svg{transform:translateX(3px);}

  /* ---------- tags ---------- */
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12px;letter-spacing:.06em;font-weight:600;
    color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  }
  .tag-brand{color:var(--brand);border-color:rgba(47,224,166,.35);background:rgba(47,224,166,.08);}
  .tag-accent{color:var(--accent-2);border-color:rgba(255,198,77,.3);background:rgba(255,138,61,.1);}

  /* ---------- section ---------- */
  .sec{padding:56px 0;}
  @media (min-width:768px){.sec{padding:72px 0;}}
  @media (min-width:1024px){.sec{padding:96px 0;}}
  .sec-tight{padding:48px 0;}
  .sec-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  .sec-head{margin-bottom:32px;max-width:760px;}
  .sec-head .eyebrow{
    display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--brand);
    font-weight:700;margin-bottom:12px;
  }
  .sec-head h2{font-size:clamp(22px,3.4vw,30px);display:flex;align-items:center;gap:12px;}
  .sec-head h2::before{
    content:"";width:4px;height:22px;border-radius:3px;
    background:linear-gradient(180deg,var(--brand),var(--brand-2));flex:0 0 auto;
  }
  .sec-head p{margin-top:12px;font-size:15.5px;color:var(--text-2);}

  /* ---------- breadcrumb ---------- */
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:9px;
    font-size:12.5px;color:var(--text-3);letter-spacing:.04em;
    padding:20px 0 0;
  }
  .crumb a{color:var(--text-3);transition:color var(--t);}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{opacity:.55;}
  .crumb .cur{color:var(--text-2);}

  /* ---------- hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    padding:44px 0 56px;
    border-bottom:1px solid var(--line);
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(560px 320px at 12% 0%,rgba(47,224,166,.16),transparent 68%),
      radial-gradient(520px 320px at 92% 22%,rgba(22,200,216,.12),transparent 70%);
    pointer-events:none;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(120,200,220,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,220,.055) 1px,transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(680px 380px at 35% 10%,#000,transparent 78%);
    -webkit-mask-image:radial-gradient(680px 380px at 35% 10%,#000,transparent 78%);
    pointer-events:none;
  }
  .hero-grid{position:relative;z-index:2;display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:48px;}
  }
  .hero h1{
    font-size:clamp(30px,5vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.01em;
    margin-bottom:16px;
  }
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(100deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero .lede{font-size:16.5px;line-height:1.85;max-width:640px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

  .hero-visual{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-1);
    min-height:280px;
    background:url("/assets/images/backpic/back-1.png") center/cover no-repeat,#0b1018;
  }
  .hero-visual::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,11,18,.15),rgba(7,11,18,.86));
  }
  .hero-visual img{width:100%;height:100%;object-fit:cover;opacity:0;}
  .hero-float{
    position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
    border-radius:16px;padding:16px 18px;
    background:var(--glass);
    border:1px solid rgba(255,255,255,.12);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  }
  .hero-float .hf-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;}
  .hero-float .hf-row + .hf-row{margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.09);}
  .hero-float b{color:var(--text-1);}
  .hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);display:inline-block;margin-right:8px;}
  .corner-badge{
    position:absolute;top:16px;right:16px;z-index:3;
    padding:7px 13px;border-radius:999px;font-size:12px;font-weight:700;
    color:#20130a;background:linear-gradient(120deg,var(--accent),var(--accent-2));
    box-shadow:0 8px 22px -12px rgba(255,138,61,.9);
  }

  /* ---------- card grid ---------- */
  .card-grid{display:grid;gap:20px;grid-template-columns:1fr;}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);gap:22px;}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}

  .card{
    position:relative;display:flex;flex-direction:column;
    background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--shadow-1);overflow:hidden;
    transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  }
  .card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 18px 40px -22px rgba(0,0,0,.95),0 0 0 1px rgba(47,224,166,.22);}
  .card-media{
    position:relative;aspect-ratio:16/9;overflow:hidden;background:#0a111a;
    border-bottom:1px solid var(--line);
  }
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,11,18,.05),rgba(7,11,18,.72));
  }
  .card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
  .card-body h3{font-size:18px;line-height:1.45;transition:color var(--t);}
  .card:hover .card-body h3{color:var(--brand);}
  .card-body p{font-size:14px;line-height:1.75;color:var(--text-2);}
  .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
  .card-index{
    position:absolute;top:14px;left:14px;z-index:2;
    padding:5px 11px;border-radius:9px;font-size:12px;font-weight:800;letter-spacing:.06em;
    color:#20130a;background:linear-gradient(120deg,var(--accent),var(--accent-2));
  }

  /* ---------- steps ---------- */
  .steps{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.steps{grid-template-columns:repeat(5,1fr);gap:16px;}}
  .step{
    position:relative;background:var(--panel);border:1px solid var(--line);
    border-radius:var(--r-md);padding:22px 20px 20px;
    transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  }
  .step:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-1);}
  .step-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:12px;
    font-size:15px;font-weight:800;letter-spacing:.02em;
    color:#20130a;background:linear-gradient(140deg,var(--accent),var(--accent-2));
    box-shadow:0 10px 24px -14px rgba(255,138,61,.95);
    margin-bottom:14px;
  }
  .step h3{font-size:16.5px;margin-bottom:8px;}
  .step p{font-size:13.6px;line-height:1.75;color:var(--text-2);}
  .step-rail{
    height:2px;border-radius:2px;margin:36px 0 0;
    background:linear-gradient(90deg,rgba(47,224,166,.5),rgba(22,200,216,.18),rgba(47,224,166,0));
  }

  /* ---------- table ---------- */
  .table-shell{
    border:1px solid var(--line);border-radius:var(--r-lg);
    background:var(--panel);overflow:hidden;box-shadow:var(--shadow-1);
  }
  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  table.cmp{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px;}
  table.cmp thead th{
    background:linear-gradient(180deg,#101d2c,#0c1622);
    color:var(--text-1);font-weight:700;text-align:left;
    padding:16px 20px;font-size:13.5px;letter-spacing:.08em;
    border-bottom:1px solid var(--line);white-space:nowrap;
  }
  table.cmp tbody td{
    padding:16px 20px;border-bottom:1px solid rgba(120,200,220,.09);
    color:var(--text-2);line-height:1.7;vertical-align:top;
  }
  table.cmp tbody tr:nth-child(odd){background:rgba(255,255,255,.018);}
  table.cmp tbody tr:hover{background:rgba(47,224,166,.05);}
  table.cmp tbody tr:last-child td{border-bottom:none;}
  table.cmp .sym{color:var(--text-1);font-weight:700;}
  table.cmp .lv{
    display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
    font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
  }
  .lv-1{color:var(--brand);background:rgba(47,224,166,.1);border:1px solid rgba(47,224,166,.32);}
  .lv-2{color:var(--accent-2);background:rgba(255,138,61,.11);border:1px solid rgba(255,198,77,.3);}
  .lv-3{color:var(--warn);background:rgba(255,122,107,.1);border:1px solid rgba(255,122,107,.3);}
  .table-note{
    display:flex;flex-wrap:wrap;gap:10px;align-items:center;
    padding:14px 20px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--text-3);background:rgba(255,255,255,.015);
  }

  /* ---------- notice strip ---------- */
  .notice{
    display:grid;gap:0;grid-template-columns:1fr;
    border:1px solid var(--line);border-radius:var(--r-md);
    background:linear-gradient(120deg,rgba(47,224,166,.07),rgba(22,200,216,.03) 60%,transparent);
    overflow:hidden;
  }
  @media (min-width:768px){.notice{grid-template-columns:repeat(3,1fr);}}
  .notice-item{padding:22px 22px;border-bottom:1px solid var(--line);}
  @media (min-width:768px){
    .notice-item{border-bottom:none;border-right:1px solid var(--line);}
    .notice-item:last-child{border-right:none;}
  }
  .notice-item:last-child{border-bottom:none;}
  .notice-item h3{font-size:15.5px;margin-bottom:8px;display:flex;align-items:center;gap:9px;}
  .notice-item h3 svg{color:var(--brand);flex:0 0 auto;}
  .notice-item p{font-size:13.8px;line-height:1.75;}

  /* ---------- faq ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    border:1px solid var(--line);border-radius:14px;background:var(--panel);
    overflow:hidden;transition:border-color var(--t),background var(--t);
  }
  .faq-item[open]{border-color:var(--line-strong);background:#101c2b;}
  .faq-item summary{
    list-style:none;cursor:pointer;position:relative;
    padding:18px 54px 18px 20px;font-size:16px;font-weight:600;color:var(--text-1);
    transition:color var(--t);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{
    content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
    background:linear-gradient(180deg,var(--brand),var(--brand-2));
    opacity:.85;
  }
  .faq-item summary::after{
    content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
    border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
    transform:translateY(-70%) rotate(45deg);
    transition:transform var(--t),border-color var(--t);
  }
  .faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand);}
  .faq-item summary:hover{color:var(--brand);}
  .faq-item .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2);}

  /* ---------- cta ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    border:1px solid var(--line);border-radius:var(--r-lg);
    background:linear-gradient(125deg,rgba(47,224,166,.12),rgba(22,200,216,.06) 45%,rgba(14,23,37,.9));
    padding:36px 26px;
    display:grid;gap:24px;grid-template-columns:1fr;
  }
  @media (min-width:900px){
    .cta-band{grid-template-columns:1.4fr .9fr;align-items:center;padding:48px 44px;gap:40px;}
  }
  .cta-band::before{
    content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(47,224,166,.22),transparent 66%);
    pointer-events:none;
  }
  .cta-band h2{font-size:clamp(21px,3.2vw,29px);margin-bottom:12px;}
  .cta-band p{font-size:15px;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
  .cta-actions .micro{width:100%;font-size:12.5px;color:var(--text-3);}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--bg-0);border-top:1px solid var(--line);
    padding:56px 0 26px;margin-top:0;
  }
  .foot-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}}
  .foot h4{
    font-size:14px;letter-spacing:.14em;color:var(--text-1);margin-bottom:16px;
  }
  .foot p{font-size:13.6px;line-height:1.85;color:var(--text-3);}
  .foot ul{display:flex;flex-direction:column;gap:11px;}
  .foot ul a{
    position:relative;display:inline-block;font-size:13.8px;color:var(--text-2);
    padding-left:0;transition:color var(--t),padding-left var(--t);
  }
  .foot ul a::before{
    content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--brand);
    transform:translateY(-50%);transition:width var(--t);
  }
  .foot ul a:hover{color:var(--brand);padding-left:14px;}
  .foot ul a:hover::before{width:9px;}
  .foot-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12.5px;color:var(--text-3);letter-spacing:.03em;
  }
  .foot .brand{margin-bottom:16px;}

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